./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1911353628

<...>
[pid 10365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10365] write(3, "1000", 4)         = 4
[pid 10365] close(3)                    = 0
[pid 10365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10365] close(5)                    = 0
[pid 10365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10368 attached
) = 10368
[pid 10365] tkill(10368, SIGSTOP)       = 0
[pid 10365] exit_group(0 <unfinished ...>
[pid 10368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10365, si_uid=65534} ---
[pid 10368] --- stopped by SIGSTOP ---
[pid 10365] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10369 attached
 <unfinished ...>
[pid 10369] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 10369
[pid 10369] <... set_robust_list resumed>) = 0
[pid 10369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10369] setpgid(0, 0)               = 0
[pid 10369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  135.220552][T10361] vhci_hcd vhci_hcd.0: port 0 already used
[  135.259836][T10365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10369] write(3, "1000", 4)         = 4
[pid 10369] close(3)                    = 0
[pid 10369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10369] close(5)                    = 0
[pid 10369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10372 attached
) = 10372
[pid 10369] tkill(10372, SIGSTOP)       = 0
[pid 10372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10369, si_uid=65534} ---
[pid 10369] exit_group(0 <unfinished ...>
[pid 10372] --- stopped by SIGSTOP ---
[pid 10369] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10373 attached
, child_tidptr=0x5555574e8650) = 10373
[pid 10373] set_robust_list(0x5555574e8660, 24) = 0
[pid 10373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10373] setpgid(0, 0)               = 0
[pid 10373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10373] write(3, "1000", 4)         = 4
[pid 10373] close(3)                    = 0
[pid 10373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10373] close(5)                    = 0
[pid 10373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10376 attached
) = 10376
[pid 10373] tkill(10376, SIGSTOP)       = 0
[pid 10376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10373, si_uid=65534} ---
[pid 10373] exit_group(0 <unfinished ...>
[pid 10376] --- stopped by SIGSTOP ---
[pid 10373] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10373] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[  135.309617][T10369] vhci_hcd vhci_hcd.0: port 0 already used
[  135.348700][T10373] vhci_hcd vhci_hcd.0: port 0 already used
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10377 attached
, child_tidptr=0x5555574e8650) = 10377
[pid 10377] set_robust_list(0x5555574e8660, 24) = 0
[pid 10377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10377] setpgid(0, 0)               = 0
[pid 10377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10377] write(3, "1000", 4)         = 4
[pid 10377] close(3)                    = 0
[pid 10377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10377] close(5)                    = 0
[pid 10377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10380 attached
) = 10380
[pid 10377] tkill(10380, SIGSTOP)       = 0
[pid 10380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10377, si_uid=65534} ---
[pid 10380] --- stopped by SIGSTOP ---
[pid 10377] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10377] <... exit_group resumed>)   = ?
[pid 10377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10381 attached
, child_tidptr=0x5555574e8650) = 10381
[pid 10381] set_robust_list(0x5555574e8660, 24) = 0
[pid 10381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10381] setpgid(0, 0)               = 0
[pid 10381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10381] write(3, "1000", 4)         = 4
[pid 10381] close(3)                    = 0
[pid 10381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10381] close(5)                    = 0
[pid 10381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10384 attached
) = 10384
[pid 10381] tkill(10384, SIGSTOP)       = 0
[pid 10381] exit_group(0)               = ?
[pid 10384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10381, si_uid=65534} ---
[pid 10384] --- stopped by SIGSTOP ---
[pid 10381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10385 attached
, child_tidptr=0x5555574e8650) = 10385
[pid 10385] set_robust_list(0x5555574e8660, 24) = 0
[pid 10385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10385] setpgid(0, 0)               = 0
[pid 10385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10385] write(3, "1000", 4)         = 4
[pid 10385] close(3)                    = 0
[pid 10385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.419010][T10377] vhci_hcd vhci_hcd.0: port 0 already used
[  135.458014][T10381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10385] close(5)                    = 0
[pid 10385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10388 attached
) = 10388
[pid 10385] tkill(10388, SIGSTOP)       = 0
[pid 10388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10385, si_uid=65534} ---
[pid 10385] exit_group(0 <unfinished ...>
[pid 10388] --- stopped by SIGSTOP ---
[pid 10385] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10385, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10389 attached
 <unfinished ...>
[pid 10389] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 10389
[pid 10389] <... set_robust_list resumed>) = 0
[pid 10389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10389] setpgid(0, 0)               = 0
[pid 10389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10389] write(3, "1000", 4)         = 4
[pid 10389] close(3)                    = 0
[pid 10389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.496583][T10385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10389] close(5)                    = 0
[pid 10389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10392 attached
) = 10392
[pid 10389] tkill(10392, SIGSTOP)       = 0
[pid 10392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10389, si_uid=65534} ---
[pid 10389] exit_group(0 <unfinished ...>
[pid 10392] --- stopped by SIGSTOP ---
[pid 10389] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10393 attached
, child_tidptr=0x5555574e8650) = 10393
[pid 10393] set_robust_list(0x5555574e8660, 24) = 0
[pid 10393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10393] setpgid(0, 0)               = 0
[pid 10393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10393] write(3, "1000", 4)         = 4
[pid 10393] close(3)                    = 0
[pid 10393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.547829][T10389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10393] close(5)                    = 0
[pid 10393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10396 attached
) = 10396
[pid 10393] tkill(10396, SIGSTOP)       = 0
[pid 10396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10393, si_uid=65534} ---
[pid 10393] exit_group(0 <unfinished ...>
[pid 10396] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10393] <... exit_group resumed>)   = ?
[pid 10393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10393, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10397 attached
, child_tidptr=0x5555574e8650) = 10397
[pid 10397] set_robust_list(0x5555574e8660, 24) = 0
[pid 10397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10397] setpgid(0, 0)               = 0
[pid 10397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10397] write(3, "1000", 4)         = 4
[pid 10397] close(3)                    = 0
[pid 10397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.588765][T10393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10397] close(5)                    = 0
[pid 10397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10400 attached
) = 10400
[pid 10397] tkill(10400, SIGSTOP)       = 0
[pid 10400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10397, si_uid=65534} ---
[pid 10397] exit_group(0 <unfinished ...>
[pid 10400] --- stopped by SIGSTOP ---
[pid 10397] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10397, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10401 attached
, child_tidptr=0x5555574e8650) = 10401
[pid 10401] set_robust_list(0x5555574e8660, 24) = 0
[pid 10401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10401] setpgid(0, 0)               = 0
[pid 10401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10401] write(3, "1000", 4)         = 4
[pid 10401] close(3)                    = 0
[pid 10401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.629049][T10397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10401] close(5)                    = 0
[pid 10401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10404 attached
) = 10404
[pid 10401] tkill(10404, SIGSTOP)       = 0
[pid 10401] exit_group(0 <unfinished ...>
[pid 10404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10401, si_uid=65534} ---
[pid 10404] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10401] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 10401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10405 attached
, child_tidptr=0x5555574e8650) = 10405
[pid 10405] set_robust_list(0x5555574e8660, 24) = 0
[pid 10405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10405] setpgid(0, 0)               = 0
[pid 10405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10405] write(3, "1000", 4)         = 4
[pid 10405] close(3)                    = 0
[pid 10405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.679170][T10401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10405] close(5)                    = 0
[pid 10405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10408 attached
) = 10408
[pid 10405] tkill(10408, SIGSTOP)       = 0
[pid 10405] exit_group(0 <unfinished ...>
[pid 10408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10405, si_uid=65534} ---
[pid 10405] <... exit_group resumed>)   = ?
[pid 10408] --- stopped by SIGSTOP ---
[pid 10405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10409 attached
, child_tidptr=0x5555574e8650) = 10409
[pid 10409] set_robust_list(0x5555574e8660, 24) = 0
[pid 10409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10409] setpgid(0, 0)               = 0
[pid 10409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10409] write(3, "1000", 4)         = 4
[pid 10409] close(3)                    = 0
[pid 10409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10409] close(5)                    = 0
[pid 10409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10412 attached
) = 10412
[pid 10409] tkill(10412, SIGSTOP)       = 0
[pid 10412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10409, si_uid=65534} ---
[pid 10409] exit_group(0 <unfinished ...>
[pid 10412] --- stopped by SIGSTOP ---
[pid 10409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10409, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10413 attached
, child_tidptr=0x5555574e8650) = 10413
[pid 10413] set_robust_list(0x5555574e8660, 24) = 0
[pid 10413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10413] setpgid(0, 0)               = 0
[pid 10413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10413] write(3, "1000", 4)         = 4
[pid 10413] close(3)                    = 0
[pid 10413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.719658][T10405] vhci_hcd vhci_hcd.0: port 0 already used
[  135.758531][T10409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10413] close(5)                    = 0
[pid 10413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10416 attached
) = 10416
[pid 10413] tkill(10416, SIGSTOP)       = 0
[pid 10416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10413, si_uid=65534} ---
[pid 10413] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10416] --- stopped by SIGSTOP ---
[pid 10413] <... exit_group resumed>)   = ?
[pid 10413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10417 attached
, child_tidptr=0x5555574e8650) = 10417
[pid 10417] set_robust_list(0x5555574e8660, 24) = 0
[pid 10417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10417] setpgid(0, 0)               = 0
[pid 10417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10417] write(3, "1000", 4)         = 4
[pid 10417] close(3)                    = 0
[pid 10417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.796198][T10413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10417] close(5)                    = 0
[pid 10417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10420 attached
) = 10420
[pid 10417] tkill(10420, SIGSTOP)       = 0
[pid 10420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10417, si_uid=65534} ---
[pid 10420] --- stopped by SIGSTOP ---
[pid 10417] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10417] <... exit_group resumed>)   = ?
[pid 10417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10421 attached
, child_tidptr=0x5555574e8650) = 10421
[pid 10421] set_robust_list(0x5555574e8660, 24) = 0
[pid 10421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10421] setpgid(0, 0)               = 0
[pid 10421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10421] write(3, "1000", 4)         = 4
[pid 10421] close(3)                    = 0
[pid 10421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10421] close(5)                    = 0
[pid 10421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10424 attached
) = 10424
[pid 10421] tkill(10424, SIGSTOP)       = 0
[pid 10421] exit_group(0 <unfinished ...>
[pid 10424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10421, si_uid=65534} ---
[pid 10421] <... exit_group resumed>)   = ?
[pid 10424] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10425 attached
, child_tidptr=0x5555574e8650) = 10425
[pid 10425] set_robust_list(0x5555574e8660, 24) = 0
[pid 10425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10425] setpgid(0, 0)               = 0
[pid 10425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10425] write(3, "1000", 4)         = 4
[pid 10425] close(3)                    = 0
[pid 10425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.855400][T10417] vhci_hcd vhci_hcd.0: port 0 already used
[  135.895532][T10421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10425] close(5)                    = 0
[pid 10425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10428 attached
) = 10428
[pid 10425] tkill(10428, SIGSTOP)       = 0
[pid 10428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10425, si_uid=65534} ---
[pid 10425] exit_group(0 <unfinished ...>
[pid 10428] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10425] <... exit_group resumed>)   = ?
[pid 10425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10425, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10429 attached
, child_tidptr=0x5555574e8650) = 10429
[pid 10429] set_robust_list(0x5555574e8660, 24) = 0
[pid 10429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10429] setpgid(0, 0)               = 0
[pid 10429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10429] write(3, "1000", 4)         = 4
[pid 10429] close(3)                    = 0
[pid 10429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.938721][T10425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10429] close(5)                    = 0
[pid 10429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10432 attached
) = 10432
[pid 10429] tkill(10432, SIGSTOP)       = 0
[pid 10432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10429, si_uid=65534} ---
[pid 10429] exit_group(0 <unfinished ...>
[pid 10432] --- stopped by SIGSTOP ---
[pid 10429] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10429, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10433 attached
, child_tidptr=0x5555574e8650) = 10433
[pid 10433] set_robust_list(0x5555574e8660, 24) = 0
[pid 10433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10433] setpgid(0, 0)               = 0
[pid 10433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10433] write(3, "1000", 4)         = 4
[pid 10433] close(3)                    = 0
[pid 10433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  135.990422][T10429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10433] close(5)                    = 0
[pid 10433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10436 attached
) = 10436
[pid 10433] tkill(10436, SIGSTOP)       = 0
[pid 10436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10433, si_uid=65534} ---
[pid 10433] exit_group(0 <unfinished ...>
[pid 10436] --- stopped by SIGSTOP ---
[pid 10433] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10433] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10433, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10437 attached
, child_tidptr=0x5555574e8650) = 10437
[pid 10437] set_robust_list(0x5555574e8660, 24) = 0
[pid 10437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10437] setpgid(0, 0)               = 0
[pid 10437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10437] write(3, "1000", 4)         = 4
[pid 10437] close(3)                    = 0
[pid 10437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10437] close(5)                    = 0
[pid 10437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10440 attached
) = 10440
[pid 10437] tkill(10440, SIGSTOP)       = 0
[pid 10437] exit_group(0 <unfinished ...>
[pid 10440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10437, si_uid=65534} ---
[pid 10437] <... exit_group resumed>)   = ?
[pid 10440] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10441 attached
, child_tidptr=0x5555574e8650) = 10441
[pid 10441] set_robust_list(0x5555574e8660, 24) = 0
[pid 10441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10441] setpgid(0, 0)               = 0
[pid 10441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10441] write(3, "1000", 4)         = 4
[pid 10441] close(3)                    = 0
[pid 10441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.035607][T10433] vhci_hcd vhci_hcd.0: port 0 already used
[  136.074382][T10437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10441] close(5)                    = 0
[pid 10441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10444 attached
) = 10444
[pid 10441] tkill(10444, SIGSTOP)       = 0
[pid 10441] exit_group(0 <unfinished ...>
[pid 10444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10441, si_uid=65534} ---
[pid 10441] <... exit_group resumed>)   = ?
[pid 10444] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10441, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10445 attached
, child_tidptr=0x5555574e8650) = 10445
[pid 10445] set_robust_list(0x5555574e8660, 24) = 0
[pid 10445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10445] setpgid(0, 0)               = 0
[pid 10445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10445] write(3, "1000", 4)         = 4
[pid 10445] close(3)                    = 0
[pid 10445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10445] close(5)                    = 0
[pid 10445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10448 attached
) = 10448
[pid 10445] tkill(10448, SIGSTOP)       = 0
[pid 10445] exit_group(0)               = ?
[pid 10448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10445, si_uid=65534} ---
[pid 10445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 10448] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10449 attached
, child_tidptr=0x5555574e8650) = 10449
[pid 10449] set_robust_list(0x5555574e8660, 24) = 0
[pid 10449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10449] setpgid(0, 0)               = 0
[pid 10449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10449] write(3, "1000", 4)         = 4
[pid 10449] close(3)                    = 0
[pid 10449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.114362][T10441] vhci_hcd vhci_hcd.0: port 0 already used
[  136.152811][T10445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10449] close(5)                    = 0
[pid 10449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10452 attached
) = 10452
[pid 10449] tkill(10452, SIGSTOP <unfinished ...>
[pid 10452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10449, si_uid=65534} ---
[pid 10449] <... tkill resumed>)        = 0
[pid 10452] --- stopped by SIGSTOP ---
[pid 10449] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10453 attached
, child_tidptr=0x5555574e8650) = 10453
[pid 10453] set_robust_list(0x5555574e8660, 24) = 0
[pid 10453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10453] setpgid(0, 0)               = 0
[pid 10453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10453] write(3, "1000", 4)         = 4
[pid 10453] close(3)                    = 0
[pid 10453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.194068][T10449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10453] close(5)                    = 0
[pid 10453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10456 attached
) = 10456
[pid 10453] tkill(10456, SIGSTOP)       = 0
[pid 10456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10453, si_uid=65534} ---
[pid 10456] --- stopped by SIGSTOP ---
[pid 10453] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10453] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10457 attached
, child_tidptr=0x5555574e8650) = 10457
[pid 10457] set_robust_list(0x5555574e8660, 24) = 0
[pid 10457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10457] setpgid(0, 0)               = 0
[pid 10457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10457] write(3, "1000", 4)         = 4
[pid 10457] close(3)                    = 0
[pid 10457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.236550][T10453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10457] close(5)                    = 0
[pid 10457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10460 attached
) = 10460
[pid 10457] tkill(10460, SIGSTOP)       = 0
[pid 10460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10457, si_uid=65534} ---
[pid 10457] exit_group(0 <unfinished ...>
[pid 10460] --- stopped by SIGSTOP ---
[pid 10457] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10461 attached
, child_tidptr=0x5555574e8650) = 10461
[pid 10461] set_robust_list(0x5555574e8660, 24) = 0
[pid 10461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10461] setpgid(0, 0)               = 0
[pid 10461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10461] write(3, "1000", 4)         = 4
[pid 10461] close(3)                    = 0
[pid 10461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.278639][T10457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10461] close(5)                    = 0
[pid 10461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10464 attached
) = 10464
[pid 10461] tkill(10464, SIGSTOP)       = 0
[pid 10464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10461, si_uid=65534} ---
[pid 10461] exit_group(0 <unfinished ...>
[pid 10464] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10461] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10465 attached
, child_tidptr=0x5555574e8650) = 10465
[pid 10465] set_robust_list(0x5555574e8660, 24) = 0
[pid 10465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10465] setpgid(0, 0)               = 0
[pid 10465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10465] write(3, "1000", 4)         = 4
[pid 10465] close(3)                    = 0
[pid 10465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  136.329648][T10461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10465] close(5)                    = 0
[pid 10465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10468 attached
) = 10468
[pid 10465] tkill(10468, SIGSTOP)       = 0
[pid 10468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10465, si_uid=65534} ---
[pid 10465] exit_group(0 <unfinished ...>
[pid 10468] --- stopped by SIGSTOP ---
[pid 10465] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10465] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10465, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10469 attached
, child_tidptr=0x5555574e8650) = 10469
[pid 10469] set_robust_list(0x5555574e8660, 24) = 0
[pid 10469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10469] setpgid(0, 0)               = 0
[pid 10469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10469] write(3, "1000", 4)         = 4
[pid 10469] close(3)                    = 0
[pid 10469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.392725][T10465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10469] close(5)                    = 0
[pid 10469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10472 attached
) = 10472
[pid 10469] tkill(10472, SIGSTOP)       = 0
[pid 10472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10469, si_uid=65534} ---
[pid 10469] exit_group(0 <unfinished ...>
[pid 10472] --- stopped by SIGSTOP ---
[pid 10469] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10469, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10473 attached
, child_tidptr=0x5555574e8650) = 10473
[pid 10473] set_robust_list(0x5555574e8660, 24) = 0
[pid 10473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10473] setpgid(0, 0)               = 0
[pid 10473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10473] write(3, "1000", 4)         = 4
[pid 10473] close(3)                    = 0
[pid 10473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.434600][T10469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10473] close(5)                    = 0
[pid 10473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10476 attached
) = 10476
[pid 10473] tkill(10476, SIGSTOP)       = 0
[pid 10473] exit_group(0 <unfinished ...>
[pid 10476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10473, si_uid=65534} ---
[pid 10473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10476] --- stopped by SIGSTOP ---
[pid 10473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10473, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10477 attached
, child_tidptr=0x5555574e8650) = 10477
[pid 10477] set_robust_list(0x5555574e8660, 24) = 0
[pid 10477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10477] setpgid(0, 0)               = 0
[pid 10477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10477] write(3, "1000", 4)         = 4
[pid 10477] close(3)                    = 0
[pid 10477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.485492][T10473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10477] close(5)                    = 0
[pid 10477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10480 attached
) = 10480
[pid 10477] tkill(10480, SIGSTOP)       = 0
[pid 10480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10477, si_uid=65534} ---
[pid 10477] exit_group(0 <unfinished ...>
[pid 10480] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10477] <... exit_group resumed>)   = ?
[pid 10477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10481 attached
, child_tidptr=0x5555574e8650) = 10481
[pid 10481] set_robust_list(0x5555574e8660, 24) = 0
[pid 10481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10481] setpgid(0, 0)               = 0
[pid 10481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10481] write(3, "1000", 4)         = 4
[pid 10481] close(3)                    = 0
[pid 10481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10481] close(5)                    = 0
[pid 10481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10484 attached
) = 10484
[pid 10481] tkill(10484, SIGSTOP)       = 0
[pid 10484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10481, si_uid=65534} ---
[pid 10481] exit_group(0 <unfinished ...>
[pid 10484] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10481] <... exit_group resumed>)   = ?
[pid 10481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10485 attached
, child_tidptr=0x5555574e8650) = 10485
[pid 10485] set_robust_list(0x5555574e8660, 24) = 0
[pid 10485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10485] setpgid(0, 0)               = 0
[pid 10485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10485] write(3, "1000", 4)         = 4
[pid 10485] close(3)                    = 0
[  136.527438][T10477] vhci_hcd vhci_hcd.0: port 0 already used
[  136.564807][T10481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10485] close(5)                    = 0
[pid 10485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10488 attached
) = 10488
[pid 10485] tkill(10488, SIGSTOP)       = 0
[pid 10488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10485, si_uid=65534} ---
[pid 10485] exit_group(0 <unfinished ...>
[pid 10488] --- stopped by SIGSTOP ---
[pid 10485] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10489 attached
, child_tidptr=0x5555574e8650) = 10489
[pid 10489] set_robust_list(0x5555574e8660, 24) = 0
[pid 10489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10489] setpgid(0, 0)               = 0
[pid 10489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10489] write(3, "1000", 4)         = 4
[pid 10489] close(3)                    = 0
[pid 10489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.613586][T10485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10489] close(5)                    = 0
[pid 10489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10492 attached
) = 10492
[pid 10489] tkill(10492, SIGSTOP)       = 0
[pid 10489] exit_group(0 <unfinished ...>
[pid 10492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10489, si_uid=65534} ---
[pid 10489] <... exit_group resumed>)   = ?
[pid 10492] --- stopped by SIGSTOP ---
[pid 10489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10493 attached
, child_tidptr=0x5555574e8650) = 10493
[pid 10493] set_robust_list(0x5555574e8660, 24) = 0
[pid 10493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10493] setpgid(0, 0)               = 0
[pid 10493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10493] write(3, "1000", 4)         = 4
[pid 10493] close(3)                    = 0
[pid 10493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10493] close(5)                    = 0
[pid 10493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10496 attached
) = 10496
[pid 10493] tkill(10496, SIGSTOP)       = 0
[pid 10496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10493, si_uid=65534} ---
[pid 10493] exit_group(0 <unfinished ...>
[pid 10496] --- stopped by SIGSTOP ---
[pid 10493] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10497 attached
, child_tidptr=0x5555574e8650) = 10497
[pid 10497] set_robust_list(0x5555574e8660, 24) = 0
[pid 10497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10497] setpgid(0, 0)               = 0
[pid 10497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10497] write(3, "1000", 4)         = 4
[  136.654260][T10489] vhci_hcd vhci_hcd.0: port 0 already used
[  136.692685][T10493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10497] close(3)                    = 0
[pid 10497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10497] close(5)                    = 0
[pid 10497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10500 attached
) = 10500
[pid 10497] tkill(10500, SIGSTOP)       = 0
[pid 10497] exit_group(0)               = ?
[pid 10500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10497, si_uid=65534} ---
[pid 10497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 10500] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10501 attached
, child_tidptr=0x5555574e8650) = 10501
[pid 10501] set_robust_list(0x5555574e8660, 24) = 0
[pid 10501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10501] setpgid(0, 0)               = 0
[pid 10501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10501] write(3, "1000", 4)         = 4
[pid 10501] close(3)                    = 0
[pid 10501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.742456][T10497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10501] close(5)                    = 0
[pid 10501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10504 attached
) = 10504
[pid 10501] tkill(10504, SIGSTOP)       = 0
[pid 10504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10501, si_uid=65534} ---
[pid 10501] exit_group(0 <unfinished ...>
[pid 10504] --- stopped by SIGSTOP ---
[pid 10501] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10505 attached
, child_tidptr=0x5555574e8650) = 10505
[pid 10505] set_robust_list(0x5555574e8660, 24) = 0
[pid 10505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10505] setpgid(0, 0)               = 0
[pid 10505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10505] write(3, "1000", 4)         = 4
[pid 10505] close(3)                    = 0
[pid 10505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.792866][T10501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10505] close(5)                    = 0
[pid 10505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10508 attached
) = 10508
[pid 10505] tkill(10508, SIGSTOP)       = 0
[pid 10508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10505, si_uid=65534} ---
[pid 10505] exit_group(0)               = ?
[pid 10508] --- stopped by SIGSTOP ---
[pid 10505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10509 attached
, child_tidptr=0x5555574e8650) = 10509
[pid 10509] set_robust_list(0x5555574e8660, 24) = 0
[pid 10509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10509] setpgid(0, 0)               = 0
[pid 10509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10509] write(3, "1000", 4)         = 4
[pid 10509] close(3)                    = 0
[pid 10509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10509] close(5)                    = 0
[pid 10509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10512 attached
) = 10512
[pid 10509] tkill(10512, SIGSTOP)       = 0
[pid 10512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10509, si_uid=65534} ---
[pid 10512] --- stopped by SIGSTOP ---
[pid 10509] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10509] <... exit_group resumed>)   = ?
[pid 10509] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10513 attached
, child_tidptr=0x5555574e8650) = 10513
[pid 10513] set_robust_list(0x5555574e8660, 24) = 0
[pid 10513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10513] setpgid(0, 0)               = 0
[pid 10513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10513] write(3, "1000", 4)         = 4
[pid 10513] close(3)                    = 0
[pid 10513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.840396][T10505] vhci_hcd vhci_hcd.0: port 0 already used
[  136.879420][T10509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10513] close(5)                    = 0
[pid 10513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10516 attached
) = 10516
[pid 10513] tkill(10516, SIGSTOP)       = 0
[pid 10516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10513, si_uid=65534} ---
[pid 10513] exit_group(0 <unfinished ...>
[pid 10516] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10513] <... exit_group resumed>)   = ?
[pid 10513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10517 attached
, child_tidptr=0x5555574e8650) = 10517
[pid 10517] set_robust_list(0x5555574e8660, 24) = 0
[pid 10517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10517] setpgid(0, 0)               = 0
[pid 10517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10517] write(3, "1000", 4)         = 4
[pid 10517] close(3)                    = 0
[pid 10517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.918677][T10513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10517] close(5)                    = 0
[pid 10517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10520 attached
) = 10520
[pid 10517] tkill(10520, SIGSTOP)       = 0
[pid 10520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10517, si_uid=65534} ---
[pid 10517] exit_group(0 <unfinished ...>
[pid 10520] --- stopped by SIGSTOP ---
[pid 10517] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10521 attached
, child_tidptr=0x5555574e8650) = 10521
[pid 10521] set_robust_list(0x5555574e8660, 24) = 0
[pid 10521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10521] setpgid(0, 0)               = 0
[pid 10521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10521] write(3, "1000", 4)         = 4
[pid 10521] close(3)                    = 0
[pid 10521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  136.960035][T10517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10521] close(5)                    = 0
[pid 10521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10524 attached
) = 10524
[pid 10521] tkill(10524, SIGSTOP)       = 0
[pid 10521] exit_group(0 <unfinished ...>
[pid 10524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10521, si_uid=65534} ---
[pid 10524] --- stopped by SIGSTOP ---
[pid 10521] <... exit_group resumed>)   = ?
[pid 10521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10525 attached
, child_tidptr=0x5555574e8650) = 10525
[pid 10525] set_robust_list(0x5555574e8660, 24) = 0
[pid 10525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10525] setpgid(0, 0)               = 0
[pid 10525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10525] write(3, "1000", 4)         = 4
[pid 10525] close(3)                    = 0
[pid 10525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.002839][T10521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10525] close(5)                    = 0
[pid 10525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10528 attached
) = 10528
[pid 10525] tkill(10528, SIGSTOP)       = 0
[pid 10528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10525, si_uid=65534} ---
[pid 10525] exit_group(0 <unfinished ...>
[pid 10528] --- stopped by SIGSTOP ---
[pid 10525] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10529 attached
, child_tidptr=0x5555574e8650) = 10529
[pid 10529] set_robust_list(0x5555574e8660, 24) = 0
[pid 10529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10529] setpgid(0, 0)               = 0
[pid 10529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10529] write(3, "1000", 4)         = 4
[pid 10529] close(3)                    = 0
[pid 10529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.044109][T10525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10529] close(5)                    = 0
[pid 10529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10532 attached
) = 10532
[pid 10529] tkill(10532, SIGSTOP)       = 0
[pid 10529] exit_group(0 <unfinished ...>
[pid 10532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10529, si_uid=65534} ---
[pid 10529] <... exit_group resumed>)   = ?
[pid 10532] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10533 attached
 <unfinished ...>
[pid 10533] set_robust_list(0x5555574e8660, 24) = 0
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 10533
[pid 10533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10533] setpgid(0, 0)               = 0
[pid 10533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10533] write(3, "1000", 4)         = 4
[pid 10533] close(3)                    = 0
[pid 10533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.093918][T10529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10533] close(5)                    = 0
[pid 10533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10536 attached
) = 10536
[pid 10533] tkill(10536, SIGSTOP)       = 0
[pid 10536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10533, si_uid=65534} ---
[pid 10533] exit_group(0 <unfinished ...>
[pid 10536] --- stopped by SIGSTOP ---
[pid 10533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10537 attached
, child_tidptr=0x5555574e8650) = 10537
[pid 10537] set_robust_list(0x5555574e8660, 24) = 0
[pid 10537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10537] setpgid(0, 0)               = 0
[pid 10537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10537] write(3, "1000", 4)         = 4
[pid 10537] close(3)                    = 0
[pid 10537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.141088][T10533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10537] close(5)                    = 0
[pid 10537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10540 attached
) = 10540
[pid 10537] tkill(10540, SIGSTOP)       = 0
[pid 10540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10537, si_uid=65534} ---
[pid 10537] exit_group(0 <unfinished ...>
[pid 10540] --- stopped by SIGSTOP ---
[pid 10537] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10537, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10541 attached
, child_tidptr=0x5555574e8650) = 10541
[pid 10541] set_robust_list(0x5555574e8660, 24) = 0
[pid 10541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10541] setpgid(0, 0)               = 0
[pid 10541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10541] write(3, "1000", 4)         = 4
[pid 10541] close(3)                    = 0
[pid 10541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.181707][T10537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10541] close(5)                    = 0
[pid 10541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10544 attached
) = 10544
[pid 10541] tkill(10544, SIGSTOP)       = 0
[pid 10544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10541, si_uid=65534} ---
[pid 10541] exit_group(0 <unfinished ...>
[pid 10544] --- stopped by SIGSTOP ---
[pid 10541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10545 attached
, child_tidptr=0x5555574e8650) = 10545
[pid 10545] set_robust_list(0x5555574e8660, 24) = 0
[pid 10545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10545] setpgid(0, 0)               = 0
[pid 10545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10545] write(3, "1000", 4)         = 4
[pid 10545] close(3)                    = 0
[pid 10545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.223555][T10541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10545] close(5)                    = 0
[pid 10545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10548 attached
) = 10548
[pid 10545] tkill(10548, SIGSTOP)       = 0
[pid 10548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10545, si_uid=65534} ---
[pid 10548] --- stopped by SIGSTOP ---
[pid 10545] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10545] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10545, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10549 attached
, child_tidptr=0x5555574e8650) = 10549
[pid 10549] set_robust_list(0x5555574e8660, 24) = 0
[pid 10549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10549] setpgid(0, 0)               = 0
[pid 10549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10549] write(3, "1000", 4)         = 4
[pid 10549] close(3)                    = 0
[pid 10549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10549] close(5)                    = 0
[pid 10549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10552 attached
) = 10552
[pid 10549] tkill(10552, SIGSTOP)       = 0
[pid 10549] exit_group(0 <unfinished ...>
[pid 10552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10549, si_uid=65534} ---
[pid 10549] <... exit_group resumed>)   = ?
[pid 10552] --- stopped by SIGSTOP ---
[pid 10549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10549, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10553 attached
, child_tidptr=0x5555574e8650) = 10553
[pid 10553] set_robust_list(0x5555574e8660, 24) = 0
[pid 10553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10553] setpgid(0, 0)               = 0
[pid 10553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10553] write(3, "1000", 4)         = 4
[pid 10553] close(3)                    = 0
[pid 10553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.281870][T10545] vhci_hcd vhci_hcd.0: port 0 already used
[  137.321455][T10549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10553] close(5)                    = 0
[pid 10553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10556 attached
) = 10556
[pid 10553] tkill(10556, SIGSTOP)       = 0
[pid 10556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10553, si_uid=65534} ---
[pid 10553] exit_group(0 <unfinished ...>
[pid 10556] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10553] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10557 attached
, child_tidptr=0x5555574e8650) = 10557
[pid 10557] set_robust_list(0x5555574e8660, 24) = 0
[pid 10557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10557] setpgid(0, 0)               = 0
[pid 10557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10557] write(3, "1000", 4)         = 4
[pid 10557] close(3)                    = 0
[pid 10557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.360111][T10553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10557] close(5)                    = 0
[pid 10557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10560 attached
) = 10560
[pid 10557] tkill(10560, SIGSTOP)       = 0
[pid 10557] exit_group(0 <unfinished ...>
[pid 10560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10557, si_uid=65534} ---
[pid 10557] <... exit_group resumed>)   = ?
[pid 10560] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10557] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10561 attached
, child_tidptr=0x5555574e8650) = 10561
[pid 10561] set_robust_list(0x5555574e8660, 24) = 0
[pid 10561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10561] setpgid(0, 0)               = 0
[pid 10561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10561] write(3, "1000", 4)         = 4
[pid 10561] close(3)                    = 0
[pid 10561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.421435][T10557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10561] close(5)                    = 0
[pid 10561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10564 attached
) = 10564
[pid 10561] tkill(10564, SIGSTOP)       = 0
[pid 10564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10561, si_uid=65534} ---
[pid 10564] --- stopped by SIGSTOP ---
[pid 10561] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10565 attached
, child_tidptr=0x5555574e8650) = 10565
[pid 10565] set_robust_list(0x5555574e8660, 24) = 0
[pid 10565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10565] setpgid(0, 0)               = 0
[pid 10565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10565] write(3, "1000", 4)         = 4
[pid 10565] close(3)                    = 0
[pid 10565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.482236][T10561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10565] close(5)                    = 0
[pid 10565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10568 attached
) = 10568
[pid 10565] tkill(10568, SIGSTOP)       = 0
[pid 10565] exit_group(0 <unfinished ...>
[pid 10568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10565, si_uid=65534} ---
[pid 10565] <... exit_group resumed>)   = ?
[pid 10568] --- stopped by SIGSTOP ---
[pid 10565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10569 attached
, child_tidptr=0x5555574e8650) = 10569
[pid 10569] set_robust_list(0x5555574e8660, 24) = 0
[pid 10569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10569] setpgid(0, 0)               = 0
[pid 10569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10569] write(3, "1000", 4)         = 4
[pid 10569] close(3)                    = 0
[pid 10569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10569] close(5)                    = 0
[pid 10569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10572 attached
) = 10572
[pid 10569] tkill(10572, SIGSTOP)       = 0
[pid 10572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10569, si_uid=65534} ---
[pid 10569] exit_group(0 <unfinished ...>
[pid 10572] --- stopped by SIGSTOP ---
[pid 10569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10573 attached
, child_tidptr=0x5555574e8650) = 10573
[pid 10573] set_robust_list(0x5555574e8660, 24) = 0
[pid 10573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10573] setpgid(0, 0)               = 0
[pid 10573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  137.523441][T10565] vhci_hcd vhci_hcd.0: port 0 already used
[  137.562769][T10569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10573] write(3, "1000", 4)         = 4
[pid 10573] close(3)                    = 0
[pid 10573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10573] close(5)                    = 0
[pid 10573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10576 attached
) = 10576
[pid 10573] tkill(10576, SIGSTOP)       = 0
[pid 10576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10573, si_uid=65534} ---
[pid 10573] exit_group(0 <unfinished ...>
[pid 10576] --- stopped by SIGSTOP ---
[pid 10573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10573, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10577 attached
, child_tidptr=0x5555574e8650) = 10577
[pid 10577] set_robust_list(0x5555574e8660, 24) = 0
[pid 10577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10577] setpgid(0, 0)               = 0
[pid 10577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10577] write(3, "1000", 4)         = 4
[pid 10577] close(3)                    = 0
[pid 10577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.611760][T10573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10577] close(5)                    = 0
[pid 10577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10580 attached
) = 10580
[pid 10577] tkill(10580, SIGSTOP)       = 0
[pid 10577] exit_group(0 <unfinished ...>
[pid 10580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10577, si_uid=65534} ---
[pid 10577] <... exit_group resumed>)   = ?
[pid 10580] --- stopped by SIGSTOP ---
[pid 10577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10581 attached
, child_tidptr=0x5555574e8650) = 10581
[pid 10581] set_robust_list(0x5555574e8660, 24) = 0
[pid 10581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10581] setpgid(0, 0)               = 0
[pid 10581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10581] write(3, "1000", 4)         = 4
[pid 10581] close(3)                    = 0
[pid 10581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.654595][T10577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10581] close(5)                    = 0
[pid 10581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10584 attached
) = 10584
[pid 10581] tkill(10584, SIGSTOP)       = 0
[pid 10584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10581, si_uid=65534} ---
[pid 10581] exit_group(0 <unfinished ...>
[pid 10584] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10581] <... exit_group resumed>)   = ?
[pid 10581] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10581, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10585 attached
, child_tidptr=0x5555574e8650) = 10585
[pid 10585] set_robust_list(0x5555574e8660, 24) = 0
[pid 10585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10585] setpgid(0, 0)               = 0
[pid 10585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10585] write(3, "1000", 4)         = 4
[pid 10585] close(3)                    = 0
[pid 10585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.704902][T10581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10585] close(5)                    = 0
[pid 10585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10588 attached
) = 10588
[pid 10585] tkill(10588, SIGSTOP)       = 0
[pid 10588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10585, si_uid=65534} ---
[pid 10585] exit_group(0 <unfinished ...>
[pid 10588] --- stopped by SIGSTOP ---
[pid 10585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10589 attached
, child_tidptr=0x5555574e8650) = 10589
[pid 10589] set_robust_list(0x5555574e8660, 24) = 0
[pid 10589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10589] setpgid(0, 0)               = 0
[pid 10589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10589] write(3, "1000", 4)         = 4
[pid 10589] close(3)                    = 0
[pid 10589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.764943][T10585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10589] close(5)                    = 0
[pid 10589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10592 attached
) = 10592
[pid 10589] tkill(10592, SIGSTOP)       = 0
[pid 10592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10589, si_uid=65534} ---
[pid 10589] exit_group(0 <unfinished ...>
[pid 10592] --- stopped by SIGSTOP ---
[pid 10589] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10589, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10593 attached
, child_tidptr=0x5555574e8650) = 10593
[pid 10593] set_robust_list(0x5555574e8660, 24) = 0
[pid 10593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10593] setpgid(0, 0)               = 0
[pid 10593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10593] write(3, "1000", 4)         = 4
[pid 10593] close(3)                    = 0
[pid 10593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10593] close(5)                    = 0
[pid 10593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10596 attached
) = 10596
[pid 10593] tkill(10596, SIGSTOP)       = 0
[pid 10593] exit_group(0 <unfinished ...>
[pid 10596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10593, si_uid=65534} ---
[pid 10593] <... exit_group resumed>)   = ?
[pid 10596] --- stopped by SIGSTOP ---
[pid 10593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10597 attached
, child_tidptr=0x5555574e8650) = 10597
[pid 10597] set_robust_list(0x5555574e8660, 24) = 0
[pid 10597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10597] setpgid(0, 0)               = 0
[pid 10597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10597] write(3, "1000", 4)         = 4
[pid 10597] close(3)                    = 0
[pid 10597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.808702][T10589] vhci_hcd vhci_hcd.0: port 0 already used
[  137.847543][T10593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10597] close(5)                    = 0
[pid 10597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10600 attached
) = 10600
[pid 10597] tkill(10600, SIGSTOP)       = 0
[pid 10600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10597, si_uid=65534} ---
[pid 10597] exit_group(0 <unfinished ...>
[pid 10600] --- stopped by SIGSTOP ---
[pid 10597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10597, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10601 attached
, child_tidptr=0x5555574e8650) = 10601
[pid 10601] set_robust_list(0x5555574e8660, 24) = 0
[pid 10601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10601] setpgid(0, 0)               = 0
[pid 10601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10601] write(3, "1000", 4)         = 4
[pid 10601] close(3)                    = 0
[pid 10601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.885745][T10597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10601] close(5)                    = 0
[pid 10601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10604 attached
) = 10604
[pid 10601] tkill(10604, SIGSTOP)       = 0
[pid 10604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10601, si_uid=65534} ---
[pid 10601] exit_group(0 <unfinished ...>
[pid 10604] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10601] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10605 attached
, child_tidptr=0x5555574e8650) = 10605
[pid 10605] set_robust_list(0x5555574e8660, 24) = 0
[pid 10605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10605] setpgid(0, 0)               = 0
[pid 10605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10605] write(3, "1000", 4)         = 4
[pid 10605] close(3)                    = 0
[pid 10605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.926409][T10601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10605] close(5)                    = 0
[pid 10605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10608 attached
) = 10608
[pid 10605] tkill(10608, SIGSTOP)       = 0
[pid 10608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10605, si_uid=65534} ---
[pid 10605] exit_group(0 <unfinished ...>
[pid 10608] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10605] <... exit_group resumed>)   = ?
[pid 10605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10605, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10609 attached
, child_tidptr=0x5555574e8650) = 10609
[pid 10609] set_robust_list(0x5555574e8660, 24) = 0
[pid 10609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10609] setpgid(0, 0)               = 0
[pid 10609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10609] write(3, "1000", 4)         = 4
[pid 10609] close(3)                    = 0
[pid 10609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  137.977932][T10605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10609] close(5)                    = 0
[pid 10609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10612 attached
) = 10612
[pid 10609] tkill(10612, SIGSTOP)       = 0
[pid 10612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10609, si_uid=65534} ---
[pid 10612] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10609] exit_group(0)               = ?
[pid 10609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10613 attached
, child_tidptr=0x5555574e8650) = 10613
[pid 10613] set_robust_list(0x5555574e8660, 24) = 0
[pid 10613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10613] setpgid(0, 0)               = 0
[pid 10613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10613] write(3, "1000", 4)         = 4
[pid 10613] close(3)                    = 0
[pid 10613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.019705][T10609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10613] close(5)                    = 0
[pid 10613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10616 attached
) = 10616
[pid 10613] tkill(10616, SIGSTOP)       = 0
[pid 10616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10613, si_uid=65534} ---
[pid 10613] exit_group(0 <unfinished ...>
[pid 10616] --- stopped by SIGSTOP ---
[pid 10613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10617 attached
, child_tidptr=0x5555574e8650) = 10617
[pid 10617] set_robust_list(0x5555574e8660, 24) = 0
[pid 10617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10617] setpgid(0, 0)               = 0
[pid 10617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10617] write(3, "1000", 4)         = 4
[pid 10617] close(3)                    = 0
[pid 10617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.071641][T10613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10617] close(5)                    = 0
[pid 10617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10620 attached
) = 10620
[pid 10617] tkill(10620, SIGSTOP)       = 0
[pid 10620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10617, si_uid=65534} ---
[pid 10620] --- stopped by SIGSTOP ---
[pid 10617] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10617] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10621 attached
, child_tidptr=0x5555574e8650) = 10621
[pid 10621] set_robust_list(0x5555574e8660, 24) = 0
[pid 10621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10621] setpgid(0, 0)               = 0
[pid 10621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10621] write(3, "1000", 4)         = 4
[pid 10621] close(3)                    = 0
[pid 10621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10621] close(5)                    = 0
[pid 10621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10624 attached
) = 10624
[pid 10621] tkill(10624, SIGSTOP)       = 0
[pid 10624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10621, si_uid=65534} ---
[pid 10621] exit_group(0 <unfinished ...>
[pid 10624] --- stopped by SIGSTOP ---
[pid 10621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10625 attached
, child_tidptr=0x5555574e8650) = 10625
[pid 10625] set_robust_list(0x5555574e8660, 24) = 0
[pid 10625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10625] setpgid(0, 0)               = 0
[pid 10625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10625] write(3, "1000", 4)         = 4
[pid 10625] close(3)                    = 0
[pid 10625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.114066][T10617] vhci_hcd vhci_hcd.0: port 0 already used
[  138.153263][T10621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10625] close(5)                    = 0
[pid 10625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10628 attached
) = 10628
[pid 10625] tkill(10628, SIGSTOP)       = 0
[pid 10628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10625, si_uid=65534} ---
[pid 10625] exit_group(0 <unfinished ...>
[pid 10628] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10625] <... exit_group resumed>)   = ?
[pid 10625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10629 attached
, child_tidptr=0x5555574e8650) = 10629
[pid 10629] set_robust_list(0x5555574e8660, 24) = 0
[pid 10629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10629] setpgid(0, 0)               = 0
[pid 10629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10629] write(3, "1000", 4)         = 4
[pid 10629] close(3)                    = 0
[pid 10629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10629] close(5)                    = 0
[pid 10629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10632 attached
) = 10632
[pid 10629] tkill(10632, SIGSTOP)       = 0
[pid 10632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10629, si_uid=65534} ---
[pid 10629] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10632] --- stopped by SIGSTOP ---
[pid 10629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10633 attached
, child_tidptr=0x5555574e8650) = 10633
[pid 10633] set_robust_list(0x5555574e8660, 24) = 0
[pid 10633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10633] setpgid(0, 0)               = 0
[  138.193448][T10625] vhci_hcd vhci_hcd.0: port 0 already used
[  138.233327][T10629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10633] write(3, "1000", 4)         = 4
[pid 10633] close(3)                    = 0
[pid 10633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10633] close(5)                    = 0
[pid 10633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10636 attached
) = 10636
[pid 10633] tkill(10636, SIGSTOP)       = 0
[pid 10633] exit_group(0 <unfinished ...>
[pid 10636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10633, si_uid=65534} ---
[pid 10633] <... exit_group resumed>)   = ?
[pid 10636] --- stopped by SIGSTOP ---
[pid 10633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10637 attached
, child_tidptr=0x5555574e8650) = 10637
[pid 10637] set_robust_list(0x5555574e8660, 24) = 0
[pid 10637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10637] setpgid(0, 0)               = 0
[pid 10637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10637] write(3, "1000", 4)         = 4
[pid 10637] close(3)                    = 0
[pid 10637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.284138][T10633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10637] close(5)                    = 0
[pid 10637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10640 attached
) = 10640
[pid 10637] tkill(10640, SIGSTOP)       = 0
[pid 10640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10637, si_uid=65534} ---
[pid 10637] exit_group(0 <unfinished ...>
[pid 10640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10637] <... exit_group resumed>)   = ?
[pid 10637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10637, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10641 attached
, child_tidptr=0x5555574e8650) = 10641
[pid 10641] set_robust_list(0x5555574e8660, 24) = 0
[pid 10641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10641] setpgid(0, 0)               = 0
[pid 10641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10641] write(3, "1000", 4)         = 4
[pid 10641] close(3)                    = 0
[pid 10641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10641] close(5)                    = 0
[pid 10641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10644 attached
) = 10644
[pid 10641] tkill(10644, SIGSTOP)       = 0
[pid 10644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10641, si_uid=65534} ---
[pid 10641] exit_group(0 <unfinished ...>
[pid 10644] --- stopped by SIGSTOP ---
[pid 10641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10641] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10641, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10645 attached
, child_tidptr=0x5555574e8650) = 10645
[pid 10645] set_robust_list(0x5555574e8660, 24) = 0
[  138.333225][T10637] vhci_hcd vhci_hcd.0: port 0 already used
[  138.371061][T10641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10645] setpgid(0, 0)               = 0
[pid 10645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10645] write(3, "1000", 4)         = 4
[pid 10645] close(3)                    = 0
[pid 10645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10645] close(5)                    = 0
[pid 10645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10648 attached
) = 10648
[pid 10645] tkill(10648, SIGSTOP)       = 0
[pid 10648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10645, si_uid=65534} ---
[pid 10645] exit_group(0 <unfinished ...>
[pid 10648] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10645] <... exit_group resumed>)   = ?
[pid 10645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10649 attached
, child_tidptr=0x5555574e8650) = 10649
[pid 10649] set_robust_list(0x5555574e8660, 24) = 0
[pid 10649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10649] setpgid(0, 0)               = 0
[pid 10649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10649] write(3, "1000", 4)         = 4
[pid 10649] close(3)                    = 0
[pid 10649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.432981][T10645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10649] close(5)                    = 0
[pid 10649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10652 attached
) = 10652
[pid 10649] tkill(10652, SIGSTOP)       = 0
[pid 10652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10649, si_uid=65534} ---
[pid 10649] exit_group(0 <unfinished ...>
[pid 10652] --- stopped by SIGSTOP ---
[pid 10649] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10653 attached
, child_tidptr=0x5555574e8650) = 10653
[pid 10653] set_robust_list(0x5555574e8660, 24) = 0
[pid 10653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10653] setpgid(0, 0)               = 0
[pid 10653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10653] write(3, "1000", 4)         = 4
[pid 10653] close(3)                    = 0
[pid 10653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.493595][T10649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10653] close(5)                    = 0
[pid 10653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10656 attached
) = 10656
[pid 10653] tkill(10656, SIGSTOP)       = 0
[pid 10653] exit_group(0 <unfinished ...>
[pid 10656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10653, si_uid=65534} ---
[pid 10653] <... exit_group resumed>)   = ?
[pid 10656] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10657 attached
, child_tidptr=0x5555574e8650) = 10657
[pid 10657] set_robust_list(0x5555574e8660, 24) = 0
[pid 10657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10657] setpgid(0, 0)               = 0
[pid 10657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10657] write(3, "1000", 4)         = 4
[pid 10657] close(3)                    = 0
[pid 10657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.537355][T10653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10657] close(5)                    = 0
[pid 10657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10660 attached
) = 10660
[pid 10657] tkill(10660, SIGSTOP)       = 0
[pid 10660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10657, si_uid=65534} ---
[pid 10657] exit_group(0 <unfinished ...>
[pid 10660] --- stopped by SIGSTOP ---
[pid 10657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10661 attached
, child_tidptr=0x5555574e8650) = 10661
[pid 10661] set_robust_list(0x5555574e8660, 24) = 0
[pid 10661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10661] setpgid(0, 0)               = 0
[pid 10661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10661] write(3, "1000", 4)         = 4
[pid 10661] close(3)                    = 0
[pid 10661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.586259][T10657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10661] close(5)                    = 0
[pid 10661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10664 attached
) = 10664
[pid 10661] tkill(10664, SIGSTOP)       = 0
[pid 10664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10661, si_uid=65534} ---
[pid 10661] exit_group(0 <unfinished ...>
[pid 10664] --- stopped by SIGSTOP ---
[pid 10661] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10661, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10665 attached
, child_tidptr=0x5555574e8650) = 10665
[pid 10665] set_robust_list(0x5555574e8660, 24) = 0
[pid 10665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10665] setpgid(0, 0)               = 0
[pid 10665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10665] write(3, "1000", 4)         = 4
[pid 10665] close(3)                    = 0
[pid 10665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.638439][T10661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10665] close(5)                    = 0
[pid 10665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10668 attached
) = 10668
[pid 10665] tkill(10668, SIGSTOP)       = 0
[pid 10668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10665, si_uid=65534} ---
[pid 10668] --- stopped by SIGSTOP ---
[pid 10665] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10665] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10669 attached
, child_tidptr=0x5555574e8650) = 10669
[pid 10669] set_robust_list(0x5555574e8660, 24) = 0
[pid 10669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10669] setpgid(0, 0)               = 0
[pid 10669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10669] write(3, "1000", 4)         = 4
[pid 10669] close(3)                    = 0
[pid 10669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10669] close(5)                    = 0
[pid 10669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10672 attached
) = 10672
[pid 10669] tkill(10672, SIGSTOP)       = 0
[pid 10672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10669, si_uid=65534} ---
[pid 10669] exit_group(0 <unfinished ...>
[pid 10672] --- stopped by SIGSTOP ---
[pid 10669] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10669, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10673 attached
, child_tidptr=0x5555574e8650) = 10673
[pid 10673] set_robust_list(0x5555574e8660, 24) = 0
[pid 10673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  138.679578][T10665] vhci_hcd vhci_hcd.0: port 0 already used
[  138.717245][T10669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10673] setpgid(0, 0)               = 0
[pid 10673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10673] write(3, "1000", 4)         = 4
[pid 10673] close(3)                    = 0
[pid 10673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10673] close(5)                    = 0
[pid 10673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10676 attached
) = 10676
[pid 10673] tkill(10676, SIGSTOP)       = 0
[pid 10676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10673, si_uid=65534} ---
[pid 10676] --- stopped by SIGSTOP ---
[pid 10673] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10673] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10677 attached
 <unfinished ...>
[pid 10677] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 10677
[pid 10677] <... set_robust_list resumed>) = 0
[pid 10677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10677] setpgid(0, 0)               = 0
[pid 10677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10677] write(3, "1000", 4)         = 4
[pid 10677] close(3)                    = 0
[pid 10677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.772700][T10673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10677] close(5)                    = 0
[pid 10677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10680 attached
) = 10680
[pid 10677] tkill(10680, SIGSTOP)       = 0
[pid 10680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10677, si_uid=65534} ---
[pid 10680] --- stopped by SIGSTOP ---
[pid 10677] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10677] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10677, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10681 attached
, child_tidptr=0x5555574e8650) = 10681
[pid 10681] set_robust_list(0x5555574e8660, 24) = 0
[pid 10681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10681] setpgid(0, 0)               = 0
[pid 10681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10681] write(3, "1000", 4)         = 4
[pid 10681] close(3)                    = 0
[pid 10681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.818454][T10677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10681] close(5)                    = 0
[pid 10681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10684 attached
) = 10684
[pid 10681] tkill(10684, SIGSTOP)       = 0
[pid 10684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10681, si_uid=65534} ---
[pid 10681] exit_group(0 <unfinished ...>
[pid 10684] --- stopped by SIGSTOP ---
[pid 10681] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10681] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10685 attached
, child_tidptr=0x5555574e8650) = 10685
[pid 10685] set_robust_list(0x5555574e8660, 24) = 0
[pid 10685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10685] setpgid(0, 0)               = 0
[pid 10685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10685] write(3, "1000", 4)         = 4
[pid 10685] close(3)                    = 0
[pid 10685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.869796][T10681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10685] close(5)                    = 0
[pid 10685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10688 attached
) = 10688
[pid 10685] tkill(10688, SIGSTOP)       = 0
[pid 10688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10685, si_uid=65534} ---
[pid 10685] exit_group(0 <unfinished ...>
[pid 10688] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10685] <... exit_group resumed>)   = ?
[pid 10685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10685, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10689 attached
, child_tidptr=0x5555574e8650) = 10689
[pid 10689] set_robust_list(0x5555574e8660, 24) = 0
[pid 10689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10689] setpgid(0, 0)               = 0
[pid 10689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10689] write(3, "1000", 4)         = 4
[pid 10689] close(3)                    = 0
[pid 10689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.911706][T10685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10689] close(5)                    = 0
[pid 10689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10692 attached
) = 10692
[pid 10689] tkill(10692, SIGSTOP)       = 0
[pid 10692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10689, si_uid=65534} ---
[pid 10689] exit_group(0 <unfinished ...>
[pid 10692] --- stopped by SIGSTOP ---
[pid 10689] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10689, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10693 attached
, child_tidptr=0x5555574e8650) = 10693
[pid 10693] set_robust_list(0x5555574e8660, 24) = 0
[pid 10693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10693] setpgid(0, 0)               = 0
[pid 10693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10693] write(3, "1000", 4)         = 4
[pid 10693] close(3)                    = 0
[pid 10693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  138.962630][T10689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10693] close(5)                    = 0
[pid 10693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10696 attached
) = 10696
[pid 10693] tkill(10696, SIGSTOP)       = 0
[pid 10696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10693, si_uid=65534} ---
[pid 10693] exit_group(0 <unfinished ...>
[pid 10696] --- stopped by SIGSTOP ---
[pid 10693] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10697 attached
, child_tidptr=0x5555574e8650) = 10697
[pid 10697] set_robust_list(0x5555574e8660, 24) = 0
[pid 10697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10697] setpgid(0, 0)               = 0
[pid 10697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10697] write(3, "1000", 4)         = 4
[pid 10697] close(3)                    = 0
[pid 10697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.009051][T10693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10697] close(5)                    = 0
[pid 10697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10700 attached
) = 10700
[pid 10697] tkill(10700, SIGSTOP)       = 0
[pid 10697] exit_group(0 <unfinished ...>
[pid 10700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10697, si_uid=65534} ---
[pid 10697] <... exit_group resumed>)   = ?
[pid 10700] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10701 attached
, child_tidptr=0x5555574e8650) = 10701
[pid 10701] set_robust_list(0x5555574e8660, 24) = 0
[pid 10701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10701] setpgid(0, 0)               = 0
[pid 10701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10701] write(3, "1000", 4)         = 4
[pid 10701] close(3)                    = 0
[pid 10701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10701] close(5)                    = 0
[pid 10701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10704 attached
) = 10704
[pid 10701] tkill(10704, SIGSTOP)       = 0
[pid 10704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10701, si_uid=65534} ---
[pid 10701] exit_group(0 <unfinished ...>
[pid 10704] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10701] <... exit_group resumed>)   = ?
[pid 10701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10705 attached
, child_tidptr=0x5555574e8650) = 10705
[pid 10705] set_robust_list(0x5555574e8660, 24) = 0
[pid 10705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10705] setpgid(0, 0)               = 0
[pid 10705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10705] write(3, "1000", 4)         = 4
[pid 10705] close(3)                    = 0
[pid 10705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  139.060221][T10697] vhci_hcd vhci_hcd.0: port 0 already used
[  139.097945][T10701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10705] close(5)                    = 0
[pid 10705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10708 attached
) = 10708
[pid 10705] tkill(10708, SIGSTOP)       = 0
[pid 10708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10705, si_uid=65534} ---
[pid 10708] --- stopped by SIGSTOP ---
[pid 10705] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10705, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10709 attached
, child_tidptr=0x5555574e8650) = 10709
[pid 10709] set_robust_list(0x5555574e8660, 24) = 0
[pid 10709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10709] setpgid(0, 0)               = 0
[pid 10709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10709] write(3, "1000", 4)         = 4
[pid 10709] close(3)                    = 0
[pid 10709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.144984][T10705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10709] close(5)                    = 0
[pid 10709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10712 attached
) = 10712
[pid 10709] tkill(10712, SIGSTOP)       = 0
[pid 10712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10709, si_uid=65534} ---
[pid 10709] exit_group(0 <unfinished ...>
[pid 10712] --- stopped by SIGSTOP ---
[pid 10709] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10709, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10713 attached
, child_tidptr=0x5555574e8650) = 10713
[pid 10713] set_robust_list(0x5555574e8660, 24) = 0
[pid 10713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10713] setpgid(0, 0)               = 0
[pid 10713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10713] write(3, "1000", 4)         = 4
[pid 10713] close(3)                    = 0
[pid 10713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.186531][T10709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10713] close(5)                    = 0
[pid 10713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10716 attached
) = 10716
[pid 10713] tkill(10716, SIGSTOP)       = 0
[pid 10716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10713, si_uid=65534} ---
[pid 10713] exit_group(0 <unfinished ...>
[pid 10716] --- stopped by SIGSTOP ---
[pid 10713] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10713, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10717 attached
, child_tidptr=0x5555574e8650) = 10717
[pid 10717] set_robust_list(0x5555574e8660, 24) = 0
[pid 10717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10717] setpgid(0, 0)               = 0
[pid 10717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10717] write(3, "1000", 4)         = 4
[pid 10717] close(3)                    = 0
[pid 10717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.235996][T10713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10717] close(5)                    = 0
[pid 10717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10720 attached
) = 10720
[pid 10717] tkill(10720, SIGSTOP)       = 0
[pid 10720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10717, si_uid=65534} ---
[pid 10717] exit_group(0)               = ?
[pid 10720] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10721 attached
, child_tidptr=0x5555574e8650) = 10721
[pid 10721] set_robust_list(0x5555574e8660, 24) = 0
[pid 10721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10721] setpgid(0, 0)               = 0
[pid 10721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10721] write(3, "1000", 4)         = 4
[pid 10721] close(3)                    = 0
[pid 10721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.287964][T10717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10721] close(5)                    = 0
[pid 10721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10724 attached
) = 10724
[pid 10721] tkill(10724, SIGSTOP)       = 0
[pid 10724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10721, si_uid=65534} ---
[pid 10721] exit_group(0 <unfinished ...>
[pid 10724] --- stopped by SIGSTOP ---
[pid 10721] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10721] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10721, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10725 attached
, child_tidptr=0x5555574e8650) = 10725
[pid 10725] set_robust_list(0x5555574e8660, 24) = 0
[pid 10725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10725] setpgid(0, 0)               = 0
[pid 10725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10725] write(3, "1000", 4)         = 4
[pid 10725] close(3)                    = 0
[pid 10725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.329196][T10721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10725] close(5)                    = 0
[pid 10725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10728 attached
) = 10728
[pid 10725] tkill(10728, SIGSTOP)       = 0
[pid 10725] exit_group(0)               = ?
[pid 10728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10725, si_uid=65534} ---
[pid 10728] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10725] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10729 attached
, child_tidptr=0x5555574e8650) = 10729
[pid 10729] set_robust_list(0x5555574e8660, 24) = 0
[pid 10729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10729] setpgid(0, 0)               = 0
[pid 10729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10729] write(3, "1000", 4)         = 4
[pid 10729] close(3)                    = 0
[pid 10729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.387683][T10725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10729] close(5)                    = 0
[pid 10729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10732 attached
) = 10732
[pid 10729] tkill(10732, SIGSTOP)       = 0
[pid 10729] exit_group(0 <unfinished ...>
[pid 10732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10729, si_uid=65534} ---
[pid 10729] <... exit_group resumed>)   = ?
[pid 10732] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10729] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10729, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10733 attached
, child_tidptr=0x5555574e8650) = 10733
[pid 10733] set_robust_list(0x5555574e8660, 24) = 0
[pid 10733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10733] setpgid(0, 0)               = 0
[pid 10733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10733] write(3, "1000", 4)         = 4
[pid 10733] close(3)                    = 0
[pid 10733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.437030][T10729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10733] close(5)                    = 0
[pid 10733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10736 attached
) = 10736
[pid 10733] tkill(10736, SIGSTOP)       = 0
[pid 10736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10733, si_uid=65534} ---
[pid 10733] exit_group(0 <unfinished ...>
[pid 10736] --- stopped by SIGSTOP ---
[pid 10733] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10733, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10737 attached
, child_tidptr=0x5555574e8650) = 10737
[pid 10737] set_robust_list(0x5555574e8660, 24) = 0
[pid 10737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10737] setpgid(0, 0)               = 0
[pid 10737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10737] write(3, "1000", 4)         = 4
[pid 10737] close(3)                    = 0
[pid 10737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.486119][T10733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10737] close(5)                    = 0
[pid 10737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10740 attached
) = 10740
[pid 10737] tkill(10740, SIGSTOP)       = 0
[pid 10737] exit_group(0 <unfinished ...>
[pid 10740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10737, si_uid=65534} ---
[pid 10737] <... exit_group resumed>)   = ?
[pid 10740] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10741 attached
, child_tidptr=0x5555574e8650) = 10741
[pid 10741] set_robust_list(0x5555574e8660, 24) = 0
[pid 10741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10741] setpgid(0, 0)               = 0
[pid 10741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10741] write(3, "1000", 4)         = 4
[pid 10741] close(3)                    = 0
[pid 10741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10741] close(5)                    = 0
[pid 10741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10744 attached
) = 10744
[pid 10741] tkill(10744, SIGSTOP)       = 0
[pid 10741] exit_group(0 <unfinished ...>
[pid 10744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10741, si_uid=65534} ---
[pid 10741] <... exit_group resumed>)   = ?
[pid 10744] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10745 attached
, child_tidptr=0x5555574e8650) = 10745
[pid 10745] set_robust_list(0x5555574e8660, 24) = 0
[pid 10745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10745] setpgid(0, 0)               = 0
[pid 10745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10745] write(3, "1000", 4)         = 4
[pid 10745] close(3)                    = 0
[pid 10745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.547588][T10737] vhci_hcd vhci_hcd.0: port 0 already used
[  139.586227][T10741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10745] close(5)                    = 0
[pid 10745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10748 attached
) = 10748
[pid 10745] tkill(10748, SIGSTOP)       = 0
[pid 10748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10745, si_uid=65534} ---
[pid 10745] exit_group(0 <unfinished ...>
[pid 10748] --- stopped by SIGSTOP ---
[pid 10745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10745] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10749 attached
, child_tidptr=0x5555574e8650) = 10749
[pid 10749] set_robust_list(0x5555574e8660, 24) = 0
[pid 10749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10749] setpgid(0, 0)               = 0
[pid 10749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10749] write(3, "1000", 4)         = 4
[pid 10749] close(3)                    = 0
[pid 10749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.628497][T10745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10749] close(5)                    = 0
[pid 10749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10752 attached
) = 10752
[pid 10749] tkill(10752, SIGSTOP)       = 0
[pid 10749] exit_group(0 <unfinished ...>
[pid 10752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10749, si_uid=65534} ---
[pid 10749] <... exit_group resumed>)   = ?
[pid 10752] --- stopped by SIGSTOP ---
[pid 10749] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10753 attached
, child_tidptr=0x5555574e8650) = 10753
[pid 10753] set_robust_list(0x5555574e8660, 24) = 0
[pid 10753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10753] setpgid(0, 0)               = 0
[pid 10753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10753] write(3, "1000", 4)         = 4
[pid 10753] close(3)                    = 0
[pid 10753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10753] close(5)                    = 0
[pid 10753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10756 attached
) = 10756
[pid 10753] tkill(10756, SIGSTOP <unfinished ...>
[pid 10756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10753, si_uid=65534} ---
[pid 10753] <... tkill resumed>)        = 0
[pid 10756] --- stopped by SIGSTOP ---
[pid 10753] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10753] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10757 attached
, child_tidptr=0x5555574e8650) = 10757
[pid 10757] set_robust_list(0x5555574e8660, 24) = 0
[pid 10757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10757] setpgid(0, 0)               = 0
[pid 10757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10757] write(3, "1000", 4)         = 4
[pid 10757] close(3)                    = 0
[pid 10757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.680726][T10749] vhci_hcd vhci_hcd.0: port 0 already used
[  139.719033][T10753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10757] close(5)                    = 0
[pid 10757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10760 attached
) = 10760
[pid 10757] tkill(10760, SIGSTOP)       = 0
[pid 10760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10757, si_uid=65534} ---
[pid 10757] exit_group(0 <unfinished ...>
[pid 10760] --- stopped by SIGSTOP ---
[pid 10757] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10761 attached
, child_tidptr=0x5555574e8650) = 10761
[pid 10761] set_robust_list(0x5555574e8660, 24) = 0
[pid 10761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10761] setpgid(0, 0)               = 0
[pid 10761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10761] write(3, "1000", 4)         = 4
[pid 10761] close(3)                    = 0
[pid 10761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10761] close(5)                    = 0
[pid 10761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10764 attached
) = 10764
[pid 10761] tkill(10764, SIGSTOP)       = 0
[pid 10761] exit_group(0 <unfinished ...>
[pid 10764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10761, si_uid=65534} ---
[pid 10761] <... exit_group resumed>)   = ?
[pid 10764] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10761] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10765 attached
, child_tidptr=0x5555574e8650) = 10765
[pid 10765] set_robust_list(0x5555574e8660, 24) = 0
[pid 10765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10765] setpgid(0, 0)               = 0
[pid 10765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10765] write(3, "1000", 4)         = 4
[pid 10765] close(3)                    = 0
[  139.756794][T10757] vhci_hcd vhci_hcd.0: port 0 already used
[  139.794316][T10761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10765] close(5)                    = 0
[pid 10765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10768 attached
) = 10768
[pid 10765] tkill(10768, SIGSTOP)       = 0
[pid 10768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10765, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10768] --- stopped by SIGSTOP ---
[pid 10765] exit_group(0)               = ?
[pid 10765] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10769 attached
, child_tidptr=0x5555574e8650) = 10769
[pid 10769] set_robust_list(0x5555574e8660, 24) = 0
[pid 10769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10769] setpgid(0, 0)               = 0
[pid 10769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10769] write(3, "1000", 4)         = 4
[pid 10769] close(3)                    = 0
[pid 10769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10769] close(5)                    = 0
[pid 10769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10772 attached
) = 10772
[pid 10769] tkill(10772, SIGSTOP)       = 0
[pid 10772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10769, si_uid=65534} ---
[pid 10769] exit_group(0 <unfinished ...>
[pid 10772] --- stopped by SIGSTOP ---
[pid 10769] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10769] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10773 attached
, child_tidptr=0x5555574e8650) = 10773
[pid 10773] set_robust_list(0x5555574e8660, 24) = 0
[pid 10773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10773] setpgid(0, 0)               = 0
[pid 10773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10773] write(3, "1000", 4)         = 4
[pid 10773] close(3)                    = 0
[pid 10773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.844292][T10765] vhci_hcd vhci_hcd.0: port 0 already used
[  139.883474][T10769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10773] close(5)                    = 0
[pid 10773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10776 attached
) = 10776
[pid 10773] tkill(10776, SIGSTOP)       = 0
[pid 10773] exit_group(0 <unfinished ...>
[pid 10776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10773, si_uid=65534} ---
[pid 10773] <... exit_group resumed>)   = ?
[pid 10776] --- stopped by SIGSTOP ---
[pid 10773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10777 attached
, child_tidptr=0x5555574e8650) = 10777
[pid 10777] set_robust_list(0x5555574e8660, 24) = 0
[pid 10777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10777] setpgid(0, 0)               = 0
[pid 10777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10777] write(3, "1000", 4)         = 4
[pid 10777] close(3)                    = 0
[pid 10777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.925145][T10773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10777] close(5)                    = 0
[pid 10777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10780 attached
) = 10780
[pid 10777] tkill(10780, SIGSTOP)       = 0
[pid 10780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10777, si_uid=65534} ---
[pid 10780] --- stopped by SIGSTOP ---
[pid 10777] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10777, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10781 attached
, child_tidptr=0x5555574e8650) = 10781
[pid 10781] set_robust_list(0x5555574e8660, 24) = 0
[pid 10781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10781] setpgid(0, 0)               = 0
[pid 10781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10781] write(3, "1000", 4)         = 4
[pid 10781] close(3)                    = 0
[pid 10781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  139.966772][T10777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10781] close(5)                    = 0
[pid 10781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10784 attached
) = 10784
[pid 10781] tkill(10784, SIGSTOP)       = 0
[pid 10784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10781, si_uid=65534} ---
[pid 10781] exit_group(0)               = ?
[pid 10784] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10785 attached
, child_tidptr=0x5555574e8650) = 10785
[pid 10785] set_robust_list(0x5555574e8660, 24) = 0
[pid 10785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10785] setpgid(0, 0)               = 0
[pid 10785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10785] write(3, "1000", 4)         = 4
[pid 10785] close(3)                    = 0
[pid 10785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.007838][T10781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10785] close(5)                    = 0
[pid 10785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10788 attached
) = 10788
[pid 10785] tkill(10788, SIGSTOP)       = 0
[pid 10788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10785, si_uid=65534} ---
[pid 10785] exit_group(0 <unfinished ...>
[pid 10788] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10785] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10789 attached
, child_tidptr=0x5555574e8650) = 10789
[pid 10789] set_robust_list(0x5555574e8660, 24) = 0
[pid 10789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10789] setpgid(0, 0)               = 0
[pid 10789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10789] write(3, "1000", 4)         = 4
[pid 10789] close(3)                    = 0
[pid 10789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10789] close(5)                    = 0
[pid 10789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10792 attached
) = 10792
[pid 10789] tkill(10792, SIGSTOP)       = 0
[pid 10792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10789, si_uid=65534} ---
[pid 10789] exit_group(0 <unfinished ...>
[pid 10792] --- stopped by SIGSTOP ---
[pid 10789] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[  140.050426][T10785] vhci_hcd vhci_hcd.0: port 0 already used
[  140.088761][T10789] vhci_hcd vhci_hcd.0: port 0 already used
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10793 attached
, child_tidptr=0x5555574e8650) = 10793
[pid 10793] set_robust_list(0x5555574e8660, 24) = 0
[pid 10793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10793] setpgid(0, 0)               = 0
[pid 10793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10793] write(3, "1000", 4)         = 4
[pid 10793] close(3)                    = 0
[pid 10793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10793] close(5)                    = 0
[pid 10793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10796 attached
) = 10796
[pid 10793] tkill(10796, SIGSTOP)       = 0
[pid 10796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10793, si_uid=65534} ---
[pid 10796] --- stopped by SIGSTOP ---
[pid 10793] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10793] <... exit_group resumed>)   = ?
[pid 10793] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10793, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10797 attached
, child_tidptr=0x5555574e8650) = 10797
[pid 10797] set_robust_list(0x5555574e8660, 24) = 0
[pid 10797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10797] setpgid(0, 0)               = 0
[pid 10797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10797] write(3, "1000", 4)         = 4
[pid 10797] close(3)                    = 0
[pid 10797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.159055][T10793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10797] close(5)                    = 0
[pid 10797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10800 attached
) = 10800
[pid 10797] tkill(10800, SIGSTOP)       = 0
[pid 10800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10797, si_uid=65534} ---
[pid 10797] exit_group(0 <unfinished ...>
[pid 10800] --- stopped by SIGSTOP ---
[pid 10797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10801 attached
, child_tidptr=0x5555574e8650) = 10801
[pid 10801] set_robust_list(0x5555574e8660, 24) = 0
[pid 10801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10801] setpgid(0, 0)               = 0
[pid 10801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10801] write(3, "1000", 4)         = 4
[pid 10801] close(3)                    = 0
[pid 10801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  140.210733][T10797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10801] close(5)                    = 0
[pid 10801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10804 attached
) = 10804
[pid 10801] tkill(10804, SIGSTOP)       = 0
[pid 10804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10801, si_uid=65534} ---
[pid 10801] exit_group(0)               = ?
[pid 10804] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10801, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10805 attached
, child_tidptr=0x5555574e8650) = 10805
[pid 10805] set_robust_list(0x5555574e8660, 24) = 0
[pid 10805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10805] setpgid(0, 0)               = 0
[pid 10805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10805] write(3, "1000", 4)         = 4
[pid 10805] close(3)                    = 0
[pid 10805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.275683][T10801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10805] close(5)                    = 0
[pid 10805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10808 attached
) = 10808
[pid 10805] tkill(10808, SIGSTOP)       = 0
[pid 10808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10805, si_uid=65534} ---
[pid 10805] exit_group(0 <unfinished ...>
[pid 10808] --- stopped by SIGSTOP ---
[pid 10805] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10809 attached
, child_tidptr=0x5555574e8650) = 10809
[pid 10809] set_robust_list(0x5555574e8660, 24) = 0
[pid 10809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10809] setpgid(0, 0)               = 0
[pid 10809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10809] write(3, "1000", 4)         = 4
[pid 10809] close(3)                    = 0
[pid 10809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.328347][T10805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10809] close(5)                    = 0
[pid 10809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10812 attached
) = 10812
[pid 10809] tkill(10812, SIGSTOP)       = 0
[pid 10812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10809, si_uid=65534} ---
[pid 10809] exit_group(0 <unfinished ...>
[pid 10812] --- stopped by SIGSTOP ---
[pid 10809] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10809] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10809, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10813 attached
, child_tidptr=0x5555574e8650) = 10813
[pid 10813] set_robust_list(0x5555574e8660, 24) = 0
[pid 10813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10813] setpgid(0, 0)               = 0
[pid 10813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10813] write(3, "1000", 4)         = 4
[pid 10813] close(3)                    = 0
[pid 10813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10813] close(5)                    = 0
[pid 10813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10816 attached
) = 10816
[pid 10813] tkill(10816, SIGSTOP)       = 0
[pid 10816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10813, si_uid=65534} ---
[pid 10813] exit_group(0 <unfinished ...>
[pid 10816] --- stopped by SIGSTOP ---
[pid 10813] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10817 attached
, child_tidptr=0x5555574e8650) = 10817
[pid 10817] set_robust_list(0x5555574e8660, 24) = 0
[pid 10817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10817] setpgid(0, 0)               = 0
[  140.370769][T10809] vhci_hcd vhci_hcd.0: port 0 already used
[  140.409056][T10813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10817] write(3, "1000", 4)         = 4
[pid 10817] close(3)                    = 0
[pid 10817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10817] close(5)                    = 0
[pid 10817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10820 attached
) = 10820
[pid 10817] tkill(10820, SIGSTOP)       = 0
[pid 10817] exit_group(0 <unfinished ...>
[pid 10820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10817, si_uid=65534} ---
[pid 10817] <... exit_group resumed>)   = ?
[pid 10820] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10817] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10817, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10821 attached
, child_tidptr=0x5555574e8650) = 10821
[pid 10821] set_robust_list(0x5555574e8660, 24) = 0
[pid 10821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10821] setpgid(0, 0)               = 0
[pid 10821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10821] write(3, "1000", 4)         = 4
[pid 10821] close(3)                    = 0
[pid 10821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.462415][T10817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10821] close(5)                    = 0
[pid 10821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10824 attached
) = 10824
[pid 10821] tkill(10824, SIGSTOP)       = 0
[pid 10824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10821, si_uid=65534} ---
[pid 10821] exit_group(0 <unfinished ...>
[pid 10824] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10821] <... exit_group resumed>)   = ?
[pid 10821] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10825 attached
, child_tidptr=0x5555574e8650) = 10825
[pid 10825] set_robust_list(0x5555574e8660, 24) = 0
[pid 10825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10825] setpgid(0, 0)               = 0
[pid 10825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10825] write(3, "1000", 4)         = 4
[pid 10825] close(3)                    = 0
[pid 10825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.512428][T10821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10825] close(5)                    = 0
[pid 10825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10828 attached
) = 10828
[pid 10825] tkill(10828, SIGSTOP)       = 0
[pid 10828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10825, si_uid=65534} ---
[pid 10825] exit_group(0 <unfinished ...>
[pid 10828] --- stopped by SIGSTOP ---
[pid 10825] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10825, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10829 attached
, child_tidptr=0x5555574e8650) = 10829
[pid 10829] set_robust_list(0x5555574e8660, 24) = 0
[pid 10829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10829] setpgid(0, 0)               = 0
[pid 10829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10829] write(3, "1000", 4)         = 4
[pid 10829] close(3)                    = 0
[pid 10829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.562039][T10825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10829] close(5)                    = 0
[pid 10829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10832 attached
) = 10832
[pid 10829] tkill(10832, SIGSTOP)       = 0
[pid 10832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10829, si_uid=65534} ---
[pid 10832] --- stopped by SIGSTOP ---
[pid 10829] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10829] <... exit_group resumed>)   = ?
[pid 10829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10829, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10833 attached
, child_tidptr=0x5555574e8650) = 10833
[pid 10833] set_robust_list(0x5555574e8660, 24) = 0
[pid 10833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10833] setpgid(0, 0)               = 0
[pid 10833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10833] write(3, "1000", 4)         = 4
[pid 10833] close(3)                    = 0
[pid 10833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.611551][T10829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10833] close(5)                    = 0
[pid 10833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10836 attached
) = 10836
[pid 10833] tkill(10836, SIGSTOP)       = 0
[pid 10836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10833, si_uid=65534} ---
[pid 10833] exit_group(0 <unfinished ...>
[pid 10836] --- stopped by SIGSTOP ---
[pid 10833] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10837 attached
, child_tidptr=0x5555574e8650) = 10837
[pid 10837] set_robust_list(0x5555574e8660, 24) = 0
[pid 10837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10837] setpgid(0, 0)               = 0
[pid 10837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10837] write(3, "1000", 4)         = 4
[pid 10837] close(3)                    = 0
[pid 10837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.652267][T10833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10837] close(5)                    = 0
[pid 10837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10840 attached
) = 10840
[pid 10837] tkill(10840, SIGSTOP)       = 0
[pid 10840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10837, si_uid=65534} ---
[pid 10837] exit_group(0)               = ?
[pid 10840] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10837] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10837, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10841 attached
, child_tidptr=0x5555574e8650) = 10841
[pid 10841] set_robust_list(0x5555574e8660, 24) = 0
[pid 10841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10841] setpgid(0, 0)               = 0
[pid 10841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10841] write(3, "1000", 4)         = 4
[pid 10841] close(3)                    = 0
[pid 10841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.705266][T10837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10841] close(5)                    = 0
[pid 10841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10844 attached
) = 10844
[pid 10841] tkill(10844, SIGSTOP)       = 0
[pid 10844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10841, si_uid=65534} ---
[pid 10841] exit_group(0 <unfinished ...>
[pid 10844] --- stopped by SIGSTOP ---
[pid 10841] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10845 attached
, child_tidptr=0x5555574e8650) = 10845
[pid 10845] set_robust_list(0x5555574e8660, 24) = 0
[pid 10845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10845] setpgid(0, 0)               = 0
[pid 10845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10845] write(3, "1000", 4)         = 4
[pid 10845] close(3)                    = 0
[pid 10845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10845] close(5)                    = 0
[pid 10845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10848 attached
) = 10848
[pid 10845] tkill(10848, SIGSTOP)       = 0
[pid 10848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10845, si_uid=65534} ---
[pid 10845] exit_group(0 <unfinished ...>
[pid 10848] --- stopped by SIGSTOP ---
[pid 10845] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[  140.764040][T10841] vhci_hcd vhci_hcd.0: port 0 already used
[  140.802075][T10845] vhci_hcd vhci_hcd.0: port 0 already used
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10849 attached
, child_tidptr=0x5555574e8650) = 10849
[pid 10849] set_robust_list(0x5555574e8660, 24) = 0
[pid 10849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10849] setpgid(0, 0)               = 0
[pid 10849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10849] write(3, "1000", 4)         = 4
[pid 10849] close(3)                    = 0
[pid 10849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10849] close(5)                    = 0
[pid 10849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10852 attached
) = 10852
[pid 10849] tkill(10852, SIGSTOP)       = 0
[pid 10852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10849, si_uid=65534} ---
[pid 10852] --- stopped by SIGSTOP ---
[pid 10849] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10849] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10853 attached
, child_tidptr=0x5555574e8650) = 10853
[pid 10853] set_robust_list(0x5555574e8660, 24) = 0
[pid 10853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10853] setpgid(0, 0)               = 0
[pid 10853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10853] write(3, "1000", 4)         = 4
[pid 10853] close(3)                    = 0
[pid 10853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10853] close(5)                    = 0
[pid 10853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10856 attached
) = 10856
[pid 10853] tkill(10856, SIGSTOP)       = 0
[pid 10856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10853, si_uid=65534} ---
[pid 10853] exit_group(0 <unfinished ...>
[pid 10856] --- stopped by SIGSTOP ---
[pid 10853] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10853, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10857 attached
, child_tidptr=0x5555574e8650) = 10857
[pid 10857] set_robust_list(0x5555574e8660, 24) = 0
[pid 10857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10857] setpgid(0, 0)               = 0
[pid 10857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10857] write(3, "1000", 4)         = 4
[pid 10857] close(3)                    = 0
[pid 10857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.877066][T10849] vhci_hcd vhci_hcd.0: port 0 already used
[  140.913985][T10853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10857] close(5)                    = 0
[pid 10857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10860 attached
) = 10860
[pid 10857] tkill(10860, SIGSTOP)       = 0
[pid 10860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10857, si_uid=65534} ---
[pid 10860] --- stopped by SIGSTOP ---
[pid 10857] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10857] <... exit_group resumed>)   = ?
[pid 10857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10861 attached
, child_tidptr=0x5555574e8650) = 10861
[pid 10861] set_robust_list(0x5555574e8660, 24) = 0
[pid 10861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10861] setpgid(0, 0)               = 0
[pid 10861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10861] write(3, "1000", 4)         = 4
[pid 10861] close(3)                    = 0
[pid 10861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.953030][T10857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10861] close(5)                    = 0
[pid 10861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10864 attached
) = 10864
[pid 10861] tkill(10864, SIGSTOP)       = 0
[pid 10864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10861, si_uid=65534} ---
[pid 10861] exit_group(0 <unfinished ...>
[pid 10864] --- stopped by SIGSTOP ---
[pid 10861] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10861, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10865 attached
, child_tidptr=0x5555574e8650) = 10865
[pid 10865] set_robust_list(0x5555574e8660, 24) = 0
[pid 10865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10865] setpgid(0, 0)               = 0
[pid 10865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10865] write(3, "1000", 4)         = 4
[pid 10865] close(3)                    = 0
[pid 10865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  140.994856][T10861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10865] close(5)                    = 0
[pid 10865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10868 attached
) = 10868
[pid 10865] tkill(10868, SIGSTOP)       = 0
[pid 10868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10865, si_uid=65534} ---
[pid 10865] exit_group(0 <unfinished ...>
[pid 10868] --- stopped by SIGSTOP ---
[pid 10865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10869 attached
, child_tidptr=0x5555574e8650) = 10869
[pid 10869] set_robust_list(0x5555574e8660, 24) = 0
[pid 10869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10869] setpgid(0, 0)               = 0
[pid 10869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10869] write(3, "1000", 4)         = 4
[pid 10869] close(3)                    = 0
[pid 10869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.036415][T10865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10869] close(5)                    = 0
[pid 10869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10872 attached
) = 10872
[pid 10869] tkill(10872, SIGSTOP)       = 0
[pid 10872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10869, si_uid=65534} ---
[pid 10869] exit_group(0 <unfinished ...>
[pid 10872] --- stopped by SIGSTOP ---
[pid 10869] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10869, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10873 attached
, child_tidptr=0x5555574e8650) = 10873
[pid 10873] set_robust_list(0x5555574e8660, 24) = 0
[pid 10873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10873] setpgid(0, 0)               = 0
[pid 10873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10873] write(3, "1000", 4)         = 4
[pid 10873] close(3)                    = 0
[pid 10873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.090548][T10869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10873] close(5)                    = 0
[pid 10873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10876 attached
) = 10876
[pid 10873] tkill(10876, SIGSTOP)       = 0
[pid 10876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10873, si_uid=65534} ---
[pid 10873] exit_group(0 <unfinished ...>
[pid 10876] --- stopped by SIGSTOP ---
[pid 10873] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10873, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10877 attached
, child_tidptr=0x5555574e8650) = 10877
[pid 10877] set_robust_list(0x5555574e8660, 24) = 0
[pid 10877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10877] setpgid(0, 0)               = 0
[pid 10877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10877] write(3, "1000", 4)         = 4
[pid 10877] close(3)                    = 0
[pid 10877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.141003][T10873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10877] close(5)                    = 0
[pid 10877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10880 attached
) = 10880
[pid 10877] tkill(10880, SIGSTOP)       = 0
[pid 10877] exit_group(0 <unfinished ...>
[pid 10880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10877, si_uid=65534} ---
[pid 10880] --- stopped by SIGSTOP ---
[pid 10877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10877, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10881 attached
, child_tidptr=0x5555574e8650) = 10881
[pid 10881] set_robust_list(0x5555574e8660, 24) = 0
[pid 10881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10881] setpgid(0, 0)               = 0
[pid 10881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10881] write(3, "1000", 4)         = 4
[pid 10881] close(3)                    = 0
[pid 10881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.181711][T10877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10881] close(5)                    = 0
[pid 10881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10884 attached
) = 10884
[pid 10881] tkill(10884, SIGSTOP)       = 0
[pid 10884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10881, si_uid=65534} ---
[pid 10881] exit_group(0 <unfinished ...>
[pid 10884] --- stopped by SIGSTOP ---
[pid 10881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10881, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10885 attached
, child_tidptr=0x5555574e8650) = 10885
[pid 10885] set_robust_list(0x5555574e8660, 24) = 0
[pid 10885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10885] setpgid(0, 0)               = 0
[pid 10885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10885] write(3, "1000", 4)         = 4
[pid 10885] close(3)                    = 0
[pid 10885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10885] close(5)                    = 0
[pid 10885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10888 attached
) = 10888
[pid 10885] tkill(10888, SIGSTOP)       = 0
[pid 10888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10885, si_uid=65534} ---
[pid 10885] exit_group(0 <unfinished ...>
[pid 10888] --- stopped by SIGSTOP ---
[pid 10885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10885] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10889 attached
, child_tidptr=0x5555574e8650) = 10889
[pid 10889] set_robust_list(0x5555574e8660, 24) = 0
[pid 10889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10889] setpgid(0, 0)               = 0
[  141.223677][T10881] vhci_hcd vhci_hcd.0: port 0 already used
[  141.263931][T10885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10889] write(3, "1000", 4)         = 4
[pid 10889] close(3)                    = 0
[pid 10889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10889] close(5)                    = 0
[pid 10889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10892 attached
) = 10892
[pid 10889] tkill(10892, SIGSTOP)       = 0
[pid 10892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10889, si_uid=65534} ---
[pid 10889] exit_group(0 <unfinished ...>
[pid 10892] --- stopped by SIGSTOP ---
[pid 10889] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10893 attached
, child_tidptr=0x5555574e8650) = 10893
[pid 10893] set_robust_list(0x5555574e8660, 24) = 0
[pid 10893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10893] setpgid(0, 0)               = 0
[pid 10893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10893] write(3, "1000", 4)         = 4
[pid 10893] close(3)                    = 0
[pid 10893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.315697][T10889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10893] close(5)                    = 0
[pid 10893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10896 attached
) = 10896
[pid 10893] tkill(10896, SIGSTOP)       = 0
[pid 10896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10893, si_uid=65534} ---
[pid 10893] exit_group(0 <unfinished ...>
[pid 10896] --- stopped by SIGSTOP ---
[pid 10893] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10893] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10897 attached
, child_tidptr=0x5555574e8650) = 10897
[pid 10897] set_robust_list(0x5555574e8660, 24) = 0
[pid 10897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10897] setpgid(0, 0)               = 0
[pid 10897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10897] write(3, "1000", 4)         = 4
[pid 10897] close(3)                    = 0
[pid 10897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.368968][T10893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10897] close(5)                    = 0
[pid 10897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10900 attached
) = 10900
[pid 10897] tkill(10900, SIGSTOP)       = 0
[pid 10900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10897, si_uid=65534} ---
[pid 10897] exit_group(0 <unfinished ...>
[pid 10900] --- stopped by SIGSTOP ---
[pid 10897] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10901 attached
, child_tidptr=0x5555574e8650) = 10901
[pid 10901] set_robust_list(0x5555574e8660, 24) = 0
[pid 10901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10901] setpgid(0, 0)               = 0
[pid 10901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10901] write(3, "1000", 4)         = 4
[pid 10901] close(3)                    = 0
[pid 10901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.410458][T10897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10901] close(5)                    = 0
[pid 10901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10904 attached
) = 10904
[pid 10901] tkill(10904, SIGSTOP)       = 0
[pid 10904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10901, si_uid=65534} ---
[pid 10901] exit_group(0 <unfinished ...>
[pid 10904] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10901] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10905 attached
, child_tidptr=0x5555574e8650) = 10905
[pid 10905] set_robust_list(0x5555574e8660, 24) = 0
[pid 10905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10905] setpgid(0, 0)               = 0
[pid 10905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10905] write(3, "1000", 4)         = 4
[pid 10905] close(3)                    = 0
[pid 10905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.463345][T10901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10905] close(5)                    = 0
[pid 10905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10908 attached
) = 10908
[pid 10905] tkill(10908, SIGSTOP)       = 0
[pid 10905] exit_group(0 <unfinished ...>
[pid 10908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10905, si_uid=65534} ---
[pid 10905] <... exit_group resumed>)   = ?
[pid 10908] --- stopped by SIGSTOP ---
[pid 10905] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10909 attached
, child_tidptr=0x5555574e8650) = 10909
[pid 10909] set_robust_list(0x5555574e8660, 24) = 0
[pid 10909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10909] setpgid(0, 0)               = 0
[pid 10909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10909] write(3, "1000", 4)         = 4
[pid 10909] close(3)                    = 0
[pid 10909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.516592][T10905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10909] close(5)                    = 0
[pid 10909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10912 attached
) = 10912
[pid 10909] tkill(10912, SIGSTOP)       = 0
[pid 10912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10909, si_uid=65534} ---
[pid 10909] exit_group(0 <unfinished ...>
[pid 10912] --- stopped by SIGSTOP ---
[pid 10909] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10913 attached
, child_tidptr=0x5555574e8650) = 10913
[pid 10913] set_robust_list(0x5555574e8660, 24) = 0
[pid 10913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10913] setpgid(0, 0)               = 0
[pid 10913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10913] write(3, "1000", 4)         = 4
[pid 10913] close(3)                    = 0
[pid 10913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.558056][T10909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10913] close(5)                    = 0
[pid 10913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10916 attached
) = 10916
[pid 10913] tkill(10916, SIGSTOP)       = 0
[pid 10916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10913, si_uid=65534} ---
[pid 10913] exit_group(0 <unfinished ...>
[pid 10916] --- stopped by SIGSTOP ---
[pid 10913] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10917 attached
, child_tidptr=0x5555574e8650) = 10917
[pid 10917] set_robust_list(0x5555574e8660, 24) = 0
[pid 10917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10917] setpgid(0, 0)               = 0
[pid 10917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10917] write(3, "1000", 4)         = 4
[pid 10917] close(3)                    = 0
[pid 10917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.610613][T10913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10917] close(5)                    = 0
[pid 10917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10920 attached
) = 10920
[pid 10917] tkill(10920, SIGSTOP)       = 0
[pid 10920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10917, si_uid=65534} ---
[pid 10917] exit_group(0 <unfinished ...>
[pid 10920] --- stopped by SIGSTOP ---
[pid 10917] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10917, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10921 attached
, child_tidptr=0x5555574e8650) = 10921
[pid 10921] set_robust_list(0x5555574e8660, 24) = 0
[pid 10921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10921] setpgid(0, 0)               = 0
[pid 10921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10921] write(3, "1000", 4)         = 4
[pid 10921] close(3)                    = 0
[pid 10921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.653713][T10917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10921] close(5)                    = 0
[pid 10921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10924 attached
) = 10924
[pid 10921] tkill(10924, SIGSTOP)       = 0
[pid 10924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10921, si_uid=65534} ---
[pid 10921] exit_group(0 <unfinished ...>
[pid 10924] --- stopped by SIGSTOP ---
[pid 10921] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10925 attached
, child_tidptr=0x5555574e8650) = 10925
[pid 10925] set_robust_list(0x5555574e8660, 24) = 0
[pid 10925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10925] setpgid(0, 0)               = 0
[pid 10925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10925] write(3, "1000", 4)         = 4
[pid 10925] close(3)                    = 0
[pid 10925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.706838][T10921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10925] close(5)                    = 0
[pid 10925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10928 attached
) = 10928
[pid 10925] tkill(10928, SIGSTOP)       = 0
[pid 10925] exit_group(0 <unfinished ...>
[pid 10928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10925, si_uid=65534} ---
[pid 10925] <... exit_group resumed>)   = ?
[pid 10928] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10929 attached
, child_tidptr=0x5555574e8650) = 10929
[pid 10929] set_robust_list(0x5555574e8660, 24) = 0
[pid 10929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10929] setpgid(0, 0)               = 0
[pid 10929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10929] write(3, "1000", 4)         = 4
[pid 10929] close(3)                    = 0
[pid 10929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.756646][T10925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10929] close(5)                    = 0
[pid 10929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10932 attached
) = 10932
[pid 10929] tkill(10932, SIGSTOP)       = 0
[pid 10932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10929, si_uid=65534} ---
[pid 10929] exit_group(0 <unfinished ...>
[pid 10932] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10929] <... exit_group resumed>)   = ?
[pid 10929] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10933 attached
, child_tidptr=0x5555574e8650) = 10933
[pid 10933] set_robust_list(0x5555574e8660, 24) = 0
[pid 10933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10933] setpgid(0, 0)               = 0
[pid 10933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10933] write(3, "1000", 4)         = 4
[pid 10933] close(3)                    = 0
[pid 10933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.809790][T10929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10933] close(5)                    = 0
[pid 10933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10936 attached
) = 10936
[pid 10933] tkill(10936, SIGSTOP)       = 0
[pid 10933] exit_group(0 <unfinished ...>
[pid 10936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10933, si_uid=65534} ---
[pid 10933] <... exit_group resumed>)   = ?
[pid 10936] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10933] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10937 attached
, child_tidptr=0x5555574e8650) = 10937
[pid 10937] set_robust_list(0x5555574e8660, 24) = 0
[pid 10937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10937] setpgid(0, 0)               = 0
[pid 10937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10937] write(3, "1000", 4)         = 4
[pid 10937] close(3)                    = 0
[pid 10937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10937] close(5)                    = 0
[pid 10937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10940 attached
) = 10940
[pid 10937] tkill(10940, SIGSTOP)       = 0
[pid 10940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10937, si_uid=65534} ---
[pid 10937] exit_group(0 <unfinished ...>
[pid 10940] --- stopped by SIGSTOP ---
[pid 10937] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10937] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10941 attached
, child_tidptr=0x5555574e8650) = 10941
[pid 10941] set_robust_list(0x5555574e8660, 24) = 0
[pid 10941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10941] setpgid(0, 0)               = 0
[pid 10941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  141.859402][T10933] vhci_hcd vhci_hcd.0: port 0 already used
[  141.899046][T10937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10941] write(3, "1000", 4)         = 4
[pid 10941] close(3)                    = 0
[pid 10941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10941] close(5)                    = 0
[pid 10941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10944 attached
) = 10944
[pid 10941] tkill(10944, SIGSTOP)       = 0
[pid 10944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10941, si_uid=65534} ---
[pid 10941] exit_group(0 <unfinished ...>
[pid 10944] --- stopped by SIGSTOP ---
[pid 10941] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10941, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10945 attached
, child_tidptr=0x5555574e8650) = 10945
[pid 10945] set_robust_list(0x5555574e8660, 24) = 0
[pid 10945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10945] setpgid(0, 0)               = 0
[pid 10945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10945] write(3, "1000", 4)         = 4
[pid 10945] close(3)                    = 0
[pid 10945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10945] close(5)                    = 0
[pid 10945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10948 attached
) = 10948
[pid 10945] tkill(10948, SIGSTOP)       = 0
[pid 10948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10945, si_uid=65534} ---
[pid 10945] exit_group(0 <unfinished ...>
[pid 10948] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10945] <... exit_group resumed>)   = ?
[pid 10945] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10949 attached
, child_tidptr=0x5555574e8650) = 10949
[pid 10949] set_robust_list(0x5555574e8660, 24) = 0
[pid 10949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10949] setpgid(0, 0)               = 0
[pid 10949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10949] write(3, "1000", 4)         = 4
[pid 10949] close(3)                    = 0
[pid 10949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  141.950784][T10941] vhci_hcd vhci_hcd.0: port 0 already used
[  141.989622][T10945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10949] close(5)                    = 0
[pid 10949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10952 attached
) = 10952
[pid 10949] tkill(10952, SIGSTOP)       = 0
[pid 10952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10949, si_uid=65534} ---
[pid 10952] --- stopped by SIGSTOP ---
[pid 10949] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10953 attached
, child_tidptr=0x5555574e8650) = 10953
[pid 10953] set_robust_list(0x5555574e8660, 24) = 0
[pid 10953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10953] setpgid(0, 0)               = 0
[pid 10953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10953] write(3, "1000", 4)         = 4
[pid 10953] close(3)                    = 0
[pid 10953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.032943][T10949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10953] close(5)                    = 0
[pid 10953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10956 attached
) = 10956
[pid 10953] tkill(10956, SIGSTOP)       = 0
[pid 10953] exit_group(0)               = ?
[pid 10956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10953, si_uid=65534} ---
[pid 10953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10953, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 10956] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10957 attached
, child_tidptr=0x5555574e8650) = 10957
[pid 10957] set_robust_list(0x5555574e8660, 24) = 0
[pid 10957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10957] setpgid(0, 0)               = 0
[pid 10957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10957] write(3, "1000", 4)         = 4
[pid 10957] close(3)                    = 0
[pid 10957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.077192][T10953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10957] close(5)                    = 0
[pid 10957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10960 attached
) = 10960
[pid 10957] tkill(10960, SIGSTOP)       = 0
[pid 10960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10957, si_uid=65534} ---
[pid 10957] exit_group(0 <unfinished ...>
[pid 10960] --- stopped by SIGSTOP ---
[pid 10957] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10961 attached
, child_tidptr=0x5555574e8650) = 10961
[pid 10961] set_robust_list(0x5555574e8660, 24) = 0
[pid 10961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10961] setpgid(0, 0)               = 0
[pid 10961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10961] write(3, "1000", 4)         = 4
[pid 10961] close(3)                    = 0
[pid 10961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.117948][T10957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10961] close(5)                    = 0
[pid 10961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10964 attached
) = 10964
[pid 10961] tkill(10964, SIGSTOP)       = 0
[pid 10961] exit_group(0 <unfinished ...>
[pid 10964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10961, si_uid=65534} ---
[pid 10961] <... exit_group resumed>)   = ?
[pid 10964] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10965 attached
, child_tidptr=0x5555574e8650) = 10965
[pid 10965] set_robust_list(0x5555574e8660, 24) = 0
[pid 10965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10965] setpgid(0, 0)               = 0
[pid 10965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10965] write(3, "1000", 4)         = 4
[pid 10965] close(3)                    = 0
[pid 10965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.160955][T10961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10965] close(5)                    = 0
[pid 10965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10968 attached
) = 10968
[pid 10965] tkill(10968, SIGSTOP)       = 0
[pid 10968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10965, si_uid=65534} ---
[pid 10965] exit_group(0 <unfinished ...>
[pid 10968] --- stopped by SIGSTOP ---
[pid 10965] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10965] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10969 attached
, child_tidptr=0x5555574e8650) = 10969
[pid 10969] set_robust_list(0x5555574e8660, 24) = 0
[pid 10969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10969] setpgid(0, 0)               = 0
[pid 10969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10969] write(3, "1000", 4)         = 4
[pid 10969] close(3)                    = 0
[pid 10969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.211696][T10965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10969] close(5)                    = 0
[pid 10969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10972 attached
) = 10972
[pid 10969] tkill(10972, SIGSTOP)       = 0
[pid 10969] exit_group(0 <unfinished ...>
[pid 10972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10969, si_uid=65534} ---
[pid 10969] <... exit_group resumed>)   = ?
[pid 10972] --- stopped by SIGSTOP ---
[pid 10969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10973 attached
, child_tidptr=0x5555574e8650) = 10973
[pid 10973] set_robust_list(0x5555574e8660, 24) = 0
[pid 10973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10973] setpgid(0, 0)               = 0
[pid 10973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10973] write(3, "1000", 4)         = 4
[pid 10973] close(3)                    = 0
[pid 10973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.254758][T10969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10973] close(5)                    = 0
[pid 10973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10976 attached
) = 10976
[pid 10973] tkill(10976, SIGSTOP)       = 0
[pid 10976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10973, si_uid=65534} ---
[pid 10973] exit_group(0 <unfinished ...>
[pid 10976] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10973] <... exit_group resumed>)   = ?
[pid 10973] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10977 attached
, child_tidptr=0x5555574e8650) = 10977
[pid 10977] set_robust_list(0x5555574e8660, 24) = 0
[pid 10977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10977] setpgid(0, 0)               = 0
[pid 10977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10977] write(3, "1000", 4)         = 4
[pid 10977] close(3)                    = 0
[pid 10977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.297022][T10973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10977] close(5)                    = 0
[pid 10977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10980 attached
) = 10980
[pid 10977] tkill(10980, SIGSTOP)       = 0
[pid 10980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10977, si_uid=65534} ---
[pid 10980] --- stopped by SIGSTOP ---
[pid 10977] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10977] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10977] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10977, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10981 attached
, child_tidptr=0x5555574e8650) = 10981
[pid 10981] set_robust_list(0x5555574e8660, 24) = 0
[pid 10981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10981] setpgid(0, 0)               = 0
[pid 10981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10981] write(3, "1000", 4)         = 4
[pid 10981] close(3)                    = 0
[pid 10981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.339939][T10977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10981] close(5)                    = 0
[pid 10981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10984 attached
) = 10984
[pid 10981] tkill(10984, SIGSTOP)       = 0
[pid 10984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10981, si_uid=65534} ---
[pid 10984] --- stopped by SIGSTOP ---
[pid 10981] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10981] <... exit_group resumed>)   = ?
[pid 10981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10981, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10985 attached
, child_tidptr=0x5555574e8650) = 10985
[pid 10985] set_robust_list(0x5555574e8660, 24) = 0
[pid 10985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10985] setpgid(0, 0)               = 0
[pid 10985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10985] write(3, "1000", 4)         = 4
[pid 10985] close(3)                    = 0
[pid 10985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.384317][T10981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10985] close(5)                    = 0
[pid 10985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10988 attached
) = 10988
[pid 10985] tkill(10988, SIGSTOP)       = 0
[pid 10988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10985, si_uid=65534} ---
[pid 10985] exit_group(0 <unfinished ...>
[pid 10988] --- stopped by SIGSTOP ---
[pid 10985] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 10985] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10985, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10989 attached
, child_tidptr=0x5555574e8650) = 10989
[pid 10989] set_robust_list(0x5555574e8660, 24) = 0
[pid 10989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10989] setpgid(0, 0)               = 0
[pid 10989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10989] write(3, "1000", 4)         = 4
[pid 10989] close(3)                    = 0
[pid 10989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.437710][T10985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10989] close(5)                    = 0
[pid 10989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10992 attached
) = 10992
[pid 10989] tkill(10992, SIGSTOP)       = 0
[pid 10992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10989, si_uid=65534} ---
[pid 10989] exit_group(0 <unfinished ...>
[pid 10992] --- stopped by SIGSTOP ---
[pid 10989] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10989, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10993 attached
, child_tidptr=0x5555574e8650) = 10993
[pid 10993] set_robust_list(0x5555574e8660, 24) = 0
[pid 10993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10993] setpgid(0, 0)               = 0
[pid 10993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10993] write(3, "1000", 4)         = 4
[pid 10993] close(3)                    = 0
[pid 10993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.479174][T10989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 10993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10993] close(5)                    = 0
[pid 10993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 10996 attached
) = 10996
[pid 10993] tkill(10996, SIGSTOP)       = 0
[pid 10996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10993, si_uid=65534} ---
[pid 10993] exit_group(0 <unfinished ...>
[pid 10996] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=10996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10993] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10993] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 10997 attached
, child_tidptr=0x5555574e8650) = 10997
[pid 10997] set_robust_list(0x5555574e8660, 24) = 0
[pid 10997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 10997] setpgid(0, 0)               = 0
[pid 10997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 10997] write(3, "1000", 4)         = 4
[pid 10997] close(3)                    = 0
[pid 10997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 10997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 10997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 10997] close(5)                    = 0
[pid 10997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11000 attached
) = 11000
[pid 10997] tkill(11000, SIGSTOP)       = 0
[pid 11000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=10997, si_uid=65534} ---
[pid 11000] --- stopped by SIGSTOP ---
[pid 10997] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 10997] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 10997] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10997, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11001 attached
, child_tidptr=0x5555574e8650) = 11001
[pid 11001] set_robust_list(0x5555574e8660, 24) = 0
[pid 11001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11001] setpgid(0, 0)               = 0
[pid 11001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11001] write(3, "1000", 4)         = 4
[pid 11001] close(3)                    = 0
[pid 11001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.520519][T10993] vhci_hcd vhci_hcd.0: port 0 already used
[  142.558684][T10997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11001] close(5)                    = 0
[pid 11001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11004 attached
) = 11004
[pid 11001] tkill(11004, SIGSTOP)       = 0
[pid 11001] exit_group(0 <unfinished ...>
[pid 11004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11001, si_uid=65534} ---
[pid 11001] <... exit_group resumed>)   = ?
[pid 11004] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11001] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11001, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11005 attached
, child_tidptr=0x5555574e8650) = 11005
[pid 11005] set_robust_list(0x5555574e8660, 24) = 0
[pid 11005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11005] setpgid(0, 0)               = 0
[pid 11005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11005] write(3, "1000", 4)         = 4
[pid 11005] close(3)                    = 0
[pid 11005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.598328][T11001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11005] close(5)                    = 0
[pid 11005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11008 attached
) = 11008
[pid 11005] tkill(11008, SIGSTOP)       = 0
[pid 11008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11005, si_uid=65534} ---
[pid 11005] exit_group(0 <unfinished ...>
[pid 11008] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11005] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11009 attached
, child_tidptr=0x5555574e8650) = 11009
[pid 11009] set_robust_list(0x5555574e8660, 24) = 0
[pid 11009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11009] setpgid(0, 0)               = 0
[pid 11009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11009] write(3, "1000", 4)         = 4
[pid 11009] close(3)                    = 0
[pid 11009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11009] close(5)                    = 0
[pid 11009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11012 attached
) = 11012
[pid 11009] tkill(11012, SIGSTOP)       = 0
[pid 11012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11009, si_uid=65534} ---
[pid 11012] --- stopped by SIGSTOP ---
[pid 11009] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11009, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11013 attached
, child_tidptr=0x5555574e8650) = 11013
[pid 11013] set_robust_list(0x5555574e8660, 24) = 0
[pid 11013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11013] setpgid(0, 0)               = 0
[  142.639808][T11005] vhci_hcd vhci_hcd.0: port 0 already used
[  142.679731][T11009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11013] write(3, "1000", 4)         = 4
[pid 11013] close(3)                    = 0
[pid 11013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11013] close(5)                    = 0
[pid 11013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11016 attached
) = 11016
[pid 11013] tkill(11016, SIGSTOP)       = 0
[pid 11016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11013, si_uid=65534} ---
[pid 11016] --- stopped by SIGSTOP ---
[pid 11013] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11013] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 11013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11013, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11017 attached
, child_tidptr=0x5555574e8650) = 11017
[pid 11017] set_robust_list(0x5555574e8660, 24) = 0
[pid 11017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11017] setpgid(0, 0)               = 0
[pid 11017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11017] write(3, "1000", 4)         = 4
[pid 11017] close(3)                    = 0
[pid 11017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11017] close(5)                    = 0
[pid 11017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11020 attached
) = 11020
[pid 11017] tkill(11020, SIGSTOP)       = 0
[pid 11020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11017, si_uid=65534} ---
[pid 11017] exit_group(0 <unfinished ...>
[pid 11020] --- stopped by SIGSTOP ---
[pid 11017] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11021 attached
, child_tidptr=0x5555574e8650) = 11021
[pid 11021] set_robust_list(0x5555574e8660, 24) = 0
[pid 11021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11021] setpgid(0, 0)               = 0
[pid 11021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11021] write(3, "1000", 4)         = 4
[pid 11021] close(3)                    = 0
[pid 11021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.741407][T11013] vhci_hcd vhci_hcd.0: port 0 already used
[  142.779717][T11017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11021] close(5)                    = 0
[pid 11021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11024 attached
) = 11024
[pid 11021] tkill(11024, SIGSTOP)       = 0
[pid 11024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11021, si_uid=65534} ---
[pid 11021] exit_group(0 <unfinished ...>
[pid 11024] --- stopped by SIGSTOP ---
[pid 11021] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11021, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11025 attached
, child_tidptr=0x5555574e8650) = 11025
[pid 11025] set_robust_list(0x5555574e8660, 24) = 0
[pid 11025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11025] setpgid(0, 0)               = 0
[pid 11025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11025] write(3, "1000", 4)         = 4
[pid 11025] close(3)                    = 0
[pid 11025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.819836][T11021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11025] close(5)                    = 0
[pid 11025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11028 attached
) = 11028
[pid 11025] tkill(11028, SIGSTOP)       = 0
[pid 11028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11025, si_uid=65534} ---
[pid 11025] exit_group(0 <unfinished ...>
[pid 11028] --- stopped by SIGSTOP ---
[pid 11025] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11029 attached
, child_tidptr=0x5555574e8650) = 11029
[pid 11029] set_robust_list(0x5555574e8660, 24) = 0
[pid 11029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11029] setpgid(0, 0)               = 0
[pid 11029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11029] write(3, "1000", 4)         = 4
[pid 11029] close(3)                    = 0
[pid 11029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.882660][T11025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11029] close(5)                    = 0
[pid 11029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11032 attached
) = 11032
[pid 11029] tkill(11032, SIGSTOP)       = 0
[pid 11032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11029, si_uid=65534} ---
[pid 11029] exit_group(0 <unfinished ...>
[pid 11032] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11029] <... exit_group resumed>)   = ?
[pid 11029] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11033 attached
, child_tidptr=0x5555574e8650) = 11033
[pid 11033] set_robust_list(0x5555574e8660, 24) = 0
[pid 11033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11033] setpgid(0, 0)               = 0
[pid 11033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11033] write(3, "1000", 4)         = 4
[pid 11033] close(3)                    = 0
[pid 11033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.933158][T11029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11033] close(5)                    = 0
[pid 11033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11036 attached
) = 11036
[pid 11033] tkill(11036, SIGSTOP)       = 0
[pid 11036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11033, si_uid=65534} ---
[pid 11033] exit_group(0 <unfinished ...>
[pid 11036] --- stopped by SIGSTOP ---
[pid 11033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11033, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11037 attached
, child_tidptr=0x5555574e8650) = 11037
[pid 11037] set_robust_list(0x5555574e8660, 24) = 0
[pid 11037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11037] setpgid(0, 0)               = 0
[pid 11037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11037] write(3, "1000", 4)         = 4
[pid 11037] close(3)                    = 0
[pid 11037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  142.995385][T11033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11037] close(5)                    = 0
[pid 11037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11040 attached
) = 11040
[pid 11037] tkill(11040, SIGSTOP)       = 0
[pid 11040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11037, si_uid=65534} ---
[pid 11037] exit_group(0 <unfinished ...>
[pid 11040] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11037] <... exit_group resumed>)   = ?
[pid 11037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11041 attached
, child_tidptr=0x5555574e8650) = 11041
[pid 11041] set_robust_list(0x5555574e8660, 24) = 0
[pid 11041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11041] setpgid(0, 0)               = 0
[pid 11041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11041] write(3, "1000", 4)         = 4
[pid 11041] close(3)                    = 0
[pid 11041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11041] close(5)                    = 0
[pid 11041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11044 attached
) = 11044
[pid 11041] tkill(11044, SIGSTOP)       = 0
[pid 11041] exit_group(0 <unfinished ...>
[pid 11044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11041, si_uid=65534} ---
[pid 11041] <... exit_group resumed>)   = ?
[pid 11044] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11041, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11045 attached
, child_tidptr=0x5555574e8650) = 11045
[pid 11045] set_robust_list(0x5555574e8660, 24) = 0
[pid 11045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11045] setpgid(0, 0)               = 0
[pid 11045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11045] write(3, "1000", 4)         = 4
[pid 11045] close(3)                    = 0
[pid 11045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.036200][T11037] vhci_hcd vhci_hcd.0: port 0 already used
[  143.075636][T11041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11045] close(5)                    = 0
[pid 11045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11048 attached
) = 11048
[pid 11045] tkill(11048, SIGSTOP)       = 0
[pid 11048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11045, si_uid=65534} ---
[pid 11045] exit_group(0 <unfinished ...>
[pid 11048] --- stopped by SIGSTOP ---
[pid 11045] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11049 attached
, child_tidptr=0x5555574e8650) = 11049
[pid 11049] set_robust_list(0x5555574e8660, 24) = 0
[pid 11049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11049] setpgid(0, 0)               = 0
[pid 11049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11049] write(3, "1000", 4)         = 4
[pid 11049] close(3)                    = 0
[pid 11049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.116887][T11045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11049] close(5)                    = 0
[pid 11049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11052 attached
) = 11052
[pid 11049] tkill(11052, SIGSTOP)       = 0
[pid 11049] exit_group(0)               = ?
[pid 11049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11049, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid 11052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11049, si_uid=65534} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 11052] --- stopped by SIGSTOP ---
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = ? ERESTARTNOINTR (To be restarted)
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11053 attached
, child_tidptr=0x5555574e8650) = 11053
[pid 11053] set_robust_list(0x5555574e8660, 24) = 0
[pid 11053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11053] setpgid(0, 0)               = 0
[pid 11053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11053] write(3, "1000", 4)         = 4
[pid 11053] close(3)                    = 0
[pid 11053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  143.171915][T11049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11053] close(5)                    = 0
[pid 11053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 11056
[pid 11053] tkill(11056, SIGSTOP)       = 0
[pid 11053] exit_group(0)               = ?
[pid 11053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
./strace-static-x86_64: Process 11056 attached
[pid 11056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11053, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11056] --- stopped by SIGSTOP ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 11057
./strace-static-x86_64: Process 11057 attached
[pid 11057] set_robust_list(0x5555574e8660, 24) = 0
[pid 11057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  143.250207][T11053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11057] setpgid(0, 0)               = 0
[pid 11057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11057] write(3, "1000", 4)         = 4
[pid 11057] close(3)                    = 0
[pid 11057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11057] close(5)                    = 0
[pid 11057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 11060
[pid 11057] tkill(11060, SIGSTOP./strace-static-x86_64: Process 11060 attached
)       = 0
[pid 11060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11057, si_uid=65534} ---
[pid 11057] exit_group(0 <unfinished ...>
[pid 11060] --- stopped by SIGSTOP ---
[pid 11057] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11061 attached
, child_tidptr=0x5555574e8650) = 11061
[pid 11061] set_robust_list(0x5555574e8660, 24) = 0
[pid 11061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11061] setpgid(0, 0)               = 0
[pid 11061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11061] write(3, "1000", 4)         = 4
[pid 11061] close(3)                    = 0
[pid 11061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  143.338392][T11057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11061] close(5)                    = 0
[pid 11061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11064 attached
) = 11064
[pid 11061] tkill(11064, SIGSTOP)       = 0
[pid 11064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11061, si_uid=65534} ---
[pid 11061] exit_group(0 <unfinished ...>
[pid 11064] --- stopped by SIGSTOP ---
[pid 11061] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11061] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 11065
./strace-static-x86_64: Process 11065 attached
[  143.417859][T11061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11065] set_robust_list(0x5555574e8660, 24) = 0
[pid 11065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11065] setpgid(0, 0)               = 0
[pid 11065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11065] write(3, "1000", 4)         = 4
[pid 11065] close(3)                    = 0
[pid 11065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11065] close(5)                    = 0
[pid 11065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11068 attached
) = 11068
[pid 11065] tkill(11068, SIGSTOP)       = 0
[pid 11065] exit_group(0)               = ?
[pid 11068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11065, si_uid=65534} ---
[pid 11065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 11068] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11069 attached
 <unfinished ...>
[pid 11069] set_robust_list(0x5555574e8660, 24) = 0
[pid 11069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11069] setpgid(0, 0)               = 0
[pid 11069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 11069
[pid 11069] write(3, "1000", 4)         = 4
[pid 11069] close(3)                    = 0
[pid 11069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.506581][T11065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11069] close(5)                    = 0
[pid 11069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11072 attached
) = 11072
[pid 11069] tkill(11072, SIGSTOP)       = 0
[pid 11072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11069, si_uid=65534} ---
[pid 11069] exit_group(0 <unfinished ...>
[pid 11072] --- stopped by SIGSTOP ---
[pid 11069] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11073 attached
 <unfinished ...>
[pid 11073] set_robust_list(0x5555574e8660, 24) = 0
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 11073
[pid 11073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11073] setpgid(0, 0)               = 0
[pid 11073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11073] write(3, "1000", 4)         = 4
[pid 11073] close(3)                    = 0
[pid 11073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.569176][T11069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11073] close(5)                    = 0
[pid 11073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11076 attached
) = 11076
[pid 11073] tkill(11076, SIGSTOP)       = 0
[pid 11076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11073, si_uid=65534} ---
[pid 11073] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11076] --- stopped by SIGSTOP ---
[pid 11073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11073, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11077 attached
, child_tidptr=0x5555574e8650) = 11077
[pid 11077] set_robust_list(0x5555574e8660, 24) = 0
[pid 11077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11077] setpgid(0, 0)               = 0
[pid 11077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11077] write(3, "1000", 4)         = 4
[pid 11077] close(3)                    = 0
[pid 11077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.625214][T11073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11077] close(5)                    = 0
[pid 11077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11080 attached
) = 11080
[pid 11077] tkill(11080, SIGSTOP)       = 0
[pid 11077] exit_group(0 <unfinished ...>
[pid 11080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11077, si_uid=65534} ---
[pid 11077] <... exit_group resumed>)   = ?
[pid 11080] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11077] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11081 attached
, child_tidptr=0x5555574e8650) = 11081
[pid 11081] set_robust_list(0x5555574e8660, 24) = 0
[pid 11081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11081] setpgid(0, 0)               = 0
[pid 11081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11081] write(3, "1000", 4)         = 4
[pid 11081] close(3)                    = 0
[pid 11081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.666624][T11077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11081] close(5)                    = 0
[pid 11081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11084 attached
) = 11084
[pid 11081] tkill(11084, SIGSTOP)       = 0
[pid 11084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11081, si_uid=65534} ---
[pid 11081] exit_group(0 <unfinished ...>
[pid 11084] --- stopped by SIGSTOP ---
[pid 11081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11081] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11085 attached
, child_tidptr=0x5555574e8650) = 11085
[pid 11085] set_robust_list(0x5555574e8660, 24) = 0
[pid 11085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11085] setpgid(0, 0)               = 0
[pid 11085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11085] write(3, "1000", 4)         = 4
[pid 11085] close(3)                    = 0
[pid 11085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.729596][T11081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11085] close(5)                    = 0
[pid 11085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11088 attached
) = 11088
[pid 11085] tkill(11088, SIGSTOP)       = 0
[pid 11088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11085, si_uid=65534} ---
[pid 11085] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11088] --- stopped by SIGSTOP ---
[pid 11085] <... exit_group resumed>)   = ?
[pid 11085] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11089 attached
, child_tidptr=0x5555574e8650) = 11089
[pid 11089] set_robust_list(0x5555574e8660, 24) = 0
[pid 11089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11089] setpgid(0, 0)               = 0
[pid 11089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11089] write(3, "1000", 4)         = 4
[pid 11089] close(3)                    = 0
[pid 11089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.781436][T11085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11089] close(5)                    = 0
[pid 11089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11092 attached
) = 11092
[pid 11089] tkill(11092, SIGSTOP)       = 0
[pid 11089] exit_group(0 <unfinished ...>
[pid 11092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11089, si_uid=65534} ---
[pid 11089] <... exit_group resumed>)   = ?
[pid 11092] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11089] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11089, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11093 attached
, child_tidptr=0x5555574e8650) = 11093
[pid 11093] set_robust_list(0x5555574e8660, 24) = 0
[pid 11093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11093] setpgid(0, 0)               = 0
[pid 11093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11093] write(3, "1000", 4)         = 4
[pid 11093] close(3)                    = 0
[pid 11093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.825051][T11089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11093] close(5)                    = 0
[pid 11093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11096 attached
) = 11096
[pid 11093] tkill(11096, SIGSTOP)       = 0
[pid 11096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11093, si_uid=65534} ---
[pid 11093] exit_group(0 <unfinished ...>
[pid 11096] --- stopped by SIGSTOP ---
[pid 11093] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11097 attached
, child_tidptr=0x5555574e8650) = 11097
[pid 11097] set_robust_list(0x5555574e8660, 24) = 0
[pid 11097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11097] setpgid(0, 0)               = 0
[pid 11097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11097] write(3, "1000", 4)         = 4
[pid 11097] close(3)                    = 0
[pid 11097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.877935][T11093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11097] close(5)                    = 0
[pid 11097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11100 attached
) = 11100
[pid 11097] tkill(11100, SIGSTOP)       = 0
[pid 11100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11097, si_uid=65534} ---
[pid 11100] --- stopped by SIGSTOP ---
[pid 11097] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11101 attached
, child_tidptr=0x5555574e8650) = 11101
[pid 11101] set_robust_list(0x5555574e8660, 24) = 0
[pid 11101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11101] setpgid(0, 0)               = 0
[pid 11101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11101] write(3, "1000", 4)         = 4
[pid 11101] close(3)                    = 0
[pid 11101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.920620][T11097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11101] close(5)                    = 0
[pid 11101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11104 attached
) = 11104
[pid 11101] tkill(11104, SIGSTOP)       = 0
[pid 11104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11101, si_uid=65534} ---
[pid 11104] --- stopped by SIGSTOP ---
[pid 11101] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11101] <... exit_group resumed>)   = ?
[pid 11101] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11105 attached
, child_tidptr=0x5555574e8650) = 11105
[pid 11105] set_robust_list(0x5555574e8660, 24) = 0
[pid 11105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11105] setpgid(0, 0)               = 0
[pid 11105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11105] write(3, "1000", 4)         = 4
[pid 11105] close(3)                    = 0
[pid 11105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  143.961939][T11101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11105] close(5)                    = 0
[pid 11105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11108 attached
) = 11108
[pid 11105] tkill(11108, SIGSTOP)       = 0
[pid 11108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11105, si_uid=65534} ---
[pid 11105] exit_group(0 <unfinished ...>
[pid 11108] --- stopped by SIGSTOP ---
[pid 11105] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11105] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11109 attached
, child_tidptr=0x5555574e8650) = 11109
[pid 11109] set_robust_list(0x5555574e8660, 24) = 0
[pid 11109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11109] setpgid(0, 0)               = 0
[pid 11109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11109] write(3, "1000", 4)         = 4
[pid 11109] close(3)                    = 0
[pid 11109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11109] close(5)                    = 0
[pid 11109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11112 attached
) = 11112
[pid 11109] tkill(11112, SIGSTOP)       = 0
[pid 11109] exit_group(0 <unfinished ...>
[pid 11112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11109, si_uid=65534} ---
[pid 11112] --- stopped by SIGSTOP ---
[pid 11109] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11109] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11109, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11113 attached
, child_tidptr=0x5555574e8650) = 11113
[pid 11113] set_robust_list(0x5555574e8660, 24) = 0
[pid 11113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11113] setpgid(0, 0)               = 0
[pid 11113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11113] write(3, "1000", 4)         = 4
[pid 11113] close(3)                    = 0
[pid 11113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.002758][T11105] vhci_hcd vhci_hcd.0: port 0 already used
[  144.042554][T11109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11113] close(5)                    = 0
[pid 11113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11116 attached
) = 11116
[pid 11113] tkill(11116, SIGSTOP)       = 0
[pid 11116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11113, si_uid=65534} ---
[pid 11113] exit_group(0 <unfinished ...>
[pid 11116] --- stopped by SIGSTOP ---
[pid 11113] <... exit_group resumed>)   = ?
[pid 11113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11117 attached
, child_tidptr=0x5555574e8650) = 11117
[pid 11117] set_robust_list(0x5555574e8660, 24) = 0
[pid 11117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11117] setpgid(0, 0)               = 0
[pid 11117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11117] write(3, "1000", 4)         = 4
[pid 11117] close(3)                    = 0
[pid 11117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.083557][T11113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11117] close(5)                    = 0
[pid 11117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11120 attached
) = 11120
[pid 11117] tkill(11120, SIGSTOP <unfinished ...>
[pid 11120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11117, si_uid=65534} ---
[pid 11117] <... tkill resumed>)        = 0
[pid 11120] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11117] exit_group(0 <unfinished ...>
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11117] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 11117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11121 attached
 <unfinished ...>
[pid 11121] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 11121
[pid 11121] <... set_robust_list resumed>) = 0
[pid 11121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11121] setpgid(0, 0)               = 0
[pid 11121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11121] write(3, "1000", 4)         = 4
[pid 11121] close(3)                    = 0
[pid 11121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.123739][T11117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11121] close(5)                    = 0
[pid 11121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11124 attached
) = 11124
[pid 11121] tkill(11124, SIGSTOP)       = 0
[pid 11124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11121, si_uid=65534} ---
[pid 11121] exit_group(0 <unfinished ...>
[pid 11124] --- stopped by SIGSTOP ---
[pid 11121] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11121] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11125 attached
, child_tidptr=0x5555574e8650) = 11125
[pid 11125] set_robust_list(0x5555574e8660, 24) = 0
[pid 11125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11125] setpgid(0, 0)               = 0
[pid 11125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11125] write(3, "1000", 4)         = 4
[pid 11125] close(3)                    = 0
[pid 11125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11125] close(5)                    = 0
[pid 11125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11128 attached
) = 11128
[pid 11125] tkill(11128, SIGSTOP)       = 0
[pid 11125] exit_group(0 <unfinished ...>
[pid 11128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11125, si_uid=65534} ---
[pid 11125] <... exit_group resumed>)   = ?
[pid 11128] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11125] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11125, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11129 attached
, child_tidptr=0x5555574e8650) = 11129
[pid 11129] set_robust_list(0x5555574e8660, 24) = 0
[pid 11129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11129] setpgid(0, 0)               = 0
[pid 11129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11129] write(3, "1000", 4)         = 4
[pid 11129] close(3)                    = 0
[pid 11129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.173097][T11121] vhci_hcd vhci_hcd.0: port 0 already used
[  144.211351][T11125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11129] close(5)                    = 0
[pid 11129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11132 attached
) = 11132
[pid 11129] tkill(11132, SIGSTOP)       = 0
[pid 11132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11129, si_uid=65534} ---
[pid 11129] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11132] --- stopped by SIGSTOP ---
[pid 11129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11133 attached
, child_tidptr=0x5555574e8650) = 11133
[pid 11133] set_robust_list(0x5555574e8660, 24) = 0
[pid 11133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11133] setpgid(0, 0)               = 0
[pid 11133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11133] write(3, "1000", 4)         = 4
[pid 11133] close(3)                    = 0
[pid 11133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11133] close(5)                    = 0
[pid 11133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11136 attached
) = 11136
[pid 11133] tkill(11136, SIGSTOP)       = 0
[pid 11133] exit_group(0 <unfinished ...>
[pid 11136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11133, si_uid=65534} ---
[pid 11133] <... exit_group resumed>)   = ?
[pid 11136] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11137 attached
, child_tidptr=0x5555574e8650) = 11137
[pid 11137] set_robust_list(0x5555574e8660, 24) = 0
[pid 11137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11137] setpgid(0, 0)               = 0
[pid 11137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11137] write(3, "1000", 4)         = 4
[pid 11137] close(3)                    = 0
[pid 11137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.254817][T11129] vhci_hcd vhci_hcd.0: port 0 already used
[  144.292927][T11133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11137] close(5)                    = 0
[pid 11137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11140 attached
) = 11140
[pid 11137] tkill(11140, SIGSTOP)       = 0
[pid 11140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11137, si_uid=65534} ---
[pid 11140] --- stopped by SIGSTOP ---
[pid 11137] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11137] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11141 attached
, child_tidptr=0x5555574e8650) = 11141
[pid 11141] set_robust_list(0x5555574e8660, 24) = 0
[pid 11141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11141] setpgid(0, 0)               = 0
[pid 11141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11141] write(3, "1000", 4)         = 4
[pid 11141] close(3)                    = 0
[pid 11141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.336334][T11137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11141] close(5)                    = 0
[pid 11141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11144 attached
) = 11144
[pid 11141] tkill(11144, SIGSTOP)       = 0
[pid 11141] exit_group(0 <unfinished ...>
[pid 11144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11141, si_uid=65534} ---
[pid 11141] <... exit_group resumed>)   = ?
[pid 11144] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11141] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11145 attached
, child_tidptr=0x5555574e8650) = 11145
[pid 11145] set_robust_list(0x5555574e8660, 24) = 0
[pid 11145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11145] setpgid(0, 0)               = 0
[pid 11145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11145] write(3, "1000", 4)         = 4
[pid 11145] close(3)                    = 0
[pid 11145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.380560][T11141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11145] close(5)                    = 0
[pid 11145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11148 attached
) = 11148
[pid 11145] tkill(11148, SIGSTOP)       = 0
[pid 11148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11145, si_uid=65534} ---
[pid 11148] --- stopped by SIGSTOP ---
[pid 11145] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11145] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11149 attached
, child_tidptr=0x5555574e8650) = 11149
[pid 11149] set_robust_list(0x5555574e8660, 24) = 0
[pid 11149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11149] setpgid(0, 0)               = 0
[pid 11149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11149] write(3, "1000", 4)         = 4
[pid 11149] close(3)                    = 0
[pid 11149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.431121][T11145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11149] close(5)                    = 0
[pid 11149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11152 attached
) = 11152
[pid 11149] tkill(11152, SIGSTOP)       = 0
[pid 11152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11149, si_uid=65534} ---
[pid 11149] exit_group(0 <unfinished ...>
[pid 11152] --- stopped by SIGSTOP ---
[pid 11149] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11153 attached
, child_tidptr=0x5555574e8650) = 11153
[pid 11153] set_robust_list(0x5555574e8660, 24) = 0
[pid 11153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11153] setpgid(0, 0)               = 0
[pid 11153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11153] write(3, "1000", 4)         = 4
[pid 11153] close(3)                    = 0
[pid 11153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.484430][T11149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11153] close(5)                    = 0
[pid 11153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11156 attached
) = 11156
[pid 11153] tkill(11156, SIGSTOP)       = 0
[pid 11153] exit_group(0 <unfinished ...>
[pid 11156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11153, si_uid=65534} ---
[pid 11156] --- stopped by SIGSTOP ---
[pid 11153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11153] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11153, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11157 attached
, child_tidptr=0x5555574e8650) = 11157
[pid 11157] set_robust_list(0x5555574e8660, 24) = 0
[pid 11157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11157] setpgid(0, 0)               = 0
[pid 11157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11157] write(3, "1000", 4)         = 4
[pid 11157] close(3)                    = 0
[pid 11157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.526675][T11153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11157] close(5)                    = 0
[pid 11157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11160 attached
) = 11160
[pid 11157] tkill(11160, SIGSTOP)       = 0
[pid 11160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11157, si_uid=65534} ---
[pid 11157] exit_group(0 <unfinished ...>
[pid 11160] --- stopped by SIGSTOP ---
[pid 11157] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11157] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11161 attached
, child_tidptr=0x5555574e8650) = 11161
[pid 11161] set_robust_list(0x5555574e8660, 24) = 0
[pid 11161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11161] setpgid(0, 0)               = 0
[pid 11161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11161] write(3, "1000", 4)         = 4
[pid 11161] close(3)                    = 0
[pid 11161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.578153][T11157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11161] close(5)                    = 0
[pid 11161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11164 attached
) = 11164
[pid 11161] tkill(11164, SIGSTOP)       = 0
[pid 11164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11161, si_uid=65534} ---
[pid 11161] exit_group(0 <unfinished ...>
[pid 11164] --- stopped by SIGSTOP ---
[pid 11161] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11161] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11161, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11165 attached
, child_tidptr=0x5555574e8650) = 11165
[pid 11165] set_robust_list(0x5555574e8660, 24) = 0
[pid 11165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11165] setpgid(0, 0)               = 0
[pid 11165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11165] write(3, "1000", 4)         = 4
[pid 11165] close(3)                    = 0
[pid 11165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.623448][T11161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11165] close(5)                    = 0
[pid 11165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11168 attached
) = 11168
[pid 11165] tkill(11168, SIGSTOP)       = 0
[pid 11168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11165, si_uid=65534} ---
[pid 11165] exit_group(0 <unfinished ...>
[pid 11168] --- stopped by SIGSTOP ---
[pid 11165] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11165] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11169 attached
, child_tidptr=0x5555574e8650) = 11169
[pid 11169] set_robust_list(0x5555574e8660, 24) = 0
[pid 11169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11169] setpgid(0, 0)               = 0
[pid 11169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11169] write(3, "1000", 4)         = 4
[pid 11169] close(3)                    = 0
[pid 11169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11169] close(5)                    = 0
[pid 11169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11172 attached
) = 11172
[pid 11169] tkill(11172, SIGSTOP <unfinished ...>
[pid 11172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11169, si_uid=65534} ---
[pid 11169] <... tkill resumed>)        = 0
[pid 11172] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11169] exit_group(0)               = ?
[pid 11169] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11169, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11173 attached
, child_tidptr=0x5555574e8650) = 11173
[pid 11173] set_robust_list(0x5555574e8660, 24) = 0
[pid 11173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11173] setpgid(0, 0)               = 0
[  144.674261][T11165] vhci_hcd vhci_hcd.0: port 0 already used
[  144.712674][T11169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11173] write(3, "1000", 4)         = 4
[pid 11173] close(3)                    = 0
[pid 11173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11173] close(5)                    = 0
[pid 11173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11176 attached
) = 11176
[pid 11173] tkill(11176, SIGSTOP)       = 0
[pid 11173] exit_group(0 <unfinished ...>
[pid 11176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11173, si_uid=65534} ---
[pid 11173] <... exit_group resumed>)   = ?
[pid 11176] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11177 attached
, child_tidptr=0x5555574e8650) = 11177
[pid 11177] set_robust_list(0x5555574e8660, 24) = 0
[pid 11177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11177] setpgid(0, 0)               = 0
[pid 11177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11177] write(3, "1000", 4)         = 4
[pid 11177] close(3)                    = 0
[pid 11177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.767264][T11173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11177] close(5)                    = 0
[pid 11177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11180 attached
) = 11180
[pid 11177] tkill(11180, SIGSTOP)       = 0
[pid 11180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11177, si_uid=65534} ---
[pid 11180] --- stopped by SIGSTOP ---
[pid 11177] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11181 attached
, child_tidptr=0x5555574e8650) = 11181
[pid 11181] set_robust_list(0x5555574e8660, 24) = 0
[pid 11181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11181] setpgid(0, 0)               = 0
[pid 11181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11181] write(3, "1000", 4)         = 4
[pid 11181] close(3)                    = 0
[pid 11181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.821298][T11177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11181] close(5)                    = 0
[pid 11181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11184 attached
) = 11184
[pid 11181] tkill(11184, SIGSTOP)       = 0
[pid 11184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11181, si_uid=65534} ---
[pid 11184] --- stopped by SIGSTOP ---
[pid 11181] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11181] <... exit_group resumed>)   = ?
[pid 11181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11185 attached
, child_tidptr=0x5555574e8650) = 11185
[pid 11185] set_robust_list(0x5555574e8660, 24) = 0
[pid 11185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11185] setpgid(0, 0)               = 0
[pid 11185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11185] write(3, "1000", 4)         = 4
[pid 11185] close(3)                    = 0
[pid 11185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.875316][T11181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11185] close(5)                    = 0
[pid 11185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11188 attached
) = 11188
[pid 11185] tkill(11188, SIGSTOP)       = 0
[pid 11185] exit_group(0 <unfinished ...>
[pid 11188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11185, si_uid=65534} ---
[pid 11185] <... exit_group resumed>)   = ?
[pid 11188] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11185] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11189 attached
, child_tidptr=0x5555574e8650) = 11189
[pid 11189] set_robust_list(0x5555574e8660, 24) = 0
[pid 11189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11189] setpgid(0, 0)               = 0
[pid 11189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11189] write(3, "1000", 4)         = 4
[pid 11189] close(3)                    = 0
[pid 11189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.916894][T11185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11189] close(5)                    = 0
[pid 11189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11192 attached
) = 11192
[pid 11189] tkill(11192, SIGSTOP)       = 0
[pid 11192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11189, si_uid=65534} ---
[pid 11189] exit_group(0 <unfinished ...>
[pid 11192] --- stopped by SIGSTOP ---
[pid 11189] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11189] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11193 attached
, child_tidptr=0x5555574e8650) = 11193
[pid 11193] set_robust_list(0x5555574e8660, 24) = 0
[pid 11193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11193] setpgid(0, 0)               = 0
[pid 11193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11193] write(3, "1000", 4)         = 4
[pid 11193] close(3)                    = 0
[pid 11193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  144.978258][T11189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11193] close(5)                    = 0
[pid 11193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11196 attached
) = 11196
[pid 11193] tkill(11196, SIGSTOP)       = 0
[pid 11193] exit_group(0)               = ?
[pid 11196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11193, si_uid=65534} ---
[pid 11196] --- stopped by SIGSTOP ---
[pid 11193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11197 attached
, child_tidptr=0x5555574e8650) = 11197
[pid 11197] set_robust_list(0x5555574e8660, 24) = 0
[pid 11197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11197] setpgid(0, 0)               = 0
[pid 11197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11197] write(3, "1000", 4)         = 4
[pid 11197] close(3)                    = 0
[pid 11197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11197] close(5)                    = 0
[pid 11197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11200 attached
) = 11200
[pid 11197] tkill(11200, SIGSTOP)       = 0
[pid 11197] exit_group(0 <unfinished ...>
[pid 11200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11197, si_uid=65534} ---
[pid 11197] <... exit_group resumed>)   = ?
[pid 11200] --- stopped by SIGSTOP ---
[pid 11197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11201 attached
, child_tidptr=0x5555574e8650) = 11201
[pid 11201] set_robust_list(0x5555574e8660, 24) = 0
[pid 11201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11201] setpgid(0, 0)               = 0
[pid 11201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11201] write(3, "1000", 4)         = 4
[pid 11201] close(3)                    = 0
[pid 11201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.040206][T11193] vhci_hcd vhci_hcd.0: port 0 already used
[  145.076682][T11197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11201] close(5)                    = 0
[pid 11201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11204 attached
) = 11204
[pid 11201] tkill(11204, SIGSTOP)       = 0
[pid 11204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11201, si_uid=65534} ---
[pid 11201] exit_group(0 <unfinished ...>
[pid 11204] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11201] <... exit_group resumed>)   = ?
[pid 11201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11205 attached
, child_tidptr=0x5555574e8650) = 11205
[pid 11205] set_robust_list(0x5555574e8660, 24) = 0
[pid 11205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11205] setpgid(0, 0)               = 0
[pid 11205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11205] write(3, "1000", 4)         = 4
[pid 11205] close(3)                    = 0
[pid 11205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.117401][T11201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11205] close(5)                    = 0
[pid 11205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11208 attached
) = 11208
[pid 11205] tkill(11208, SIGSTOP)       = 0
[pid 11208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11205, si_uid=65534} ---
[pid 11205] exit_group(0 <unfinished ...>
[pid 11208] --- stopped by SIGSTOP ---
[pid 11205] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11209 attached
, child_tidptr=0x5555574e8650) = 11209
[pid 11209] set_robust_list(0x5555574e8660, 24) = 0
[pid 11209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11209] setpgid(0, 0)               = 0
[pid 11209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11209] write(3, "1000", 4)         = 4
[pid 11209] close(3)                    = 0
[pid 11209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.161050][T11205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11209] close(5)                    = 0
[pid 11209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11212 attached
) = 11212
[pid 11209] tkill(11212, SIGSTOP)       = 0
[pid 11212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11209, si_uid=65534} ---
[pid 11212] --- stopped by SIGSTOP ---
[pid 11209] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11209] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11213 attached
, child_tidptr=0x5555574e8650) = 11213
[pid 11213] set_robust_list(0x5555574e8660, 24) = 0
[pid 11213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11213] setpgid(0, 0)               = 0
[pid 11213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11213] write(3, "1000", 4)         = 4
[pid 11213] close(3)                    = 0
[pid 11213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.213699][T11209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11213] close(5)                    = 0
[pid 11213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11216 attached
) = 11216
[pid 11213] tkill(11216, SIGSTOP)       = 0
[pid 11216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11213, si_uid=65534} ---
[pid 11213] exit_group(0 <unfinished ...>
[pid 11216] --- stopped by SIGSTOP ---
[pid 11213] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11213] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11213, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11217 attached
, child_tidptr=0x5555574e8650) = 11217
[pid 11217] set_robust_list(0x5555574e8660, 24) = 0
[pid 11217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11217] setpgid(0, 0)               = 0
[pid 11217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11217] write(3, "1000", 4)         = 4
[pid 11217] close(3)                    = 0
[pid 11217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.258173][T11213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11217] close(5)                    = 0
[pid 11217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11220 attached
) = 11220
[pid 11217] tkill(11220, SIGSTOP)       = 0
[pid 11217] exit_group(0 <unfinished ...>
[pid 11220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11217, si_uid=65534} ---
[pid 11217] <... exit_group resumed>)   = ?
[pid 11220] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11221 attached
, child_tidptr=0x5555574e8650) = 11221
[pid 11221] set_robust_list(0x5555574e8660, 24) = 0
[pid 11221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11221] setpgid(0, 0)               = 0
[pid 11221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11221] write(3, "1000", 4)         = 4
[pid 11221] close(3)                    = 0
[pid 11221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  145.307997][T11217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11221] close(5)                    = 0
[pid 11221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11224 attached
) = 11224
[pid 11221] tkill(11224, SIGSTOP)       = 0
[pid 11221] exit_group(0 <unfinished ...>
[pid 11224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11221, si_uid=65534} ---
[pid 11221] <... exit_group resumed>)   = ?
[pid 11224] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11221, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11225 attached
, child_tidptr=0x5555574e8650) = 11225
[pid 11225] set_robust_list(0x5555574e8660, 24) = 0
[pid 11225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11225] setpgid(0, 0)               = 0
[pid 11225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11225] write(3, "1000", 4)         = 4
[pid 11225] close(3)                    = 0
[pid 11225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.371205][T11221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11225] close(5)                    = 0
[pid 11225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11228 attached
) = 11228
[pid 11225] tkill(11228, SIGSTOP)       = 0
[pid 11228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11225, si_uid=65534} ---
[pid 11228] --- stopped by SIGSTOP ---
[pid 11225] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11225] <... exit_group resumed>)   = ?
[pid 11225] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11229 attached
, child_tidptr=0x5555574e8650) = 11229
[pid 11229] set_robust_list(0x5555574e8660, 24) = 0
[pid 11229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11229] setpgid(0, 0)               = 0
[pid 11229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11229] write(3, "1000", 4)         = 4
[pid 11229] close(3)                    = 0
[pid 11229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.417018][T11225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11229] close(5)                    = 0
[pid 11229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11232 attached
) = 11232
[pid 11229] tkill(11232, SIGSTOP)       = 0
[pid 11232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11229, si_uid=65534} ---
[pid 11229] exit_group(0 <unfinished ...>
[pid 11232] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11229] <... exit_group resumed>)   = ?
[pid 11229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11233 attached
, child_tidptr=0x5555574e8650) = 11233
[pid 11233] set_robust_list(0x5555574e8660, 24) = 0
[pid 11233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11233] setpgid(0, 0)               = 0
[pid 11233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11233] write(3, "1000", 4)         = 4
[pid 11233] close(3)                    = 0
[pid 11233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.469263][T11229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11233] close(5)                    = 0
[pid 11233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11236 attached
) = 11236
[pid 11233] tkill(11236, SIGSTOP)       = 0
[pid 11236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11233, si_uid=65534} ---
[pid 11233] exit_group(0)               = ?
[pid 11236] --- stopped by SIGSTOP ---
[pid 11233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11237 attached
, child_tidptr=0x5555574e8650) = 11237
[pid 11237] set_robust_list(0x5555574e8660, 24) = 0
[pid 11237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11237] setpgid(0, 0)               = 0
[pid 11237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11237] write(3, "1000", 4)         = 4
[pid 11237] close(3)                    = 0
[pid 11237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.523179][T11233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11237] close(5)                    = 0
[pid 11237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11240 attached
) = 11240
[pid 11237] tkill(11240, SIGSTOP)       = 0
[pid 11240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11237, si_uid=65534} ---
[pid 11237] exit_group(0 <unfinished ...>
[pid 11240] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11237] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11237] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11241 attached
, child_tidptr=0x5555574e8650) = 11241
[pid 11241] set_robust_list(0x5555574e8660, 24) = 0
[pid 11241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11241] setpgid(0, 0)               = 0
[pid 11241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11241] write(3, "1000", 4)         = 4
[pid 11241] close(3)                    = 0
[pid 11241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11241] close(5)                    = 0
[pid 11241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11244 attached
) = 11244
[pid 11241] tkill(11244, SIGSTOP)       = 0
[pid 11244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11241, si_uid=65534} ---
[pid 11241] exit_group(0 <unfinished ...>
[pid 11244] --- stopped by SIGSTOP ---
[pid 11241] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11241] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11245 attached
, child_tidptr=0x5555574e8650) = 11245
[pid 11245] set_robust_list(0x5555574e8660, 24) = 0
[pid 11245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11245] setpgid(0, 0)               = 0
[pid 11245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11245] write(3, "1000", 4)         = 4
[pid 11245] close(3)                    = 0
[pid 11245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.563657][T11237] vhci_hcd vhci_hcd.0: port 0 already used
[  145.602112][T11241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11245] close(5)                    = 0
[pid 11245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11248 attached
) = 11248
[pid 11245] tkill(11248, SIGSTOP)       = 0
[pid 11248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11245, si_uid=65534} ---
[pid 11248] --- stopped by SIGSTOP ---
[pid 11245] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11245] <... exit_group resumed>)   = ?
[pid 11245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11249 attached
, child_tidptr=0x5555574e8650) = 11249
[pid 11249] set_robust_list(0x5555574e8660, 24) = 0
[pid 11249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11249] setpgid(0, 0)               = 0
[pid 11249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11249] write(3, "1000", 4)         = 4
[pid 11249] close(3)                    = 0
[pid 11249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.643215][T11245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11249] close(5)                    = 0
[pid 11249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11252 attached
) = 11252
[pid 11249] tkill(11252, SIGSTOP)       = 0
[pid 11249] exit_group(0 <unfinished ...>
[pid 11252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11249, si_uid=65534} ---
[pid 11249] <... exit_group resumed>)   = ?
[pid 11252] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11249, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11253 attached
, child_tidptr=0x5555574e8650) = 11253
[pid 11253] set_robust_list(0x5555574e8660, 24) = 0
[pid 11253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11253] setpgid(0, 0)               = 0
[pid 11253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11253] write(3, "1000", 4)         = 4
[pid 11253] close(3)                    = 0
[pid 11253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.687453][T11249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11253] close(5)                    = 0
[pid 11253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11256 attached
) = 11256
[pid 11253] tkill(11256, SIGSTOP)       = 0
[pid 11256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11253, si_uid=65534} ---
[pid 11253] exit_group(0 <unfinished ...>
[pid 11256] --- stopped by SIGSTOP ---
[pid 11253] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11253, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11257 attached
, child_tidptr=0x5555574e8650) = 11257
[pid 11257] set_robust_list(0x5555574e8660, 24) = 0
[pid 11257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11257] setpgid(0, 0)               = 0
[pid 11257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11257] write(3, "1000", 4)         = 4
[pid 11257] close(3)                    = 0
[pid 11257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.731279][T11253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11257] close(5)                    = 0
[pid 11257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11260 attached
) = 11260
[pid 11257] tkill(11260, SIGSTOP)       = 0
[pid 11257] exit_group(0)               = ?
[pid 11260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11257, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11260] --- stopped by SIGSTOP ---
[pid 11257] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11261 attached
, child_tidptr=0x5555574e8650) = 11261
[pid 11261] set_robust_list(0x5555574e8660, 24) = 0
[pid 11261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11261] setpgid(0, 0)               = 0
[pid 11261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11261] write(3, "1000", 4)         = 4
[pid 11261] close(3)                    = 0
[pid 11261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.774219][T11257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11261] close(5)                    = 0
[pid 11261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11264 attached
) = 11264
[pid 11261] tkill(11264, SIGSTOP)       = 0
[pid 11264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11261, si_uid=65534} ---
[pid 11261] exit_group(0 <unfinished ...>
[pid 11264] --- stopped by SIGSTOP ---
[pid 11261] <... exit_group resumed>)   = ?
[pid 11261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11265 attached
, child_tidptr=0x5555574e8650) = 11265
[pid 11265] set_robust_list(0x5555574e8660, 24) = 0
[pid 11265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11265] setpgid(0, 0)               = 0
[pid 11265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11265] write(3, "1000", 4)         = 4
[pid 11265] close(3)                    = 0
[pid 11265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.818466][T11261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11265] close(5)                    = 0
[pid 11265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11268 attached
) = 11268
[pid 11265] tkill(11268, SIGSTOP)       = 0
[pid 11268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11265, si_uid=65534} ---
[pid 11265] exit_group(0 <unfinished ...>
[pid 11268] --- stopped by SIGSTOP ---
[pid 11265] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11265, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11269 attached
, child_tidptr=0x5555574e8650) = 11269
[pid 11269] set_robust_list(0x5555574e8660, 24) = 0
[pid 11269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11269] setpgid(0, 0)               = 0
[pid 11269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11269] write(3, "1000", 4)         = 4
[pid 11269] close(3)                    = 0
[pid 11269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.861919][T11265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11269] close(5)                    = 0
[pid 11269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11272 attached
) = 11272
[pid 11269] tkill(11272, SIGSTOP)       = 0
[pid 11272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11269, si_uid=65534} ---
[pid 11269] exit_group(0 <unfinished ...>
[pid 11272] --- stopped by SIGSTOP ---
[pid 11269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11269] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11273 attached
, child_tidptr=0x5555574e8650) = 11273
[pid 11273] set_robust_list(0x5555574e8660, 24) = 0
[pid 11273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11273] setpgid(0, 0)               = 0
[pid 11273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11273] write(3, "1000", 4)         = 4
[pid 11273] close(3)                    = 0
[pid 11273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.917155][T11269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11273] close(5)                    = 0
[pid 11273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11276 attached
) = 11276
[pid 11273] tkill(11276, SIGSTOP)       = 0
[pid 11276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11273, si_uid=65534} ---
[pid 11273] exit_group(0 <unfinished ...>
[pid 11276] --- stopped by SIGSTOP ---
[pid 11273] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11277 attached
, child_tidptr=0x5555574e8650) = 11277
[pid 11277] set_robust_list(0x5555574e8660, 24) = 0
[pid 11277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11277] setpgid(0, 0)               = 0
[pid 11277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11277] write(3, "1000", 4)         = 4
[pid 11277] close(3)                    = 0
[pid 11277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  145.958377][T11273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11277] close(5)                    = 0
[pid 11277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11280 attached
) = 11280
[pid 11277] tkill(11280, SIGSTOP)       = 0
[pid 11280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11277, si_uid=65534} ---
[pid 11277] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11280] --- stopped by SIGSTOP ---
[pid 11277] <... exit_group resumed>)   = ?
[pid 11277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11281 attached
, child_tidptr=0x5555574e8650) = 11281
[pid 11281] set_robust_list(0x5555574e8660, 24) = 0
[pid 11281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11281] setpgid(0, 0)               = 0
[pid 11281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11281] write(3, "1000", 4)         = 4
[pid 11281] close(3)                    = 0
[pid 11281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.011893][T11277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11281] close(5)                    = 0
[pid 11281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11284 attached
) = 11284
[pid 11281] tkill(11284, SIGSTOP)       = 0
[pid 11284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11281, si_uid=65534} ---
[pid 11281] exit_group(0 <unfinished ...>
[pid 11284] --- stopped by SIGSTOP ---
[pid 11281] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11285 attached
, child_tidptr=0x5555574e8650) = 11285
[pid 11285] set_robust_list(0x5555574e8660, 24) = 0
[pid 11285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11285] setpgid(0, 0)               = 0
[pid 11285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11285] write(3, "1000", 4)         = 4
[pid 11285] close(3)                    = 0
[pid 11285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.055873][T11281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11285] close(5)                    = 0
[pid 11285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11288 attached
) = 11288
[pid 11285] tkill(11288, SIGSTOP)       = 0
[pid 11285] exit_group(0 <unfinished ...>
[pid 11288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11285, si_uid=65534} ---
[pid 11285] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11288] --- stopped by SIGSTOP ---
[pid 11285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11289 attached
, child_tidptr=0x5555574e8650) = 11289
[pid 11289] set_robust_list(0x5555574e8660, 24) = 0
[pid 11289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11289] setpgid(0, 0)               = 0
[pid 11289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11289] write(3, "1000", 4)         = 4
[pid 11289] close(3)                    = 0
[pid 11289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.098590][T11285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11289] close(5)                    = 0
[pid 11289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11292 attached
) = 11292
[pid 11289] tkill(11292, SIGSTOP)       = 0
[pid 11292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11289, si_uid=65534} ---
[pid 11289] exit_group(0 <unfinished ...>
[pid 11292] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11289] <... exit_group resumed>)   = ?
[pid 11289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11289, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11293 attached
, child_tidptr=0x5555574e8650) = 11293
[pid 11293] set_robust_list(0x5555574e8660, 24) = 0
[pid 11293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11293] setpgid(0, 0)               = 0
[pid 11293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11293] write(3, "1000", 4)         = 4
[pid 11293] close(3)                    = 0
[pid 11293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.149539][T11289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11293] close(5)                    = 0
[pid 11293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11296 attached
) = 11296
[pid 11293] tkill(11296, SIGSTOP)       = 0
[pid 11293] exit_group(0 <unfinished ...>
[pid 11296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11293, si_uid=65534} ---
[pid 11296] --- stopped by SIGSTOP ---
[pid 11293] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11297 attached
, child_tidptr=0x5555574e8650) = 11297
[pid 11297] set_robust_list(0x5555574e8660, 24) = 0
[pid 11297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11297] setpgid(0, 0)               = 0
[pid 11297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11297] write(3, "1000", 4)         = 4
[pid 11297] close(3)                    = 0
[pid 11297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.212142][T11293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11297] close(5)                    = 0
[pid 11297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11300 attached
) = 11300
[pid 11297] tkill(11300, SIGSTOP)       = 0
[pid 11300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11297, si_uid=65534} ---
[pid 11300] --- stopped by SIGSTOP ---
[pid 11297] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11297] <... exit_group resumed>)   = ?
[pid 11297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11301 attached
, child_tidptr=0x5555574e8650) = 11301
[pid 11301] set_robust_list(0x5555574e8660, 24) = 0
[pid 11301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11301] setpgid(0, 0)               = 0
[pid 11301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11301] write(3, "1000", 4)         = 4
[pid 11301] close(3)                    = 0
[pid 11301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.254557][T11297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11301] close(5)                    = 0
[pid 11301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11304 attached
) = 11304
[pid 11301] tkill(11304, SIGSTOP)       = 0
[pid 11304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11301, si_uid=65534} ---
[pid 11301] exit_group(0 <unfinished ...>
[pid 11304] --- stopped by SIGSTOP ---
[pid 11301] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11301] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11305 attached
, child_tidptr=0x5555574e8650) = 11305
[pid 11305] set_robust_list(0x5555574e8660, 24) = 0
[pid 11305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11305] setpgid(0, 0)               = 0
[pid 11305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11305] write(3, "1000", 4)         = 4
[pid 11305] close(3)                    = 0
[pid 11305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.296326][T11301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11305] close(5)                    = 0
[pid 11305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11308 attached
) = 11308
[pid 11305] tkill(11308, SIGSTOP)       = 0
[pid 11308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11305, si_uid=65534} ---
[pid 11305] exit_group(0 <unfinished ...>
[pid 11308] --- stopped by SIGSTOP ---
[pid 11305] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11305, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11309 attached
, child_tidptr=0x5555574e8650) = 11309
[pid 11309] set_robust_list(0x5555574e8660, 24) = 0
[pid 11309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11309] setpgid(0, 0)               = 0
[pid 11309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11309] write(3, "1000", 4)         = 4
[pid 11309] close(3)                    = 0
[pid 11309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.338131][T11305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11309] close(5)                    = 0
[pid 11309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11312 attached
) = 11312
[pid 11309] tkill(11312, SIGSTOP)       = 0
[pid 11312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11309, si_uid=65534} ---
[pid 11312] --- stopped by SIGSTOP ---
[pid 11309] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11309] <... exit_group resumed>)   = ?
[pid 11309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11309, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11313 attached
, child_tidptr=0x5555574e8650) = 11313
[pid 11313] set_robust_list(0x5555574e8660, 24) = 0
[pid 11313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11313] setpgid(0, 0)               = 0
[pid 11313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11313] write(3, "1000", 4)         = 4
[pid 11313] close(3)                    = 0
[pid 11313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.379536][T11309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11313] close(5)                    = 0
[pid 11313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11316 attached
) = 11316
[pid 11313] tkill(11316, SIGSTOP)       = 0
[pid 11316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11313, si_uid=65534} ---
[pid 11313] exit_group(0 <unfinished ...>
[pid 11316] --- stopped by SIGSTOP ---
[pid 11313] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11313] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11313, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11317 attached
, child_tidptr=0x5555574e8650) = 11317
[pid 11317] set_robust_list(0x5555574e8660, 24) = 0
[pid 11317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11317] setpgid(0, 0)               = 0
[pid 11317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11317] write(3, "1000", 4)         = 4
[pid 11317] close(3)                    = 0
[pid 11317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.433685][T11313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11317] close(5)                    = 0
[pid 11317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11320 attached
) = 11320
[pid 11317] tkill(11320, SIGSTOP)       = 0
[pid 11320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11317, si_uid=65534} ---
[pid 11317] exit_group(0 <unfinished ...>
[pid 11320] --- stopped by SIGSTOP ---
[pid 11317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11321 attached
, child_tidptr=0x5555574e8650) = 11321
[pid 11321] set_robust_list(0x5555574e8660, 24) = 0
[pid 11321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11321] setpgid(0, 0)               = 0
[pid 11321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11321] write(3, "1000", 4)         = 4
[pid 11321] close(3)                    = 0
[pid 11321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.476759][T11317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11321] close(5)                    = 0
[pid 11321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11324 attached
) = 11324
[pid 11321] tkill(11324, SIGSTOP)       = 0
[pid 11324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11321, si_uid=65534} ---
[pid 11321] exit_group(0 <unfinished ...>
[pid 11324] --- stopped by SIGSTOP ---
[pid 11321] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11321] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11325 attached
, child_tidptr=0x5555574e8650) = 11325
[pid 11325] set_robust_list(0x5555574e8660, 24) = 0
[pid 11325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11325] setpgid(0, 0)               = 0
[pid 11325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11325] write(3, "1000", 4)         = 4
[pid 11325] close(3)                    = 0
[pid 11325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.528449][T11321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11325] close(5)                    = 0
[pid 11325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11328 attached
) = 11328
[pid 11325] tkill(11328, SIGSTOP)       = 0
[pid 11328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11325, si_uid=65534} ---
[pid 11325] exit_group(0 <unfinished ...>
[pid 11328] --- stopped by SIGSTOP ---
[pid 11325] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11325, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11329 attached
, child_tidptr=0x5555574e8650) = 11329
[pid 11329] set_robust_list(0x5555574e8660, 24) = 0
[pid 11329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11329] setpgid(0, 0)               = 0
[pid 11329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11329] write(3, "1000", 4)         = 4
[pid 11329] close(3)                    = 0
[pid 11329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.581195][T11325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11329] close(5)                    = 0
[pid 11329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11332 attached
) = 11332
[pid 11329] tkill(11332, SIGSTOP)       = 0
[pid 11332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11329, si_uid=65534} ---
[pid 11329] exit_group(0 <unfinished ...>
[pid 11332] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11329] <... exit_group resumed>)   = ?
[pid 11329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11333 attached
, child_tidptr=0x5555574e8650) = 11333
[pid 11333] set_robust_list(0x5555574e8660, 24) = 0
[pid 11333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11333] setpgid(0, 0)               = 0
[pid 11333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11333] write(3, "1000", 4)         = 4
[pid 11333] close(3)                    = 0
[pid 11333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.625509][T11329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11333] close(5)                    = 0
[pid 11333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11336 attached
) = 11336
[pid 11333] tkill(11336, SIGSTOP)       = 0
[pid 11336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11333, si_uid=65534} ---
[pid 11333] exit_group(0 <unfinished ...>
[pid 11336] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11333] <... exit_group resumed>)   = ?
[pid 11333] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11337 attached
, child_tidptr=0x5555574e8650) = 11337
[pid 11337] set_robust_list(0x5555574e8660, 24) = 0
[pid 11337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11337] setpgid(0, 0)               = 0
[pid 11337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11337] write(3, "1000", 4)         = 4
[pid 11337] close(3)                    = 0
[pid 11337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.668709][T11333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11337] close(5)                    = 0
[pid 11337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11340 attached
) = 11340
[pid 11337] tkill(11340, SIGSTOP)       = 0
[pid 11340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11337, si_uid=65534} ---
[pid 11337] exit_group(0 <unfinished ...>
[pid 11340] --- stopped by SIGSTOP ---
[pid 11337] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11337] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11341 attached
, child_tidptr=0x5555574e8650) = 11341
[pid 11341] set_robust_list(0x5555574e8660, 24) = 0
[pid 11341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11341] setpgid(0, 0)               = 0
[pid 11341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11341] write(3, "1000", 4)         = 4
[pid 11341] close(3)                    = 0
[pid 11341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.712066][T11337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11341] close(5)                    = 0
[pid 11341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11344 attached
) = 11344
[pid 11341] tkill(11344, SIGSTOP)       = 0
[pid 11341] exit_group(0 <unfinished ...>
[pid 11344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11341, si_uid=65534} ---
[pid 11341] <... exit_group resumed>)   = ?
[pid 11344] --- stopped by SIGSTOP ---
[pid 11341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11345 attached
, child_tidptr=0x5555574e8650) = 11345
[pid 11345] set_robust_list(0x5555574e8660, 24) = 0
[pid 11345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11345] setpgid(0, 0)               = 0
[pid 11345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11345] write(3, "1000", 4)         = 4
[pid 11345] close(3)                    = 0
[pid 11345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.755718][T11341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11345] close(5)                    = 0
[pid 11345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11348 attached
) = 11348
[pid 11345] tkill(11348, SIGSTOP)       = 0
[pid 11348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11345, si_uid=65534} ---
[pid 11348] --- stopped by SIGSTOP ---
[pid 11345] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11345] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11349 attached
 <unfinished ...>
[pid 11349] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 11349
[pid 11349] <... set_robust_list resumed>) = 0
[pid 11349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11349] setpgid(0, 0)               = 0
[pid 11349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11349] write(3, "1000", 4)         = 4
[pid 11349] close(3)                    = 0
[pid 11349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11349] close(5)                    = 0
[pid 11349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11352 attached
) = 11352
[pid 11349] tkill(11352, SIGSTOP)       = 0
[pid 11352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11349, si_uid=65534} ---
[pid 11349] exit_group(0 <unfinished ...>
[pid 11352] --- stopped by SIGSTOP ---
[pid 11349] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11353 attached
, child_tidptr=0x5555574e8650) = 11353
[pid 11353] set_robust_list(0x5555574e8660, 24) = 0
[pid 11353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11353] setpgid(0, 0)               = 0
[pid 11353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11353] write(3, "1000", 4)         = 4
[pid 11353] close(3)                    = 0
[pid 11353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.798911][T11345] vhci_hcd vhci_hcd.0: port 0 already used
[  146.834632][T11349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11353] close(5)                    = 0
[pid 11353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11356 attached
) = 11356
[pid 11353] tkill(11356, SIGSTOP)       = 0
[pid 11353] exit_group(0 <unfinished ...>
[pid 11356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11353, si_uid=65534} ---
[pid 11353] <... exit_group resumed>)   = ?
[pid 11356] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11353, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11357 attached
, child_tidptr=0x5555574e8650) = 11357
[pid 11357] set_robust_list(0x5555574e8660, 24) = 0
[pid 11357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11357] setpgid(0, 0)               = 0
[pid 11357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11357] write(3, "1000", 4)         = 4
[pid 11357] close(3)                    = 0
[pid 11357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11357] close(5)                    = 0
[pid 11357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11360 attached
) = 11360
[pid 11357] tkill(11360, SIGSTOP)       = 0
[pid 11360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11357, si_uid=65534} ---
[pid 11360] --- stopped by SIGSTOP ---
[pid 11357] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11357] <... exit_group resumed>)   = ?
[pid 11357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11361 attached
, child_tidptr=0x5555574e8650) = 11361
[pid 11361] set_robust_list(0x5555574e8660, 24) = 0
[pid 11361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11361] setpgid(0, 0)               = 0
[pid 11361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11361] write(3, "1000", 4)         = 4
[pid 11361] close(3)                    = 0
[pid 11361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.875918][T11353] vhci_hcd vhci_hcd.0: port 0 already used
[  146.914292][T11357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11361] close(5)                    = 0
[pid 11361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11364 attached
) = 11364
[pid 11361] tkill(11364, SIGSTOP)       = 0
[pid 11364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11361, si_uid=65534} ---
[pid 11361] exit_group(0 <unfinished ...>
[pid 11364] --- stopped by SIGSTOP ---
[pid 11361] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11361] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11365 attached
, child_tidptr=0x5555574e8650) = 11365
[pid 11365] set_robust_list(0x5555574e8660, 24) = 0
[pid 11365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11365] setpgid(0, 0)               = 0
[pid 11365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11365] write(3, "1000", 4)         = 4
[pid 11365] close(3)                    = 0
[pid 11365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  146.959193][T11361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11365] close(5)                    = 0
[pid 11365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11368 attached
) = 11368
[pid 11365] tkill(11368, SIGSTOP)       = 0
[pid 11368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11365, si_uid=65534} ---
[pid 11365] exit_group(0 <unfinished ...>
[pid 11368] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11365] <... exit_group resumed>)   = ?
[pid 11365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11369 attached
, child_tidptr=0x5555574e8650) = 11369
[pid 11369] set_robust_list(0x5555574e8660, 24) = 0
[pid 11369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11369] setpgid(0, 0)               = 0
[pid 11369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11369] write(3, "1000", 4)         = 4
[pid 11369] close(3)                    = 0
[pid 11369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.018853][T11365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11369] close(5)                    = 0
[pid 11369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11372 attached
) = 11372
[pid 11369] tkill(11372, SIGSTOP)       = 0
[pid 11372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11369, si_uid=65534} ---
[pid 11369] exit_group(0 <unfinished ...>
[pid 11372] --- stopped by SIGSTOP ---
[pid 11369] <... exit_group resumed>)   = ?
[pid 11369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11373 attached
, child_tidptr=0x5555574e8650) = 11373
[pid 11373] set_robust_list(0x5555574e8660, 24) = 0
[pid 11373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11373] setpgid(0, 0)               = 0
[pid 11373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11373] write(3, "1000", 4)         = 4
[pid 11373] close(3)                    = 0
[pid 11373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.061499][T11369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11373] close(5)                    = 0
[pid 11373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11376 attached
) = 11376
[pid 11373] tkill(11376, SIGSTOP)       = 0
[pid 11376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11373, si_uid=65534} ---
[pid 11376] --- stopped by SIGSTOP ---
[pid 11373] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11373] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11373, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11377 attached
, child_tidptr=0x5555574e8650) = 11377
[pid 11377] set_robust_list(0x5555574e8660, 24) = 0
[pid 11377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11377] setpgid(0, 0)               = 0
[pid 11377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11377] write(3, "1000", 4)         = 4
[pid 11377] close(3)                    = 0
[pid 11377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.115770][T11373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11377] close(5)                    = 0
[pid 11377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11380 attached
) = 11380
[pid 11377] tkill(11380, SIGSTOP)       = 0
[pid 11380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11377, si_uid=65534} ---
[pid 11377] exit_group(0 <unfinished ...>
[pid 11380] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11377] <... exit_group resumed>)   = ?
[pid 11377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11381 attached
, child_tidptr=0x5555574e8650) = 11381
[pid 11381] set_robust_list(0x5555574e8660, 24) = 0
[pid 11381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11381] setpgid(0, 0)               = 0
[pid 11381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11381] write(3, "1000", 4)         = 4
[pid 11381] close(3)                    = 0
[pid 11381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.160434][T11377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11381] close(5)                    = 0
[pid 11381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11384 attached
) = 11384
[pid 11381] tkill(11384, SIGSTOP)       = 0
[pid 11381] exit_group(0)               = ?
[pid 11384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11381, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11384] --- stopped by SIGSTOP ---
[pid 11381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11385 attached
, child_tidptr=0x5555574e8650) = 11385
[pid 11385] set_robust_list(0x5555574e8660, 24) = 0
[pid 11385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11385] setpgid(0, 0)               = 0
[pid 11385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11385] write(3, "1000", 4)         = 4
[pid 11385] close(3)                    = 0
[pid 11385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.214641][T11381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11385] close(5)                    = 0
[pid 11385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11388 attached
) = 11388
[pid 11385] tkill(11388, SIGSTOP)       = 0
[pid 11388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11385, si_uid=65534} ---
[pid 11388] --- stopped by SIGSTOP ---
[pid 11385] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11385] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 11385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11389 attached
, child_tidptr=0x5555574e8650) = 11389
[pid 11389] set_robust_list(0x5555574e8660, 24) = 0
[pid 11389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11389] setpgid(0, 0)               = 0
[pid 11389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11389] write(3, "1000", 4)         = 4
[pid 11389] close(3)                    = 0
[pid 11389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.277967][T11385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11389] close(5)                    = 0
[pid 11389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11392 attached
) = 11392
[pid 11389] tkill(11392, SIGSTOP)       = 0
[pid 11392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11389, si_uid=65534} ---
[pid 11389] exit_group(0 <unfinished ...>
[pid 11392] --- stopped by SIGSTOP ---
[pid 11389] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11393 attached
, child_tidptr=0x5555574e8650) = 11393
[pid 11393] set_robust_list(0x5555574e8660, 24) = 0
[pid 11393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11393] setpgid(0, 0)               = 0
[pid 11393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11393] write(3, "1000", 4)         = 4
[pid 11393] close(3)                    = 0
[pid 11393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.322959][T11389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11393] close(5)                    = 0
[pid 11393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11396 attached
) = 11396
[pid 11393] tkill(11396, SIGSTOP)       = 0
[pid 11393] exit_group(0 <unfinished ...>
[pid 11396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11393, si_uid=65534} ---
[pid 11393] <... exit_group resumed>)   = ?
[pid 11396] --- stopped by SIGSTOP ---
[pid 11393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11397 attached
, child_tidptr=0x5555574e8650) = 11397
[pid 11397] set_robust_list(0x5555574e8660, 24) = 0
[pid 11397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11397] setpgid(0, 0)               = 0
[pid 11397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11397] write(3, "1000", 4)         = 4
[pid 11397] close(3)                    = 0
[pid 11397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.384935][T11393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11397] close(5)                    = 0
[pid 11397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11400 attached
) = 11400
[pid 11397] tkill(11400, SIGSTOP)       = 0
[pid 11400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11397, si_uid=65534} ---
[pid 11400] --- stopped by SIGSTOP ---
[pid 11397] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11401 attached
, child_tidptr=0x5555574e8650) = 11401
[pid 11401] set_robust_list(0x5555574e8660, 24) = 0
[pid 11401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11401] setpgid(0, 0)               = 0
[pid 11401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11401] write(3, "1000", 4)         = 4
[pid 11401] close(3)                    = 0
[pid 11401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  147.426257][T11397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11401] close(5)                    = 0
[pid 11401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11404 attached
) = 11404
[pid 11401] tkill(11404, SIGSTOP)       = 0
[pid 11401] exit_group(0 <unfinished ...>
[pid 11404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11401, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11404] --- stopped by SIGSTOP ---
[pid 11401] <... exit_group resumed>)   = ?
[pid 11401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11405 attached
, child_tidptr=0x5555574e8650) = 11405
[pid 11405] set_robust_list(0x5555574e8660, 24) = 0
[pid 11405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11405] setpgid(0, 0)               = 0
[pid 11405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11405] write(3, "1000", 4)         = 4
[pid 11405] close(3)                    = 0
[pid 11405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.490542][T11401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11405] close(5)                    = 0
[pid 11405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11408 attached
) = 11408
[pid 11405] tkill(11408, SIGSTOP)       = 0
[pid 11408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11405, si_uid=65534} ---
[pid 11405] exit_group(0 <unfinished ...>
[pid 11408] --- stopped by SIGSTOP ---
[pid 11405] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11405, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11409 attached
, child_tidptr=0x5555574e8650) = 11409
[pid 11409] set_robust_list(0x5555574e8660, 24) = 0
[pid 11409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11409] setpgid(0, 0)               = 0
[pid 11409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11409] write(3, "1000", 4)         = 4
[pid 11409] close(3)                    = 0
[pid 11409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.553547][T11405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11409] close(5)                    = 0
[pid 11409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11412 attached
) = 11412
[pid 11409] tkill(11412, SIGSTOP)       = 0
[pid 11412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11409, si_uid=65534} ---
[pid 11409] exit_group(0 <unfinished ...>
[pid 11412] --- stopped by SIGSTOP ---
[pid 11409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11409, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11413 attached
, child_tidptr=0x5555574e8650) = 11413
[pid 11413] set_robust_list(0x5555574e8660, 24) = 0
[pid 11413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11413] setpgid(0, 0)               = 0
[pid 11413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11413] write(3, "1000", 4)         = 4
[pid 11413] close(3)                    = 0
[pid 11413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.604864][T11409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11413] close(5)                    = 0
[pid 11413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11416 attached
) = 11416
[pid 11413] tkill(11416, SIGSTOP)       = 0
[pid 11416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11413, si_uid=65534} ---
[pid 11413] exit_group(0 <unfinished ...>
[pid 11416] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11413] <... exit_group resumed>)   = ?
[pid 11413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11413, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11417 attached
, child_tidptr=0x5555574e8650) = 11417
[pid 11417] set_robust_list(0x5555574e8660, 24) = 0
[pid 11417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11417] setpgid(0, 0)               = 0
[pid 11417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11417] write(3, "1000", 4)         = 4
[pid 11417] close(3)                    = 0
[pid 11417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.650025][T11413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11417] close(5)                    = 0
[pid 11417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11420 attached
) = 11420
[pid 11417] tkill(11420, SIGSTOP)       = 0
[pid 11420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11417, si_uid=65534} ---
[pid 11417] exit_group(0 <unfinished ...>
[pid 11420] --- stopped by SIGSTOP ---
[pid 11417] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11417, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11421 attached
, child_tidptr=0x5555574e8650) = 11421
[pid 11421] set_robust_list(0x5555574e8660, 24) = 0
[pid 11421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11421] setpgid(0, 0)               = 0
[pid 11421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11421] write(3, "1000", 4)         = 4
[pid 11421] close(3)                    = 0
[pid 11421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.693390][T11417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11421] close(5)                    = 0
[pid 11421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11424 attached
) = 11424
[pid 11421] tkill(11424, SIGSTOP)       = 0
[pid 11421] exit_group(0 <unfinished ...>
[pid 11424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11421, si_uid=65534} ---
[pid 11421] <... exit_group resumed>)   = ?
[pid 11424] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11425 attached
, child_tidptr=0x5555574e8650) = 11425
[pid 11425] set_robust_list(0x5555574e8660, 24) = 0
[pid 11425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11425] setpgid(0, 0)               = 0
[pid 11425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11425] write(3, "1000", 4)         = 4
[pid 11425] close(3)                    = 0
[pid 11425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.738722][T11421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11425] close(5)                    = 0
[pid 11425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11428 attached
) = 11428
[pid 11425] tkill(11428, SIGSTOP <unfinished ...>
[pid 11428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11425, si_uid=65534} ---
[pid 11425] <... tkill resumed>)        = 0
[pid 11428] --- stopped by SIGSTOP ---
[pid 11425] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11425] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11429 attached
, child_tidptr=0x5555574e8650) = 11429
[pid 11429] set_robust_list(0x5555574e8660, 24) = 0
[pid 11429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11429] setpgid(0, 0)               = 0
[pid 11429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11429] write(3, "1000", 4)         = 4
[pid 11429] close(3)                    = 0
[pid 11429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.780169][T11425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11429] close(5)                    = 0
[pid 11429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11432 attached
) = 11432
[pid 11429] tkill(11432, SIGSTOP)       = 0
[pid 11429] exit_group(0 <unfinished ...>
[pid 11432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11429, si_uid=65534} ---
[pid 11429] <... exit_group resumed>)   = ?
[pid 11432] --- stopped by SIGSTOP ---
[pid 11429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11433 attached
, child_tidptr=0x5555574e8650) = 11433
[pid 11433] set_robust_list(0x5555574e8660, 24) = 0
[pid 11433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11433] setpgid(0, 0)               = 0
[pid 11433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11433] write(3, "1000", 4)         = 4
[pid 11433] close(3)                    = 0
[pid 11433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.821959][T11429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11433] close(5)                    = 0
[pid 11433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11436 attached
) = 11436
[pid 11433] tkill(11436, SIGSTOP)       = 0
[pid 11433] exit_group(0 <unfinished ...>
[pid 11436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11433, si_uid=65534} ---
[pid 11433] <... exit_group resumed>)   = ?
[pid 11436] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11433] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11433, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11437 attached
, child_tidptr=0x5555574e8650) = 11437
[pid 11437] set_robust_list(0x5555574e8660, 24) = 0
[pid 11437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11437] setpgid(0, 0)               = 0
[pid 11437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11437] write(3, "1000", 4)         = 4
[pid 11437] close(3)                    = 0
[pid 11437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.864434][T11433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11437] close(5)                    = 0
[pid 11437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11440 attached
) = 11440
[pid 11437] tkill(11440, SIGSTOP)       = 0
[pid 11440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11437, si_uid=65534} ---
[pid 11437] exit_group(0 <unfinished ...>
[pid 11440] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11437] <... exit_group resumed>)   = ?
[pid 11437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11441 attached
, child_tidptr=0x5555574e8650) = 11441
[pid 11441] set_robust_list(0x5555574e8660, 24) = 0
[pid 11441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11441] setpgid(0, 0)               = 0
[pid 11441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11441] write(3, "1000", 4)         = 4
[pid 11441] close(3)                    = 0
[pid 11441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.905591][T11437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11441] close(5)                    = 0
[pid 11441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11444 attached
) = 11444
[pid 11441] tkill(11444, SIGSTOP)       = 0
[pid 11441] exit_group(0 <unfinished ...>
[pid 11444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11441, si_uid=65534} ---
[pid 11441] <... exit_group resumed>)   = ?
[pid 11444] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11445 attached
, child_tidptr=0x5555574e8650) = 11445
[pid 11445] set_robust_list(0x5555574e8660, 24) = 0
[pid 11445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11445] setpgid(0, 0)               = 0
[pid 11445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11445] write(3, "1000", 4)         = 4
[pid 11445] close(3)                    = 0
[pid 11445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  147.952941][T11441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11445] close(5)                    = 0
[pid 11445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11448 attached
) = 11448
[pid 11445] tkill(11448, SIGSTOP)       = 0
[pid 11448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11445, si_uid=65534} ---
[pid 11448] --- stopped by SIGSTOP ---
[pid 11445] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11445, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11449 attached
, child_tidptr=0x5555574e8650) = 11449
[pid 11449] set_robust_list(0x5555574e8660, 24) = 0
[pid 11449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11449] setpgid(0, 0)               = 0
[pid 11449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11449] write(3, "1000", 4)         = 4
[pid 11449] close(3)                    = 0
[pid 11449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  147.997035][T11445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11449] close(5)                    = 0
[pid 11449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11452 attached
) = 11452
[pid 11449] tkill(11452, SIGSTOP)       = 0
[pid 11452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11449, si_uid=65534} ---
[pid 11449] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11452] --- stopped by SIGSTOP ---
[pid 11449] <... exit_group resumed>)   = ?
[pid 11449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11453 attached
, child_tidptr=0x5555574e8650) = 11453
[pid 11453] set_robust_list(0x5555574e8660, 24) = 0
[pid 11453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11453] setpgid(0, 0)               = 0
[pid 11453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11453] write(3, "1000", 4)         = 4
[pid 11453] close(3)                    = 0
[pid 11453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.063074][T11449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11453] close(5)                    = 0
[pid 11453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11456 attached
) = 11456
[pid 11453] tkill(11456, SIGSTOP)       = 0
[pid 11456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11453, si_uid=65534} ---
[pid 11453] exit_group(0 <unfinished ...>
[pid 11456] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11453] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11457 attached
, child_tidptr=0x5555574e8650) = 11457
[pid 11457] set_robust_list(0x5555574e8660, 24) = 0
[pid 11457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11457] setpgid(0, 0)               = 0
[pid 11457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11457] write(3, "1000", 4)         = 4
[pid 11457] close(3)                    = 0
[pid 11457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.116849][T11453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11457] close(5)                    = 0
[pid 11457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11460 attached
) = 11460
[pid 11457] tkill(11460, SIGSTOP)       = 0
[pid 11460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11457, si_uid=65534} ---
[pid 11457] exit_group(0 <unfinished ...>
[pid 11460] --- stopped by SIGSTOP ---
[pid 11457] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11461 attached
, child_tidptr=0x5555574e8650) = 11461
[pid 11461] set_robust_list(0x5555574e8660, 24) = 0
[pid 11461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11461] setpgid(0, 0)               = 0
[pid 11461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11461] write(3, "1000", 4)         = 4
[pid 11461] close(3)                    = 0
[pid 11461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.159164][T11457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11461] close(5)                    = 0
[pid 11461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11464 attached
) = 11464
[pid 11461] tkill(11464, SIGSTOP)       = 0
[pid 11464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11461, si_uid=65534} ---
[pid 11464] --- stopped by SIGSTOP ---
[pid 11461] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11461, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11465 attached
, child_tidptr=0x5555574e8650) = 11465
[pid 11465] set_robust_list(0x5555574e8660, 24) = 0
[pid 11465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11465] setpgid(0, 0)               = 0
[pid 11465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11465] write(3, "1000", 4)         = 4
[pid 11465] close(3)                    = 0
[pid 11465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.204996][T11461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11465] close(5)                    = 0
[pid 11465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11468 attached
) = 11468
[pid 11465] tkill(11468, SIGSTOP)       = 0
[pid 11465] exit_group(0 <unfinished ...>
[pid 11468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11465, si_uid=65534} ---
[pid 11468] --- stopped by SIGSTOP ---
[pid 11465] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11469 attached
, child_tidptr=0x5555574e8650) = 11469
[pid 11469] set_robust_list(0x5555574e8660, 24) = 0
[pid 11469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11469] setpgid(0, 0)               = 0
[pid 11469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11469] write(3, "1000", 4)         = 4
[pid 11469] close(3)                    = 0
[pid 11469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.259383][T11465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11469] close(5)                    = 0
[pid 11469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11472 attached
) = 11472
[pid 11469] tkill(11472, SIGSTOP)       = 0
[pid 11472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11469, si_uid=65534} ---
[pid 11469] exit_group(0 <unfinished ...>
[pid 11472] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11469] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11469, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11473 attached
, child_tidptr=0x5555574e8650) = 11473
[pid 11473] set_robust_list(0x5555574e8660, 24) = 0
[pid 11473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11473] setpgid(0, 0)               = 0
[pid 11473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11473] write(3, "1000", 4)         = 4
[pid 11473] close(3)                    = 0
[pid 11473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.322671][T11469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11473] close(5)                    = 0
[pid 11473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11476 attached
) = 11476
[pid 11473] tkill(11476, SIGSTOP)       = 0
[pid 11473] exit_group(0)               = ?
[pid 11476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11473, si_uid=65534} ---
[pid 11476] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11477 attached
, child_tidptr=0x5555574e8650) = 11477
[pid 11477] set_robust_list(0x5555574e8660, 24) = 0
[pid 11477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11477] setpgid(0, 0)               = 0
[pid 11477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11477] write(3, "1000", 4)         = 4
[pid 11477] close(3)                    = 0
[pid 11477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11477] close(5)                    = 0
[pid 11477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11480 attached
) = 11480
[pid 11477] tkill(11480, SIGSTOP)       = 0
[pid 11477] exit_group(0 <unfinished ...>
[pid 11480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11477, si_uid=65534} ---
[pid 11477] <... exit_group resumed>)   = ?
[pid 11480] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11477] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11477, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11481 attached
, child_tidptr=0x5555574e8650) = 11481
[pid 11481] set_robust_list(0x5555574e8660, 24) = 0
[pid 11481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11481] setpgid(0, 0)               = 0
[  148.370732][T11473] vhci_hcd vhci_hcd.0: port 0 already used
[  148.410754][T11477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11481] write(3, "1000", 4)         = 4
[pid 11481] close(3)                    = 0
[pid 11481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11481] close(5)                    = 0
[pid 11481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11484 attached
) = 11484
[pid 11481] tkill(11484, SIGSTOP)       = 0
[pid 11481] exit_group(0 <unfinished ...>
[pid 11484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11481, si_uid=65534} ---
[pid 11481] <... exit_group resumed>)   = ?
[pid 11484] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11485 attached
, child_tidptr=0x5555574e8650) = 11485
[pid 11485] set_robust_list(0x5555574e8660, 24) = 0
[pid 11485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11485] setpgid(0, 0)               = 0
[pid 11485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11485] write(3, "1000", 4)         = 4
[pid 11485] close(3)                    = 0
[pid 11485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.462966][T11481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11485] close(5)                    = 0
[pid 11485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11488 attached
) = 11488
[pid 11485] tkill(11488, SIGSTOP)       = 0
[pid 11485] exit_group(0 <unfinished ...>
[pid 11488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11485, si_uid=65534} ---
[pid 11485] <... exit_group resumed>)   = ?
[pid 11488] --- stopped by SIGSTOP ---
[pid 11485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11489 attached
, child_tidptr=0x5555574e8650) = 11489
[pid 11489] set_robust_list(0x5555574e8660, 24) = 0
[pid 11489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11489] setpgid(0, 0)               = 0
[pid 11489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11489] write(3, "1000", 4)         = 4
[pid 11489] close(3)                    = 0
[pid 11489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.507091][T11485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11489] close(5)                    = 0
[pid 11489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11492 attached
) = 11492
[pid 11489] tkill(11492, SIGSTOP)       = 0
[pid 11492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11489, si_uid=65534} ---
[pid 11489] exit_group(0 <unfinished ...>
[pid 11492] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11489] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11493 attached
, child_tidptr=0x5555574e8650) = 11493
[pid 11493] set_robust_list(0x5555574e8660, 24) = 0
[pid 11493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11493] setpgid(0, 0)               = 0
[pid 11493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11493] write(3, "1000", 4)         = 4
[pid 11493] close(3)                    = 0
[pid 11493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.549969][T11489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11493] close(5)                    = 0
[pid 11493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11496 attached
) = 11496
[pid 11493] tkill(11496, SIGSTOP)       = 0
[pid 11496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11493, si_uid=65534} ---
[pid 11493] exit_group(0 <unfinished ...>
[pid 11496] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11493] <... exit_group resumed>)   = ?
[pid 11493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11497 attached
, child_tidptr=0x5555574e8650) = 11497
[pid 11497] set_robust_list(0x5555574e8660, 24) = 0
[pid 11497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11497] setpgid(0, 0)               = 0
[pid 11497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11497] write(3, "1000", 4)         = 4
[pid 11497] close(3)                    = 0
[pid 11497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.603285][T11493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11497] close(5)                    = 0
[pid 11497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11500 attached
) = 11500
[pid 11497] tkill(11500, SIGSTOP)       = 0
[pid 11500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11497, si_uid=65534} ---
[pid 11497] exit_group(0 <unfinished ...>
[pid 11500] --- stopped by SIGSTOP ---
[pid 11497] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11497] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11501 attached
, child_tidptr=0x5555574e8650) = 11501
[pid 11501] set_robust_list(0x5555574e8660, 24) = 0
[pid 11501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11501] setpgid(0, 0)               = 0
[pid 11501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11501] write(3, "1000", 4)         = 4
[pid 11501] close(3)                    = 0
[pid 11501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.648011][T11497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11501] close(5)                    = 0
[pid 11501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11504 attached
) = 11504
[pid 11501] tkill(11504, SIGSTOP)       = 0
[pid 11501] exit_group(0 <unfinished ...>
[pid 11504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11501, si_uid=65534} ---
[pid 11501] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11504] --- stopped by SIGSTOP ---
[pid 11501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11505 attached
, child_tidptr=0x5555574e8650) = 11505
[pid 11505] set_robust_list(0x5555574e8660, 24) = 0
[pid 11505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11505] setpgid(0, 0)               = 0
[pid 11505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11505] write(3, "1000", 4)         = 4
[pid 11505] close(3)                    = 0
[pid 11505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.691509][T11501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11505] close(5)                    = 0
[pid 11505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11508 attached
) = 11508
[pid 11505] tkill(11508, SIGSTOP)       = 0
[pid 11508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11505, si_uid=65534} ---
[pid 11505] exit_group(0 <unfinished ...>
[pid 11508] --- stopped by SIGSTOP ---
[pid 11505] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11505, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11509 attached
, child_tidptr=0x5555574e8650) = 11509
[pid 11509] set_robust_list(0x5555574e8660, 24) = 0
[pid 11509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11509] setpgid(0, 0)               = 0
[pid 11509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11509] write(3, "1000", 4)         = 4
[pid 11509] close(3)                    = 0
[pid 11509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.745375][T11505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11509] close(5)                    = 0
[pid 11509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11512 attached
) = 11512
[pid 11509] tkill(11512, SIGSTOP)       = 0
[pid 11512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11509, si_uid=65534} ---
[pid 11509] exit_group(0 <unfinished ...>
[pid 11512] --- stopped by SIGSTOP ---
[pid 11509] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11509] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11513 attached
, child_tidptr=0x5555574e8650) = 11513
[pid 11513] set_robust_list(0x5555574e8660, 24) = 0
[pid 11513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11513] setpgid(0, 0)               = 0
[pid 11513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11513] write(3, "1000", 4)         = 4
[pid 11513] close(3)                    = 0
[pid 11513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.791549][T11509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11513] close(5)                    = 0
[pid 11513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11516 attached
) = 11516
[pid 11513] tkill(11516, SIGSTOP)       = 0
[pid 11513] exit_group(0 <unfinished ...>
[pid 11516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11513, si_uid=65534} ---
[pid 11513] <... exit_group resumed>)   = ?
[pid 11516] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11513, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11517 attached
, child_tidptr=0x5555574e8650) = 11517
[pid 11517] set_robust_list(0x5555574e8660, 24) = 0
[pid 11517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11517] setpgid(0, 0)               = 0
[pid 11517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11517] write(3, "1000", 4)         = 4
[pid 11517] close(3)                    = 0
[pid 11517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.835062][T11513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11517] close(5)                    = 0
[pid 11517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11520 attached
) = 11520
[pid 11517] tkill(11520, SIGSTOP)       = 0
[pid 11520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11517, si_uid=65534} ---
[pid 11520] --- stopped by SIGSTOP ---
[pid 11517] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11517] <... exit_group resumed>)   = ?
[pid 11517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11521 attached
, child_tidptr=0x5555574e8650) = 11521
[pid 11521] set_robust_list(0x5555574e8660, 24) = 0
[pid 11521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11521] setpgid(0, 0)               = 0
[pid 11521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11521] write(3, "1000", 4)         = 4
[pid 11521] close(3)                    = 0
[pid 11521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.879006][T11517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11521] close(5)                    = 0
[pid 11521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11524 attached
) = 11524
[pid 11521] tkill(11524, SIGSTOP)       = 0
[pid 11521] exit_group(0 <unfinished ...>
[pid 11524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11521, si_uid=65534} ---
[pid 11521] <... exit_group resumed>)   = ?
[pid 11524] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11521, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11525 attached
, child_tidptr=0x5555574e8650) = 11525
[pid 11525] set_robust_list(0x5555574e8660, 24) = 0
[pid 11525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11525] setpgid(0, 0)               = 0
[pid 11525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11525] write(3, "1000", 4)         = 4
[pid 11525] close(3)                    = 0
[pid 11525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.930487][T11521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11525] close(5)                    = 0
[pid 11525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11528 attached
) = 11528
[pid 11525] tkill(11528, SIGSTOP)       = 0
[pid 11528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11525, si_uid=65534} ---
[pid 11525] exit_group(0 <unfinished ...>
[pid 11528] --- stopped by SIGSTOP ---
[pid 11525] <... exit_group resumed>)   = ?
[pid 11525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11529 attached
, child_tidptr=0x5555574e8650) = 11529
[pid 11529] set_robust_list(0x5555574e8660, 24) = 0
[pid 11529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11529] setpgid(0, 0)               = 0
[pid 11529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11529] write(3, "1000", 4)         = 4
[pid 11529] close(3)                    = 0
[pid 11529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  148.971341][T11525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11529] close(5)                    = 0
[pid 11529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11532 attached
) = 11532
[pid 11529] tkill(11532, SIGSTOP)       = 0
[pid 11529] exit_group(0 <unfinished ...>
[pid 11532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11529, si_uid=65534} ---
[pid 11529] <... exit_group resumed>)   = ?
[pid 11532] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11529, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11533 attached
, child_tidptr=0x5555574e8650) = 11533
[pid 11533] set_robust_list(0x5555574e8660, 24) = 0
[pid 11533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11533] setpgid(0, 0)               = 0
[pid 11533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11533] write(3, "1000", 4)         = 4
[pid 11533] close(3)                    = 0
[pid 11533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.026152][T11529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11533] close(5)                    = 0
[pid 11533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11536 attached
) = 11536
[pid 11533] tkill(11536, SIGSTOP)       = 0
[pid 11536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11533, si_uid=65534} ---
[pid 11533] exit_group(0 <unfinished ...>
[pid 11536] --- stopped by SIGSTOP ---
[pid 11533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11537 attached
, child_tidptr=0x5555574e8650) = 11537
[pid 11537] set_robust_list(0x5555574e8660, 24) = 0
[pid 11537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11537] setpgid(0, 0)               = 0
[pid 11537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11537] write(3, "1000", 4)         = 4
[pid 11537] close(3)                    = 0
[pid 11537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.068301][T11533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11537] close(5)                    = 0
[pid 11537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11540 attached
) = 11540
[pid 11537] tkill(11540, SIGSTOP)       = 0
[pid 11540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11537, si_uid=65534} ---
[pid 11537] exit_group(0 <unfinished ...>
[pid 11540] --- stopped by SIGSTOP ---
[pid 11537] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11537] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11541 attached
, child_tidptr=0x5555574e8650) = 11541
[pid 11541] set_robust_list(0x5555574e8660, 24) = 0
[pid 11541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11541] setpgid(0, 0)               = 0
[pid 11541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11541] write(3, "1000", 4)         = 4
[pid 11541] close(3)                    = 0
[pid 11541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.111496][T11537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11541] close(5)                    = 0
[pid 11541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11544 attached
) = 11544
[pid 11541] tkill(11544, SIGSTOP)       = 0
[pid 11544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11541, si_uid=65534} ---
[pid 11541] exit_group(0 <unfinished ...>
[pid 11544] --- stopped by SIGSTOP ---
[pid 11541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11545 attached
, child_tidptr=0x5555574e8650) = 11545
[pid 11545] set_robust_list(0x5555574e8660, 24) = 0
[pid 11545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11545] setpgid(0, 0)               = 0
[pid 11545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11545] write(3, "1000", 4)         = 4
[pid 11545] close(3)                    = 0
[pid 11545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.155967][T11541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11545] close(5)                    = 0
[pid 11545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11548 attached
) = 11548
[pid 11545] tkill(11548, SIGSTOP)       = 0
[pid 11548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11545, si_uid=65534} ---
[pid 11545] exit_group(0 <unfinished ...>
[pid 11548] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11545] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11545, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11549 attached
, child_tidptr=0x5555574e8650) = 11549
[pid 11549] set_robust_list(0x5555574e8660, 24) = 0
[pid 11549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11549] setpgid(0, 0)               = 0
[pid 11549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11549] write(3, "1000", 4)         = 4
[pid 11549] close(3)                    = 0
[pid 11549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.202002][T11545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11549] close(5)                    = 0
[pid 11549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11552 attached
) = 11552
[pid 11549] tkill(11552, SIGSTOP)       = 0
[pid 11552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11549, si_uid=65534} ---
[pid 11549] exit_group(0 <unfinished ...>
[pid 11552] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11549] <... exit_group resumed>)   = ?
[pid 11549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11553 attached
, child_tidptr=0x5555574e8650) = 11553
[pid 11553] set_robust_list(0x5555574e8660, 24) = 0
[pid 11553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11553] setpgid(0, 0)               = 0
[pid 11553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11553] write(3, "1000", 4)         = 4
[pid 11553] close(3)                    = 0
[pid 11553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.262309][T11549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11553] close(5)                    = 0
[pid 11553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11556 attached
) = 11556
[pid 11553] tkill(11556, SIGSTOP)       = 0
[pid 11556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11553, si_uid=65534} ---
[pid 11553] exit_group(0 <unfinished ...>
[pid 11556] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11553] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11557 attached
, child_tidptr=0x5555574e8650) = 11557
[pid 11557] set_robust_list(0x5555574e8660, 24) = 0
[pid 11557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11557] setpgid(0, 0)               = 0
[pid 11557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11557] write(3, "1000", 4)         = 4
[pid 11557] close(3)                    = 0
[pid 11557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.304584][T11553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11557] close(5)                    = 0
[pid 11557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11560 attached
) = 11560
[pid 11557] tkill(11560, SIGSTOP)       = 0
[pid 11560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11557, si_uid=65534} ---
[pid 11557] exit_group(0 <unfinished ...>
[pid 11560] --- stopped by SIGSTOP ---
[pid 11557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11557] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11561 attached
, child_tidptr=0x5555574e8650) = 11561
[pid 11561] set_robust_list(0x5555574e8660, 24) = 0
[pid 11561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11561] setpgid(0, 0)               = 0
[pid 11561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11561] write(3, "1000", 4)         = 4
[pid 11561] close(3)                    = 0
[pid 11561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.346350][T11557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11561] close(5)                    = 0
[pid 11561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11564 attached
) = 11564
[pid 11561] tkill(11564, SIGSTOP)       = 0
[pid 11564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11561, si_uid=65534} ---
[pid 11561] exit_group(0 <unfinished ...>
[pid 11564] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11561] <... exit_group resumed>)   = ?
[pid 11561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11565 attached
, child_tidptr=0x5555574e8650) = 11565
[pid 11565] set_robust_list(0x5555574e8660, 24) = 0
[pid 11565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11565] setpgid(0, 0)               = 0
[pid 11565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11565] write(3, "1000", 4)         = 4
[pid 11565] close(3)                    = 0
[pid 11565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.398591][T11561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11565] close(5)                    = 0
[pid 11565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11568 attached
) = 11568
[pid 11565] tkill(11568, SIGSTOP)       = 0
[pid 11565] exit_group(0 <unfinished ...>
[pid 11568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11565, si_uid=65534} ---
[pid 11568] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11565] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 11565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11569 attached
, child_tidptr=0x5555574e8650) = 11569
[pid 11569] set_robust_list(0x5555574e8660, 24) = 0
[pid 11569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11569] setpgid(0, 0)               = 0
[pid 11569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11569] write(3, "1000", 4)         = 4
[pid 11569] close(3)                    = 0
[pid 11569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.441499][T11565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11569] close(5)                    = 0
[pid 11569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11572 attached
) = 11572
[pid 11569] tkill(11572, SIGSTOP)       = 0
[pid 11572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11569, si_uid=65534} ---
[pid 11569] exit_group(0 <unfinished ...>
[pid 11572] --- stopped by SIGSTOP ---
[pid 11569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11573 attached
, child_tidptr=0x5555574e8650) = 11573
[pid 11573] set_robust_list(0x5555574e8660, 24) = 0
[pid 11573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11573] setpgid(0, 0)               = 0
[pid 11573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11573] write(3, "1000", 4)         = 4
[pid 11573] close(3)                    = 0
[pid 11573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.484521][T11569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11573] close(5)                    = 0
[pid 11573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11576 attached
) = 11576
[pid 11573] tkill(11576, SIGSTOP)       = 0
[pid 11576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11573, si_uid=65534} ---
[pid 11573] exit_group(0 <unfinished ...>
[pid 11576] --- stopped by SIGSTOP ---
[pid 11573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11577 attached
, child_tidptr=0x5555574e8650) = 11577
[pid 11577] set_robust_list(0x5555574e8660, 24) = 0
[pid 11577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11577] setpgid(0, 0)               = 0
[pid 11577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11577] write(3, "1000", 4)         = 4
[pid 11577] close(3)                    = 0
[pid 11577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.533944][T11573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11577] close(5)                    = 0
[pid 11577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11580 attached
) = 11580
[pid 11577] tkill(11580, SIGSTOP)       = 0
[pid 11580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11577, si_uid=65534} ---
[pid 11577] exit_group(0)               = ?
[pid 11580] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11577, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11581 attached
, child_tidptr=0x5555574e8650) = 11581
[pid 11581] set_robust_list(0x5555574e8660, 24) = 0
[pid 11581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11581] setpgid(0, 0)               = 0
[pid 11581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11581] write(3, "1000", 4)         = 4
[pid 11581] close(3)                    = 0
[  149.595393][T11577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11581] close(5)                    = 0
[pid 11581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11584 attached
) = 11584
[pid 11581] tkill(11584, SIGSTOP)       = 0
[pid 11584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11581, si_uid=65534} ---
[pid 11581] exit_group(0 <unfinished ...>
[pid 11584] --- stopped by SIGSTOP ---
[pid 11581] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11581] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11585 attached
, child_tidptr=0x5555574e8650) = 11585
[pid 11585] set_robust_list(0x5555574e8660, 24) = 0
[pid 11585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11585] setpgid(0, 0)               = 0
[pid 11585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11585] write(3, "1000", 4)         = 4
[pid 11585] close(3)                    = 0
[pid 11585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.661231][T11581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11585] close(5)                    = 0
[pid 11585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11588 attached
) = 11588
[pid 11585] tkill(11588, SIGSTOP)       = 0
[pid 11588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11585, si_uid=65534} ---
[pid 11585] exit_group(0 <unfinished ...>
[pid 11588] --- stopped by SIGSTOP ---
[pid 11585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11585, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11589 attached
, child_tidptr=0x5555574e8650) = 11589
[pid 11589] set_robust_list(0x5555574e8660, 24) = 0
[pid 11589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11589] setpgid(0, 0)               = 0
[pid 11589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11589] write(3, "1000", 4)         = 4
[pid 11589] close(3)                    = 0
[pid 11589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.705788][T11585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11589] close(5)                    = 0
[pid 11589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11592 attached
) = 11592
[pid 11589] tkill(11592, SIGSTOP)       = 0
[pid 11589] exit_group(0 <unfinished ...>
[pid 11592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11589, si_uid=65534} ---
[pid 11589] <... exit_group resumed>)   = ?
[pid 11592] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11593 attached
, child_tidptr=0x5555574e8650) = 11593
[pid 11593] set_robust_list(0x5555574e8660, 24) = 0
[pid 11593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11593] setpgid(0, 0)               = 0
[pid 11593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11593] write(3, "1000", 4)         = 4
[pid 11593] close(3)                    = 0
[pid 11593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.748808][T11589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11593] close(5)                    = 0
[pid 11593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11596 attached
) = 11596
[pid 11593] tkill(11596, SIGSTOP)       = 0
[pid 11596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11593, si_uid=65534} ---
[pid 11593] exit_group(0 <unfinished ...>
[pid 11596] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11593] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11593, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11597 attached
, child_tidptr=0x5555574e8650) = 11597
[pid 11597] set_robust_list(0x5555574e8660, 24) = 0
[pid 11597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11597] setpgid(0, 0)               = 0
[pid 11597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11597] write(3, "1000", 4)         = 4
[pid 11597] close(3)                    = 0
[pid 11597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.804855][T11593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11597] close(5)                    = 0
[pid 11597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11600 attached
) = 11600
[pid 11597] tkill(11600, SIGSTOP)       = 0
[pid 11600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11597, si_uid=65534} ---
[pid 11597] exit_group(0 <unfinished ...>
[pid 11600] --- stopped by SIGSTOP ---
[pid 11597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11597] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11601 attached
, child_tidptr=0x5555574e8650) = 11601
[pid 11601] set_robust_list(0x5555574e8660, 24) = 0
[pid 11601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11601] setpgid(0, 0)               = 0
[pid 11601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11601] write(3, "1000", 4)         = 4
[pid 11601] close(3)                    = 0
[pid 11601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.847457][T11597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11601] close(5)                    = 0
[pid 11601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11604 attached
) = 11604
[pid 11601] tkill(11604, SIGSTOP)       = 0
[pid 11601] exit_group(0 <unfinished ...>
[pid 11604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11601, si_uid=65534} ---
[pid 11604] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11601] <... exit_group resumed>)   = ?
[pid 11601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11601, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11605 attached
, child_tidptr=0x5555574e8650) = 11605
[pid 11605] set_robust_list(0x5555574e8660, 24) = 0
[pid 11605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11605] setpgid(0, 0)               = 0
[pid 11605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11605] write(3, "1000", 4)         = 4
[pid 11605] close(3)                    = 0
[pid 11605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.890875][T11601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11605] close(5)                    = 0
[pid 11605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11608 attached
) = 11608
[pid 11605] tkill(11608, SIGSTOP)       = 0
[pid 11608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11605, si_uid=65534} ---
[pid 11608] --- stopped by SIGSTOP ---
[pid 11605] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11609 attached
, child_tidptr=0x5555574e8650) = 11609
[pid 11609] set_robust_list(0x5555574e8660, 24) = 0
[pid 11609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11609] setpgid(0, 0)               = 0
[pid 11609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11609] write(3, "1000", 4)         = 4
[pid 11609] close(3)                    = 0
[pid 11609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.933592][T11605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11609] close(5)                    = 0
[pid 11609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11612 attached
) = 11612
[pid 11609] tkill(11612, SIGSTOP)       = 0
[pid 11612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11609, si_uid=65534} ---
[pid 11609] exit_group(0 <unfinished ...>
[pid 11612] --- stopped by SIGSTOP ---
[pid 11609] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11613 attached
, child_tidptr=0x5555574e8650) = 11613
[pid 11613] set_robust_list(0x5555574e8660, 24) = 0
[pid 11613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11613] setpgid(0, 0)               = 0
[pid 11613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11613] write(3, "1000", 4)         = 4
[pid 11613] close(3)                    = 0
[pid 11613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  149.986594][T11609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11613] close(5)                    = 0
[pid 11613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11616 attached
) = 11616
[pid 11613] tkill(11616, SIGSTOP)       = 0
[pid 11613] exit_group(0 <unfinished ...>
[pid 11616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11613, si_uid=65534} ---
[pid 11613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11616] --- stopped by SIGSTOP ---
[pid 11613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11617 attached
, child_tidptr=0x5555574e8650) = 11617
[pid 11617] set_robust_list(0x5555574e8660, 24) = 0
[pid 11617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11617] setpgid(0, 0)               = 0
[pid 11617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11617] write(3, "1000", 4)         = 4
[pid 11617] close(3)                    = 0
[pid 11617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.038713][T11613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11617] close(5)                    = 0
[pid 11617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11620 attached
) = 11620
[pid 11617] tkill(11620, SIGSTOP)       = 0
[pid 11620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11617, si_uid=65534} ---
[pid 11617] exit_group(0 <unfinished ...>
[pid 11620] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11617] <... exit_group resumed>)   = ?
[pid 11617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11621 attached
, child_tidptr=0x5555574e8650) = 11621
[pid 11621] set_robust_list(0x5555574e8660, 24) = 0
[pid 11621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11621] setpgid(0, 0)               = 0
[pid 11621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11621] write(3, "1000", 4)         = 4
[pid 11621] close(3)                    = 0
[pid 11621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.083116][T11617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11621] close(5)                    = 0
[pid 11621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11624 attached
) = 11624
[pid 11621] tkill(11624, SIGSTOP)       = 0
[pid 11621] exit_group(0 <unfinished ...>
[pid 11624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11621, si_uid=65534} ---
[pid 11621] <... exit_group resumed>)   = ?
[pid 11624] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11625 attached
, child_tidptr=0x5555574e8650) = 11625
[pid 11625] set_robust_list(0x5555574e8660, 24) = 0
[pid 11625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11625] setpgid(0, 0)               = 0
[pid 11625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11625] write(3, "1000", 4)         = 4
[pid 11625] close(3)                    = 0
[pid 11625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  150.126928][T11621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11625] close(5)                    = 0
[pid 11625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11628 attached
) = 11628
[pid 11625] tkill(11628, SIGSTOP)       = 0
[pid 11628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11625, si_uid=65534} ---
[pid 11625] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11628] --- stopped by SIGSTOP ---
[pid 11625] <... exit_group resumed>)   = ?
[pid 11625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11629 attached
, child_tidptr=0x5555574e8650) = 11629
[pid 11629] set_robust_list(0x5555574e8660, 24) = 0
[pid 11629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11629] setpgid(0, 0)               = 0
[pid 11629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11629] write(3, "1000", 4)         = 4
[pid 11629] close(3)                    = 0
[pid 11629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.190374][T11625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11629] close(5)                    = 0
[pid 11629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11632 attached
) = 11632
[pid 11629] tkill(11632, SIGSTOP)       = 0
[pid 11629] exit_group(0 <unfinished ...>
[pid 11632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11629, si_uid=65534} ---
[pid 11632] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11629] <... exit_group resumed>)   = ?
[pid 11629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11633 attached
, child_tidptr=0x5555574e8650) = 11633
[pid 11633] set_robust_list(0x5555574e8660, 24) = 0
[pid 11633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11633] setpgid(0, 0)               = 0
[pid 11633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11633] write(3, "1000", 4)         = 4
[pid 11633] close(3)                    = 0
[pid 11633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.250580][T11629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11633] close(5)                    = 0
[pid 11633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11636 attached
) = 11636
[pid 11633] tkill(11636, SIGSTOP)       = 0
[pid 11636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11633, si_uid=65534} ---
[pid 11636] --- stopped by SIGSTOP ---
[pid 11633] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11633] <... exit_group resumed>)   = ?
[pid 11633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11633, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11637 attached
, child_tidptr=0x5555574e8650) = 11637
[pid 11637] set_robust_list(0x5555574e8660, 24) = 0
[pid 11637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11637] setpgid(0, 0)               = 0
[pid 11637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11637] write(3, "1000", 4)         = 4
[pid 11637] close(3)                    = 0
[pid 11637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.302636][T11633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11637] close(5)                    = 0
[pid 11637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11640 attached
) = 11640
[pid 11637] tkill(11640, SIGSTOP)       = 0
[pid 11640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11637, si_uid=65534} ---
[pid 11637] exit_group(0 <unfinished ...>
[pid 11640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11637] <... exit_group resumed>)   = ?
[pid 11637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11641 attached
, child_tidptr=0x5555574e8650) = 11641
[pid 11641] set_robust_list(0x5555574e8660, 24) = 0
[pid 11641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11641] setpgid(0, 0)               = 0
[pid 11641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11641] write(3, "1000", 4)         = 4
[pid 11641] close(3)                    = 0
[pid 11641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.343145][T11637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11641] close(5)                    = 0
[pid 11641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11644 attached
) = 11644
[pid 11641] tkill(11644, SIGSTOP)       = 0
[pid 11641] exit_group(0 <unfinished ...>
[pid 11644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11641, si_uid=65534} ---
[pid 11641] <... exit_group resumed>)   = ?
[pid 11644] --- stopped by SIGSTOP ---
[pid 11641] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11645 attached
, child_tidptr=0x5555574e8650) = 11645
[pid 11645] set_robust_list(0x5555574e8660, 24) = 0
[pid 11645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11645] setpgid(0, 0)               = 0
[pid 11645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11645] write(3, "1000", 4)         = 4
[pid 11645] close(3)                    = 0
[pid 11645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.385888][T11641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11645] close(5)                    = 0
[pid 11645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11648 attached
) = 11648
[pid 11645] tkill(11648, SIGSTOP)       = 0
[pid 11648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11645, si_uid=65534} ---
[pid 11645] exit_group(0 <unfinished ...>
[pid 11648] --- stopped by SIGSTOP ---
[pid 11645] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11649 attached
, child_tidptr=0x5555574e8650) = 11649
[pid 11649] set_robust_list(0x5555574e8660, 24) = 0
[pid 11649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11649] setpgid(0, 0)               = 0
[pid 11649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11649] write(3, "1000", 4)         = 4
[pid 11649] close(3)                    = 0
[pid 11649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.428102][T11645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11649] close(5)                    = 0
[pid 11649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11652 attached
) = 11652
[pid 11649] tkill(11652, SIGSTOP)       = 0
[pid 11652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11649, si_uid=65534} ---
[pid 11649] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11652] --- stopped by SIGSTOP ---
[pid 11649] <... exit_group resumed>)   = ?
[pid 11649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11653 attached
, child_tidptr=0x5555574e8650) = 11653
[pid 11653] set_robust_list(0x5555574e8660, 24) = 0
[pid 11653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11653] setpgid(0, 0)               = 0
[pid 11653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11653] write(3, "1000", 4)         = 4
[pid 11653] close(3)                    = 0
[pid 11653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.478091][T11649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11653] close(5)                    = 0
[pid 11653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11656 attached
) = 11656
[pid 11653] tkill(11656, SIGSTOP)       = 0
[pid 11656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11653, si_uid=65534} ---
[pid 11653] exit_group(0 <unfinished ...>
[pid 11656] --- stopped by SIGSTOP ---
[pid 11653] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11657 attached
, child_tidptr=0x5555574e8650) = 11657
[pid 11657] set_robust_list(0x5555574e8660, 24) = 0
[pid 11657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11657] setpgid(0, 0)               = 0
[pid 11657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11657] write(3, "1000", 4)         = 4
[pid 11657] close(3)                    = 0
[pid 11657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.531456][T11653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11657] close(5)                    = 0
[pid 11657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11660 attached
) = 11660
[pid 11657] tkill(11660, SIGSTOP)       = 0
[pid 11660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11657, si_uid=65534} ---
[pid 11657] exit_group(0 <unfinished ...>
[pid 11660] --- stopped by SIGSTOP ---
[pid 11657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11657, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11661 attached
, child_tidptr=0x5555574e8650) = 11661
[pid 11661] set_robust_list(0x5555574e8660, 24) = 0
[pid 11661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11661] setpgid(0, 0)               = 0
[pid 11661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11661] write(3, "1000", 4)         = 4
[pid 11661] close(3)                    = 0
[pid 11661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.587733][T11657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11661] close(5)                    = 0
[pid 11661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11664 attached
) = 11664
[pid 11661] tkill(11664, SIGSTOP)       = 0
[pid 11664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11661, si_uid=65534} ---
[pid 11664] --- stopped by SIGSTOP ---
[pid 11661] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11661] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11665 attached
, child_tidptr=0x5555574e8650) = 11665
[pid 11665] set_robust_list(0x5555574e8660, 24) = 0
[pid 11665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11665] setpgid(0, 0)               = 0
[pid 11665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11665] write(3, "1000", 4)         = 4
[pid 11665] close(3)                    = 0
[pid 11665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.633619][T11661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11665] close(5)                    = 0
[pid 11665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11668 attached
) = 11668
[pid 11665] tkill(11668, SIGSTOP)       = 0
[pid 11668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11665, si_uid=65534} ---
[pid 11665] exit_group(0 <unfinished ...>
[pid 11668] --- stopped by SIGSTOP ---
[pid 11665] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11665] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11665, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11669 attached
, child_tidptr=0x5555574e8650) = 11669
[pid 11669] set_robust_list(0x5555574e8660, 24) = 0
[pid 11669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11669] setpgid(0, 0)               = 0
[pid 11669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11669] write(3, "1000", 4)         = 4
[pid 11669] close(3)                    = 0
[pid 11669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.675842][T11665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11669] close(5)                    = 0
[pid 11669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11672 attached
) = 11672
[pid 11669] tkill(11672, SIGSTOP)       = 0
[pid 11669] exit_group(0 <unfinished ...>
[pid 11672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11669, si_uid=65534} ---
[pid 11669] <... exit_group resumed>)   = ?
[pid 11672] --- stopped by SIGSTOP ---
[pid 11669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11673 attached
, child_tidptr=0x5555574e8650) = 11673
[pid 11673] set_robust_list(0x5555574e8660, 24) = 0
[pid 11673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11673] setpgid(0, 0)               = 0
[pid 11673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11673] write(3, "1000", 4)         = 4
[pid 11673] close(3)                    = 0
[pid 11673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.730024][T11669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11673] close(5)                    = 0
[pid 11673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11676 attached
) = 11676
[pid 11673] tkill(11676, SIGSTOP)       = 0
[pid 11676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11673, si_uid=65534} ---
[pid 11676] --- stopped by SIGSTOP ---
[pid 11673] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11673] <... exit_group resumed>)   = ?
[pid 11673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11677 attached
, child_tidptr=0x5555574e8650) = 11677
[pid 11677] set_robust_list(0x5555574e8660, 24) = 0
[pid 11677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11677] setpgid(0, 0)               = 0
[pid 11677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11677] write(3, "1000", 4)         = 4
[pid 11677] close(3)                    = 0
[pid 11677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.782642][T11673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11677] close(5)                    = 0
[pid 11677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11680 attached
) = 11680
[pid 11677] tkill(11680, SIGSTOP)       = 0
[pid 11677] exit_group(0 <unfinished ...>
[pid 11680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11677, si_uid=65534} ---
[pid 11680] --- stopped by SIGSTOP ---
[pid 11677] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11681 attached
, child_tidptr=0x5555574e8650) = 11681
[pid 11681] set_robust_list(0x5555574e8660, 24) = 0
[pid 11681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11681] setpgid(0, 0)               = 0
[pid 11681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11681] write(3, "1000", 4)         = 4
[pid 11681] close(3)                    = 0
[pid 11681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.827597][T11677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11681] close(5)                    = 0
[pid 11681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11684 attached
) = 11684
[pid 11681] tkill(11684, SIGSTOP)       = 0
[pid 11681] exit_group(0 <unfinished ...>
[pid 11684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11681, si_uid=65534} ---
[pid 11681] <... exit_group resumed>)   = ?
[pid 11684] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11681] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11681, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11685 attached
, child_tidptr=0x5555574e8650) = 11685
[pid 11685] set_robust_list(0x5555574e8660, 24) = 0
[pid 11685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11685] setpgid(0, 0)               = 0
[pid 11685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11685] write(3, "1000", 4)         = 4
[pid 11685] close(3)                    = 0
[pid 11685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.869046][T11681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11685] close(5)                    = 0
[pid 11685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11688 attached
) = 11688
[pid 11685] tkill(11688, SIGSTOP)       = 0
[pid 11688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11685, si_uid=65534} ---
[pid 11685] exit_group(0 <unfinished ...>
[pid 11688] --- stopped by SIGSTOP ---
[pid 11685] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11689 attached
, child_tidptr=0x5555574e8650) = 11689
[pid 11689] set_robust_list(0x5555574e8660, 24) = 0
[pid 11689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11689] setpgid(0, 0)               = 0
[pid 11689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11689] write(3, "1000", 4)         = 4
[pid 11689] close(3)                    = 0
[pid 11689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.921806][T11685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11689] close(5)                    = 0
[pid 11689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11692 attached
) = 11692
[pid 11689] tkill(11692, SIGSTOP)       = 0
[pid 11692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11689, si_uid=65534} ---
[pid 11689] exit_group(0 <unfinished ...>
[pid 11692] --- stopped by SIGSTOP ---
[pid 11689] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11693 attached
, child_tidptr=0x5555574e8650) = 11693
[pid 11693] set_robust_list(0x5555574e8660, 24) = 0
[pid 11693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11693] setpgid(0, 0)               = 0
[pid 11693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11693] write(3, "1000", 4)         = 4
[pid 11693] close(3)                    = 0
[pid 11693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  150.976532][T11689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11693] close(5)                    = 0
[pid 11693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11696 attached
) = 11696
[pid 11693] tkill(11696, SIGSTOP)       = 0
[pid 11693] exit_group(0)               = ?
[pid 11696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11693, si_uid=65534} ---
[pid 11696] --- stopped by SIGSTOP ---
[pid 11693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11697 attached
, child_tidptr=0x5555574e8650) = 11697
[pid 11697] set_robust_list(0x5555574e8660, 24) = 0
[pid 11697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11697] setpgid(0, 0)               = 0
[pid 11697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11697] write(3, "1000", 4)         = 4
[pid 11697] close(3)                    = 0
[pid 11697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.030087][T11693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11697] close(5)                    = 0
[pid 11697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11700 attached
) = 11700
[pid 11697] tkill(11700, SIGSTOP)       = 0
[pid 11700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11697, si_uid=65534} ---
[pid 11697] exit_group(0 <unfinished ...>
[pid 11700] --- stopped by SIGSTOP ---
[pid 11697] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11701 attached
, child_tidptr=0x5555574e8650) = 11701
[pid 11701] set_robust_list(0x5555574e8660, 24) = 0
[pid 11701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11701] setpgid(0, 0)               = 0
[pid 11701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11701] write(3, "1000", 4)         = 4
[pid 11701] close(3)                    = 0
[pid 11701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.080806][T11697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11701] close(5)                    = 0
[pid 11701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11704 attached
) = 11704
[pid 11701] tkill(11704, SIGSTOP)       = 0
[pid 11704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11701, si_uid=65534} ---
[pid 11704] --- stopped by SIGSTOP ---
[pid 11701] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11701, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11705 attached
, child_tidptr=0x5555574e8650) = 11705
[pid 11705] set_robust_list(0x5555574e8660, 24) = 0
[pid 11705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11705] setpgid(0, 0)               = 0
[pid 11705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11705] write(3, "1000", 4)         = 4
[pid 11705] close(3)                    = 0
[pid 11705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.134978][T11701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11705] close(5)                    = 0
[pid 11705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11708 attached
) = 11708
[pid 11705] tkill(11708, SIGSTOP)       = 0
[pid 11705] exit_group(0 <unfinished ...>
[pid 11708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11705, si_uid=65534} ---
[pid 11705] <... exit_group resumed>)   = ?
[pid 11708] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11709 attached
, child_tidptr=0x5555574e8650) = 11709
[pid 11709] set_robust_list(0x5555574e8660, 24) = 0
[pid 11709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11709] setpgid(0, 0)               = 0
[pid 11709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11709] write(3, "1000", 4)         = 4
[pid 11709] close(3)                    = 0
[pid 11709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.192216][T11705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11709] close(5)                    = 0
[pid 11709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11712 attached
) = 11712
[pid 11709] tkill(11712, SIGSTOP)       = 0
[pid 11712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11709, si_uid=65534} ---
[pid 11709] exit_group(0 <unfinished ...>
[pid 11712] --- stopped by SIGSTOP ---
[pid 11709] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11713 attached
, child_tidptr=0x5555574e8650) = 11713
[pid 11713] set_robust_list(0x5555574e8660, 24) = 0
[pid 11713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11713] setpgid(0, 0)               = 0
[pid 11713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11713] write(3, "1000", 4)         = 4
[pid 11713] close(3)                    = 0
[pid 11713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.247373][T11709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11713] close(5)                    = 0
[pid 11713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11716 attached
) = 11716
[pid 11713] tkill(11716, SIGSTOP)       = 0
[pid 11716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11713, si_uid=65534} ---
[pid 11713] exit_group(0 <unfinished ...>
[pid 11716] --- stopped by SIGSTOP ---
[pid 11713] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11713, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11717 attached
, child_tidptr=0x5555574e8650) = 11717
[pid 11717] set_robust_list(0x5555574e8660, 24) = 0
[pid 11717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11717] setpgid(0, 0)               = 0
[pid 11717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11717] write(3, "1000", 4)         = 4
[pid 11717] close(3)                    = 0
[pid 11717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.293760][T11713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11717] close(5)                    = 0
[pid 11717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11720 attached
) = 11720
[pid 11717] tkill(11720, SIGSTOP)       = 0
[pid 11720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11717, si_uid=65534} ---
[pid 11717] exit_group(0 <unfinished ...>
[pid 11720] --- stopped by SIGSTOP ---
[pid 11717] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11721 attached
, child_tidptr=0x5555574e8650) = 11721
[pid 11721] set_robust_list(0x5555574e8660, 24) = 0
[pid 11721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11721] setpgid(0, 0)               = 0
[pid 11721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11721] write(3, "1000", 4)         = 4
[pid 11721] close(3)                    = 0
[pid 11721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.339064][T11717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11721] close(5)                    = 0
[pid 11721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11724 attached
) = 11724
[pid 11721] tkill(11724, SIGSTOP)       = 0
[pid 11724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11721, si_uid=65534} ---
[pid 11721] exit_group(0 <unfinished ...>
[pid 11724] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11721] <... exit_group resumed>)   = ?
[pid 11721] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11721, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11725 attached
, child_tidptr=0x5555574e8650) = 11725
[pid 11725] set_robust_list(0x5555574e8660, 24) = 0
[pid 11725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11725] setpgid(0, 0)               = 0
[pid 11725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11725] write(3, "1000", 4)         = 4
[pid 11725] close(3)                    = 0
[pid 11725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.394532][T11721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11725] close(5)                    = 0
[pid 11725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11728 attached
) = 11728
[pid 11725] tkill(11728, SIGSTOP)       = 0
[pid 11728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11725, si_uid=65534} ---
[pid 11728] --- stopped by SIGSTOP ---
[pid 11725] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11725] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11729 attached
, child_tidptr=0x5555574e8650) = 11729
[pid 11729] set_robust_list(0x5555574e8660, 24) = 0
[pid 11729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11729] setpgid(0, 0)               = 0
[pid 11729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11729] write(3, "1000", 4)         = 4
[pid 11729] close(3)                    = 0
[pid 11729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.440408][T11725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11729] close(5)                    = 0
[pid 11729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11732 attached
) = 11732
[pid 11729] tkill(11732, SIGSTOP)       = 0
[pid 11732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11729, si_uid=65534} ---
[pid 11729] exit_group(0 <unfinished ...>
[pid 11732] --- stopped by SIGSTOP ---
[pid 11729] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11729] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11733 attached
, child_tidptr=0x5555574e8650) = 11733
[pid 11733] set_robust_list(0x5555574e8660, 24) = 0
[pid 11733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11733] setpgid(0, 0)               = 0
[pid 11733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11733] write(3, "1000", 4)         = 4
[pid 11733] close(3)                    = 0
[pid 11733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  151.492710][T11729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11733] close(5)                    = 0
[pid 11733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11736 attached
) = 11736
[pid 11733] tkill(11736, SIGSTOP)       = 0
[pid 11736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11733, si_uid=65534} ---
[pid 11733] exit_group(0 <unfinished ...>
[pid 11736] --- stopped by SIGSTOP ---
[pid 11733] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11737 attached
, child_tidptr=0x5555574e8650) = 11737
[pid 11737] set_robust_list(0x5555574e8660, 24) = 0
[pid 11737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11737] setpgid(0, 0)               = 0
[pid 11737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11737] write(3, "1000", 4)         = 4
[pid 11737] close(3)                    = 0
[pid 11737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.557154][T11733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11737] close(5)                    = 0
[pid 11737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11740 attached
) = 11740
[pid 11737] tkill(11740, SIGSTOP)       = 0
[pid 11740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11737, si_uid=65534} ---
[pid 11737] exit_group(0)               = ?
[pid 11740] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11737] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11741 attached
, child_tidptr=0x5555574e8650) = 11741
[pid 11741] set_robust_list(0x5555574e8660, 24) = 0
[pid 11741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11741] setpgid(0, 0)               = 0
[pid 11741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11741] write(3, "1000", 4)         = 4
[pid 11741] close(3)                    = 0
[pid 11741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.601104][T11737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11741] close(5)                    = 0
[pid 11741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11744 attached
) = 11744
[pid 11741] tkill(11744, SIGSTOP)       = 0
[pid 11744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11741, si_uid=65534} ---
[pid 11741] exit_group(0 <unfinished ...>
[pid 11744] --- stopped by SIGSTOP ---
[pid 11741] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11741, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11745 attached
, child_tidptr=0x5555574e8650) = 11745
[pid 11745] set_robust_list(0x5555574e8660, 24) = 0
[pid 11745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11745] setpgid(0, 0)               = 0
[pid 11745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11745] write(3, "1000", 4)         = 4
[pid 11745] close(3)                    = 0
[pid 11745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.658849][T11741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11745] close(5)                    = 0
[pid 11745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11748 attached
) = 11748
[pid 11745] tkill(11748, SIGSTOP)       = 0
[pid 11748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11745, si_uid=65534} ---
[pid 11745] exit_group(0 <unfinished ...>
[pid 11748] --- stopped by SIGSTOP ---
[pid 11745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11745] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11745, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11749 attached
, child_tidptr=0x5555574e8650) = 11749
[pid 11749] set_robust_list(0x5555574e8660, 24) = 0
[pid 11749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11749] setpgid(0, 0)               = 0
[pid 11749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11749] write(3, "1000", 4)         = 4
[pid 11749] close(3)                    = 0
[pid 11749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.704222][T11745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11749] close(5)                    = 0
[pid 11749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11752 attached
) = 11752
[pid 11749] tkill(11752, SIGSTOP)       = 0
[pid 11749] exit_group(0 <unfinished ...>
[pid 11752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11749, si_uid=65534} ---
[pid 11752] --- stopped by SIGSTOP ---
[pid 11749] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11749] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11753 attached
, child_tidptr=0x5555574e8650) = 11753
[pid 11753] set_robust_list(0x5555574e8660, 24) = 0
[pid 11753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11753] setpgid(0, 0)               = 0
[pid 11753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11753] write(3, "1000", 4)         = 4
[pid 11753] close(3)                    = 0
[pid 11753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.759488][T11749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11753] close(5)                    = 0
[pid 11753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11756 attached
) = 11756
[pid 11753] tkill(11756, SIGSTOP)       = 0
[pid 11756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11753, si_uid=65534} ---
[pid 11753] exit_group(0)               = ?
[pid 11756] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11757 attached
, child_tidptr=0x5555574e8650) = 11757
[pid 11757] set_robust_list(0x5555574e8660, 24) = 0
[pid 11757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11757] setpgid(0, 0)               = 0
[pid 11757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11757] write(3, "1000", 4)         = 4
[pid 11757] close(3)                    = 0
[pid 11757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  151.812670][T11753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11757] close(5)                    = 0
[pid 11757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11760 attached
) = 11760
[pid 11757] tkill(11760, SIGSTOP)       = 0
[pid 11760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11757, si_uid=65534} ---
[pid 11760] --- stopped by SIGSTOP ---
[pid 11757] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11757] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11761 attached
, child_tidptr=0x5555574e8650) = 11761
[pid 11761] set_robust_list(0x5555574e8660, 24) = 0
[pid 11761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11761] setpgid(0, 0)               = 0
[pid 11761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11761] write(3, "1000", 4)         = 4
[pid 11761] close(3)                    = 0
[pid 11761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.877928][T11757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11761] close(5)                    = 0
[pid 11761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11764 attached
) = 11764
[pid 11761] tkill(11764, SIGSTOP)       = 0
[pid 11764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11761, si_uid=65534} ---
[pid 11761] exit_group(0 <unfinished ...>
[pid 11764] --- stopped by SIGSTOP ---
[pid 11761] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11765 attached
, child_tidptr=0x5555574e8650) = 11765
[pid 11765] set_robust_list(0x5555574e8660, 24) = 0
[pid 11765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11765] setpgid(0, 0)               = 0
[pid 11765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11765] write(3, "1000", 4)         = 4
[pid 11765] close(3)                    = 0
[pid 11765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.927450][T11761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11765] close(5)                    = 0
[pid 11765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11768 attached
) = 11768
[pid 11765] tkill(11768, SIGSTOP)       = 0
[pid 11768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11765, si_uid=65534} ---
[pid 11765] exit_group(0 <unfinished ...>
[pid 11768] --- stopped by SIGSTOP ---
[pid 11765] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11765] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11765, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11769 attached
, child_tidptr=0x5555574e8650) = 11769
[pid 11769] set_robust_list(0x5555574e8660, 24) = 0
[pid 11769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11769] setpgid(0, 0)               = 0
[pid 11769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11769] write(3, "1000", 4)         = 4
[pid 11769] close(3)                    = 0
[pid 11769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  151.981527][T11765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11769] close(5)                    = 0
[pid 11769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11772 attached
) = 11772
[pid 11769] tkill(11772, SIGSTOP)       = 0
[pid 11772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11769, si_uid=65534} ---
[pid 11769] exit_group(0 <unfinished ...>
[pid 11772] --- stopped by SIGSTOP ---
[pid 11769] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11773 attached
, child_tidptr=0x5555574e8650) = 11773
[pid 11773] set_robust_list(0x5555574e8660, 24) = 0
[pid 11773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11773] setpgid(0, 0)               = 0
[pid 11773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11773] write(3, "1000", 4)         = 4
[pid 11773] close(3)                    = 0
[pid 11773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.026810][T11769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11773] close(5)                    = 0
[pid 11773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11776 attached
) = 11776
[pid 11773] tkill(11776, SIGSTOP)       = 0
[pid 11776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11773, si_uid=65534} ---
[pid 11773] exit_group(0 <unfinished ...>
[pid 11776] --- stopped by SIGSTOP ---
[pid 11773] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11773] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11773, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11777 attached
, child_tidptr=0x5555574e8650) = 11777
[pid 11777] set_robust_list(0x5555574e8660, 24) = 0
[pid 11777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11777] setpgid(0, 0)               = 0
[pid 11777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11777] write(3, "1000", 4)         = 4
[pid 11777] close(3)                    = 0
[pid 11777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.069936][T11773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11777] close(5)                    = 0
[pid 11777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11780 attached
) = 11780
[pid 11777] tkill(11780, SIGSTOP)       = 0
[pid 11780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11777, si_uid=65534} ---
[pid 11777] exit_group(0 <unfinished ...>
[pid 11780] --- stopped by SIGSTOP ---
[pid 11777] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11777, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11781 attached
, child_tidptr=0x5555574e8650) = 11781
[pid 11781] set_robust_list(0x5555574e8660, 24) = 0
[pid 11781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11781] setpgid(0, 0)               = 0
[pid 11781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11781] write(3, "1000", 4)         = 4
[pid 11781] close(3)                    = 0
[pid 11781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.123895][T11777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11781] close(5)                    = 0
[pid 11781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11784 attached
) = 11784
[pid 11781] tkill(11784, SIGSTOP)       = 0
[pid 11784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11781, si_uid=65534} ---
[pid 11781] exit_group(0 <unfinished ...>
[pid 11784] --- stopped by SIGSTOP ---
[pid 11781] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11785 attached
, child_tidptr=0x5555574e8650) = 11785
[pid 11785] set_robust_list(0x5555574e8660, 24) = 0
[pid 11785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11785] setpgid(0, 0)               = 0
[pid 11785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11785] write(3, "1000", 4)         = 4
[pid 11785] close(3)                    = 0
[pid 11785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.180777][T11781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11785] close(5)                    = 0
[pid 11785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11788 attached
) = 11788
[pid 11785] tkill(11788, SIGSTOP)       = 0
[pid 11788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11785, si_uid=65534} ---
[pid 11785] exit_group(0 <unfinished ...>
[pid 11788] --- stopped by SIGSTOP ---
[pid 11785] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11789 attached
, child_tidptr=0x5555574e8650) = 11789
[pid 11789] set_robust_list(0x5555574e8660, 24) = 0
[pid 11789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11789] setpgid(0, 0)               = 0
[pid 11789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11789] write(3, "1000", 4)         = 4
[pid 11789] close(3)                    = 0
[pid 11789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.229032][T11785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11789] close(5)                    = 0
[pid 11789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11792 attached
) = 11792
[pid 11789] tkill(11792, SIGSTOP)       = 0
[pid 11789] exit_group(0 <unfinished ...>
[pid 11792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11789, si_uid=65534} ---
[pid 11789] <... exit_group resumed>)   = ?
[pid 11792] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11793 attached
, child_tidptr=0x5555574e8650) = 11793
[pid 11793] set_robust_list(0x5555574e8660, 24) = 0
[pid 11793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11793] setpgid(0, 0)               = 0
[pid 11793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11793] write(3, "1000", 4)         = 4
[pid 11793] close(3)                    = 0
[pid 11793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.275889][T11789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11793] close(5)                    = 0
[pid 11793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11796 attached
) = 11796
[pid 11793] tkill(11796, SIGSTOP)       = 0
[pid 11796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11793, si_uid=65534} ---
[pid 11793] exit_group(0 <unfinished ...>
[pid 11796] --- stopped by SIGSTOP ---
[pid 11793] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11793] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11797 attached
, child_tidptr=0x5555574e8650) = 11797
[pid 11797] set_robust_list(0x5555574e8660, 24) = 0
[pid 11797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11797] setpgid(0, 0)               = 0
[pid 11797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11797] write(3, "1000", 4)         = 4
[pid 11797] close(3)                    = 0
[pid 11797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.331052][T11793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11797] close(5)                    = 0
[pid 11797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11800 attached
) = 11800
[pid 11797] tkill(11800, SIGSTOP)       = 0
[pid 11797] exit_group(0 <unfinished ...>
[pid 11800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11797, si_uid=65534} ---
[pid 11800] --- stopped by SIGSTOP ---
[pid 11797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11797, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11801 attached
, child_tidptr=0x5555574e8650) = 11801
[pid 11801] set_robust_list(0x5555574e8660, 24) = 0
[pid 11801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11801] setpgid(0, 0)               = 0
[  152.376456][T11797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11801] write(3, "1000", 4)         = 4
[pid 11801] close(3)                    = 0
[pid 11801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11801] close(5)                    = 0
[pid 11801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11804 attached
) = 11804
[pid 11801] tkill(11804, SIGSTOP)       = 0
[pid 11804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11801, si_uid=65534} ---
[pid 11801] exit_group(0 <unfinished ...>
[pid 11804] --- stopped by SIGSTOP ---
[pid 11801] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11805 attached
, child_tidptr=0x5555574e8650) = 11805
[pid 11805] set_robust_list(0x5555574e8660, 24) = 0
[pid 11805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11805] setpgid(0, 0)               = 0
[pid 11805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11805] write(3, "1000", 4)         = 4
[pid 11805] close(3)                    = 0
[  152.449474][T11801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 11805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11805] close(5)                    = 0
[pid 11805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11808 attached
) = 11808
[pid 11805] tkill(11808, SIGSTOP)       = 0
[pid 11808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11805, si_uid=65534} ---
[pid 11805] exit_group(0 <unfinished ...>
[pid 11808] --- stopped by SIGSTOP ---
[pid 11805] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11809 attached
, child_tidptr=0x5555574e8650) = 11809
[pid 11809] set_robust_list(0x5555574e8660, 24) = 0
[pid 11809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11809] setpgid(0, 0)               = 0
[pid 11809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11809] write(3, "1000", 4)         = 4
[pid 11809] close(3)                    = 0
[pid 11809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.515112][T11805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11809] close(5)                    = 0
[pid 11809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11812 attached
) = 11812
[pid 11809] tkill(11812, SIGSTOP)       = 0
[pid 11812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11809, si_uid=65534} ---
[pid 11809] exit_group(0 <unfinished ...>
[pid 11812] --- stopped by SIGSTOP ---
[pid 11809] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11813 attached
, child_tidptr=0x5555574e8650) = 11813
[pid 11813] set_robust_list(0x5555574e8660, 24) = 0
[pid 11813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11813] setpgid(0, 0)               = 0
[pid 11813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11813] write(3, "1000", 4)         = 4
[pid 11813] close(3)                    = 0
[pid 11813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.564217][T11809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11813] close(5)                    = 0
[pid 11813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11816 attached
) = 11816
[pid 11813] tkill(11816, SIGSTOP)       = 0
[pid 11816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11813, si_uid=65534} ---
[pid 11813] exit_group(0 <unfinished ...>
[pid 11816] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11813] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11817 attached
, child_tidptr=0x5555574e8650) = 11817
[pid 11817] set_robust_list(0x5555574e8660, 24) = 0
[pid 11817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11817] setpgid(0, 0)               = 0
[pid 11817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11817] write(3, "1000", 4)         = 4
[pid 11817] close(3)                    = 0
[pid 11817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.620551][T11813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11817] close(5)                    = 0
[pid 11817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11820 attached
) = 11820
[pid 11817] tkill(11820, SIGSTOP)       = 0
[pid 11820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11817, si_uid=65534} ---
[pid 11817] exit_group(0 <unfinished ...>
[pid 11820] --- stopped by SIGSTOP ---
[pid 11817] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11817] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11817, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11821 attached
, child_tidptr=0x5555574e8650) = 11821
[pid 11821] set_robust_list(0x5555574e8660, 24) = 0
[pid 11821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11821] setpgid(0, 0)               = 0
[pid 11821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11821] write(3, "1000", 4)         = 4
[pid 11821] close(3)                    = 0
[pid 11821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.663436][T11817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11821] close(5)                    = 0
[pid 11821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11824 attached
) = 11824
[pid 11821] tkill(11824, SIGSTOP)       = 0
[pid 11824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11821, si_uid=65534} ---
[pid 11824] --- stopped by SIGSTOP ---
[pid 11821] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11821] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11821] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11825 attached
, child_tidptr=0x5555574e8650) = 11825
[pid 11825] set_robust_list(0x5555574e8660, 24) = 0
[pid 11825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11825] setpgid(0, 0)               = 0
[pid 11825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11825] write(3, "1000", 4)         = 4
[pid 11825] close(3)                    = 0
[pid 11825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.707229][T11821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11825] close(5)                    = 0
[pid 11825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11828 attached
) = 11828
[pid 11825] tkill(11828, SIGSTOP)       = 0
[pid 11828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11825, si_uid=65534} ---
[pid 11828] --- stopped by SIGSTOP ---
[pid 11825] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11825, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11829 attached
, child_tidptr=0x5555574e8650) = 11829
[pid 11829] set_robust_list(0x5555574e8660, 24) = 0
[pid 11829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11829] setpgid(0, 0)               = 0
[pid 11829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11829] write(3, "1000", 4)         = 4
[pid 11829] close(3)                    = 0
[pid 11829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.765031][T11825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11829] close(5)                    = 0
[pid 11829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11832 attached
) = 11832
[pid 11829] tkill(11832, SIGSTOP)       = 0
[pid 11832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11829, si_uid=65534} ---
[pid 11829] exit_group(0 <unfinished ...>
[pid 11832] --- stopped by SIGSTOP ---
[pid 11829] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11829, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11833 attached
, child_tidptr=0x5555574e8650) = 11833
[pid 11833] set_robust_list(0x5555574e8660, 24) = 0
[pid 11833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11833] setpgid(0, 0)               = 0
[pid 11833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11833] write(3, "1000", 4)         = 4
[pid 11833] close(3)                    = 0
[pid 11833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.821036][T11829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11833] close(5)                    = 0
[pid 11833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11836 attached
) = 11836
[pid 11833] tkill(11836, SIGSTOP)       = 0
[pid 11833] exit_group(0 <unfinished ...>
[pid 11836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11833, si_uid=65534} ---
[pid 11833] <... exit_group resumed>)   = ?
[pid 11836] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11833, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11837 attached
, child_tidptr=0x5555574e8650) = 11837
[pid 11837] set_robust_list(0x5555574e8660, 24) = 0
[pid 11837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11837] setpgid(0, 0)               = 0
[pid 11837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11837] write(3, "1000", 4)         = 4
[pid 11837] close(3)                    = 0
[pid 11837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.865534][T11833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11837] close(5)                    = 0
[pid 11837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11840 attached
) = 11840
[pid 11837] tkill(11840, SIGSTOP)       = 0
[pid 11840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11837, si_uid=65534} ---
[pid 11837] exit_group(0 <unfinished ...>
[pid 11840] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11837] <... exit_group resumed>)   = ?
[pid 11837] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11841 attached
, child_tidptr=0x5555574e8650) = 11841
[pid 11841] set_robust_list(0x5555574e8660, 24) = 0
[pid 11841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11841] setpgid(0, 0)               = 0
[pid 11841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11841] write(3, "1000", 4)         = 4
[pid 11841] close(3)                    = 0
[pid 11841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.909427][T11837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11841] close(5)                    = 0
[pid 11841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11844 attached
) = 11844
[pid 11841] tkill(11844, SIGSTOP)       = 0
[pid 11844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11841, si_uid=65534} ---
[pid 11841] exit_group(0 <unfinished ...>
[pid 11844] --- stopped by SIGSTOP ---
[pid 11841] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11841, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11845 attached
, child_tidptr=0x5555574e8650) = 11845
[pid 11845] set_robust_list(0x5555574e8660, 24) = 0
[pid 11845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11845] setpgid(0, 0)               = 0
[pid 11845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11845] write(3, "1000", 4)         = 4
[pid 11845] close(3)                    = 0
[pid 11845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.953048][T11841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11845] close(5)                    = 0
[pid 11845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11848 attached
) = 11848
[pid 11845] tkill(11848, SIGSTOP)       = 0
[pid 11845] exit_group(0 <unfinished ...>
[pid 11848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11845, si_uid=65534} ---
[pid 11845] <... exit_group resumed>)   = ?
[pid 11848] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11845, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11849 attached
, child_tidptr=0x5555574e8650) = 11849
[pid 11849] set_robust_list(0x5555574e8660, 24) = 0
[pid 11849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11849] setpgid(0, 0)               = 0
[pid 11849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11849] write(3, "1000", 4)         = 4
[pid 11849] close(3)                    = 0
[pid 11849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  152.996147][T11845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11849] close(5)                    = 0
[pid 11849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11852 attached
) = 11852
[pid 11849] tkill(11852, SIGSTOP)       = 0
[pid 11849] exit_group(0 <unfinished ...>
[pid 11852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11849, si_uid=65534} ---
[pid 11849] <... exit_group resumed>)   = ?
[pid 11852] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11849] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11853 attached
, child_tidptr=0x5555574e8650) = 11853
[pid 11853] set_robust_list(0x5555574e8660, 24) = 0
[pid 11853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11853] setpgid(0, 0)               = 0
[pid 11853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11853] write(3, "1000", 4)         = 4
[pid 11853] close(3)                    = 0
[pid 11853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.058585][T11849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11853] close(5)                    = 0
[pid 11853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11856 attached
) = 11856
[pid 11853] tkill(11856, SIGSTOP)       = 0
[pid 11856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11853, si_uid=65534} ---
[pid 11856] --- stopped by SIGSTOP ---
[pid 11853] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11853] <... exit_group resumed>)   = ?
[pid 11853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11853, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11857 attached
, child_tidptr=0x5555574e8650) = 11857
[pid 11857] set_robust_list(0x5555574e8660, 24) = 0
[pid 11857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11857] setpgid(0, 0)               = 0
[pid 11857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11857] write(3, "1000", 4)         = 4
[pid 11857] close(3)                    = 0
[pid 11857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.102055][T11853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11857] close(5)                    = 0
[pid 11857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11860 attached
) = 11860
[pid 11857] tkill(11860, SIGSTOP)       = 0
[pid 11857] exit_group(0 <unfinished ...>
[pid 11860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11857, si_uid=65534} ---
[pid 11857] <... exit_group resumed>)   = ?
[pid 11860] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11861 attached
, child_tidptr=0x5555574e8650) = 11861
[pid 11861] set_robust_list(0x5555574e8660, 24) = 0
[pid 11861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11861] setpgid(0, 0)               = 0
[pid 11861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11861] write(3, "1000", 4)         = 4
[pid 11861] close(3)                    = 0
[pid 11861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.147797][T11857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11861] close(5)                    = 0
[pid 11861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11864 attached
) = 11864
[pid 11861] tkill(11864, SIGSTOP)       = 0
[pid 11864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11861, si_uid=65534} ---
[pid 11861] exit_group(0 <unfinished ...>
[pid 11864] --- stopped by SIGSTOP ---
[pid 11861] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11861, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11865 attached
, child_tidptr=0x5555574e8650) = 11865
[pid 11865] set_robust_list(0x5555574e8660, 24) = 0
[pid 11865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11865] setpgid(0, 0)               = 0
[pid 11865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11865] write(3, "1000", 4)         = 4
[pid 11865] close(3)                    = 0
[pid 11865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.192039][T11861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11865] close(5)                    = 0
[pid 11865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11868 attached
) = 11868
[pid 11865] tkill(11868, SIGSTOP)       = 0
[pid 11865] exit_group(0 <unfinished ...>
[pid 11868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11865, si_uid=65534} ---
[pid 11865] <... exit_group resumed>)   = ?
[pid 11868] --- stopped by SIGSTOP ---
[pid 11865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11869 attached
, child_tidptr=0x5555574e8650) = 11869
[pid 11869] set_robust_list(0x5555574e8660, 24) = 0
[pid 11869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11869] setpgid(0, 0)               = 0
[pid 11869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11869] write(3, "1000", 4)         = 4
[pid 11869] close(3)                    = 0
[pid 11869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.240235][T11865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11869] close(5)                    = 0
[pid 11869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11872 attached
) = 11872
[pid 11869] tkill(11872, SIGSTOP)       = 0
[pid 11872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11869, si_uid=65534} ---
[pid 11869] exit_group(0 <unfinished ...>
[pid 11872] --- stopped by SIGSTOP ---
[pid 11869] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11869, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11873 attached
, child_tidptr=0x5555574e8650) = 11873
[pid 11873] set_robust_list(0x5555574e8660, 24) = 0
[pid 11873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11873] setpgid(0, 0)               = 0
[pid 11873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11873] write(3, "1000", 4)         = 4
[pid 11873] close(3)                    = 0
[pid 11873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.285652][T11869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11873] close(5)                    = 0
[pid 11873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11876 attached
) = 11876
[pid 11873] tkill(11876, SIGSTOP)       = 0
[pid 11876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11873, si_uid=65534} ---
[pid 11873] exit_group(0 <unfinished ...>
[pid 11876] --- stopped by SIGSTOP ---
[pid 11873] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11877 attached
, child_tidptr=0x5555574e8650) = 11877
[pid 11877] set_robust_list(0x5555574e8660, 24) = 0
[pid 11877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11877] setpgid(0, 0)               = 0
[pid 11877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11877] write(3, "1000", 4)         = 4
[pid 11877] close(3)                    = 0
[pid 11877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.339053][T11873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11877] close(5)                    = 0
[pid 11877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11880 attached
) = 11880
[pid 11877] tkill(11880, SIGSTOP)       = 0
[pid 11880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11877, si_uid=65534} ---
[pid 11880] --- stopped by SIGSTOP ---
[pid 11877] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11877, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11881 attached
, child_tidptr=0x5555574e8650) = 11881
[pid 11881] set_robust_list(0x5555574e8660, 24) = 0
[pid 11881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11881] setpgid(0, 0)               = 0
[pid 11881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11881] write(3, "1000", 4)         = 4
[pid 11881] close(3)                    = 0
[pid 11881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.380084][T11877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11881] close(5)                    = 0
[pid 11881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11884 attached
) = 11884
[pid 11881] tkill(11884, SIGSTOP)       = 0
[pid 11884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11881, si_uid=65534} ---
[pid 11881] exit_group(0 <unfinished ...>
[pid 11884] --- stopped by SIGSTOP ---
[pid 11881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11881] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11881, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11885 attached
, child_tidptr=0x5555574e8650) = 11885
[pid 11885] set_robust_list(0x5555574e8660, 24) = 0
[pid 11885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11885] setpgid(0, 0)               = 0
[pid 11885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11885] write(3, "1000", 4)         = 4
[pid 11885] close(3)                    = 0
[pid 11885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.421998][T11881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11885] close(5)                    = 0
[pid 11885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11888 attached
) = 11888
[pid 11885] tkill(11888, SIGSTOP)       = 0
[pid 11888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11885, si_uid=65534} ---
[pid 11885] exit_group(0 <unfinished ...>
[pid 11888] --- stopped by SIGSTOP ---
[pid 11885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11885] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11889 attached
, child_tidptr=0x5555574e8650) = 11889
[pid 11889] set_robust_list(0x5555574e8660, 24) = 0
[pid 11889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11889] setpgid(0, 0)               = 0
[pid 11889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11889] write(3, "1000", 4)         = 4
[pid 11889] close(3)                    = 0
[pid 11889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.464924][T11885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11889] close(5)                    = 0
[pid 11889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11892 attached
) = 11892
[pid 11889] tkill(11892, SIGSTOP)       = 0
[pid 11889] exit_group(0 <unfinished ...>
[pid 11892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11889, si_uid=65534} ---
[pid 11892] --- stopped by SIGSTOP ---
[pid 11889] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11893 attached
, child_tidptr=0x5555574e8650) = 11893
[pid 11893] set_robust_list(0x5555574e8660, 24) = 0
[pid 11893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11893] setpgid(0, 0)               = 0
[pid 11893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11893] write(3, "1000", 4)         = 4
[pid 11893] close(3)                    = 0
[pid 11893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.509759][T11889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11893] close(5)                    = 0
[pid 11893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11896 attached
) = 11896
[pid 11893] tkill(11896, SIGSTOP)       = 0
[pid 11893] exit_group(0 <unfinished ...>
[pid 11896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11893, si_uid=65534} ---
[pid 11896] --- stopped by SIGSTOP ---
[pid 11893] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11893] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11897 attached
, child_tidptr=0x5555574e8650) = 11897
[pid 11897] set_robust_list(0x5555574e8660, 24) = 0
[pid 11897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11897] setpgid(0, 0)               = 0
[pid 11897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11897] write(3, "1000", 4)         = 4
[pid 11897] close(3)                    = 0
[pid 11897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.551306][T11893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11897] close(5)                    = 0
[pid 11897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11900 attached
) = 11900
[pid 11897] tkill(11900, SIGSTOP)       = 0
[pid 11897] exit_group(0 <unfinished ...>
[pid 11900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11897, si_uid=65534} ---
[pid 11900] --- stopped by SIGSTOP ---
[pid 11897] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11901 attached
, child_tidptr=0x5555574e8650) = 11901
[pid 11901] set_robust_list(0x5555574e8660, 24) = 0
[pid 11901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11901] setpgid(0, 0)               = 0
[pid 11901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11901] write(3, "1000", 4)         = 4
[pid 11901] close(3)                    = 0
[pid 11901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.597101][T11897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11901] close(5)                    = 0
[pid 11901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11904 attached
) = 11904
[pid 11901] tkill(11904, SIGSTOP)       = 0
[pid 11904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11901, si_uid=65534} ---
[pid 11901] exit_group(0 <unfinished ...>
[pid 11904] --- stopped by SIGSTOP ---
[pid 11901] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11901, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11905 attached
, child_tidptr=0x5555574e8650) = 11905
[pid 11905] set_robust_list(0x5555574e8660, 24) = 0
[pid 11905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11905] setpgid(0, 0)               = 0
[pid 11905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11905] write(3, "1000", 4)         = 4
[pid 11905] close(3)                    = 0
[pid 11905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.640855][T11901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11905] close(5)                    = 0
[pid 11905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11908 attached
) = 11908
[pid 11905] tkill(11908, SIGSTOP)       = 0
[pid 11908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11905, si_uid=65534} ---
[pid 11905] exit_group(0 <unfinished ...>
[pid 11908] --- stopped by SIGSTOP ---
[pid 11905] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11905] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11905, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11909 attached
, child_tidptr=0x5555574e8650) = 11909
[pid 11909] set_robust_list(0x5555574e8660, 24) = 0
[pid 11909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11909] setpgid(0, 0)               = 0
[pid 11909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11909] write(3, "1000", 4)         = 4
[pid 11909] close(3)                    = 0
[pid 11909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.684370][T11905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11909] close(5)                    = 0
[pid 11909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11912 attached
) = 11912
[pid 11909] tkill(11912, SIGSTOP)       = 0
[pid 11909] exit_group(0 <unfinished ...>
[pid 11912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11909, si_uid=65534} ---
[pid 11909] <... exit_group resumed>)   = ?
[pid 11912] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11913 attached
, child_tidptr=0x5555574e8650) = 11913
[pid 11913] set_robust_list(0x5555574e8660, 24) = 0
[pid 11913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11913] setpgid(0, 0)               = 0
[pid 11913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11913] write(3, "1000", 4)         = 4
[pid 11913] close(3)                    = 0
[pid 11913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.729364][T11909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11913] close(5)                    = 0
[pid 11913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11916 attached
) = 11916
[pid 11913] tkill(11916, SIGSTOP)       = 0
[pid 11916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11913, si_uid=65534} ---
[pid 11916] --- stopped by SIGSTOP ---
[pid 11913] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11917 attached
, child_tidptr=0x5555574e8650) = 11917
[pid 11917] set_robust_list(0x5555574e8660, 24) = 0
[pid 11917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11917] setpgid(0, 0)               = 0
[pid 11917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11917] write(3, "1000", 4)         = 4
[pid 11917] close(3)                    = 0
[pid 11917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.773612][T11913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11917] close(5)                    = 0
[pid 11917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11920 attached
) = 11920
[pid 11917] tkill(11920, SIGSTOP)       = 0
[pid 11920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11917, si_uid=65534} ---
[pid 11917] exit_group(0 <unfinished ...>
[pid 11920] --- stopped by SIGSTOP ---
[pid 11917] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11921 attached
, child_tidptr=0x5555574e8650) = 11921
[pid 11921] set_robust_list(0x5555574e8660, 24) = 0
[pid 11921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11921] setpgid(0, 0)               = 0
[pid 11921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11921] write(3, "1000", 4)         = 4
[pid 11921] close(3)                    = 0
[pid 11921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.828839][T11917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11921] close(5)                    = 0
[pid 11921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11924 attached
) = 11924
[pid 11921] tkill(11924, SIGSTOP <unfinished ...>
[pid 11924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11921, si_uid=65534} ---
[pid 11921] <... tkill resumed>)        = 0
[pid 11924] --- stopped by SIGSTOP ---
[pid 11921] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11921] <... exit_group resumed>)   = ?
[pid 11921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11921, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11925 attached
, child_tidptr=0x5555574e8650) = 11925
[pid 11925] set_robust_list(0x5555574e8660, 24) = 0
[pid 11925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11925] setpgid(0, 0)               = 0
[pid 11925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11925] write(3, "1000", 4)         = 4
[pid 11925] close(3)                    = 0
[pid 11925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.877695][T11921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11925] close(5)                    = 0
[pid 11925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11928 attached
) = 11928
[pid 11925] tkill(11928, SIGSTOP)       = 0
[pid 11928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11925, si_uid=65534} ---
[pid 11925] exit_group(0 <unfinished ...>
[pid 11928] --- stopped by SIGSTOP ---
[pid 11925] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11925] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11925, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11929 attached
, child_tidptr=0x5555574e8650) = 11929
[pid 11929] set_robust_list(0x5555574e8660, 24) = 0
[pid 11929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11929] setpgid(0, 0)               = 0
[pid 11929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11929] write(3, "1000", 4)         = 4
[pid 11929] close(3)                    = 0
[pid 11929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.921795][T11925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11929] close(5)                    = 0
[pid 11929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11932 attached
) = 11932
[pid 11929] tkill(11932, SIGSTOP)       = 0
[pid 11932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11929, si_uid=65534} ---
[pid 11929] exit_group(0 <unfinished ...>
[pid 11932] --- stopped by SIGSTOP ---
[pid 11929] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11929] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11933 attached
, child_tidptr=0x5555574e8650) = 11933
[pid 11933] set_robust_list(0x5555574e8660, 24) = 0
[pid 11933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11933] setpgid(0, 0)               = 0
[pid 11933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11933] write(3, "1000", 4)         = 4
[pid 11933] close(3)                    = 0
[pid 11933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  153.973490][T11929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11933] close(5)                    = 0
[pid 11933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11936 attached
) = 11936
[pid 11933] tkill(11936, SIGSTOP)       = 0
[pid 11933] exit_group(0 <unfinished ...>
[pid 11936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11933, si_uid=65534} ---
[pid 11936] --- stopped by SIGSTOP ---
[pid 11933] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11937 attached
, child_tidptr=0x5555574e8650) = 11937
[pid 11937] set_robust_list(0x5555574e8660, 24) = 0
[pid 11937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11937] setpgid(0, 0)               = 0
[pid 11937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11937] write(3, "1000", 4)         = 4
[pid 11937] close(3)                    = 0
[pid 11937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.014685][T11933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11937] close(5)                    = 0
[pid 11937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11940 attached
) = 11940
[pid 11937] tkill(11940, SIGSTOP)       = 0
[pid 11940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11937, si_uid=65534} ---
[pid 11937] exit_group(0 <unfinished ...>
[pid 11940] --- stopped by SIGSTOP ---
[pid 11937] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11937] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11941 attached
 <unfinished ...>
[pid 11941] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 11941
[pid 11941] <... set_robust_list resumed>) = 0
[pid 11941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11941] setpgid(0, 0)               = 0
[pid 11941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11941] write(3, "1000", 4)         = 4
[pid 11941] close(3)                    = 0
[pid 11941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.059379][T11937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11941] close(5)                    = 0
[pid 11941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11944 attached
) = 11944
[pid 11941] tkill(11944, SIGSTOP)       = 0
[pid 11944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11941, si_uid=65534} ---
[pid 11941] exit_group(0 <unfinished ...>
[pid 11944] --- stopped by SIGSTOP ---
[pid 11941] <... exit_group resumed>)   = ?
[pid 11941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11945 attached
, child_tidptr=0x5555574e8650) = 11945
[pid 11945] set_robust_list(0x5555574e8660, 24) = 0
[pid 11945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11945] setpgid(0, 0)               = 0
[pid 11945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11945] write(3, "1000", 4)         = 4
[pid 11945] close(3)                    = 0
[pid 11945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.113164][T11941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11945] close(5)                    = 0
[pid 11945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11948 attached
) = 11948
[pid 11945] tkill(11948, SIGSTOP)       = 0
[pid 11948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11945, si_uid=65534} ---
[pid 11945] exit_group(0 <unfinished ...>
[pid 11948] --- stopped by SIGSTOP ---
[pid 11945] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11945] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11949 attached
, child_tidptr=0x5555574e8650) = 11949
[pid 11949] set_robust_list(0x5555574e8660, 24) = 0
[pid 11949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11949] setpgid(0, 0)               = 0
[pid 11949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11949] write(3, "1000", 4)         = 4
[pid 11949] close(3)                    = 0
[pid 11949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.158974][T11945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11949] close(5)                    = 0
[pid 11949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11952 attached
) = 11952
[pid 11949] tkill(11952, SIGSTOP)       = 0
[pid 11952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11949, si_uid=65534} ---
[pid 11949] exit_group(0 <unfinished ...>
[pid 11952] --- stopped by SIGSTOP ---
[pid 11949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11949, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11953 attached
, child_tidptr=0x5555574e8650) = 11953
[pid 11953] set_robust_list(0x5555574e8660, 24) = 0
[pid 11953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11953] setpgid(0, 0)               = 0
[pid 11953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11953] write(3, "1000", 4)         = 4
[pid 11953] close(3)                    = 0
[pid 11953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.213766][T11949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11953] close(5)                    = 0
[pid 11953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11956 attached
) = 11956
[pid 11953] tkill(11956, SIGSTOP)       = 0
[pid 11956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11953, si_uid=65534} ---
[pid 11953] exit_group(0 <unfinished ...>
[pid 11956] --- stopped by SIGSTOP ---
[pid 11953] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11953, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11957 attached
, child_tidptr=0x5555574e8650) = 11957
[pid 11957] set_robust_list(0x5555574e8660, 24) = 0
[pid 11957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11957] setpgid(0, 0)               = 0
[pid 11957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11957] write(3, "1000", 4)         = 4
[pid 11957] close(3)                    = 0
[pid 11957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.258091][T11953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11957] close(5)                    = 0
[pid 11957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11960 attached
) = 11960
[pid 11957] tkill(11960, SIGSTOP)       = 0
[pid 11960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11957, si_uid=65534} ---
[pid 11957] exit_group(0 <unfinished ...>
[pid 11960] --- stopped by SIGSTOP ---
[pid 11957] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11957] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11961 attached
, child_tidptr=0x5555574e8650) = 11961
[pid 11961] set_robust_list(0x5555574e8660, 24) = 0
[pid 11961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11961] setpgid(0, 0)               = 0
[pid 11961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11961] write(3, "1000", 4)         = 4
[pid 11961] close(3)                    = 0
[pid 11961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.302829][T11957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11961] close(5)                    = 0
[pid 11961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11964 attached
) = 11964
[pid 11961] tkill(11964, SIGSTOP)       = 0
[pid 11964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11961, si_uid=65534} ---
[pid 11961] exit_group(0 <unfinished ...>
[pid 11964] --- stopped by SIGSTOP ---
[pid 11961] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11961, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11965 attached
, child_tidptr=0x5555574e8650) = 11965
[pid 11965] set_robust_list(0x5555574e8660, 24) = 0
[pid 11965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11965] setpgid(0, 0)               = 0
[pid 11965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11965] write(3, "1000", 4)         = 4
[pid 11965] close(3)                    = 0
[pid 11965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.350597][T11961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11965] close(5)                    = 0
[pid 11965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11968 attached
) = 11968
[pid 11965] tkill(11968, SIGSTOP)       = 0
[pid 11965] exit_group(0 <unfinished ...>
[pid 11968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11965, si_uid=65534} ---
[pid 11965] <... exit_group resumed>)   = ?
[pid 11968] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 11965] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11965, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11969 attached
, child_tidptr=0x5555574e8650) = 11969
[pid 11969] set_robust_list(0x5555574e8660, 24) = 0
[pid 11969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11969] setpgid(0, 0)               = 0
[pid 11969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11969] write(3, "1000", 4)         = 4
[pid 11969] close(3)                    = 0
[pid 11969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.399303][T11965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11969] close(5)                    = 0
[pid 11969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11972 attached
) = 11972
[pid 11969] tkill(11972, SIGSTOP)       = 0
[pid 11972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11969, si_uid=65534} ---
[pid 11969] exit_group(0 <unfinished ...>
[pid 11972] --- stopped by SIGSTOP ---
[pid 11969] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11973 attached
, child_tidptr=0x5555574e8650) = 11973
[pid 11973] set_robust_list(0x5555574e8660, 24) = 0
[pid 11973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11973] setpgid(0, 0)               = 0
[pid 11973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11973] write(3, "1000", 4)         = 4
[pid 11973] close(3)                    = 0
[pid 11973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.450932][T11969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11973] close(5)                    = 0
[pid 11973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11976 attached
) = 11976
[pid 11973] tkill(11976, SIGSTOP)       = 0
[pid 11976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11973, si_uid=65534} ---
[pid 11973] exit_group(0 <unfinished ...>
[pid 11976] --- stopped by SIGSTOP ---
[pid 11973] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11973] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11977 attached
, child_tidptr=0x5555574e8650) = 11977
[pid 11977] set_robust_list(0x5555574e8660, 24) = 0
[pid 11977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11977] setpgid(0, 0)               = 0
[pid 11977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11977] write(3, "1000", 4)         = 4
[pid 11977] close(3)                    = 0
[pid 11977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.506101][T11973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11977] close(5)                    = 0
[pid 11977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11980 attached
) = 11980
[pid 11977] tkill(11980, SIGSTOP)       = 0
[pid 11977] exit_group(0 <unfinished ...>
[pid 11980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11977, si_uid=65534} ---
[pid 11977] <... exit_group resumed>)   = ?
[pid 11980] --- stopped by SIGSTOP ---
[pid 11977] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11981 attached
, child_tidptr=0x5555574e8650) = 11981
[pid 11981] set_robust_list(0x5555574e8660, 24) = 0
[pid 11981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11981] setpgid(0, 0)               = 0
[pid 11981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11981] write(3, "1000", 4)         = 4
[pid 11981] close(3)                    = 0
[pid 11981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.559195][T11977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11981] close(5)                    = 0
[pid 11981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11984 attached
) = 11984
[pid 11981] tkill(11984, SIGSTOP)       = 0
[pid 11984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11981, si_uid=65534} ---
[pid 11981] exit_group(0 <unfinished ...>
[pid 11984] --- stopped by SIGSTOP ---
[pid 11981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11985 attached
, child_tidptr=0x5555574e8650) = 11985
[pid 11985] set_robust_list(0x5555574e8660, 24) = 0
[pid 11985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11985] setpgid(0, 0)               = 0
[pid 11985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11985] write(3, "1000", 4)         = 4
[pid 11985] close(3)                    = 0
[pid 11985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.599653][T11981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11985] close(5)                    = 0
[pid 11985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11988 attached
) = 11988
[pid 11985] tkill(11988, SIGSTOP)       = 0
[pid 11988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11985, si_uid=65534} ---
[pid 11985] exit_group(0 <unfinished ...>
[pid 11988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11985] <... exit_group resumed>)   = ?
[pid 11985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11985, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11989 attached
, child_tidptr=0x5555574e8650) = 11989
[pid 11989] set_robust_list(0x5555574e8660, 24) = 0
[pid 11989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11989] setpgid(0, 0)               = 0
[pid 11989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11989] write(3, "1000", 4)         = 4
[pid 11989] close(3)                    = 0
[pid 11989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.653065][T11985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11989] close(5)                    = 0
[pid 11989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11992 attached
) = 11992
[pid 11989] tkill(11992, SIGSTOP)       = 0
[pid 11989] exit_group(0 <unfinished ...>
[pid 11992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11989, si_uid=65534} ---
[pid 11989] <... exit_group resumed>)   = ?
[pid 11992] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11993 attached
, child_tidptr=0x5555574e8650) = 11993
[pid 11993] set_robust_list(0x5555574e8660, 24) = 0
[pid 11993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11993] setpgid(0, 0)               = 0
[pid 11993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11993] write(3, "1000", 4)         = 4
[pid 11993] close(3)                    = 0
[pid 11993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.696920][T11989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11993] close(5)                    = 0
[pid 11993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 11996 attached
) = 11996
[pid 11993] tkill(11996, SIGSTOP)       = 0
[pid 11996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11993, si_uid=65534} ---
[pid 11993] exit_group(0 <unfinished ...>
[pid 11996] --- stopped by SIGSTOP ---
[pid 11993] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=11996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11993] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 11997 attached
, child_tidptr=0x5555574e8650) = 11997
[pid 11997] set_robust_list(0x5555574e8660, 24) = 0
[pid 11997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 11997] setpgid(0, 0)               = 0
[pid 11997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 11997] write(3, "1000", 4)         = 4
[pid 11997] close(3)                    = 0
[pid 11997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 11997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.738614][T11993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 11997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 11997] close(5)                    = 0
[pid 11997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12000 attached
) = 12000
[pid 11997] tkill(12000, SIGSTOP)       = 0
[pid 12000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=11997, si_uid=65534} ---
[pid 12000] --- stopped by SIGSTOP ---
[pid 11997] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 11997] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 11997] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12001 attached
, child_tidptr=0x5555574e8650) = 12001
[pid 12001] set_robust_list(0x5555574e8660, 24) = 0
[pid 12001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12001] setpgid(0, 0)               = 0
[pid 12001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12001] write(3, "1000", 4)         = 4
[pid 12001] close(3)                    = 0
[pid 12001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.791405][T11997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12001] close(5)                    = 0
[pid 12001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12004 attached
) = 12004
[pid 12001] tkill(12004, SIGSTOP)       = 0
[pid 12004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12001, si_uid=65534} ---
[pid 12001] exit_group(0 <unfinished ...>
[pid 12004] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12001] <... exit_group resumed>)   = ?
[pid 12001] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12005 attached
, child_tidptr=0x5555574e8650) = 12005
[pid 12005] set_robust_list(0x5555574e8660, 24) = 0
[pid 12005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12005] setpgid(0, 0)               = 0
[pid 12005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12005] write(3, "1000", 4)         = 4
[pid 12005] close(3)                    = 0
[pid 12005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.834137][T12001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12005] close(5)                    = 0
[pid 12005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12008 attached
) = 12008
[pid 12005] tkill(12008, SIGSTOP)       = 0
[pid 12008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12005, si_uid=65534} ---
[pid 12005] exit_group(0 <unfinished ...>
[pid 12008] --- stopped by SIGSTOP ---
[pid 12005] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12009 attached
, child_tidptr=0x5555574e8650) = 12009
[pid 12009] set_robust_list(0x5555574e8660, 24) = 0
[pid 12009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12009] setpgid(0, 0)               = 0
[pid 12009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12009] write(3, "1000", 4)         = 4
[pid 12009] close(3)                    = 0
[pid 12009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.879294][T12005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12009] close(5)                    = 0
[pid 12009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12012 attached
) = 12012
[pid 12009] tkill(12012, SIGSTOP)       = 0
[pid 12012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12009, si_uid=65534} ---
[pid 12009] exit_group(0 <unfinished ...>
[pid 12012] --- stopped by SIGSTOP ---
[pid 12009] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12009] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12009, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12013 attached
, child_tidptr=0x5555574e8650) = 12013
[pid 12013] set_robust_list(0x5555574e8660, 24) = 0
[pid 12013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12013] setpgid(0, 0)               = 0
[pid 12013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12013] write(3, "1000", 4)         = 4
[pid 12013] close(3)                    = 0
[pid 12013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  154.932494][T12009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12013] close(5)                    = 0
[pid 12013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12016 attached
) = 12016
[pid 12013] tkill(12016, SIGSTOP)       = 0
[pid 12013] exit_group(0 <unfinished ...>
[pid 12016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12013, si_uid=65534} ---
[pid 12013] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12016] --- stopped by SIGSTOP ---
[pid 12013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12013, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12017 attached
, child_tidptr=0x5555574e8650) = 12017
[pid 12017] set_robust_list(0x5555574e8660, 24) = 0
[pid 12017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12017] setpgid(0, 0)               = 0
[pid 12017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12017] write(3, "1000", 4)         = 4
[pid 12017] close(3)                    = 0
[  154.981968][T12013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12017] close(5)                    = 0
[pid 12017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12020 attached
) = 12020
[pid 12017] tkill(12020, SIGSTOP)       = 0
[pid 12020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12017, si_uid=65534} ---
[pid 12017] exit_group(0 <unfinished ...>
[pid 12020] --- stopped by SIGSTOP ---
[pid 12017] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12017, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12021 attached
, child_tidptr=0x5555574e8650) = 12021
[pid 12021] set_robust_list(0x5555574e8660, 24) = 0
[pid 12021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12021] setpgid(0, 0)               = 0
[pid 12021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12021] write(3, "1000", 4)         = 4
[pid 12021] close(3)                    = 0
[pid 12021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.055623][T12017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12021] close(5)                    = 0
[pid 12021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12024 attached
) = 12024
[pid 12021] tkill(12024, SIGSTOP)       = 0
[pid 12024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12021, si_uid=65534} ---
[pid 12021] exit_group(0 <unfinished ...>
[pid 12024] --- stopped by SIGSTOP ---
[pid 12021] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12025 attached
, child_tidptr=0x5555574e8650) = 12025
[pid 12025] set_robust_list(0x5555574e8660, 24) = 0
[pid 12025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12025] setpgid(0, 0)               = 0
[pid 12025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12025] write(3, "1000", 4)         = 4
[pid 12025] close(3)                    = 0
[pid 12025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.099560][T12021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12025] close(5)                    = 0
[pid 12025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12028 attached
) = 12028
[pid 12025] tkill(12028, SIGSTOP)       = 0
[pid 12028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12025, si_uid=65534} ---
[pid 12025] exit_group(0 <unfinished ...>
[pid 12028] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12025] <... exit_group resumed>)   = ?
[pid 12025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12025, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12029 attached
, child_tidptr=0x5555574e8650) = 12029
[pid 12029] set_robust_list(0x5555574e8660, 24) = 0
[pid 12029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12029] setpgid(0, 0)               = 0
[pid 12029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12029] write(3, "1000", 4)         = 4
[pid 12029] close(3)                    = 0
[pid 12029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.143505][T12025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12029] close(5)                    = 0
[pid 12029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12032 attached
) = 12032
[pid 12029] tkill(12032, SIGSTOP)       = 0
[pid 12032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12029, si_uid=65534} ---
[pid 12029] exit_group(0 <unfinished ...>
[pid 12032] --- stopped by SIGSTOP ---
[pid 12029] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12029] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12029, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12033 attached
, child_tidptr=0x5555574e8650) = 12033
[pid 12033] set_robust_list(0x5555574e8660, 24) = 0
[pid 12033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12033] setpgid(0, 0)               = 0
[pid 12033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12033] write(3, "1000", 4)         = 4
[pid 12033] close(3)                    = 0
[pid 12033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.185142][T12029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12033] close(5)                    = 0
[pid 12033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12036 attached
) = 12036
[pid 12033] tkill(12036, SIGSTOP)       = 0
[pid 12036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12033, si_uid=65534} ---
[pid 12033] exit_group(0 <unfinished ...>
[pid 12036] --- stopped by SIGSTOP ---
[pid 12033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12037 attached
, child_tidptr=0x5555574e8650) = 12037
[pid 12037] set_robust_list(0x5555574e8660, 24) = 0
[pid 12037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12037] setpgid(0, 0)               = 0
[pid 12037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12037] write(3, "1000", 4)         = 4
[pid 12037] close(3)                    = 0
[pid 12037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.238219][T12033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12037] close(5)                    = 0
[pid 12037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12040 attached
) = 12040
[pid 12037] tkill(12040, SIGSTOP)       = 0
[pid 12037] exit_group(0 <unfinished ...>
[pid 12040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12037, si_uid=65534} ---
[pid 12037] <... exit_group resumed>)   = ?
[pid 12040] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12041 attached
, child_tidptr=0x5555574e8650) = 12041
[pid 12041] set_robust_list(0x5555574e8660, 24) = 0
[pid 12041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12041] setpgid(0, 0)               = 0
[pid 12041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12041] write(3, "1000", 4)         = 4
[pid 12041] close(3)                    = 0
[pid 12041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.282562][T12037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12041] close(5)                    = 0
[pid 12041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12044 attached
) = 12044
[pid 12041] tkill(12044, SIGSTOP)       = 0
[pid 12044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12041, si_uid=65534} ---
[pid 12041] exit_group(0 <unfinished ...>
[pid 12044] --- stopped by SIGSTOP ---
[pid 12041] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12041, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12045 attached
, child_tidptr=0x5555574e8650) = 12045
[pid 12045] set_robust_list(0x5555574e8660, 24) = 0
[pid 12045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12045] setpgid(0, 0)               = 0
[pid 12045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12045] write(3, "1000", 4)         = 4
[pid 12045] close(3)                    = 0
[pid 12045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.324601][T12041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12045] close(5)                    = 0
[pid 12045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12048 attached
) = 12048
[pid 12045] tkill(12048, SIGSTOP)       = 0
[pid 12048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12045, si_uid=65534} ---
[pid 12045] exit_group(0 <unfinished ...>
[pid 12048] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12045] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12045, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12049 attached
, child_tidptr=0x5555574e8650) = 12049
[pid 12049] set_robust_list(0x5555574e8660, 24) = 0
[pid 12049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12049] setpgid(0, 0)               = 0
[pid 12049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12049] write(3, "1000", 4)         = 4
[pid 12049] close(3)                    = 0
[pid 12049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.377480][T12045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12049] close(5)                    = 0
[pid 12049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12052 attached
) = 12052
[pid 12049] tkill(12052, SIGSTOP)       = 0
[pid 12052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12049, si_uid=65534} ---
[pid 12049] exit_group(0 <unfinished ...>
[pid 12052] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12049] <... exit_group resumed>)   = ?
[pid 12049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12049, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12053 attached
, child_tidptr=0x5555574e8650) = 12053
[pid 12053] set_robust_list(0x5555574e8660, 24) = 0
[pid 12053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12053] setpgid(0, 0)               = 0
[pid 12053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12053] write(3, "1000", 4)         = 4
[pid 12053] close(3)                    = 0
[pid 12053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.434804][T12049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12053] close(5)                    = 0
[pid 12053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12056 attached
) = 12056
[pid 12053] tkill(12056, SIGSTOP)       = 0
[pid 12056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12053, si_uid=65534} ---
[pid 12053] exit_group(0 <unfinished ...>
[pid 12056] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12053] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12053, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12057 attached
, child_tidptr=0x5555574e8650) = 12057
[pid 12057] set_robust_list(0x5555574e8660, 24) = 0
[pid 12057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12057] setpgid(0, 0)               = 0
[pid 12057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12057] write(3, "1000", 4)         = 4
[pid 12057] close(3)                    = 0
[pid 12057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.496600][T12053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12057] close(5)                    = 0
[pid 12057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12060 attached
) = 12060
[pid 12057] tkill(12060, SIGSTOP)       = 0
[pid 12060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12057, si_uid=65534} ---
[pid 12057] exit_group(0 <unfinished ...>
[pid 12060] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12057] <... exit_group resumed>)   = ?
[pid 12057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12061 attached
, child_tidptr=0x5555574e8650) = 12061
[pid 12061] set_robust_list(0x5555574e8660, 24) = 0
[pid 12061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12061] setpgid(0, 0)               = 0
[pid 12061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12061] write(3, "1000", 4)         = 4
[pid 12061] close(3)                    = 0
[pid 12061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.539248][T12057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12061] close(5)                    = 0
[pid 12061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12064 attached
) = 12064
[pid 12061] tkill(12064, SIGSTOP)       = 0
[pid 12064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12061, si_uid=65534} ---
[pid 12064] --- stopped by SIGSTOP ---
[pid 12061] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12061] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12061] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12065 attached
, child_tidptr=0x5555574e8650) = 12065
[pid 12065] set_robust_list(0x5555574e8660, 24) = 0
[pid 12065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12065] setpgid(0, 0)               = 0
[pid 12065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12065] write(3, "1000", 4)         = 4
[pid 12065] close(3)                    = 0
[pid 12065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.595040][T12061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12065] close(5)                    = 0
[pid 12065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12068 attached
) = 12068
[pid 12065] tkill(12068, SIGSTOP)       = 0
[pid 12068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12065, si_uid=65534} ---
[pid 12065] exit_group(0 <unfinished ...>
[pid 12068] --- stopped by SIGSTOP ---
[pid 12065] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12065, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12069 attached
, child_tidptr=0x5555574e8650) = 12069
[pid 12069] set_robust_list(0x5555574e8660, 24) = 0
[pid 12069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12069] setpgid(0, 0)               = 0
[pid 12069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12069] write(3, "1000", 4)         = 4
[pid 12069] close(3)                    = 0
[pid 12069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.641228][T12065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12069] close(5)                    = 0
[pid 12069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12072 attached
) = 12072
[pid 12069] tkill(12072, SIGSTOP)       = 0
[pid 12072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12069, si_uid=65534} ---
[pid 12069] exit_group(0 <unfinished ...>
[pid 12072] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12069] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12069, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12073 attached
, child_tidptr=0x5555574e8650) = 12073
[pid 12073] set_robust_list(0x5555574e8660, 24) = 0
[pid 12073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12073] setpgid(0, 0)               = 0
[pid 12073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12073] write(3, "1000", 4)         = 4
[pid 12073] close(3)                    = 0
[pid 12073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.693899][T12069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12073] close(5)                    = 0
[pid 12073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12076 attached
) = 12076
[pid 12073] tkill(12076, SIGSTOP)       = 0
[pid 12073] exit_group(0 <unfinished ...>
[pid 12076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12073, si_uid=65534} ---
[pid 12073] <... exit_group resumed>)   = ?
[pid 12076] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12077 attached
 <unfinished ...>
[pid 12077] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 12077
[pid 12077] <... set_robust_list resumed>) = 0
[pid 12077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12077] setpgid(0, 0)               = 0
[pid 12077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12077] write(3, "1000", 4)         = 4
[pid 12077] close(3)                    = 0
[pid 12077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.746771][T12073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12077] close(5)                    = 0
[pid 12077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12080 attached
) = 12080
[pid 12077] tkill(12080, SIGSTOP)       = 0
[pid 12077] exit_group(0 <unfinished ...>
[pid 12080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12077, si_uid=65534} ---
[pid 12077] <... exit_group resumed>)   = ?
[pid 12080] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12077] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12081 attached
, child_tidptr=0x5555574e8650) = 12081
[pid 12081] set_robust_list(0x5555574e8660, 24) = 0
[pid 12081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12081] setpgid(0, 0)               = 0
[pid 12081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12081] write(3, "1000", 4)         = 4
[pid 12081] close(3)                    = 0
[pid 12081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.792218][T12077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12081] close(5)                    = 0
[pid 12081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12084 attached
) = 12084
[pid 12081] tkill(12084, SIGSTOP)       = 0
[pid 12084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12081, si_uid=65534} ---
[pid 12081] exit_group(0 <unfinished ...>
[pid 12084] --- stopped by SIGSTOP ---
[pid 12081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12081] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12085 attached
, child_tidptr=0x5555574e8650) = 12085
[pid 12085] set_robust_list(0x5555574e8660, 24) = 0
[pid 12085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12085] setpgid(0, 0)               = 0
[pid 12085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12085] write(3, "1000", 4)         = 4
[pid 12085] close(3)                    = 0
[pid 12085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.848310][T12081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12085] close(5)                    = 0
[pid 12085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12088 attached
) = 12088
[pid 12085] tkill(12088, SIGSTOP)       = 0
[pid 12085] exit_group(0 <unfinished ...>
[pid 12088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12085, si_uid=65534} ---
[pid 12085] <... exit_group resumed>)   = ?
[pid 12088] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12085] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12089 attached
, child_tidptr=0x5555574e8650) = 12089
[pid 12089] set_robust_list(0x5555574e8660, 24) = 0
[pid 12089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12089] setpgid(0, 0)               = 0
[pid 12089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12089] write(3, "1000", 4)         = 4
[pid 12089] close(3)                    = 0
[pid 12089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.892966][T12085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12089] close(5)                    = 0
[pid 12089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12092 attached
) = 12092
[pid 12089] tkill(12092, SIGSTOP)       = 0
[pid 12092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12089, si_uid=65534} ---
[pid 12089] exit_group(0 <unfinished ...>
[pid 12092] --- stopped by SIGSTOP ---
[pid 12089] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12093 attached
, child_tidptr=0x5555574e8650) = 12093
[pid 12093] set_robust_list(0x5555574e8660, 24) = 0
[pid 12093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12093] setpgid(0, 0)               = 0
[pid 12093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12093] write(3, "1000", 4)         = 4
[pid 12093] close(3)                    = 0
[pid 12093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.935073][T12089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12093] close(5)                    = 0
[pid 12093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12096 attached
) = 12096
[pid 12093] tkill(12096, SIGSTOP)       = 0
[pid 12096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12093, si_uid=65534} ---
[pid 12093] exit_group(0 <unfinished ...>
[pid 12096] --- stopped by SIGSTOP ---
[pid 12093] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12097 attached
, child_tidptr=0x5555574e8650) = 12097
[pid 12097] set_robust_list(0x5555574e8660, 24) = 0
[pid 12097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12097] setpgid(0, 0)               = 0
[pid 12097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12097] write(3, "1000", 4)         = 4
[pid 12097] close(3)                    = 0
[pid 12097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  155.979946][T12093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12097] close(5)                    = 0
[pid 12097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12100 attached
) = 12100
[pid 12097] tkill(12100, SIGSTOP)       = 0
[pid 12097] exit_group(0)               = ?
[pid 12100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12097, si_uid=65534} ---
[pid 12100] --- stopped by SIGSTOP ---
[pid 12097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12101 attached
, child_tidptr=0x5555574e8650) = 12101
[pid 12101] set_robust_list(0x5555574e8660, 24) = 0
[pid 12101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12101] setpgid(0, 0)               = 0
[pid 12101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12101] write(3, "1000", 4)         = 4
[pid 12101] close(3)                    = 0
[pid 12101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.025649][T12097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12101] close(5)                    = 0
[pid 12101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12104 attached
) = 12104
[pid 12101] tkill(12104, SIGSTOP)       = 0
[pid 12104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12101, si_uid=65534} ---
[pid 12101] exit_group(0 <unfinished ...>
[pid 12104] --- stopped by SIGSTOP ---
[pid 12101] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12101] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12105 attached
, child_tidptr=0x5555574e8650) = 12105
[pid 12105] set_robust_list(0x5555574e8660, 24) = 0
[pid 12105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12105] setpgid(0, 0)               = 0
[pid 12105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12105] write(3, "1000", 4)         = 4
[pid 12105] close(3)                    = 0
[pid 12105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.088688][T12101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12105] close(5)                    = 0
[pid 12105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12108 attached
) = 12108
[pid 12105] tkill(12108, SIGSTOP)       = 0
[pid 12105] exit_group(0 <unfinished ...>
[pid 12108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12105, si_uid=65534} ---
[pid 12105] <... exit_group resumed>)   = ?
[pid 12108] --- stopped by SIGSTOP ---
[pid 12105] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12109 attached
, child_tidptr=0x5555574e8650) = 12109
[pid 12109] set_robust_list(0x5555574e8660, 24) = 0
[pid 12109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12109] setpgid(0, 0)               = 0
[pid 12109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12109] write(3, "1000", 4)         = 4
[pid 12109] close(3)                    = 0
[pid 12109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.134572][T12105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12109] close(5)                    = 0
[pid 12109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12112 attached
) = 12112
[pid 12109] tkill(12112, SIGSTOP)       = 0
[pid 12112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12109, si_uid=65534} ---
[pid 12109] exit_group(0 <unfinished ...>
[pid 12112] --- stopped by SIGSTOP ---
[pid 12109] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12109] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12113 attached
, child_tidptr=0x5555574e8650) = 12113
[pid 12113] set_robust_list(0x5555574e8660, 24) = 0
[pid 12113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12113] setpgid(0, 0)               = 0
[pid 12113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12113] write(3, "1000", 4)         = 4
[pid 12113] close(3)                    = 0
[pid 12113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.189332][T12109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12113] close(5)                    = 0
[pid 12113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12116 attached
) = 12116
[pid 12113] tkill(12116, SIGSTOP)       = 0
[pid 12113] exit_group(0 <unfinished ...>
[pid 12116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12113, si_uid=65534} ---
[pid 12113] <... exit_group resumed>)   = ?
[pid 12116] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12117 attached
, child_tidptr=0x5555574e8650) = 12117
[pid 12117] set_robust_list(0x5555574e8660, 24) = 0
[pid 12117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12117] setpgid(0, 0)               = 0
[pid 12117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12117] write(3, "1000", 4)         = 4
[pid 12117] close(3)                    = 0
[pid 12117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.234025][T12113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12117] close(5)                    = 0
[pid 12117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12120 attached
) = 12120
[pid 12117] tkill(12120, SIGSTOP)       = 0
[pid 12120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12117, si_uid=65534} ---
[pid 12117] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12120] --- stopped by SIGSTOP ---
[pid 12117] <... exit_group resumed>)   = ?
[pid 12117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12121 attached
, child_tidptr=0x5555574e8650) = 12121
[pid 12121] set_robust_list(0x5555574e8660, 24) = 0
[pid 12121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12121] setpgid(0, 0)               = 0
[pid 12121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12121] write(3, "1000", 4)         = 4
[pid 12121] close(3)                    = 0
[pid 12121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.278980][T12117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12121] close(5)                    = 0
[pid 12121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12124 attached
) = 12124
[pid 12121] tkill(12124, SIGSTOP)       = 0
[pid 12124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12121, si_uid=65534} ---
[pid 12121] exit_group(0 <unfinished ...>
[pid 12124] --- stopped by SIGSTOP ---
[pid 12121] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12121] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12125 attached
, child_tidptr=0x5555574e8650) = 12125
[pid 12125] set_robust_list(0x5555574e8660, 24) = 0
[pid 12125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12125] setpgid(0, 0)               = 0
[pid 12125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12125] write(3, "1000", 4)         = 4
[pid 12125] close(3)                    = 0
[pid 12125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.325966][T12121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12125] close(5)                    = 0
[pid 12125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12128 attached
) = 12128
[pid 12125] tkill(12128, SIGSTOP)       = 0
[pid 12125] exit_group(0 <unfinished ...>
[pid 12128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12125, si_uid=65534} ---
[pid 12128] --- stopped by SIGSTOP ---
[pid 12125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12125] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12129 attached
, child_tidptr=0x5555574e8650) = 12129
[pid 12129] set_robust_list(0x5555574e8660, 24) = 0
[pid 12129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12129] setpgid(0, 0)               = 0
[pid 12129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12129] write(3, "1000", 4)         = 4
[pid 12129] close(3)                    = 0
[pid 12129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.380114][T12125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12129] close(5)                    = 0
[pid 12129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12132 attached
) = 12132
[pid 12129] tkill(12132, SIGSTOP)       = 0
[pid 12132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12129, si_uid=65534} ---
[pid 12132] --- stopped by SIGSTOP ---
[pid 12129] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12133 attached
, child_tidptr=0x5555574e8650) = 12133
[pid 12133] set_robust_list(0x5555574e8660, 24) = 0
[pid 12133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12133] setpgid(0, 0)               = 0
[pid 12133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12133] write(3, "1000", 4)         = 4
[pid 12133] close(3)                    = 0
[pid 12133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.423556][T12129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12133] close(5)                    = 0
[pid 12133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12136 attached
) = 12136
[pid 12133] tkill(12136, SIGSTOP)       = 0
[pid 12133] exit_group(0 <unfinished ...>
[pid 12136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12133, si_uid=65534} ---
[pid 12133] <... exit_group resumed>)   = ?
[pid 12136] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12133, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12137 attached
, child_tidptr=0x5555574e8650) = 12137
[pid 12137] set_robust_list(0x5555574e8660, 24) = 0
[pid 12137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12137] setpgid(0, 0)               = 0
[pid 12137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12137] write(3, "1000", 4)         = 4
[pid 12137] close(3)                    = 0
[pid 12137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.470201][T12133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12137] close(5)                    = 0
[pid 12137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12140 attached
) = 12140
[pid 12137] tkill(12140, SIGSTOP)       = 0
[pid 12137] exit_group(0 <unfinished ...>
[pid 12140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12137, si_uid=65534} ---
[pid 12137] <... exit_group resumed>)   = ?
[pid 12140] --- stopped by SIGSTOP ---
[pid 12137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12141 attached
, child_tidptr=0x5555574e8650) = 12141
[pid 12141] set_robust_list(0x5555574e8660, 24) = 0
[pid 12141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12141] setpgid(0, 0)               = 0
[pid 12141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12141] write(3, "1000", 4)         = 4
[pid 12141] close(3)                    = 0
[pid 12141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.517963][T12137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12141] close(5)                    = 0
[pid 12141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12144 attached
) = 12144
[pid 12141] tkill(12144, SIGSTOP)       = 0
[pid 12144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12141, si_uid=65534} ---
[pid 12144] --- stopped by SIGSTOP ---
[pid 12141] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12141] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12141] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12145 attached
, child_tidptr=0x5555574e8650) = 12145
[pid 12145] set_robust_list(0x5555574e8660, 24) = 0
[pid 12145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12145] setpgid(0, 0)               = 0
[pid 12145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12145] write(3, "1000", 4)         = 4
[pid 12145] close(3)                    = 0
[pid 12145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.564033][T12141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12145] close(5)                    = 0
[pid 12145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12148 attached
) = 12148
[pid 12145] tkill(12148, SIGSTOP)       = 0
[pid 12145] exit_group(0 <unfinished ...>
[pid 12148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12145, si_uid=65534} ---
[pid 12145] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12148] --- stopped by SIGSTOP ---
[pid 12145] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12149 attached
, child_tidptr=0x5555574e8650) = 12149
[pid 12149] set_robust_list(0x5555574e8660, 24) = 0
[pid 12149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12149] setpgid(0, 0)               = 0
[pid 12149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12149] write(3, "1000", 4)         = 4
[pid 12149] close(3)                    = 0
[pid 12149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.610417][T12145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12149] close(5)                    = 0
[pid 12149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12152 attached
) = 12152
[pid 12149] tkill(12152, SIGSTOP)       = 0
[pid 12152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12149, si_uid=65534} ---
[pid 12149] exit_group(0 <unfinished ...>
[pid 12152] --- stopped by SIGSTOP ---
[pid 12149] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12153 attached
, child_tidptr=0x5555574e8650) = 12153
[pid 12153] set_robust_list(0x5555574e8660, 24) = 0
[pid 12153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12153] setpgid(0, 0)               = 0
[pid 12153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12153] write(3, "1000", 4)         = 4
[pid 12153] close(3)                    = 0
[pid 12153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.657236][T12149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12153] close(5)                    = 0
[pid 12153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12156 attached
) = 12156
[pid 12153] tkill(12156, SIGSTOP)       = 0
[pid 12156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12153, si_uid=65534} ---
[pid 12153] exit_group(0 <unfinished ...>
[pid 12156] --- stopped by SIGSTOP ---
[pid 12153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12153] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12157 attached
, child_tidptr=0x5555574e8650) = 12157
[pid 12157] set_robust_list(0x5555574e8660, 24) = 0
[pid 12157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12157] setpgid(0, 0)               = 0
[pid 12157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12157] write(3, "1000", 4)         = 4
[pid 12157] close(3)                    = 0
[pid 12157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.702656][T12153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12157] close(5)                    = 0
[pid 12157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12160 attached
) = 12160
[pid 12157] tkill(12160, SIGSTOP)       = 0
[pid 12160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12157, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12160] --- stopped by SIGSTOP ---
[pid 12157] exit_group(0)               = ?
[pid 12157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12161 attached
, child_tidptr=0x5555574e8650) = 12161
[pid 12161] set_robust_list(0x5555574e8660, 24) = 0
[pid 12161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12161] setpgid(0, 0)               = 0
[pid 12161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12161] write(3, "1000", 4)         = 4
[pid 12161] close(3)                    = 0
[pid 12161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.761189][T12157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12161] close(5)                    = 0
[pid 12161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12164 attached
) = 12164
[pid 12161] tkill(12164, SIGSTOP)       = 0
[pid 12161] exit_group(0 <unfinished ...>
[pid 12164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12161, si_uid=65534} ---
[pid 12164] --- stopped by SIGSTOP ---
[pid 12161] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12161] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12161, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12165 attached
, child_tidptr=0x5555574e8650) = 12165
[pid 12165] set_robust_list(0x5555574e8660, 24) = 0
[pid 12165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12165] setpgid(0, 0)               = 0
[pid 12165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12165] write(3, "1000", 4)         = 4
[pid 12165] close(3)                    = 0
[pid 12165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.807236][T12161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12165] close(5)                    = 0
[pid 12165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12168 attached
) = 12168
[pid 12165] tkill(12168, SIGSTOP)       = 0
[pid 12165] exit_group(0 <unfinished ...>
[pid 12168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12165, si_uid=65534} ---
[pid 12168] --- stopped by SIGSTOP ---
[pid 12165] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12165] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12165, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12169 attached
, child_tidptr=0x5555574e8650) = 12169
[pid 12169] set_robust_list(0x5555574e8660, 24) = 0
[pid 12169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12169] setpgid(0, 0)               = 0
[pid 12169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12169] write(3, "1000", 4)         = 4
[pid 12169] close(3)                    = 0
[pid 12169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.861682][T12165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12169] close(5)                    = 0
[pid 12169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12172 attached
) = 12172
[pid 12169] tkill(12172, SIGSTOP)       = 0
[pid 12172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12169, si_uid=65534} ---
[pid 12169] exit_group(0 <unfinished ...>
[pid 12172] --- stopped by SIGSTOP ---
[pid 12169] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12169] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12169, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12173 attached
, child_tidptr=0x5555574e8650) = 12173
[pid 12173] set_robust_list(0x5555574e8660, 24) = 0
[pid 12173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12173] setpgid(0, 0)               = 0
[pid 12173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12173] write(3, "1000", 4)         = 4
[pid 12173] close(3)                    = 0
[pid 12173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.906304][T12169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12173] close(5)                    = 0
[pid 12173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12176 attached
) = 12176
[pid 12173] tkill(12176, SIGSTOP <unfinished ...>
[pid 12176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12173, si_uid=65534} ---
[pid 12173] <... tkill resumed>)        = 0
[pid 12176] --- stopped by SIGSTOP ---
[pid 12173] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12173] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12173] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12177 attached
, child_tidptr=0x5555574e8650) = 12177
[pid 12177] set_robust_list(0x5555574e8660, 24) = 0
[pid 12177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12177] setpgid(0, 0)               = 0
[pid 12177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12177] write(3, "1000", 4)         = 4
[pid 12177] close(3)                    = 0
[pid 12177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.949930][T12173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12177] close(5)                    = 0
[pid 12177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12180 attached
) = 12180
[pid 12177] tkill(12180, SIGSTOP)       = 0
[pid 12180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12177, si_uid=65534} ---
[pid 12177] exit_group(0 <unfinished ...>
[pid 12180] --- stopped by SIGSTOP ---
[pid 12177] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12181 attached
, child_tidptr=0x5555574e8650) = 12181
[pid 12181] set_robust_list(0x5555574e8660, 24) = 0
[pid 12181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12181] setpgid(0, 0)               = 0
[pid 12181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12181] write(3, "1000", 4)         = 4
[pid 12181] close(3)                    = 0
[pid 12181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  156.990333][T12177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12181] close(5)                    = 0
[pid 12181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12184 attached
) = 12184
[pid 12181] tkill(12184, SIGSTOP)       = 0
[pid 12184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12181, si_uid=65534} ---
[pid 12181] exit_group(0 <unfinished ...>
[pid 12184] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12181] <... exit_group resumed>)   = ?
[pid 12181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12185 attached
, child_tidptr=0x5555574e8650) = 12185
[pid 12185] set_robust_list(0x5555574e8660, 24) = 0
[pid 12185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12185] setpgid(0, 0)               = 0
[pid 12185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12185] write(3, "1000", 4)         = 4
[pid 12185] close(3)                    = 0
[pid 12185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.046917][T12181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12185] close(5)                    = 0
[pid 12185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12188 attached
) = 12188
[pid 12185] tkill(12188, SIGSTOP)       = 0
[pid 12188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12185, si_uid=65534} ---
[pid 12185] exit_group(0 <unfinished ...>
[pid 12188] --- stopped by SIGSTOP ---
[pid 12185] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12185] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12185, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12189 attached
, child_tidptr=0x5555574e8650) = 12189
[pid 12189] set_robust_list(0x5555574e8660, 24) = 0
[pid 12189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12189] setpgid(0, 0)               = 0
[pid 12189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12189] write(3, "1000", 4)         = 4
[pid 12189] close(3)                    = 0
[pid 12189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.104751][T12185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12189] close(5)                    = 0
[pid 12189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12192 attached
) = 12192
[pid 12189] tkill(12192, SIGSTOP <unfinished ...>
[pid 12192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12189, si_uid=65534} ---
[pid 12189] <... tkill resumed>)        = 0
[pid 12192] --- stopped by SIGSTOP ---
[pid 12189] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12189] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12189] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12193 attached
, child_tidptr=0x5555574e8650) = 12193
[pid 12193] set_robust_list(0x5555574e8660, 24) = 0
[pid 12193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12193] setpgid(0, 0)               = 0
[pid 12193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12193] write(3, "1000", 4)         = 4
[pid 12193] close(3)                    = 0
[pid 12193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.151067][T12189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12193] close(5)                    = 0
[pid 12193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12196 attached
) = 12196
[pid 12193] tkill(12196, SIGSTOP)       = 0
[pid 12196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12193, si_uid=65534} ---
[pid 12193] exit_group(0 <unfinished ...>
[pid 12196] --- stopped by SIGSTOP ---
[pid 12193] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12197 attached
, child_tidptr=0x5555574e8650) = 12197
[pid 12197] set_robust_list(0x5555574e8660, 24) = 0
[pid 12197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12197] setpgid(0, 0)               = 0
[pid 12197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12197] write(3, "1000", 4)         = 4
[pid 12197] close(3)                    = 0
[pid 12197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.196860][T12193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12197] close(5)                    = 0
[pid 12197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12200 attached
) = 12200
[pid 12197] tkill(12200, SIGSTOP)       = 0
[pid 12200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12197, si_uid=65534} ---
[pid 12197] exit_group(0 <unfinished ...>
[pid 12200] --- stopped by SIGSTOP ---
[pid 12197] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12197, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12201 attached
, child_tidptr=0x5555574e8650) = 12201
[pid 12201] set_robust_list(0x5555574e8660, 24) = 0
[pid 12201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12201] setpgid(0, 0)               = 0
[pid 12201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12201] write(3, "1000", 4)         = 4
[pid 12201] close(3)                    = 0
[pid 12201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.242921][T12197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12201] close(5)                    = 0
[pid 12201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12204 attached
) = 12204
[pid 12201] tkill(12204, SIGSTOP)       = 0
[pid 12204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12201, si_uid=65534} ---
[pid 12201] exit_group(0 <unfinished ...>
[pid 12204] --- stopped by SIGSTOP ---
[pid 12201] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12201, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12205 attached
, child_tidptr=0x5555574e8650) = 12205
[pid 12205] set_robust_list(0x5555574e8660, 24) = 0
[pid 12205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12205] setpgid(0, 0)               = 0
[pid 12205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12205] write(3, "1000", 4)         = 4
[pid 12205] close(3)                    = 0
[pid 12205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.291798][T12201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12205] close(5)                    = 0
[pid 12205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12208 attached
) = 12208
[pid 12205] tkill(12208, SIGSTOP)       = 0
[pid 12205] exit_group(0 <unfinished ...>
[pid 12208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12205, si_uid=65534} ---
[pid 12205] <... exit_group resumed>)   = ?
[pid 12208] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12209 attached
, child_tidptr=0x5555574e8650) = 12209
[pid 12209] set_robust_list(0x5555574e8660, 24) = 0
[pid 12209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12209] setpgid(0, 0)               = 0
[pid 12209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12209] write(3, "1000", 4)         = 4
[pid 12209] close(3)                    = 0
[pid 12209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.336652][T12205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12209] close(5)                    = 0
[pid 12209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12212 attached
) = 12212
[pid 12209] tkill(12212, SIGSTOP)       = 0
[pid 12212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12209, si_uid=65534} ---
[pid 12209] exit_group(0 <unfinished ...>
[pid 12212] --- stopped by SIGSTOP ---
[pid 12209] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12213 attached
, child_tidptr=0x5555574e8650) = 12213
[pid 12213] set_robust_list(0x5555574e8660, 24) = 0
[pid 12213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12213] setpgid(0, 0)               = 0
[pid 12213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12213] write(3, "1000", 4)         = 4
[pid 12213] close(3)                    = 0
[pid 12213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.383009][T12209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12213] close(5)                    = 0
[pid 12213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12216 attached
) = 12216
[pid 12213] tkill(12216, SIGSTOP)       = 0
[pid 12216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12213, si_uid=65534} ---
[pid 12213] exit_group(0)               = ?
[pid 12216] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12213] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12213, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12217 attached
, child_tidptr=0x5555574e8650) = 12217
[pid 12217] set_robust_list(0x5555574e8660, 24) = 0
[pid 12217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12217] setpgid(0, 0)               = 0
[pid 12217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12217] write(3, "1000", 4)         = 4
[pid 12217] close(3)                    = 0
[pid 12217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.425053][T12213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12217] close(5)                    = 0
[pid 12217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12220 attached
) = 12220
[pid 12217] tkill(12220, SIGSTOP)       = 0
[pid 12220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12217, si_uid=65534} ---
[pid 12217] exit_group(0 <unfinished ...>
[pid 12220] --- stopped by SIGSTOP ---
[pid 12217] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12221 attached
, child_tidptr=0x5555574e8650) = 12221
[pid 12221] set_robust_list(0x5555574e8660, 24) = 0
[pid 12221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12221] setpgid(0, 0)               = 0
[pid 12221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12221] write(3, "1000", 4)         = 4
[pid 12221] close(3)                    = 0
[pid 12221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.471786][T12217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12221] close(5)                    = 0
[pid 12221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12224 attached
) = 12224
[pid 12221] tkill(12224, SIGSTOP)       = 0
[pid 12224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12221, si_uid=65534} ---
[pid 12221] exit_group(0 <unfinished ...>
[pid 12224] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12221] <... exit_group resumed>)   = ?
[pid 12221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12225 attached
, child_tidptr=0x5555574e8650) = 12225
[pid 12225] set_robust_list(0x5555574e8660, 24) = 0
[pid 12225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12225] setpgid(0, 0)               = 0
[pid 12225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12225] write(3, "1000", 4)         = 4
[pid 12225] close(3)                    = 0
[pid 12225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.519574][T12221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12225] close(5)                    = 0
[pid 12225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12228 attached
) = 12228
[pid 12225] tkill(12228, SIGSTOP)       = 0
[pid 12228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12225, si_uid=65534} ---
[pid 12225] exit_group(0 <unfinished ...>
[pid 12228] --- stopped by SIGSTOP ---
[pid 12225] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12225] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12229 attached
, child_tidptr=0x5555574e8650) = 12229
[pid 12229] set_robust_list(0x5555574e8660, 24) = 0
[pid 12229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12229] setpgid(0, 0)               = 0
[pid 12229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12229] write(3, "1000", 4)         = 4
[pid 12229] close(3)                    = 0
[pid 12229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.566673][T12225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12229] close(5)                    = 0
[pid 12229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12232 attached
) = 12232
[pid 12229] tkill(12232, SIGSTOP)       = 0
[pid 12232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12229, si_uid=65534} ---
[pid 12229] exit_group(0 <unfinished ...>
[pid 12232] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12229] <... exit_group resumed>)   = ?
[pid 12229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12233 attached
, child_tidptr=0x5555574e8650) = 12233
[pid 12233] set_robust_list(0x5555574e8660, 24) = 0
[pid 12233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12233] setpgid(0, 0)               = 0
[pid 12233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12233] write(3, "1000", 4)         = 4
[pid 12233] close(3)                    = 0
[pid 12233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.619195][T12229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12233] close(5)                    = 0
[pid 12233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12236 attached
) = 12236
[pid 12233] tkill(12236, SIGSTOP)       = 0
[pid 12233] exit_group(0 <unfinished ...>
[pid 12236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12233, si_uid=65534} ---
[pid 12233] <... exit_group resumed>)   = ?
[pid 12236] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12233, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12237 attached
, child_tidptr=0x5555574e8650) = 12237
[pid 12237] set_robust_list(0x5555574e8660, 24) = 0
[pid 12237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12237] setpgid(0, 0)               = 0
[pid 12237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12237] write(3, "1000", 4)         = 4
[pid 12237] close(3)                    = 0
[pid 12237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.678323][T12233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12237] close(5)                    = 0
[pid 12237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12240 attached
) = 12240
[pid 12237] tkill(12240, SIGSTOP)       = 0
[pid 12240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12237, si_uid=65534} ---
[pid 12237] exit_group(0 <unfinished ...>
[pid 12240] --- stopped by SIGSTOP ---
[pid 12237] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12237] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12237, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12241 attached
, child_tidptr=0x5555574e8650) = 12241
[pid 12241] set_robust_list(0x5555574e8660, 24) = 0
[pid 12241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12241] setpgid(0, 0)               = 0
[pid 12241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12241] write(3, "1000", 4)         = 4
[pid 12241] close(3)                    = 0
[pid 12241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.724356][T12237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12241] close(5)                    = 0
[pid 12241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12244 attached
) = 12244
[pid 12241] tkill(12244, SIGSTOP)       = 0
[pid 12241] exit_group(0 <unfinished ...>
[pid 12244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12241, si_uid=65534} ---
[pid 12244] --- stopped by SIGSTOP ---
[pid 12241] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12241] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12241, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12245 attached
, child_tidptr=0x5555574e8650) = 12245
[pid 12245] set_robust_list(0x5555574e8660, 24) = 0
[pid 12245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12245] setpgid(0, 0)               = 0
[pid 12245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12245] write(3, "1000", 4)         = 4
[pid 12245] close(3)                    = 0
[pid 12245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.771672][T12241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12245] close(5)                    = 0
[pid 12245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12248 attached
) = 12248
[pid 12245] tkill(12248, SIGSTOP)       = 0
[pid 12248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12245, si_uid=65534} ---
[pid 12245] exit_group(0 <unfinished ...>
[pid 12248] --- stopped by SIGSTOP ---
[pid 12245] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12249 attached
, child_tidptr=0x5555574e8650) = 12249
[pid 12249] set_robust_list(0x5555574e8660, 24) = 0
[pid 12249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12249] setpgid(0, 0)               = 0
[pid 12249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12249] write(3, "1000", 4)         = 4
[pid 12249] close(3)                    = 0
[  157.818896][T12245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12249] close(5)                    = 0
[pid 12249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12252 attached
) = 12252
[pid 12249] tkill(12252, SIGSTOP)       = 0
[pid 12252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12249, si_uid=65534} ---
[pid 12249] exit_group(0 <unfinished ...>
[pid 12252] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12249] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12249, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12253 attached
, child_tidptr=0x5555574e8650) = 12253
[pid 12253] set_robust_list(0x5555574e8660, 24) = 0
[pid 12253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12253] setpgid(0, 0)               = 0
[pid 12253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12253] write(3, "1000", 4)         = 4
[pid 12253] close(3)                    = 0
[pid 12253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.885217][T12249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12253] close(5)                    = 0
[pid 12253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12256 attached
) = 12256
[pid 12253] tkill(12256, SIGSTOP)       = 0
[pid 12253] exit_group(0)               = ?
[pid 12256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12253, si_uid=65534} ---
[pid 12253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 12256] --- stopped by SIGSTOP ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12257 attached
, child_tidptr=0x5555574e8650) = 12257
[pid 12257] set_robust_list(0x5555574e8660, 24) = 0
[pid 12257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12257] setpgid(0, 0)               = 0
[pid 12257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12257] write(3, "1000", 4)         = 4
[pid 12257] close(3)                    = 0
[pid 12257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.931789][T12253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12257] close(5)                    = 0
[pid 12257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12260 attached
) = 12260
[pid 12257] tkill(12260, SIGSTOP)       = 0
[pid 12260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12257, si_uid=65534} ---
[pid 12257] exit_group(0 <unfinished ...>
[pid 12260] --- stopped by SIGSTOP ---
[pid 12257] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12257] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12257, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12261 attached
, child_tidptr=0x5555574e8650) = 12261
[pid 12261] set_robust_list(0x5555574e8660, 24) = 0
[pid 12261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12261] setpgid(0, 0)               = 0
[pid 12261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12261] write(3, "1000", 4)         = 4
[pid 12261] close(3)                    = 0
[pid 12261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  157.976204][T12257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12261] close(5)                    = 0
[pid 12261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12264 attached
) = 12264
[pid 12261] tkill(12264, SIGSTOP)       = 0
[pid 12261] exit_group(0 <unfinished ...>
[pid 12264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12261, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12264] --- stopped by SIGSTOP ---
[pid 12261] <... exit_group resumed>)   = ?
[pid 12261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12265 attached
, child_tidptr=0x5555574e8650) = 12265
[pid 12265] set_robust_list(0x5555574e8660, 24) = 0
[pid 12265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12265] setpgid(0, 0)               = 0
[pid 12265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12265] write(3, "1000", 4)         = 4
[pid 12265] close(3)                    = 0
[pid 12265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.021556][T12261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12265] close(5)                    = 0
[pid 12265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12268 attached
) = 12268
[pid 12265] tkill(12268, SIGSTOP)       = 0
[pid 12268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12265, si_uid=65534} ---
[pid 12268] --- stopped by SIGSTOP ---
[pid 12265] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12265] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12269 attached
, child_tidptr=0x5555574e8650) = 12269
[pid 12269] set_robust_list(0x5555574e8660, 24) = 0
[pid 12269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12269] setpgid(0, 0)               = 0
[pid 12269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12269] write(3, "1000", 4)         = 4
[pid 12269] close(3)                    = 0
[pid 12269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.079597][T12265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12269] close(5)                    = 0
[pid 12269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12272 attached
) = 12272
[pid 12269] tkill(12272, SIGSTOP)       = 0
[pid 12272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12269, si_uid=65534} ---
[pid 12269] exit_group(0 <unfinished ...>
[pid 12272] --- stopped by SIGSTOP ---
[pid 12269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12269] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12269, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12273 attached
, child_tidptr=0x5555574e8650) = 12273
[pid 12273] set_robust_list(0x5555574e8660, 24) = 0
[pid 12273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12273] setpgid(0, 0)               = 0
[pid 12273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12273] write(3, "1000", 4)         = 4
[pid 12273] close(3)                    = 0
[pid 12273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.134463][T12269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12273] close(5)                    = 0
[pid 12273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12276 attached
) = 12276
[pid 12273] tkill(12276, SIGSTOP)       = 0
[pid 12276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12273, si_uid=65534} ---
[pid 12276] --- stopped by SIGSTOP ---
[pid 12273] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12273] <... exit_group resumed>)   = ?
[pid 12273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12277 attached
, child_tidptr=0x5555574e8650) = 12277
[pid 12277] set_robust_list(0x5555574e8660, 24) = 0
[pid 12277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12277] setpgid(0, 0)               = 0
[pid 12277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12277] write(3, "1000", 4)         = 4
[pid 12277] close(3)                    = 0
[pid 12277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.181711][T12273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12277] close(5)                    = 0
[pid 12277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12280 attached
) = 12280
[pid 12277] tkill(12280, SIGSTOP)       = 0
[pid 12280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12277, si_uid=65534} ---
[pid 12277] exit_group(0 <unfinished ...>
[pid 12280] --- stopped by SIGSTOP ---
[pid 12277] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12281 attached
, child_tidptr=0x5555574e8650) = 12281
[pid 12281] set_robust_list(0x5555574e8660, 24) = 0
[pid 12281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12281] setpgid(0, 0)               = 0
[pid 12281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12281] write(3, "1000", 4)         = 4
[pid 12281] close(3)                    = 0
[pid 12281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.228695][T12277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12281] close(5)                    = 0
[pid 12281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12284 attached
) = 12284
[pid 12281] tkill(12284, SIGSTOP)       = 0
[pid 12284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12281, si_uid=65534} ---
[pid 12281] exit_group(0)               = ?
[pid 12284] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12285 attached
, child_tidptr=0x5555574e8650) = 12285
[pid 12285] set_robust_list(0x5555574e8660, 24) = 0
[pid 12285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12285] setpgid(0, 0)               = 0
[pid 12285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12285] write(3, "1000", 4)         = 4
[pid 12285] close(3)                    = 0
[pid 12285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.287714][T12281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12285] close(5)                    = 0
[pid 12285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12288 attached
) = 12288
[pid 12285] tkill(12288, SIGSTOP)       = 0
[pid 12288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12285, si_uid=65534} ---
[pid 12285] exit_group(0 <unfinished ...>
[pid 12288] --- stopped by SIGSTOP ---
[pid 12285] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12289 attached
, child_tidptr=0x5555574e8650) = 12289
[pid 12289] set_robust_list(0x5555574e8660, 24) = 0
[pid 12289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12289] setpgid(0, 0)               = 0
[pid 12289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12289] write(3, "1000", 4)         = 4
[pid 12289] close(3)                    = 0
[pid 12289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.344162][T12285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12289] close(5)                    = 0
[pid 12289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12292 attached
) = 12292
[pid 12289] tkill(12292, SIGSTOP)       = 0
[pid 12292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12289, si_uid=65534} ---
[pid 12289] exit_group(0 <unfinished ...>
[pid 12292] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12289] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12293 attached
, child_tidptr=0x5555574e8650) = 12293
[pid 12293] set_robust_list(0x5555574e8660, 24) = 0
[pid 12293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12293] setpgid(0, 0)               = 0
[pid 12293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12293] write(3, "1000", 4)         = 4
[pid 12293] close(3)                    = 0
[pid 12293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.407716][T12289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12293] close(5)                    = 0
[pid 12293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12296 attached
) = 12296
[pid 12293] tkill(12296, SIGSTOP)       = 0
[pid 12296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12293, si_uid=65534} ---
[pid 12293] exit_group(0 <unfinished ...>
[pid 12296] --- stopped by SIGSTOP ---
[pid 12293] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12293, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12297 attached
, child_tidptr=0x5555574e8650) = 12297
[pid 12297] set_robust_list(0x5555574e8660, 24) = 0
[pid 12297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12297] setpgid(0, 0)               = 0
[pid 12297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12297] write(3, "1000", 4)         = 4
[pid 12297] close(3)                    = 0
[pid 12297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.453414][T12293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12297] close(5)                    = 0
[pid 12297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12300 attached
) = 12300
[pid 12297] tkill(12300, SIGSTOP)       = 0
[pid 12300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12297, si_uid=65534} ---
[pid 12297] exit_group(0 <unfinished ...>
[pid 12300] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12297] <... exit_group resumed>)   = ?
[pid 12297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12297, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12301 attached
, child_tidptr=0x5555574e8650) = 12301
[pid 12301] set_robust_list(0x5555574e8660, 24) = 0
[pid 12301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12301] setpgid(0, 0)               = 0
[pid 12301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12301] write(3, "1000", 4)         = 4
[pid 12301] close(3)                    = 0
[pid 12301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.501047][T12297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12301] close(5)                    = 0
[pid 12301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12304 attached
) = 12304
[pid 12301] tkill(12304, SIGSTOP)       = 0
[pid 12304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12301, si_uid=65534} ---
[pid 12301] exit_group(0 <unfinished ...>
[pid 12304] --- stopped by SIGSTOP ---
[pid 12301] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12301] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12305 attached
, child_tidptr=0x5555574e8650) = 12305
[pid 12305] set_robust_list(0x5555574e8660, 24) = 0
[pid 12305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12305] setpgid(0, 0)               = 0
[pid 12305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12305] write(3, "1000", 4)         = 4
[pid 12305] close(3)                    = 0
[pid 12305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.546865][T12301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12305] close(5)                    = 0
[pid 12305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12308 attached
) = 12308
[pid 12305] tkill(12308, SIGSTOP)       = 0
[pid 12308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12305, si_uid=65534} ---
[pid 12308] --- stopped by SIGSTOP ---
[pid 12305] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12305] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12305, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12309 attached
, child_tidptr=0x5555574e8650) = 12309
[pid 12309] set_robust_list(0x5555574e8660, 24) = 0
[pid 12309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12309] setpgid(0, 0)               = 0
[pid 12309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12309] write(3, "1000", 4)         = 4
[pid 12309] close(3)                    = 0
[pid 12309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.595772][T12305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12309] close(5)                    = 0
[pid 12309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12312 attached
) = 12312
[pid 12309] tkill(12312, SIGSTOP <unfinished ...>
[pid 12312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12309, si_uid=65534} ---
[pid 12309] <... tkill resumed>)        = 0
[pid 12312] --- stopped by SIGSTOP ---
[pid 12309] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12309] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12313 attached
, child_tidptr=0x5555574e8650) = 12313
[pid 12313] set_robust_list(0x5555574e8660, 24) = 0
[pid 12313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12313] setpgid(0, 0)               = 0
[pid 12313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12313] write(3, "1000", 4)         = 4
[pid 12313] close(3)                    = 0
[pid 12313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.641697][T12309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12313] close(5)                    = 0
[pid 12313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12316 attached
) = 12316
[pid 12313] tkill(12316, SIGSTOP)       = 0
[pid 12313] exit_group(0 <unfinished ...>
[pid 12316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12313, si_uid=65534} ---
[pid 12313] <... exit_group resumed>)   = ?
[pid 12316] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12313] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12317 attached
, child_tidptr=0x5555574e8650) = 12317
[pid 12317] set_robust_list(0x5555574e8660, 24) = 0
[pid 12317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12317] setpgid(0, 0)               = 0
[pid 12317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12317] write(3, "1000", 4)         = 4
[pid 12317] close(3)                    = 0
[pid 12317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.698647][T12313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12317] close(5)                    = 0
[pid 12317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12320 attached
) = 12320
[pid 12317] tkill(12320, SIGSTOP)       = 0
[pid 12320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12317, si_uid=65534} ---
[pid 12317] exit_group(0)               = ?
[pid 12320] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12321 attached
, child_tidptr=0x5555574e8650) = 12321
[pid 12321] set_robust_list(0x5555574e8660, 24) = 0
[pid 12321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12321] setpgid(0, 0)               = 0
[pid 12321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12321] write(3, "1000", 4)         = 4
[pid 12321] close(3)                    = 0
[pid 12321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.743878][T12317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12321] close(5)                    = 0
[pid 12321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12324 attached
) = 12324
[pid 12321] tkill(12324, SIGSTOP)       = 0
[pid 12321] exit_group(0 <unfinished ...>
[pid 12324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12321, si_uid=65534} ---
[pid 12321] <... exit_group resumed>)   = ?
[pid 12324] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12325 attached
, child_tidptr=0x5555574e8650) = 12325
[pid 12325] set_robust_list(0x5555574e8660, 24) = 0
[pid 12325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12325] setpgid(0, 0)               = 0
[pid 12325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12325] write(3, "1000", 4)         = 4
[pid 12325] close(3)                    = 0
[pid 12325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.792358][T12321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12325] close(5)                    = 0
[pid 12325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12328 attached
) = 12328
[pid 12325] tkill(12328, SIGSTOP)       = 0
[pid 12328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12325, si_uid=65534} ---
[pid 12325] exit_group(0 <unfinished ...>
[pid 12328] --- stopped by SIGSTOP ---
[pid 12325] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12325, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12329 attached
, child_tidptr=0x5555574e8650) = 12329
[pid 12329] set_robust_list(0x5555574e8660, 24) = 0
[pid 12329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12329] setpgid(0, 0)               = 0
[pid 12329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12329] write(3, "1000", 4)         = 4
[pid 12329] close(3)                    = 0
[  158.833928][T12325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12329] close(5)                    = 0
[pid 12329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12332 attached
) = 12332
[pid 12329] tkill(12332, SIGSTOP)       = 0
[pid 12332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12329, si_uid=65534} ---
[pid 12329] exit_group(0 <unfinished ...>
[pid 12332] --- stopped by SIGSTOP ---
[pid 12329] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12333 attached
, child_tidptr=0x5555574e8650) = 12333
[pid 12333] set_robust_list(0x5555574e8660, 24) = 0
[pid 12333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12333] setpgid(0, 0)               = 0
[pid 12333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12333] write(3, "1000", 4)         = 4
[pid 12333] close(3)                    = 0
[pid 12333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.908534][T12329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12333] close(5)                    = 0
[pid 12333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12336 attached
) = 12336
[pid 12333] tkill(12336, SIGSTOP)       = 0
[pid 12336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12333, si_uid=65534} ---
[pid 12333] exit_group(0 <unfinished ...>
[pid 12336] --- stopped by SIGSTOP ---
[pid 12333] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12333] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12333, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12337 attached
, child_tidptr=0x5555574e8650) = 12337
[pid 12337] set_robust_list(0x5555574e8660, 24) = 0
[pid 12337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12337] setpgid(0, 0)               = 0
[pid 12337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12337] write(3, "1000", 4)         = 4
[pid 12337] close(3)                    = 0
[pid 12337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  158.954926][T12333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12337] close(5)                    = 0
[pid 12337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12340 attached
) = 12340
[pid 12337] tkill(12340, SIGSTOP)       = 0
[pid 12340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12337, si_uid=65534} ---
[pid 12337] exit_group(0 <unfinished ...>
[pid 12340] --- stopped by SIGSTOP ---
[pid 12337] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12337, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12341 attached
, child_tidptr=0x5555574e8650) = 12341
[pid 12341] set_robust_list(0x5555574e8660, 24) = 0
[pid 12341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12341] setpgid(0, 0)               = 0
[pid 12341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12341] write(3, "1000", 4)         = 4
[pid 12341] close(3)                    = 0
[pid 12341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.004401][T12337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12341] close(5)                    = 0
[pid 12341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12344 attached
) = 12344
[pid 12341] tkill(12344, SIGSTOP)       = 0
[pid 12344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12341, si_uid=65534} ---
[pid 12344] --- stopped by SIGSTOP ---
[pid 12341] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12341] <... exit_group resumed>)   = ?
[pid 12341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12345 attached
, child_tidptr=0x5555574e8650) = 12345
[pid 12345] set_robust_list(0x5555574e8660, 24) = 0
[pid 12345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12345] setpgid(0, 0)               = 0
[pid 12345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12345] write(3, "1000", 4)         = 4
[pid 12345] close(3)                    = 0
[pid 12345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.062533][T12341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12345] close(5)                    = 0
[pid 12345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12348 attached
) = 12348
[pid 12345] tkill(12348, SIGSTOP)       = 0
[pid 12345] exit_group(0 <unfinished ...>
[pid 12348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12345, si_uid=65534} ---
[pid 12348] --- stopped by SIGSTOP ---
[pid 12345] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12345, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12349 attached
, child_tidptr=0x5555574e8650) = 12349
[pid 12349] set_robust_list(0x5555574e8660, 24) = 0
[pid 12349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12349] setpgid(0, 0)               = 0
[pid 12349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12349] write(3, "1000", 4)         = 4
[pid 12349] close(3)                    = 0
[pid 12349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.111649][T12345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12349] close(5)                    = 0
[pid 12349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12352 attached
) = 12352
[pid 12349] tkill(12352, SIGSTOP)       = 0
[pid 12349] exit_group(0 <unfinished ...>
[pid 12352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12349, si_uid=65534} ---
[pid 12349] <... exit_group resumed>)   = ?
[pid 12352] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12353 attached
, child_tidptr=0x5555574e8650) = 12353
[pid 12353] set_robust_list(0x5555574e8660, 24) = 0
[pid 12353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12353] setpgid(0, 0)               = 0
[pid 12353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12353] write(3, "1000", 4)         = 4
[pid 12353] close(3)                    = 0
[pid 12353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.158512][T12349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12353] close(5)                    = 0
[pid 12353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12356 attached
) = 12356
[pid 12353] tkill(12356, SIGSTOP)       = 0
[pid 12356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12353, si_uid=65534} ---
[pid 12356] --- stopped by SIGSTOP ---
[pid 12353] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12353] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12353, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12357 attached
, child_tidptr=0x5555574e8650) = 12357
[pid 12357] set_robust_list(0x5555574e8660, 24) = 0
[pid 12357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12357] setpgid(0, 0)               = 0
[pid 12357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12357] write(3, "1000", 4)         = 4
[pid 12357] close(3)                    = 0
[pid 12357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.213503][T12353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12357] close(5)                    = 0
[pid 12357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12360 attached
) = 12360
[pid 12357] tkill(12360, SIGSTOP)       = 0
[pid 12360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12357, si_uid=65534} ---
[pid 12357] exit_group(0 <unfinished ...>
[pid 12360] --- stopped by SIGSTOP ---
[pid 12357] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12361 attached
, child_tidptr=0x5555574e8650) = 12361
[pid 12361] set_robust_list(0x5555574e8660, 24) = 0
[pid 12361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12361] setpgid(0, 0)               = 0
[pid 12361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12361] write(3, "1000", 4)         = 4
[pid 12361] close(3)                    = 0
[pid 12361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.272730][T12357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12361] close(5)                    = 0
[pid 12361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12364 attached
) = 12364
[pid 12361] tkill(12364, SIGSTOP)       = 0
[pid 12361] exit_group(0)               = ?
[pid 12364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12361, si_uid=65534} ---
[pid 12361] +++ exited with 0 +++
[pid 12364] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12361, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12365 attached
, child_tidptr=0x5555574e8650) = 12365
[pid 12365] set_robust_list(0x5555574e8660, 24) = 0
[pid 12365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12365] setpgid(0, 0)               = 0
[pid 12365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12365] write(3, "1000", 4)         = 4
[pid 12365] close(3)                    = 0
[pid 12365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.320387][T12361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12365] close(5)                    = 0
[pid 12365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12368 attached
) = 12368
[pid 12365] tkill(12368, SIGSTOP)       = 0
[pid 12368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12365, si_uid=65534} ---
[pid 12365] exit_group(0 <unfinished ...>
[pid 12368] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12365] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12369 attached
, child_tidptr=0x5555574e8650) = 12369
[pid 12369] set_robust_list(0x5555574e8660, 24) = 0
[pid 12369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12369] setpgid(0, 0)               = 0
[pid 12369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12369] write(3, "1000", 4)         = 4
[pid 12369] close(3)                    = 0
[pid 12369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.378038][T12365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12369] close(5)                    = 0
[pid 12369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12372 attached
) = 12372
[pid 12369] tkill(12372, SIGSTOP)       = 0
[pid 12369] exit_group(0 <unfinished ...>
[pid 12372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12369, si_uid=65534} ---
[pid 12372] --- stopped by SIGSTOP ---
[pid 12369] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12373 attached
, child_tidptr=0x5555574e8650) = 12373
[pid 12373] set_robust_list(0x5555574e8660, 24) = 0
[pid 12373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12373] setpgid(0, 0)               = 0
[pid 12373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12373] write(3, "1000", 4)         = 4
[pid 12373] close(3)                    = 0
[pid 12373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.432129][T12369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12373] close(5)                    = 0
[pid 12373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12376 attached
) = 12376
[pid 12373] tkill(12376, SIGSTOP)       = 0
[pid 12373] exit_group(0 <unfinished ...>
[pid 12376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12373, si_uid=65534} ---
[pid 12373] <... exit_group resumed>)   = ?
[pid 12376] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12377 attached
, child_tidptr=0x5555574e8650) = 12377
[pid 12377] set_robust_list(0x5555574e8660, 24) = 0
[pid 12377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12377] setpgid(0, 0)               = 0
[pid 12377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12377] write(3, "1000", 4)         = 4
[pid 12377] close(3)                    = 0
[pid 12377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.489787][T12373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12377] close(5)                    = 0
[pid 12377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12380 attached
) = 12380
[pid 12377] tkill(12380, SIGSTOP)       = 0
[pid 12380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12377, si_uid=65534} ---
[pid 12377] exit_group(0 <unfinished ...>
[pid 12380] --- stopped by SIGSTOP ---
[pid 12377] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12381 attached
, child_tidptr=0x5555574e8650) = 12381
[pid 12381] set_robust_list(0x5555574e8660, 24) = 0
[pid 12381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12381] setpgid(0, 0)               = 0
[pid 12381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12381] write(3, "1000", 4)         = 4
[pid 12381] close(3)                    = 0
[pid 12381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.547784][T12377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12381] close(5)                    = 0
[pid 12381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12384 attached
) = 12384
[pid 12381] tkill(12384, SIGSTOP)       = 0
[pid 12384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12381, si_uid=65534} ---
[pid 12381] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12384] --- stopped by SIGSTOP ---
[pid 12381] <... exit_group resumed>)   = ?
[pid 12381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12385 attached
, child_tidptr=0x5555574e8650) = 12385
[pid 12385] set_robust_list(0x5555574e8660, 24) = 0
[pid 12385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12385] setpgid(0, 0)               = 0
[pid 12385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12385] write(3, "1000", 4)         = 4
[pid 12385] close(3)                    = 0
[pid 12385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.604478][T12381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12385] close(5)                    = 0
[pid 12385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12388 attached
) = 12388
[pid 12385] tkill(12388, SIGSTOP)       = 0
[pid 12385] exit_group(0 <unfinished ...>
[pid 12388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12385, si_uid=65534} ---
[pid 12385] <... exit_group resumed>)   = ?
[pid 12388] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12389 attached
, child_tidptr=0x5555574e8650) = 12389
[pid 12389] set_robust_list(0x5555574e8660, 24) = 0
[pid 12389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12389] setpgid(0, 0)               = 0
[pid 12389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12389] write(3, "1000", 4)         = 4
[pid 12389] close(3)                    = 0
[pid 12389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.660997][T12385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12389] close(5)                    = 0
[pid 12389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12392 attached
) = 12392
[pid 12389] tkill(12392, SIGSTOP)       = 0
[pid 12389] exit_group(0 <unfinished ...>
[pid 12392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12389, si_uid=65534} ---
[pid 12392] --- stopped by SIGSTOP ---
[pid 12389] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12389, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12393 attached
, child_tidptr=0x5555574e8650) = 12393
[pid 12393] set_robust_list(0x5555574e8660, 24) = 0
[pid 12393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12393] setpgid(0, 0)               = 0
[pid 12393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12393] write(3, "1000", 4)         = 4
[pid 12393] close(3)                    = 0
[pid 12393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.708079][T12389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12393] close(5)                    = 0
[pid 12393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12396 attached
) = 12396
[pid 12393] tkill(12396, SIGSTOP)       = 0
[pid 12396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12393, si_uid=65534} ---
[pid 12393] exit_group(0 <unfinished ...>
[pid 12396] --- stopped by SIGSTOP ---
[pid 12393] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12393, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12397 attached
, child_tidptr=0x5555574e8650) = 12397
[pid 12397] set_robust_list(0x5555574e8660, 24) = 0
[pid 12397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12397] setpgid(0, 0)               = 0
[pid 12397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12397] write(3, "1000", 4)         = 4
[pid 12397] close(3)                    = 0
[pid 12397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.754450][T12393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12397] close(5)                    = 0
[pid 12397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12400 attached
) = 12400
[pid 12397] tkill(12400, SIGSTOP)       = 0
[pid 12400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12397, si_uid=65534} ---
[pid 12397] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12400] --- stopped by SIGSTOP ---
[pid 12397] <... exit_group resumed>)   = ?
[pid 12397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12397, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12401 attached
, child_tidptr=0x5555574e8650) = 12401
[pid 12401] set_robust_list(0x5555574e8660, 24) = 0
[pid 12401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12401] setpgid(0, 0)               = 0
[pid 12401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12401] write(3, "1000", 4)         = 4
[pid 12401] close(3)                    = 0
[pid 12401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.799898][T12397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12401] close(5)                    = 0
[pid 12401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12404 attached
) = 12404
[pid 12401] tkill(12404, SIGSTOP)       = 0
[pid 12404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12401, si_uid=65534} ---
[pid 12401] exit_group(0 <unfinished ...>
[pid 12404] --- stopped by SIGSTOP ---
[pid 12401] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12405 attached
, child_tidptr=0x5555574e8650) = 12405
[pid 12405] set_robust_list(0x5555574e8660, 24) = 0
[pid 12405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12405] setpgid(0, 0)               = 0
[pid 12405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12405] write(3, "1000", 4)         = 4
[pid 12405] close(3)                    = 0
[pid 12405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  159.858173][T12401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12405] close(5)                    = 0
[pid 12405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12408 attached
) = 12408
[pid 12405] tkill(12408, SIGSTOP)       = 0
[pid 12408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12405, si_uid=65534} ---
[pid 12405] exit_group(0 <unfinished ...>
[pid 12408] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12405] <... exit_group resumed>)   = ?
[pid 12405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12405, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12409 attached
, child_tidptr=0x5555574e8650) = 12409
[pid 12409] set_robust_list(0x5555574e8660, 24) = 0
[pid 12409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12409] setpgid(0, 0)               = 0
[pid 12409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12409] write(3, "1000", 4)         = 4
[pid 12409] close(3)                    = 0
[pid 12409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.922761][T12405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12409] close(5)                    = 0
[pid 12409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12412 attached
) = 12412
[pid 12409] tkill(12412, SIGSTOP)       = 0
[pid 12409] exit_group(0 <unfinished ...>
[pid 12412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12409, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12412] --- stopped by SIGSTOP ---
[pid 12409] <... exit_group resumed>)   = ?
[pid 12409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12413 attached
, child_tidptr=0x5555574e8650) = 12413
[pid 12413] set_robust_list(0x5555574e8660, 24) = 0
[pid 12413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12413] setpgid(0, 0)               = 0
[pid 12413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12413] write(3, "1000", 4)         = 4
[pid 12413] close(3)                    = 0
[pid 12413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  159.977807][T12409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12413] close(5)                    = 0
[pid 12413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12416 attached
) = 12416
[pid 12413] tkill(12416, SIGSTOP)       = 0
[pid 12416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12413, si_uid=65534} ---
[pid 12413] exit_group(0 <unfinished ...>
[pid 12416] --- stopped by SIGSTOP ---
[pid 12413] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12413] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12417 attached
, child_tidptr=0x5555574e8650) = 12417
[pid 12417] set_robust_list(0x5555574e8660, 24) = 0
[pid 12417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12417] setpgid(0, 0)               = 0
[pid 12417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12417] write(3, "1000", 4)         = 4
[pid 12417] close(3)                    = 0
[pid 12417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.025184][T12413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12417] close(5)                    = 0
[pid 12417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12420 attached
) = 12420
[pid 12417] tkill(12420, SIGSTOP)       = 0
[pid 12417] exit_group(0 <unfinished ...>
[pid 12420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12417, si_uid=65534} ---
[pid 12420] --- stopped by SIGSTOP ---
[pid 12417] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12417, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12421 attached
, child_tidptr=0x5555574e8650) = 12421
[pid 12421] set_robust_list(0x5555574e8660, 24) = 0
[pid 12421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12421] setpgid(0, 0)               = 0
[pid 12421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12421] write(3, "1000", 4)         = 4
[pid 12421] close(3)                    = 0
[pid 12421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.073215][T12417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12421] close(5)                    = 0
[pid 12421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12424 attached
) = 12424
[pid 12421] tkill(12424, SIGSTOP)       = 0
[pid 12424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12421, si_uid=65534} ---
[pid 12421] exit_group(0 <unfinished ...>
[pid 12424] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12421] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12425 attached
, child_tidptr=0x5555574e8650) = 12425
[pid 12425] set_robust_list(0x5555574e8660, 24) = 0
[pid 12425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12425] setpgid(0, 0)               = 0
[pid 12425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12425] write(3, "1000", 4)         = 4
[pid 12425] close(3)                    = 0
[pid 12425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.121251][T12421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12425] close(5)                    = 0
[pid 12425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12428 attached
) = 12428
[pid 12425] tkill(12428, SIGSTOP)       = 0
[pid 12428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12425, si_uid=65534} ---
[pid 12425] exit_group(0 <unfinished ...>
[pid 12428] --- stopped by SIGSTOP ---
[pid 12425] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12429 attached
, child_tidptr=0x5555574e8650) = 12429
[pid 12429] set_robust_list(0x5555574e8660, 24) = 0
[pid 12429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12429] setpgid(0, 0)               = 0
[pid 12429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12429] write(3, "1000", 4)         = 4
[pid 12429] close(3)                    = 0
[pid 12429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.167109][T12425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12429] close(5)                    = 0
[pid 12429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12432 attached
) = 12432
[pid 12429] tkill(12432, SIGSTOP)       = 0
[pid 12432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12429, si_uid=65534} ---
[pid 12429] exit_group(0 <unfinished ...>
[pid 12432] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12429] <... exit_group resumed>)   = ?
[pid 12429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12429, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12433 attached
, child_tidptr=0x5555574e8650) = 12433
[pid 12433] set_robust_list(0x5555574e8660, 24) = 0
[pid 12433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12433] setpgid(0, 0)               = 0
[pid 12433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12433] write(3, "1000", 4)         = 4
[pid 12433] close(3)                    = 0
[pid 12433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.215517][T12429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12433] close(5)                    = 0
[pid 12433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12436 attached
) = 12436
[pid 12433] tkill(12436, SIGSTOP)       = 0
[pid 12436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12433, si_uid=65534} ---
[pid 12433] exit_group(0 <unfinished ...>
[pid 12436] --- stopped by SIGSTOP ---
[pid 12433] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12433] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12437 attached
, child_tidptr=0x5555574e8650) = 12437
[pid 12437] set_robust_list(0x5555574e8660, 24) = 0
[pid 12437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12437] setpgid(0, 0)               = 0
[pid 12437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12437] write(3, "1000", 4)         = 4
[pid 12437] close(3)                    = 0
[pid 12437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.276384][T12433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12437] close(5)                    = 0
[pid 12437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12440 attached
) = 12440
[pid 12437] tkill(12440, SIGSTOP)       = 0
[pid 12440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12437, si_uid=65534} ---
[pid 12437] exit_group(0 <unfinished ...>
[pid 12440] --- stopped by SIGSTOP ---
[pid 12437] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12441 attached
, child_tidptr=0x5555574e8650) = 12441
[pid 12441] set_robust_list(0x5555574e8660, 24) = 0
[pid 12441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12441] setpgid(0, 0)               = 0
[pid 12441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12441] write(3, "1000", 4)         = 4
[pid 12441] close(3)                    = 0
[pid 12441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.323800][T12437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12441] close(5)                    = 0
[pid 12441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12444 attached
) = 12444
[pid 12441] tkill(12444, SIGSTOP)       = 0
[pid 12441] exit_group(0 <unfinished ...>
[pid 12444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12441, si_uid=65534} ---
[pid 12444] --- stopped by SIGSTOP ---
[pid 12441] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12441, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12445 attached
, child_tidptr=0x5555574e8650) = 12445
[pid 12445] set_robust_list(0x5555574e8660, 24) = 0
[pid 12445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12445] setpgid(0, 0)               = 0
[pid 12445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12445] write(3, "1000", 4)         = 4
[pid 12445] close(3)                    = 0
[pid 12445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.382312][T12441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12445] close(5)                    = 0
[pid 12445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12448 attached
) = 12448
[pid 12445] tkill(12448, SIGSTOP)       = 0
[pid 12448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12445, si_uid=65534} ---
[pid 12445] exit_group(0 <unfinished ...>
[pid 12448] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12445] <... exit_group resumed>)   = ?
[pid 12445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12445, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12449 attached
, child_tidptr=0x5555574e8650) = 12449
[pid 12449] set_robust_list(0x5555574e8660, 24) = 0
[pid 12449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12449] setpgid(0, 0)               = 0
[pid 12449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12449] write(3, "1000", 4)         = 4
[pid 12449] close(3)                    = 0
[pid 12449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.435530][T12445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12449] close(5)                    = 0
[pid 12449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12452 attached
) = 12452
[pid 12449] tkill(12452, SIGSTOP)       = 0
[pid 12452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12449, si_uid=65534} ---
[pid 12449] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12452] --- stopped by SIGSTOP ---
[pid 12449] <... exit_group resumed>)   = ?
[pid 12449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12449, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12453 attached
, child_tidptr=0x5555574e8650) = 12453
[pid 12453] set_robust_list(0x5555574e8660, 24) = 0
[pid 12453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12453] setpgid(0, 0)               = 0
[pid 12453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12453] write(3, "1000", 4)         = 4
[pid 12453] close(3)                    = 0
[pid 12453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.482772][T12449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12453] close(5)                    = 0
[pid 12453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12456 attached
) = 12456
[pid 12453] tkill(12456, SIGSTOP)       = 0
[pid 12456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12453, si_uid=65534} ---
[pid 12453] exit_group(0 <unfinished ...>
[pid 12456] --- stopped by SIGSTOP ---
[pid 12453] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12453, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12457 attached
, child_tidptr=0x5555574e8650) = 12457
[pid 12457] set_robust_list(0x5555574e8660, 24) = 0
[pid 12457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12457] setpgid(0, 0)               = 0
[pid 12457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12457] write(3, "1000", 4)         = 4
[pid 12457] close(3)                    = 0
[pid 12457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.530909][T12453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12457] close(5)                    = 0
[pid 12457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12460 attached
) = 12460
[pid 12457] tkill(12460, SIGSTOP)       = 0
[pid 12460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12457, si_uid=65534} ---
[pid 12457] exit_group(0 <unfinished ...>
[pid 12460] --- stopped by SIGSTOP ---
[pid 12457] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12461 attached
, child_tidptr=0x5555574e8650) = 12461
[pid 12461] set_robust_list(0x5555574e8660, 24) = 0
[pid 12461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12461] setpgid(0, 0)               = 0
[pid 12461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12461] write(3, "1000", 4)         = 4
[pid 12461] close(3)                    = 0
[pid 12461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.589045][T12457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12461] close(5)                    = 0
[pid 12461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12464 attached
) = 12464
[pid 12461] tkill(12464, SIGSTOP)       = 0
[pid 12464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12461, si_uid=65534} ---
[pid 12461] exit_group(0 <unfinished ...>
[pid 12464] --- stopped by SIGSTOP ---
[pid 12461] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12465 attached
, child_tidptr=0x5555574e8650) = 12465
[pid 12465] set_robust_list(0x5555574e8660, 24) = 0
[pid 12465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12465] setpgid(0, 0)               = 0
[pid 12465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12465] write(3, "1000", 4)         = 4
[pid 12465] close(3)                    = 0
[pid 12465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.634024][T12461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12465] close(5)                    = 0
[pid 12465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12468 attached
) = 12468
[pid 12465] tkill(12468, SIGSTOP)       = 0
[pid 12465] exit_group(0 <unfinished ...>
[pid 12468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12465, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12468] --- stopped by SIGSTOP ---
[pid 12465] <... exit_group resumed>)   = ?
[pid 12465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12469 attached
, child_tidptr=0x5555574e8650) = 12469
[pid 12469] set_robust_list(0x5555574e8660, 24) = 0
[pid 12469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12469] setpgid(0, 0)               = 0
[pid 12469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12469] write(3, "1000", 4)         = 4
[pid 12469] close(3)                    = 0
[pid 12469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.678811][T12465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12469] close(5)                    = 0
[pid 12469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12472 attached
) = 12472
[pid 12469] tkill(12472, SIGSTOP)       = 0
[pid 12472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12469, si_uid=65534} ---
[pid 12469] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12472] --- stopped by SIGSTOP ---
[pid 12469] <... exit_group resumed>)   = ?
[pid 12469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12469, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12473 attached
, child_tidptr=0x5555574e8650) = 12473
[pid 12473] set_robust_list(0x5555574e8660, 24) = 0
[pid 12473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12473] setpgid(0, 0)               = 0
[pid 12473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12473] write(3, "1000", 4)         = 4
[pid 12473] close(3)                    = 0
[pid 12473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.735138][T12469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12473] close(5)                    = 0
[pid 12473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12476 attached
) = 12476
[pid 12473] tkill(12476, SIGSTOP)       = 0
[pid 12473] exit_group(0 <unfinished ...>
[pid 12476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12473, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12476] --- stopped by SIGSTOP ---
[pid 12473] <... exit_group resumed>)   = ?
[pid 12473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12477 attached
, child_tidptr=0x5555574e8650) = 12477
[pid 12477] set_robust_list(0x5555574e8660, 24) = 0
[pid 12477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12477] setpgid(0, 0)               = 0
[pid 12477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12477] write(3, "1000", 4)         = 4
[pid 12477] close(3)                    = 0
[pid 12477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.782059][T12473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12477] close(5)                    = 0
[pid 12477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12480 attached
) = 12480
[pid 12477] tkill(12480, SIGSTOP)       = 0
[pid 12480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12477, si_uid=65534} ---
[pid 12477] exit_group(0 <unfinished ...>
[pid 12480] --- stopped by SIGSTOP ---
[pid 12477] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12481 attached
, child_tidptr=0x5555574e8650) = 12481
[pid 12481] set_robust_list(0x5555574e8660, 24) = 0
[pid 12481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12481] setpgid(0, 0)               = 0
[pid 12481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12481] write(3, "1000", 4)         = 4
[pid 12481] close(3)                    = 0
[pid 12481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.830075][T12477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12481] close(5)                    = 0
[pid 12481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12484 attached
) = 12484
[pid 12481] tkill(12484, SIGSTOP <unfinished ...>
[pid 12484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12481, si_uid=65534} ---
[pid 12481] <... tkill resumed>)        = 0
[pid 12484] --- stopped by SIGSTOP ---
[pid 12481] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12481] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12485 attached
, child_tidptr=0x5555574e8650) = 12485
[pid 12485] set_robust_list(0x5555574e8660, 24) = 0
[pid 12485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12485] setpgid(0, 0)               = 0
[pid 12485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12485] write(3, "1000", 4)         = 4
[pid 12485] close(3)                    = 0
[pid 12485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.879277][T12481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12485] close(5)                    = 0
[pid 12485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12488 attached
) = 12488
[pid 12485] tkill(12488, SIGSTOP)       = 0
[pid 12488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12485, si_uid=65534} ---
[pid 12485] exit_group(0 <unfinished ...>
[pid 12488] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12485] <... exit_group resumed>)   = ?
[pid 12485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12489 attached
, child_tidptr=0x5555574e8650) = 12489
[pid 12489] set_robust_list(0x5555574e8660, 24) = 0
[pid 12489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12489] setpgid(0, 0)               = 0
[pid 12489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12489] write(3, "1000", 4)         = 4
[pid 12489] close(3)                    = 0
[pid 12489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.924032][T12485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12489] close(5)                    = 0
[pid 12489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12492 attached
) = 12492
[pid 12489] tkill(12492, SIGSTOP)       = 0
[pid 12489] exit_group(0 <unfinished ...>
[pid 12492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12489, si_uid=65534} ---
[pid 12489] <... exit_group resumed>)   = ?
[pid 12492] --- stopped by SIGSTOP ---
[pid 12489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12493 attached
, child_tidptr=0x5555574e8650) = 12493
[pid 12493] set_robust_list(0x5555574e8660, 24) = 0
[pid 12493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12493] setpgid(0, 0)               = 0
[pid 12493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12493] write(3, "1000", 4)         = 4
[pid 12493] close(3)                    = 0
[pid 12493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  160.972624][T12489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12493] close(5)                    = 0
[pid 12493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12496 attached
) = 12496
[pid 12493] tkill(12496, SIGSTOP)       = 0
[pid 12496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12493, si_uid=65534} ---
[pid 12493] exit_group(0 <unfinished ...>
[pid 12496] --- stopped by SIGSTOP ---
[pid 12493] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12497 attached
, child_tidptr=0x5555574e8650) = 12497
[pid 12497] set_robust_list(0x5555574e8660, 24) = 0
[pid 12497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12497] setpgid(0, 0)               = 0
[pid 12497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12497] write(3, "1000", 4)         = 4
[pid 12497] close(3)                    = 0
[pid 12497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.017426][T12493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12497] close(5)                    = 0
[pid 12497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12500 attached
) = 12500
[pid 12497] tkill(12500, SIGSTOP)       = 0
[pid 12500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12497, si_uid=65534} ---
[pid 12497] exit_group(0 <unfinished ...>
[pid 12500] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12497] <... exit_group resumed>)   = ?
[pid 12497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12497, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12501 attached
, child_tidptr=0x5555574e8650) = 12501
[pid 12501] set_robust_list(0x5555574e8660, 24) = 0
[pid 12501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12501] setpgid(0, 0)               = 0
[pid 12501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12501] write(3, "1000", 4)         = 4
[pid 12501] close(3)                    = 0
[pid 12501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.062251][T12497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12501] close(5)                    = 0
[pid 12501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12504 attached
) = 12504
[pid 12501] tkill(12504, SIGSTOP)       = 0
[pid 12504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12501, si_uid=65534} ---
[pid 12501] exit_group(0)               = ?
[pid 12504] --- stopped by SIGSTOP ---
[pid 12501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12505 attached
, child_tidptr=0x5555574e8650) = 12505
[pid 12505] set_robust_list(0x5555574e8660, 24) = 0
[pid 12505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12505] setpgid(0, 0)               = 0
[pid 12505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12505] write(3, "1000", 4)         = 4
[pid 12505] close(3)                    = 0
[pid 12505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.108414][T12501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12505] close(5)                    = 0
[pid 12505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12508 attached
) = 12508
[pid 12505] tkill(12508, SIGSTOP)       = 0
[pid 12508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12505, si_uid=65534} ---
[pid 12505] exit_group(0)               = ?
[pid 12508] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12505, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12509 attached
, child_tidptr=0x5555574e8650) = 12509
[pid 12509] set_robust_list(0x5555574e8660, 24) = 0
[pid 12509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12509] setpgid(0, 0)               = 0
[pid 12509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12509] write(3, "1000", 4)         = 4
[pid 12509] close(3)                    = 0
[pid 12509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.154348][T12505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12509] close(5)                    = 0
[pid 12509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12512 attached
) = 12512
[pid 12509] tkill(12512, SIGSTOP)       = 0
[pid 12512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12509, si_uid=65534} ---
[pid 12509] exit_group(0 <unfinished ...>
[pid 12512] --- stopped by SIGSTOP ---
[pid 12509] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12509] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12513 attached
, child_tidptr=0x5555574e8650) = 12513
[pid 12513] set_robust_list(0x5555574e8660, 24) = 0
[pid 12513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12513] setpgid(0, 0)               = 0
[pid 12513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12513] write(3, "1000", 4)         = 4
[pid 12513] close(3)                    = 0
[pid 12513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.203962][T12509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12513] close(5)                    = 0
[pid 12513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12516 attached
) = 12516
[pid 12513] tkill(12516, SIGSTOP)       = 0
[pid 12516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12513, si_uid=65534} ---
[pid 12513] exit_group(0 <unfinished ...>
[pid 12516] --- stopped by SIGSTOP ---
[pid 12513] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12513, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12517 attached
, child_tidptr=0x5555574e8650) = 12517
[pid 12517] set_robust_list(0x5555574e8660, 24) = 0
[pid 12517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12517] setpgid(0, 0)               = 0
[pid 12517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12517] write(3, "1000", 4)         = 4
[pid 12517] close(3)                    = 0
[pid 12517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.251470][T12513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12517] close(5)                    = 0
[pid 12517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12520 attached
) = 12520
[pid 12517] tkill(12520, SIGSTOP)       = 0
[pid 12517] exit_group(0 <unfinished ...>
[pid 12520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12517, si_uid=65534} ---
[pid 12520] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12517] <... exit_group resumed>)   = ?
[pid 12517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12521 attached
, child_tidptr=0x5555574e8650) = 12521
[pid 12521] set_robust_list(0x5555574e8660, 24) = 0
[pid 12521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12521] setpgid(0, 0)               = 0
[pid 12521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12521] write(3, "1000", 4)         = 4
[pid 12521] close(3)                    = 0
[pid 12521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.306699][T12517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12521] close(5)                    = 0
[pid 12521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12524 attached
) = 12524
[pid 12521] tkill(12524, SIGSTOP)       = 0
[pid 12524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12521, si_uid=65534} ---
[pid 12521] exit_group(0 <unfinished ...>
[pid 12524] --- stopped by SIGSTOP ---
[pid 12521] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12521] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12521, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12525 attached
, child_tidptr=0x5555574e8650) = 12525
[pid 12525] set_robust_list(0x5555574e8660, 24) = 0
[pid 12525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12525] setpgid(0, 0)               = 0
[pid 12525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12525] write(3, "1000", 4)         = 4
[pid 12525] close(3)                    = 0
[pid 12525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.354506][T12521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12525] close(5)                    = 0
[pid 12525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12528 attached
) = 12528
[pid 12525] tkill(12528, SIGSTOP)       = 0
[pid 12528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12525, si_uid=65534} ---
[pid 12525] exit_group(0 <unfinished ...>
[pid 12528] --- stopped by SIGSTOP ---
[pid 12525] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12529 attached
, child_tidptr=0x5555574e8650) = 12529
[pid 12529] set_robust_list(0x5555574e8660, 24) = 0
[pid 12529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12529] setpgid(0, 0)               = 0
[pid 12529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12529] write(3, "1000", 4)         = 4
[pid 12529] close(3)                    = 0
[pid 12529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.400073][T12525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12529] close(5)                    = 0
[pid 12529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12532 attached
) = 12532
[pid 12529] tkill(12532, SIGSTOP)       = 0
[pid 12529] exit_group(0 <unfinished ...>
[pid 12532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12529, si_uid=65534} ---
[pid 12529] <... exit_group resumed>)   = ?
[pid 12532] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12533 attached
, child_tidptr=0x5555574e8650) = 12533
[pid 12533] set_robust_list(0x5555574e8660, 24) = 0
[pid 12533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12533] setpgid(0, 0)               = 0
[pid 12533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12533] write(3, "1000", 4)         = 4
[pid 12533] close(3)                    = 0
[pid 12533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.445501][T12529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12533] close(5)                    = 0
[pid 12533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12536 attached
) = 12536
[pid 12533] tkill(12536, SIGSTOP)       = 0
[pid 12536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12533, si_uid=65534} ---
[pid 12533] exit_group(0 <unfinished ...>
[pid 12536] --- stopped by SIGSTOP ---
[pid 12533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12537 attached
, child_tidptr=0x5555574e8650) = 12537
[pid 12537] set_robust_list(0x5555574e8660, 24) = 0
[pid 12537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12537] setpgid(0, 0)               = 0
[pid 12537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12537] write(3, "1000", 4)         = 4
[pid 12537] close(3)                    = 0
[pid 12537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.494932][T12533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12537] close(5)                    = 0
[pid 12537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12540 attached
) = 12540
[pid 12537] tkill(12540, SIGSTOP)       = 0
[pid 12537] exit_group(0 <unfinished ...>
[pid 12540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12537, si_uid=65534} ---
[pid 12537] <... exit_group resumed>)   = ?
[pid 12540] --- stopped by SIGSTOP ---
[pid 12537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12541 attached
, child_tidptr=0x5555574e8650) = 12541
[pid 12541] set_robust_list(0x5555574e8660, 24) = 0
[pid 12541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12541] setpgid(0, 0)               = 0
[pid 12541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12541] write(3, "1000", 4)         = 4
[pid 12541] close(3)                    = 0
[pid 12541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.551277][T12537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12541] close(5)                    = 0
[pid 12541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12544 attached
) = 12544
[pid 12541] tkill(12544, SIGSTOP)       = 0
[pid 12544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12541, si_uid=65534} ---
[pid 12541] exit_group(0 <unfinished ...>
[pid 12544] --- stopped by SIGSTOP ---
[pid 12541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12545 attached
, child_tidptr=0x5555574e8650) = 12545
[pid 12545] set_robust_list(0x5555574e8660, 24) = 0
[pid 12545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  161.603960][T12541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12545] setpgid(0, 0)               = 0
[pid 12545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12545] write(3, "1000", 4)         = 4
[pid 12545] close(3)                    = 0
[pid 12545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12545] close(5)                    = 0
[pid 12545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12548 attached
) = 12548
[pid 12545] tkill(12548, SIGSTOP <unfinished ...>
[pid 12548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12545, si_uid=65534} ---
[pid 12545] <... tkill resumed>)        = 0
[pid 12548] --- stopped by SIGSTOP ---
[pid 12545] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12545] <... exit_group resumed>)   = ?
[pid 12545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12549 attached
, child_tidptr=0x5555574e8650) = 12549
[pid 12549] set_robust_list(0x5555574e8660, 24) = 0
[pid 12549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12549] setpgid(0, 0)               = 0
[pid 12549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12549] write(3, "1000", 4)         = 4
[pid 12549] close(3)                    = 0
[pid 12549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.680019][T12545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12549] close(5)                    = 0
[pid 12549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12552 attached
) = 12552
[pid 12549] tkill(12552, SIGSTOP)       = 0
[pid 12552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12549, si_uid=65534} ---
[pid 12549] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12552] --- stopped by SIGSTOP ---
[pid 12549] <... exit_group resumed>)   = ?
[pid 12549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12553 attached
, child_tidptr=0x5555574e8650) = 12553
[pid 12553] set_robust_list(0x5555574e8660, 24) = 0
[pid 12553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12553] setpgid(0, 0)               = 0
[pid 12553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12553] write(3, "1000", 4)         = 4
[pid 12553] close(3)                    = 0
[pid 12553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.728166][T12549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12553] close(5)                    = 0
[pid 12553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12556 attached
) = 12556
[pid 12553] tkill(12556, SIGSTOP)       = 0
[pid 12556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12553, si_uid=65534} ---
[pid 12553] exit_group(0 <unfinished ...>
[pid 12556] --- stopped by SIGSTOP ---
[pid 12553] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12553, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12557 attached
, child_tidptr=0x5555574e8650) = 12557
[pid 12557] set_robust_list(0x5555574e8660, 24) = 0
[pid 12557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12557] setpgid(0, 0)               = 0
[pid 12557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12557] write(3, "1000", 4)         = 4
[pid 12557] close(3)                    = 0
[pid 12557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.774444][T12553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12557] close(5)                    = 0
[pid 12557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12560 attached
) = 12560
[pid 12557] tkill(12560, SIGSTOP)       = 0
[pid 12560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12557, si_uid=65534} ---
[pid 12557] exit_group(0 <unfinished ...>
[pid 12560] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12557] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12557] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12561 attached
, child_tidptr=0x5555574e8650) = 12561
[pid 12561] set_robust_list(0x5555574e8660, 24) = 0
[pid 12561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12561] setpgid(0, 0)               = 0
[pid 12561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12561] write(3, "1000", 4)         = 4
[pid 12561] close(3)                    = 0
[pid 12561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.821844][T12557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12561] close(5)                    = 0
[pid 12561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12564 attached
) = 12564
[pid 12561] tkill(12564, SIGSTOP)       = 0
[pid 12561] exit_group(0 <unfinished ...>
[pid 12564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12561, si_uid=65534} ---
[pid 12564] --- stopped by SIGSTOP ---
[pid 12561] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12565 attached
, child_tidptr=0x5555574e8650) = 12565
[pid 12565] set_robust_list(0x5555574e8660, 24) = 0
[pid 12565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12565] setpgid(0, 0)               = 0
[pid 12565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12565] write(3, "1000", 4)         = 4
[pid 12565] close(3)                    = 0
[pid 12565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.867571][T12561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12565] close(5)                    = 0
[pid 12565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12568 attached
) = 12568
[pid 12565] tkill(12568, SIGSTOP)       = 0
[pid 12568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12565, si_uid=65534} ---
[pid 12565] exit_group(0 <unfinished ...>
[pid 12568] --- stopped by SIGSTOP ---
[pid 12565] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12565, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12569 attached
, child_tidptr=0x5555574e8650) = 12569
[pid 12569] set_robust_list(0x5555574e8660, 24) = 0
[pid 12569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12569] setpgid(0, 0)               = 0
[pid 12569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12569] write(3, "1000", 4)         = 4
[pid 12569] close(3)                    = 0
[pid 12569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.914036][T12565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12569] close(5)                    = 0
[pid 12569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12572 attached
) = 12572
[pid 12569] tkill(12572, SIGSTOP)       = 0
[pid 12572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12569, si_uid=65534} ---
[pid 12569] exit_group(0 <unfinished ...>
[pid 12572] --- stopped by SIGSTOP ---
[pid 12569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12569, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12573 attached
, child_tidptr=0x5555574e8650) = 12573
[pid 12573] set_robust_list(0x5555574e8660, 24) = 0
[pid 12573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12573] setpgid(0, 0)               = 0
[pid 12573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12573] write(3, "1000", 4)         = 4
[pid 12573] close(3)                    = 0
[pid 12573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  161.960685][T12569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12573] close(5)                    = 0
[pid 12573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12576 attached
) = 12576
[pid 12573] tkill(12576, SIGSTOP)       = 0
[pid 12573] exit_group(0 <unfinished ...>
[pid 12576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12573, si_uid=65534} ---
[pid 12573] <... exit_group resumed>)   = ?
[pid 12576] --- stopped by SIGSTOP ---
[pid 12573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12577 attached
, child_tidptr=0x5555574e8650) = 12577
[pid 12577] set_robust_list(0x5555574e8660, 24) = 0
[pid 12577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12577] setpgid(0, 0)               = 0
[pid 12577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12577] write(3, "1000", 4)         = 4
[pid 12577] close(3)                    = 0
[pid 12577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.006400][T12573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12577] close(5)                    = 0
[pid 12577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12580 attached
) = 12580
[pid 12577] tkill(12580, SIGSTOP)       = 0
[pid 12580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12577, si_uid=65534} ---
[pid 12577] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12580] --- stopped by SIGSTOP ---
[pid 12577] <... exit_group resumed>)   = ?
[pid 12577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12577, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12581 attached
, child_tidptr=0x5555574e8650) = 12581
[pid 12581] set_robust_list(0x5555574e8660, 24) = 0
[pid 12581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12581] setpgid(0, 0)               = 0
[pid 12581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12581] write(3, "1000", 4)         = 4
[pid 12581] close(3)                    = 0
[pid 12581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.053464][T12577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12581] close(5)                    = 0
[pid 12581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12584 attached
) = 12584
[pid 12581] tkill(12584, SIGSTOP)       = 0
[pid 12584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12581, si_uid=65534} ---
[pid 12581] exit_group(0 <unfinished ...>
[pid 12584] --- stopped by SIGSTOP ---
[pid 12581] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12581] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12585 attached
, child_tidptr=0x5555574e8650) = 12585
[pid 12585] set_robust_list(0x5555574e8660, 24) = 0
[pid 12585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12585] setpgid(0, 0)               = 0
[pid 12585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12585] write(3, "1000", 4)         = 4
[pid 12585] close(3)                    = 0
[pid 12585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.099801][T12581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12585] close(5)                    = 0
[pid 12585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12588 attached
) = 12588
[pid 12585] tkill(12588, SIGSTOP)       = 0
[pid 12588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12585, si_uid=65534} ---
[pid 12585] exit_group(0 <unfinished ...>
[pid 12588] --- stopped by SIGSTOP ---
[pid 12585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12585, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12589 attached
, child_tidptr=0x5555574e8650) = 12589
[pid 12589] set_robust_list(0x5555574e8660, 24) = 0
[pid 12589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12589] setpgid(0, 0)               = 0
[pid 12589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12589] write(3, "1000", 4)         = 4
[pid 12589] close(3)                    = 0
[pid 12589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.154808][T12585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12589] close(5)                    = 0
[pid 12589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12592 attached
) = 12592
[pid 12589] tkill(12592, SIGSTOP)       = 0
[pid 12589] exit_group(0 <unfinished ...>
[pid 12592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12589, si_uid=65534} ---
[pid 12589] <... exit_group resumed>)   = ?
[pid 12592] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12589, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12593 attached
, child_tidptr=0x5555574e8650) = 12593
[pid 12593] set_robust_list(0x5555574e8660, 24) = 0
[pid 12593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12593] setpgid(0, 0)               = 0
[pid 12593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12593] write(3, "1000", 4)         = 4
[pid 12593] close(3)                    = 0
[pid 12593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.212517][T12589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12593] close(5)                    = 0
[pid 12593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12596 attached
) = 12596
[pid 12593] tkill(12596, SIGSTOP)       = 0
[pid 12596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12593, si_uid=65534} ---
[pid 12593] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12596] --- stopped by SIGSTOP ---
[pid 12593] <... exit_group resumed>)   = ?
[pid 12593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12593, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12597 attached
, child_tidptr=0x5555574e8650) = 12597
[pid 12597] set_robust_list(0x5555574e8660, 24) = 0
[pid 12597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12597] setpgid(0, 0)               = 0
[pid 12597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12597] write(3, "1000", 4)         = 4
[pid 12597] close(3)                    = 0
[pid 12597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.270247][T12593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12597] close(5)                    = 0
[pid 12597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12600 attached
) = 12600
[pid 12597] tkill(12600, SIGSTOP)       = 0
[pid 12600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12597, si_uid=65534} ---
[pid 12597] exit_group(0 <unfinished ...>
[pid 12600] --- stopped by SIGSTOP ---
[pid 12597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12597, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12601 attached
, child_tidptr=0x5555574e8650) = 12601
[pid 12601] set_robust_list(0x5555574e8660, 24) = 0
[pid 12601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12601] setpgid(0, 0)               = 0
[pid 12601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12601] write(3, "1000", 4)         = 4
[pid 12601] close(3)                    = 0
[pid 12601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.314763][T12597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12601] close(5)                    = 0
[pid 12601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12604 attached
) = 12604
[pid 12601] tkill(12604, SIGSTOP <unfinished ...>
[pid 12604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12601, si_uid=65534} ---
[pid 12601] <... tkill resumed>)        = 0
[pid 12604] --- stopped by SIGSTOP ---
[pid 12601] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12601] <... exit_group resumed>)   = ?
[pid  5050] <... restart_syscall resumed>) = 0
[pid 12601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12605 attached
, child_tidptr=0x5555574e8650) = 12605
[pid 12605] set_robust_list(0x5555574e8660, 24) = 0
[pid 12605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12605] setpgid(0, 0)               = 0
[pid 12605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12605] write(3, "1000", 4)         = 4
[pid 12605] close(3)                    = 0
[pid 12605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.359789][T12601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12605] close(5)                    = 0
[pid 12605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12608 attached
) = 12608
[pid 12605] tkill(12608, SIGSTOP)       = 0
[pid 12608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12605, si_uid=65534} ---
[pid 12605] exit_group(0 <unfinished ...>
[pid 12608] --- stopped by SIGSTOP ---
[pid 12605] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12609 attached
, child_tidptr=0x5555574e8650) = 12609
[pid 12609] set_robust_list(0x5555574e8660, 24) = 0
[pid 12609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12609] setpgid(0, 0)               = 0
[pid 12609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12609] write(3, "1000", 4)         = 4
[pid 12609] close(3)                    = 0
[pid 12609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.407383][T12605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12609] close(5)                    = 0
[pid 12609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12612 attached
) = 12612
[pid 12609] tkill(12612, SIGSTOP)       = 0
[pid 12609] exit_group(0 <unfinished ...>
[pid 12612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12609, si_uid=65534} ---
[pid 12609] <... exit_group resumed>)   = ?
[pid 12612] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12609] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12613 attached
, child_tidptr=0x5555574e8650) = 12613
[pid 12613] set_robust_list(0x5555574e8660, 24) = 0
[pid 12613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12613] setpgid(0, 0)               = 0
[pid 12613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12613] write(3, "1000", 4)         = 4
[pid 12613] close(3)                    = 0
[pid 12613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.452277][T12609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12613] close(5)                    = 0
[pid 12613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12616 attached
) = 12616
[pid 12613] tkill(12616, SIGSTOP)       = 0
[pid 12613] exit_group(0 <unfinished ...>
[pid 12616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12613, si_uid=65534} ---
[pid 12616] --- stopped by SIGSTOP ---
[pid 12613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12617 attached
, child_tidptr=0x5555574e8650) = 12617
[pid 12617] set_robust_list(0x5555574e8660, 24) = 0
[pid 12617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12617] setpgid(0, 0)               = 0
[pid 12617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12617] write(3, "1000", 4)         = 4
[pid 12617] close(3)                    = 0
[pid 12617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.500477][T12613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12617] close(5)                    = 0
[pid 12617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12620 attached
) = 12620
[pid 12617] tkill(12620, SIGSTOP)       = 0
[pid 12617] exit_group(0 <unfinished ...>
[pid 12620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12617, si_uid=65534} ---
[pid 12617] <... exit_group resumed>)   = ?
[pid 12620] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12621 attached
, child_tidptr=0x5555574e8650) = 12621
[pid 12621] set_robust_list(0x5555574e8660, 24) = 0
[pid 12621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12621] setpgid(0, 0)               = 0
[pid 12621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12621] write(3, "1000", 4)         = 4
[pid 12621] close(3)                    = 0
[pid 12621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.556455][T12617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12621] close(5)                    = 0
[pid 12621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12624 attached
) = 12624
[pid 12621] tkill(12624, SIGSTOP)       = 0
[pid 12621] exit_group(0 <unfinished ...>
[pid 12624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12621, si_uid=65534} ---
[pid 12624] --- stopped by SIGSTOP ---
[pid 12621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12625 attached
, child_tidptr=0x5555574e8650) = 12625
[pid 12625] set_robust_list(0x5555574e8660, 24) = 0
[pid 12625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12625] setpgid(0, 0)               = 0
[pid 12625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12625] write(3, "1000", 4)         = 4
[pid 12625] close(3)                    = 0
[pid 12625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.611439][T12621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12625] close(5)                    = 0
[pid 12625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12628 attached
) = 12628
[pid 12625] tkill(12628, SIGSTOP)       = 0
[pid 12628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12625, si_uid=65534} ---
[pid 12625] exit_group(0 <unfinished ...>
[pid 12628] --- stopped by SIGSTOP ---
[pid 12625] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12625] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12629 attached
, child_tidptr=0x5555574e8650) = 12629
[pid 12629] set_robust_list(0x5555574e8660, 24) = 0
[pid 12629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12629] setpgid(0, 0)               = 0
[pid 12629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12629] write(3, "1000", 4)         = 4
[pid 12629] close(3)                    = 0
[pid 12629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.659418][T12625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12629] close(5)                    = 0
[pid 12629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12632 attached
) = 12632
[pid 12629] tkill(12632, SIGSTOP)       = 0
[pid 12632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12629, si_uid=65534} ---
[pid 12629] exit_group(0 <unfinished ...>
[pid 12632] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12629] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12629, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12633 attached
, child_tidptr=0x5555574e8650) = 12633
[pid 12633] set_robust_list(0x5555574e8660, 24) = 0
[pid 12633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12633] setpgid(0, 0)               = 0
[pid 12633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12633] write(3, "1000", 4)         = 4
[pid 12633] close(3)                    = 0
[pid 12633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.716400][T12629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12633] close(5)                    = 0
[pid 12633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12636 attached
) = 12636
[pid 12633] tkill(12636, SIGSTOP)       = 0
[pid 12636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12633, si_uid=65534} ---
[pid 12633] exit_group(0 <unfinished ...>
[pid 12636] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12633] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12633, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12637 attached
, child_tidptr=0x5555574e8650) = 12637
[pid 12637] set_robust_list(0x5555574e8660, 24) = 0
[pid 12637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12637] setpgid(0, 0)               = 0
[pid 12637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12637] write(3, "1000", 4)         = 4
[pid 12637] close(3)                    = 0
[pid 12637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.772820][T12633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12637] close(5)                    = 0
[pid 12637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12640 attached
) = 12640
[pid 12637] tkill(12640, SIGSTOP)       = 0
[pid 12640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12637, si_uid=65534} ---
[pid 12637] exit_group(0 <unfinished ...>
[pid 12640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12637] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12637, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12641 attached
, child_tidptr=0x5555574e8650) = 12641
[pid 12641] set_robust_list(0x5555574e8660, 24) = 0
[pid 12641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12641] setpgid(0, 0)               = 0
[pid 12641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12641] write(3, "1000", 4)         = 4
[pid 12641] close(3)                    = 0
[pid 12641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.822039][T12637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12641] close(5)                    = 0
[pid 12641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12644 attached
) = 12644
[pid 12641] tkill(12644, SIGSTOP)       = 0
[pid 12644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12641, si_uid=65534} ---
[pid 12641] exit_group(0 <unfinished ...>
[pid 12644] --- stopped by SIGSTOP ---
[pid 12641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12641] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12641, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12645 attached
, child_tidptr=0x5555574e8650) = 12645
[pid 12645] set_robust_list(0x5555574e8660, 24) = 0
[pid 12645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12645] setpgid(0, 0)               = 0
[pid 12645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12645] write(3, "1000", 4)         = 4
[pid 12645] close(3)                    = 0
[pid 12645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.879506][T12641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12645] close(5)                    = 0
[pid 12645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12648 attached
) = 12648
[pid 12645] tkill(12648, SIGSTOP)       = 0
[pid 12648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12645, si_uid=65534} ---
[pid 12645] exit_group(0 <unfinished ...>
[pid 12648] --- stopped by SIGSTOP ---
[pid 12645] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12649 attached
, child_tidptr=0x5555574e8650) = 12649
[pid 12649] set_robust_list(0x5555574e8660, 24) = 0
[pid 12649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12649] setpgid(0, 0)               = 0
[pid 12649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12649] write(3, "1000", 4)         = 4
[pid 12649] close(3)                    = 0
[  162.927702][T12645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12649] close(5)                    = 0
[pid 12649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12652 attached
) = 12652
[pid 12649] tkill(12652, SIGSTOP)       = 0
[pid 12652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12649, si_uid=65534} ---
[pid 12649] exit_group(0 <unfinished ...>
[pid 12652] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12649] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12649] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12653 attached
, child_tidptr=0x5555574e8650) = 12653
[pid 12653] set_robust_list(0x5555574e8660, 24) = 0
[pid 12653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12653] setpgid(0, 0)               = 0
[pid 12653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12653] write(3, "1000", 4)         = 4
[pid 12653] close(3)                    = 0
[pid 12653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  162.995228][T12649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12653] close(5)                    = 0
[pid 12653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12656 attached
) = 12656
[pid 12653] tkill(12656, SIGSTOP)       = 0
[pid 12656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12653, si_uid=65534} ---
[pid 12653] exit_group(0 <unfinished ...>
[pid 12656] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12653] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12653, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12657 attached
, child_tidptr=0x5555574e8650) = 12657
[pid 12657] set_robust_list(0x5555574e8660, 24) = 0
[pid 12657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12657] setpgid(0, 0)               = 0
[pid 12657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12657] write(3, "1000", 4)         = 4
[pid 12657] close(3)                    = 0
[pid 12657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.052926][T12653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12657] close(5)                    = 0
[pid 12657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12660 attached
) = 12660
[pid 12657] tkill(12660, SIGSTOP)       = 0
[pid 12657] exit_group(0)               = ?
[pid 12660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12657, si_uid=65534} ---
[pid 12657] +++ exited with 0 +++
[pid 12660] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12657, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12661 attached
, child_tidptr=0x5555574e8650) = 12661
[pid 12661] set_robust_list(0x5555574e8660, 24) = 0
[pid 12661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12661] setpgid(0, 0)               = 0
[pid 12661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12661] write(3, "1000", 4)         = 4
[pid 12661] close(3)                    = 0
[pid 12661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.110990][T12657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12661] close(5)                    = 0
[pid 12661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12664 attached
) = 12664
[pid 12661] tkill(12664, SIGSTOP <unfinished ...>
[pid 12664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12661, si_uid=65534} ---
[pid 12661] <... tkill resumed>)        = 0
[pid 12664] --- stopped by SIGSTOP ---
[pid 12661] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12661] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12661, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12665 attached
, child_tidptr=0x5555574e8650) = 12665
[pid 12665] set_robust_list(0x5555574e8660, 24) = 0
[pid 12665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12665] setpgid(0, 0)               = 0
[pid 12665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12665] write(3, "1000", 4)         = 4
[pid 12665] close(3)                    = 0
[pid 12665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.160164][T12661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12665] close(5)                    = 0
[pid 12665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12668 attached
) = 12668
[pid 12665] tkill(12668, SIGSTOP)       = 0
[pid 12668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12665, si_uid=65534} ---
[pid 12665] exit_group(0 <unfinished ...>
[pid 12668] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12665] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12665] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12669 attached
, child_tidptr=0x5555574e8650) = 12669
[pid 12669] set_robust_list(0x5555574e8660, 24) = 0
[pid 12669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12669] setpgid(0, 0)               = 0
[pid 12669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12669] write(3, "1000", 4)         = 4
[pid 12669] close(3)                    = 0
[pid 12669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.209619][T12665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12669] close(5)                    = 0
[pid 12669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12672 attached
) = 12672
[pid 12669] tkill(12672, SIGSTOP)       = 0
[pid 12672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12669, si_uid=65534} ---
[pid 12672] --- stopped by SIGSTOP ---
[pid 12669] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12669] <... exit_group resumed>)   = ?
[pid 12669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12673 attached
, child_tidptr=0x5555574e8650) = 12673
[pid 12673] set_robust_list(0x5555574e8660, 24) = 0
[pid 12673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12673] setpgid(0, 0)               = 0
[pid 12673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12673] write(3, "1000", 4)         = 4
[pid 12673] close(3)                    = 0
[pid 12673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.257394][T12669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12673] close(5)                    = 0
[pid 12673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12676 attached
) = 12676
[pid 12673] tkill(12676, SIGSTOP)       = 0
[pid 12676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12673, si_uid=65534} ---
[pid 12673] exit_group(0 <unfinished ...>
[pid 12676] --- stopped by SIGSTOP ---
[pid 12673] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12673] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12677 attached
, child_tidptr=0x5555574e8650) = 12677
[pid 12677] set_robust_list(0x5555574e8660, 24) = 0
[pid 12677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12677] setpgid(0, 0)               = 0
[pid 12677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12677] write(3, "1000", 4)         = 4
[pid 12677] close(3)                    = 0
[pid 12677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.302975][T12673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12677] close(5)                    = 0
[pid 12677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12680 attached
) = 12680
[pid 12677] tkill(12680, SIGSTOP)       = 0
[pid 12677] exit_group(0 <unfinished ...>
[pid 12680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12677, si_uid=65534} ---
[pid 12677] <... exit_group resumed>)   = ?
[pid 12680] --- stopped by SIGSTOP ---
[pid 12677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12681 attached
, child_tidptr=0x5555574e8650) = 12681
[pid 12681] set_robust_list(0x5555574e8660, 24) = 0
[pid 12681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12681] setpgid(0, 0)               = 0
[pid 12681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12681] write(3, "1000", 4)         = 4
[pid 12681] close(3)                    = 0
[pid 12681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.348979][T12677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12681] close(5)                    = 0
[pid 12681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12684 attached
) = 12684
[pid 12681] tkill(12684, SIGSTOP)       = 0
[pid 12681] exit_group(0 <unfinished ...>
[pid 12684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12681, si_uid=65534} ---
[pid 12681] <... exit_group resumed>)   = ?
[pid 12684] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12681] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12685 attached
, child_tidptr=0x5555574e8650) = 12685
[pid 12685] set_robust_list(0x5555574e8660, 24) = 0
[pid 12685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12685] setpgid(0, 0)               = 0
[pid 12685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12685] write(3, "1000", 4)         = 4
[pid 12685] close(3)                    = 0
[pid 12685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.403946][T12681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12685] close(5)                    = 0
[pid 12685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12688 attached
) = 12688
[pid 12685] tkill(12688, SIGSTOP)       = 0
[pid 12685] exit_group(0)               = ?
[pid 12688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12685, si_uid=65534} ---
[pid 12688] --- stopped by SIGSTOP ---
[pid 12685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12689 attached
, child_tidptr=0x5555574e8650) = 12689
[pid 12689] set_robust_list(0x5555574e8660, 24) = 0
[pid 12689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12689] setpgid(0, 0)               = 0
[pid 12689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12689] write(3, "1000", 4)         = 4
[pid 12689] close(3)                    = 0
[pid 12689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.458900][T12685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12689] close(5)                    = 0
[pid 12689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12692 attached
) = 12692
[pid 12689] tkill(12692, SIGSTOP)       = 0
[pid 12692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12689, si_uid=65534} ---
[pid 12689] exit_group(0 <unfinished ...>
[pid 12692] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12689] <... exit_group resumed>)   = ?
[pid 12689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12689, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12693 attached
, child_tidptr=0x5555574e8650) = 12693
[pid 12693] set_robust_list(0x5555574e8660, 24) = 0
[pid 12693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12693] setpgid(0, 0)               = 0
[pid 12693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12693] write(3, "1000", 4)         = 4
[pid 12693] close(3)                    = 0
[pid 12693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.504993][T12689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12693] close(5)                    = 0
[pid 12693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12696 attached
) = 12696
[pid 12693] tkill(12696, SIGSTOP)       = 0
[pid 12696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12693, si_uid=65534} ---
[pid 12693] exit_group(0 <unfinished ...>
[pid 12696] --- stopped by SIGSTOP ---
[pid 12693] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12693, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12697 attached
, child_tidptr=0x5555574e8650) = 12697
[pid 12697] set_robust_list(0x5555574e8660, 24) = 0
[pid 12697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12697] setpgid(0, 0)               = 0
[pid 12697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12697] write(3, "1000", 4)         = 4
[pid 12697] close(3)                    = 0
[pid 12697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.554717][T12693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12697] close(5)                    = 0
[pid 12697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12700 attached
) = 12700
[pid 12697] tkill(12700, SIGSTOP)       = 0
[pid 12697] exit_group(0 <unfinished ...>
[pid 12700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12697, si_uid=65534} ---
[pid 12697] <... exit_group resumed>)   = ?
[pid 12700] --- stopped by SIGSTOP ---
[pid 12697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12701 attached
, child_tidptr=0x5555574e8650) = 12701
[pid 12701] set_robust_list(0x5555574e8660, 24) = 0
[pid 12701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12701] setpgid(0, 0)               = 0
[pid 12701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12701] write(3, "1000", 4)         = 4
[pid 12701] close(3)                    = 0
[pid 12701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.602093][T12697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12701] close(5)                    = 0
[pid 12701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12704 attached
) = 12704
[pid 12701] tkill(12704, SIGSTOP)       = 0
[pid 12704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12701, si_uid=65534} ---
[pid 12701] exit_group(0 <unfinished ...>
[pid 12704] --- stopped by SIGSTOP ---
[pid 12701] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12701, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12705 attached
, child_tidptr=0x5555574e8650) = 12705
[pid 12705] set_robust_list(0x5555574e8660, 24) = 0
[pid 12705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12705] setpgid(0, 0)               = 0
[pid 12705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12705] write(3, "1000", 4)         = 4
[pid 12705] close(3)                    = 0
[pid 12705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.647872][T12701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12705] close(5)                    = 0
[pid 12705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12708 attached
) = 12708
[pid 12705] tkill(12708, SIGSTOP)       = 0
[pid 12708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12705, si_uid=65534} ---
[pid 12705] exit_group(0 <unfinished ...>
[pid 12708] --- stopped by SIGSTOP ---
[pid 12705] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12705, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12709 attached
 <unfinished ...>
[pid 12709] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 12709
[pid 12709] <... set_robust_list resumed>) = 0
[pid 12709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12709] setpgid(0, 0)               = 0
[pid 12709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12709] write(3, "1000", 4)         = 4
[pid 12709] close(3)                    = 0
[pid 12709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.693415][T12705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12709] close(5)                    = 0
[pid 12709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12712 attached
) = 12712
[pid 12709] tkill(12712, SIGSTOP)       = 0
[pid 12712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12709, si_uid=65534} ---
[pid 12709] exit_group(0 <unfinished ...>
[pid 12712] --- stopped by SIGSTOP ---
[pid 12709] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12709] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12713 attached
, child_tidptr=0x5555574e8650) = 12713
[pid 12713] set_robust_list(0x5555574e8660, 24) = 0
[pid 12713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12713] setpgid(0, 0)               = 0
[pid 12713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12713] write(3, "1000", 4)         = 4
[pid 12713] close(3)                    = 0
[pid 12713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.740719][T12709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12713] close(5)                    = 0
[pid 12713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12716 attached
) = 12716
[pid 12713] tkill(12716, SIGSTOP)       = 0
[pid 12716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12713, si_uid=65534} ---
[pid 12713] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12716] --- stopped by SIGSTOP ---
[pid 12713] <... exit_group resumed>)   = ?
[pid 12713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12717 attached
, child_tidptr=0x5555574e8650) = 12717
[pid 12717] set_robust_list(0x5555574e8660, 24) = 0
[pid 12717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12717] setpgid(0, 0)               = 0
[pid 12717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12717] write(3, "1000", 4)         = 4
[pid 12717] close(3)                    = 0
[pid 12717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.787957][T12713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12717] close(5)                    = 0
[pid 12717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12720 attached
) = 12720
[pid 12717] tkill(12720, SIGSTOP)       = 0
[pid 12720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12717, si_uid=65534} ---
[pid 12717] exit_group(0 <unfinished ...>
[pid 12720] --- stopped by SIGSTOP ---
[pid 12717] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12717, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12721 attached
, child_tidptr=0x5555574e8650) = 12721
[pid 12721] set_robust_list(0x5555574e8660, 24) = 0
[pid 12721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12721] setpgid(0, 0)               = 0
[pid 12721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12721] write(3, "1000", 4)         = 4
[pid 12721] close(3)                    = 0
[pid 12721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.844603][T12717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12721] close(5)                    = 0
[pid 12721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12724 attached
) = 12724
[pid 12721] tkill(12724, SIGSTOP)       = 0
[pid 12724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12721, si_uid=65534} ---
[pid 12721] exit_group(0 <unfinished ...>
[pid 12724] --- stopped by SIGSTOP ---
[pid 12721] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12721] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12725 attached
, child_tidptr=0x5555574e8650) = 12725
[pid 12725] set_robust_list(0x5555574e8660, 24) = 0
[pid 12725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12725] setpgid(0, 0)               = 0
[pid 12725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12725] write(3, "1000", 4)         = 4
[pid 12725] close(3)                    = 0
[pid 12725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.892682][T12721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12725] close(5)                    = 0
[pid 12725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12728 attached
) = 12728
[pid 12725] tkill(12728, SIGSTOP)       = 0
[pid 12725] exit_group(0 <unfinished ...>
[pid 12728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12725, si_uid=65534} ---
[pid 12725] <... exit_group resumed>)   = ?
[pid 12728] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12725] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12725, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12729 attached
, child_tidptr=0x5555574e8650) = 12729
[pid 12729] set_robust_list(0x5555574e8660, 24) = 0
[pid 12729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12729] setpgid(0, 0)               = 0
[pid 12729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12729] write(3, "1000", 4)         = 4
[pid 12729] close(3)                    = 0
[pid 12729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.940801][T12725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12729] close(5)                    = 0
[pid 12729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12732 attached
) = 12732
[pid 12729] tkill(12732, SIGSTOP)       = 0
[pid 12732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12729, si_uid=65534} ---
[pid 12729] exit_group(0 <unfinished ...>
[pid 12732] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12729] <... exit_group resumed>)   = ?
[pid 12729] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12733 attached
, child_tidptr=0x5555574e8650) = 12733
[pid 12733] set_robust_list(0x5555574e8660, 24) = 0
[pid 12733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12733] setpgid(0, 0)               = 0
[pid 12733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12733] write(3, "1000", 4)         = 4
[pid 12733] close(3)                    = 0
[pid 12733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  163.984624][T12729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12733] close(5)                    = 0
[pid 12733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12736 attached
) = 12736
[pid 12733] tkill(12736, SIGSTOP)       = 0
[pid 12736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12733, si_uid=65534} ---
[pid 12733] exit_group(0 <unfinished ...>
[pid 12736] --- stopped by SIGSTOP ---
[pid 12733] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12733] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12733, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12737 attached
 <unfinished ...>
[pid 12737] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 12737
[pid 12737] <... set_robust_list resumed>) = 0
[pid 12737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12737] setpgid(0, 0)               = 0
[pid 12737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12737] write(3, "1000", 4)         = 4
[pid 12737] close(3)                    = 0
[pid 12737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.042421][T12733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12737] close(5)                    = 0
[pid 12737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12740 attached
) = 12740
[pid 12737] tkill(12740, SIGSTOP)       = 0
[pid 12740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12737, si_uid=65534} ---
[pid 12737] exit_group(0 <unfinished ...>
[pid 12740] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12737] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12741 attached
, child_tidptr=0x5555574e8650) = 12741
[pid 12741] set_robust_list(0x5555574e8660, 24) = 0
[pid 12741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12741] setpgid(0, 0)               = 0
[pid 12741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12741] write(3, "1000", 4)         = 4
[pid 12741] close(3)                    = 0
[pid 12741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.088722][T12737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12741] close(5)                    = 0
[pid 12741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12744 attached
) = 12744
[pid 12741] tkill(12744, SIGSTOP)       = 0
[pid 12744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12741, si_uid=65534} ---
[pid 12741] exit_group(0 <unfinished ...>
[pid 12744] --- stopped by SIGSTOP ---
[pid 12741] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12741, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12745 attached
, child_tidptr=0x5555574e8650) = 12745
[pid 12745] set_robust_list(0x5555574e8660, 24) = 0
[pid 12745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12745] setpgid(0, 0)               = 0
[pid 12745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12745] write(3, "1000", 4)         = 4
[pid 12745] close(3)                    = 0
[pid 12745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.142001][T12741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12745] close(5)                    = 0
[pid 12745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12748 attached
) = 12748
[pid 12745] tkill(12748, SIGSTOP)       = 0
[pid 12748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12745, si_uid=65534} ---
[pid 12745] exit_group(0 <unfinished ...>
[pid 12748] --- stopped by SIGSTOP ---
[pid 12745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12745] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12745, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12749 attached
, child_tidptr=0x5555574e8650) = 12749
[pid 12749] set_robust_list(0x5555574e8660, 24) = 0
[pid 12749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12749] setpgid(0, 0)               = 0
[pid 12749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12749] write(3, "1000", 4)         = 4
[pid 12749] close(3)                    = 0
[pid 12749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.189287][T12745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12749] close(5)                    = 0
[pid 12749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12752 attached
) = 12752
[pid 12749] tkill(12752, SIGSTOP)       = 0
[pid 12752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12749, si_uid=65534} ---
[pid 12752] --- stopped by SIGSTOP ---
[pid 12749] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12749] <... exit_group resumed>)   = ?
[pid 12749] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12753 attached
, child_tidptr=0x5555574e8650) = 12753
[pid 12753] set_robust_list(0x5555574e8660, 24) = 0
[pid 12753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12753] setpgid(0, 0)               = 0
[pid 12753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12753] write(3, "1000", 4)         = 4
[pid 12753] close(3)                    = 0
[pid 12753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.242573][T12749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12753] close(5)                    = 0
[pid 12753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12756 attached
) = 12756
[pid 12753] tkill(12756, SIGSTOP <unfinished ...>
[pid 12756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12753, si_uid=65534} ---
[pid 12753] <... tkill resumed>)        = 0
[pid 12756] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12753] exit_group(0 <unfinished ...>
[pid  5050] <... restart_syscall resumed>) = 0
[pid 12753] <... exit_group resumed>)   = ?
[pid 12753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12757 attached
, child_tidptr=0x5555574e8650) = 12757
[pid 12757] set_robust_list(0x5555574e8660, 24) = 0
[pid 12757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12757] setpgid(0, 0)               = 0
[pid 12757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12757] write(3, "1000", 4)         = 4
[pid 12757] close(3)                    = 0
[pid 12757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.303504][T12753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12757] close(5)                    = 0
[pid 12757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12760 attached
) = 12760
[pid 12757] tkill(12760, SIGSTOP)       = 0
[pid 12760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12757, si_uid=65534} ---
[pid 12757] exit_group(0 <unfinished ...>
[pid 12760] --- stopped by SIGSTOP ---
[pid 12757] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12761 attached
, child_tidptr=0x5555574e8650) = 12761
[pid 12761] set_robust_list(0x5555574e8660, 24) = 0
[pid 12761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12761] setpgid(0, 0)               = 0
[pid 12761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12761] write(3, "1000", 4)         = 4
[pid 12761] close(3)                    = 0
[pid 12761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.363254][T12757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12761] close(5)                    = 0
[pid 12761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12764 attached
) = 12764
[pid 12761] tkill(12764, SIGSTOP)       = 0
[pid 12764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12761, si_uid=65534} ---
[pid 12761] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12764] --- stopped by SIGSTOP ---
[pid 12761] <... exit_group resumed>)   = ?
[pid 12761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12761, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12765 attached
, child_tidptr=0x5555574e8650) = 12765
[pid 12765] set_robust_list(0x5555574e8660, 24) = 0
[pid 12765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12765] setpgid(0, 0)               = 0
[pid 12765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12765] write(3, "1000", 4)         = 4
[pid 12765] close(3)                    = 0
[pid 12765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.420412][T12761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12765] close(5)                    = 0
[pid 12765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12768 attached
) = 12768
[pid 12765] tkill(12768, SIGSTOP)       = 0
[pid 12768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12765, si_uid=65534} ---
[pid 12768] --- stopped by SIGSTOP ---
[pid 12765] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12765] <... exit_group resumed>)   = ?
[pid 12765] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12769 attached
, child_tidptr=0x5555574e8650) = 12769
[pid 12769] set_robust_list(0x5555574e8660, 24) = 0
[pid 12769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12769] setpgid(0, 0)               = 0
[pid 12769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12769] write(3, "1000", 4)         = 4
[pid 12769] close(3)                    = 0
[pid 12769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.469325][T12765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12769] close(5)                    = 0
[pid 12769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12772 attached
) = 12772
[pid 12769] tkill(12772, SIGSTOP)       = 0
[pid 12769] exit_group(0 <unfinished ...>
[pid 12772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12769, si_uid=65534} ---
[pid 12769] <... exit_group resumed>)   = ?
[pid 12772] --- stopped by SIGSTOP ---
[pid 12769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12773 attached
, child_tidptr=0x5555574e8650) = 12773
[pid 12773] set_robust_list(0x5555574e8660, 24) = 0
[pid 12773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12773] setpgid(0, 0)               = 0
[pid 12773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12773] write(3, "1000", 4)         = 4
[pid 12773] close(3)                    = 0
[pid 12773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.517603][T12769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12773] close(5)                    = 0
[pid 12773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12776 attached
) = 12776
[pid 12773] tkill(12776, SIGSTOP)       = 0
[pid 12773] exit_group(0 <unfinished ...>
[pid 12776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12773, si_uid=65534} ---
[pid 12773] <... exit_group resumed>)   = ?
[pid 12776] --- stopped by SIGSTOP ---
[pid 12773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12777 attached
, child_tidptr=0x5555574e8650) = 12777
[pid 12777] set_robust_list(0x5555574e8660, 24) = 0
[pid 12777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12777] setpgid(0, 0)               = 0
[pid 12777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12777] write(3, "1000", 4)         = 4
[pid 12777] close(3)                    = 0
[pid 12777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.572535][T12773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12777] close(5)                    = 0
[pid 12777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12780 attached
) = 12780
[pid 12777] tkill(12780, SIGSTOP)       = 0
[pid 12780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12777, si_uid=65534} ---
[pid 12777] exit_group(0 <unfinished ...>
[pid 12780] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12777] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12781 attached
, child_tidptr=0x5555574e8650) = 12781
[pid 12781] set_robust_list(0x5555574e8660, 24) = 0
[pid 12781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12781] setpgid(0, 0)               = 0
[pid 12781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12781] write(3, "1000", 4)         = 4
[pid 12781] close(3)                    = 0
[pid 12781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.626694][T12777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12781] close(5)                    = 0
[pid 12781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12784 attached
) = 12784
[pid 12781] tkill(12784, SIGSTOP)       = 0
[pid 12784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12781, si_uid=65534} ---
[pid 12781] exit_group(0 <unfinished ...>
[pid 12784] --- stopped by SIGSTOP ---
[pid 12781] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12781, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12785 attached
, child_tidptr=0x5555574e8650) = 12785
[pid 12785] set_robust_list(0x5555574e8660, 24) = 0
[pid 12785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12785] setpgid(0, 0)               = 0
[pid 12785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12785] write(3, "1000", 4)         = 4
[pid 12785] close(3)                    = 0
[pid 12785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.675338][T12781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12785] close(5)                    = 0
[pid 12785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12788 attached
) = 12788
[pid 12785] tkill(12788, SIGSTOP)       = 0
[pid 12788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12785, si_uid=65534} ---
[pid 12785] exit_group(0 <unfinished ...>
[pid 12788] --- stopped by SIGSTOP ---
[pid 12785] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12785] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12785, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12789 attached
, child_tidptr=0x5555574e8650) = 12789
[pid 12789] set_robust_list(0x5555574e8660, 24) = 0
[pid 12789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12789] setpgid(0, 0)               = 0
[pid 12789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12789] write(3, "1000", 4)         = 4
[pid 12789] close(3)                    = 0
[pid 12789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.725242][T12785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12789] close(5)                    = 0
[pid 12789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12792 attached
) = 12792
[pid 12789] tkill(12792, SIGSTOP)       = 0
[pid 12792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12789, si_uid=65534} ---
[pid 12789] exit_group(0 <unfinished ...>
[pid 12792] --- stopped by SIGSTOP ---
[pid 12789] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12793 attached
, child_tidptr=0x5555574e8650) = 12793
[pid 12793] set_robust_list(0x5555574e8660, 24) = 0
[pid 12793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12793] setpgid(0, 0)               = 0
[pid 12793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12793] write(3, "1000", 4)         = 4
[pid 12793] close(3)                    = 0
[pid 12793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.784049][T12789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12793] close(5)                    = 0
[pid 12793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12796 attached
) = 12796
[pid 12793] tkill(12796, SIGSTOP)       = 0
[pid 12793] exit_group(0 <unfinished ...>
[pid 12796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12793, si_uid=65534} ---
[pid 12793] <... exit_group resumed>)   = ?
[pid 12796] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12793] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12793, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12797 attached
, child_tidptr=0x5555574e8650) = 12797
[pid 12797] set_robust_list(0x5555574e8660, 24) = 0
[pid 12797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12797] setpgid(0, 0)               = 0
[pid 12797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12797] write(3, "1000", 4)         = 4
[pid 12797] close(3)                    = 0
[pid 12797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.841883][T12793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12797] close(5)                    = 0
[pid 12797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12800 attached
) = 12800
[pid 12797] tkill(12800, SIGSTOP)       = 0
[pid 12800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12797, si_uid=65534} ---
[pid 12797] exit_group(0 <unfinished ...>
[pid 12800] --- stopped by SIGSTOP ---
[pid 12797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12797] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12801 attached
, child_tidptr=0x5555574e8650) = 12801
[pid 12801] set_robust_list(0x5555574e8660, 24) = 0
[pid 12801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12801] setpgid(0, 0)               = 0
[pid 12801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12801] write(3, "1000", 4)         = 4
[pid 12801] close(3)                    = 0
[pid 12801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  164.890834][T12797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12801] close(5)                    = 0
[pid 12801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12804 attached
) = 12804
[pid 12801] tkill(12804, SIGSTOP)       = 0
[pid 12804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12801, si_uid=65534} ---
[pid 12804] --- stopped by SIGSTOP ---
[pid 12801] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12805 attached
, child_tidptr=0x5555574e8650) = 12805
[pid 12805] set_robust_list(0x5555574e8660, 24) = 0
[pid 12805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12805] setpgid(0, 0)               = 0
[pid 12805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12805] write(3, "1000", 4)         = 4
[pid 12805] close(3)                    = 0
[pid 12805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  164.956414][T12801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12805] close(5)                    = 0
[pid 12805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12808 attached
) = 12808
[pid 12805] tkill(12808, SIGSTOP)       = 0
[pid 12808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12805, si_uid=65534} ---
[pid 12808] --- stopped by SIGSTOP ---
[pid 12805] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12805] <... exit_group resumed>)   = ?
[pid 12805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12805, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12809 attached
, child_tidptr=0x5555574e8650) = 12809
[pid 12809] set_robust_list(0x5555574e8660, 24) = 0
[pid 12809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12809] setpgid(0, 0)               = 0
[pid 12809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12809] write(3, "1000", 4)         = 4
[pid 12809] close(3)                    = 0
[pid 12809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.003102][T12805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12809] close(5)                    = 0
[pid 12809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12812 attached
) = 12812
[pid 12809] tkill(12812, SIGSTOP)       = 0
[pid 12809] exit_group(0 <unfinished ...>
[pid 12812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12809, si_uid=65534} ---
[pid 12809] <... exit_group resumed>)   = ?
[pid 12812] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12813 attached
, child_tidptr=0x5555574e8650) = 12813
[pid 12813] set_robust_list(0x5555574e8660, 24) = 0
[pid 12813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12813] setpgid(0, 0)               = 0
[pid 12813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12813] write(3, "1000", 4)         = 4
[pid 12813] close(3)                    = 0
[pid 12813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.050913][T12809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12813] close(5)                    = 0
[pid 12813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12816 attached
) = 12816
[pid 12813] tkill(12816, SIGSTOP)       = 0
[pid 12813] exit_group(0 <unfinished ...>
[pid 12816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12813, si_uid=65534} ---
[pid 12813] <... exit_group resumed>)   = ?
[pid 12816] --- stopped by SIGSTOP ---
[pid 12813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12817 attached
, child_tidptr=0x5555574e8650) = 12817
[pid 12817] set_robust_list(0x5555574e8660, 24) = 0
[pid 12817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12817] setpgid(0, 0)               = 0
[pid 12817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12817] write(3, "1000", 4)         = 4
[pid 12817] close(3)                    = 0
[pid 12817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.096926][T12813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12817] close(5)                    = 0
[pid 12817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12820 attached
) = 12820
[pid 12817] tkill(12820, SIGSTOP)       = 0
[pid 12820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12817, si_uid=65534} ---
[pid 12820] --- stopped by SIGSTOP ---
[pid 12817] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12817] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12821 attached
, child_tidptr=0x5555574e8650) = 12821
[pid 12821] set_robust_list(0x5555574e8660, 24) = 0
[pid 12821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12821] setpgid(0, 0)               = 0
[pid 12821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12821] write(3, "1000", 4)         = 4
[pid 12821] close(3)                    = 0
[pid 12821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.141977][T12817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12821] close(5)                    = 0
[pid 12821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12824 attached
) = 12824
[pid 12821] tkill(12824, SIGSTOP)       = 0
[pid 12824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12821, si_uid=65534} ---
[pid 12821] exit_group(0 <unfinished ...>
[pid 12824] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12821] <... exit_group resumed>)   = ?
[pid 12821] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12825 attached
, child_tidptr=0x5555574e8650) = 12825
[pid 12825] set_robust_list(0x5555574e8660, 24) = 0
[pid 12825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12825] setpgid(0, 0)               = 0
[pid 12825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12825] write(3, "1000", 4)         = 4
[pid 12825] close(3)                    = 0
[pid 12825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  165.192733][T12821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12825] close(5)                    = 0
[pid 12825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12828 attached
) = 12828
[pid 12825] tkill(12828, SIGSTOP)       = 0
[pid 12828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12825, si_uid=65534} ---
[pid 12825] exit_group(0 <unfinished ...>
[pid 12828] --- stopped by SIGSTOP ---
[pid 12825] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12829 attached
, child_tidptr=0x5555574e8650) = 12829
[pid 12829] set_robust_list(0x5555574e8660, 24) = 0
[pid 12829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12829] setpgid(0, 0)               = 0
[pid 12829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12829] write(3, "1000", 4)         = 4
[pid 12829] close(3)                    = 0
[pid 12829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.256858][T12825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12829] close(5)                    = 0
[pid 12829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12832 attached
) = 12832
[pid 12829] tkill(12832, SIGSTOP)       = 0
[pid 12829] exit_group(0 <unfinished ...>
[pid 12832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12829, si_uid=65534} ---
[pid 12829] <... exit_group resumed>)   = ?
[pid 12832] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12829, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12833 attached
, child_tidptr=0x5555574e8650) = 12833
[pid 12833] set_robust_list(0x5555574e8660, 24) = 0
[pid 12833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12833] setpgid(0, 0)               = 0
[pid 12833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12833] write(3, "1000", 4)         = 4
[pid 12833] close(3)                    = 0
[pid 12833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.311804][T12829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12833] close(5)                    = 0
[pid 12833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12836 attached
) = 12836
[pid 12833] tkill(12836, SIGSTOP)       = 0
[pid 12836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12833, si_uid=65534} ---
[pid 12833] exit_group(0 <unfinished ...>
[pid 12836] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12833] <... exit_group resumed>)   = ?
[pid 12833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12837 attached
, child_tidptr=0x5555574e8650) = 12837
[pid 12837] set_robust_list(0x5555574e8660, 24) = 0
[pid 12837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12837] setpgid(0, 0)               = 0
[pid 12837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12837] write(3, "1000", 4)         = 4
[pid 12837] close(3)                    = 0
[pid 12837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.361537][T12833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12837] close(5)                    = 0
[pid 12837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12840 attached
) = 12840
[pid 12837] tkill(12840, SIGSTOP)       = 0
[pid 12840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12837, si_uid=65534} ---
[pid 12837] exit_group(0 <unfinished ...>
[pid 12840] --- stopped by SIGSTOP ---
[pid 12837] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12837] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12841 attached
 <unfinished ...>
[pid 12841] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 12841
[pid 12841] <... set_robust_list resumed>) = 0
[pid 12841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12841] setpgid(0, 0)               = 0
[pid 12841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12841] write(3, "1000", 4)         = 4
[pid 12841] close(3)                    = 0
[pid 12841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.409330][T12837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12841] close(5)                    = 0
[pid 12841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12844 attached
) = 12844
[pid 12841] tkill(12844, SIGSTOP)       = 0
[pid 12844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12841, si_uid=65534} ---
[pid 12844] --- stopped by SIGSTOP ---
[pid 12841] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12841] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12841, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12845 attached
, child_tidptr=0x5555574e8650) = 12845
[pid 12845] set_robust_list(0x5555574e8660, 24) = 0
[pid 12845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12845] setpgid(0, 0)               = 0
[pid 12845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12845] write(3, "1000", 4)         = 4
[pid 12845] close(3)                    = 0
[pid 12845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.456140][T12841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12845] close(5)                    = 0
[pid 12845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12848 attached
) = 12848
[pid 12845] tkill(12848, SIGSTOP)       = 0
[pid 12848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12845, si_uid=65534} ---
[pid 12848] --- stopped by SIGSTOP ---
[pid 12845] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12845] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12845, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12849 attached
, child_tidptr=0x5555574e8650) = 12849
[pid 12849] set_robust_list(0x5555574e8660, 24) = 0
[pid 12849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12849] setpgid(0, 0)               = 0
[pid 12849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12849] write(3, "1000", 4)         = 4
[pid 12849] close(3)                    = 0
[pid 12849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.501609][T12845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12849] close(5)                    = 0
[pid 12849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12852 attached
) = 12852
[pid 12849] tkill(12852, SIGSTOP)       = 0
[pid 12852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12849, si_uid=65534} ---
[pid 12849] exit_group(0 <unfinished ...>
[pid 12852] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12849] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12849, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12853 attached
, child_tidptr=0x5555574e8650) = 12853
[pid 12853] set_robust_list(0x5555574e8660, 24) = 0
[pid 12853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12853] setpgid(0, 0)               = 0
[pid 12853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12853] write(3, "1000", 4)         = 4
[pid 12853] close(3)                    = 0
[pid 12853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.557698][T12849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12853] close(5)                    = 0
[pid 12853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12856 attached
) = 12856
[pid 12853] tkill(12856, SIGSTOP)       = 0
[pid 12853] exit_group(0 <unfinished ...>
[pid 12856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12853, si_uid=65534} ---
[pid 12853] <... exit_group resumed>)   = ?
[pid 12856] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12857 attached
, child_tidptr=0x5555574e8650) = 12857
[pid 12857] set_robust_list(0x5555574e8660, 24) = 0
[pid 12857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12857] setpgid(0, 0)               = 0
[pid 12857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12857] write(3, "1000", 4)         = 4
[pid 12857] close(3)                    = 0
[pid 12857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.602751][T12853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12857] close(5)                    = 0
[pid 12857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12860 attached
) = 12860
[pid 12857] tkill(12860, SIGSTOP)       = 0
[pid 12860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12857, si_uid=65534} ---
[pid 12857] exit_group(0 <unfinished ...>
[pid 12860] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12857] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12861 attached
, child_tidptr=0x5555574e8650) = 12861
[pid 12861] set_robust_list(0x5555574e8660, 24) = 0
[pid 12861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12861] setpgid(0, 0)               = 0
[pid 12861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12861] write(3, "1000", 4)         = 4
[pid 12861] close(3)                    = 0
[pid 12861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.648087][T12857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12861] close(5)                    = 0
[pid 12861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12864 attached
) = 12864
[pid 12861] tkill(12864, SIGSTOP)       = 0
[pid 12861] exit_group(0 <unfinished ...>
[pid 12864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12861, si_uid=65534} ---
[pid 12864] --- stopped by SIGSTOP ---
[pid 12861] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12865 attached
, child_tidptr=0x5555574e8650) = 12865
[pid 12865] set_robust_list(0x5555574e8660, 24) = 0
[pid 12865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12865] setpgid(0, 0)               = 0
[pid 12865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12865] write(3, "1000", 4)         = 4
[pid 12865] close(3)                    = 0
[pid 12865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.699164][T12861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12865] close(5)                    = 0
[pid 12865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12868 attached
) = 12868
[pid 12865] tkill(12868, SIGSTOP)       = 0
[pid 12868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12865, si_uid=65534} ---
[pid 12865] exit_group(0 <unfinished ...>
[pid 12868] --- stopped by SIGSTOP ---
[pid 12865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12865, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12869 attached
, child_tidptr=0x5555574e8650) = 12869
[pid 12869] set_robust_list(0x5555574e8660, 24) = 0
[pid 12869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12869] setpgid(0, 0)               = 0
[pid 12869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12869] write(3, "1000", 4)         = 4
[pid 12869] close(3)                    = 0
[pid 12869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.747587][T12865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12869] close(5)                    = 0
[pid 12869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12872 attached
) = 12872
[pid 12869] tkill(12872, SIGSTOP)       = 0
[pid 12872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12869, si_uid=65534} ---
[pid 12869] exit_group(0 <unfinished ...>
[pid 12872] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12869] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12869, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12873 attached
, child_tidptr=0x5555574e8650) = 12873
[pid 12873] set_robust_list(0x5555574e8660, 24) = 0
[pid 12873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12873] setpgid(0, 0)               = 0
[pid 12873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12873] write(3, "1000", 4)         = 4
[pid 12873] close(3)                    = 0
[pid 12873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.793624][T12869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12873] close(5)                    = 0
[pid 12873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12876 attached
) = 12876
[pid 12873] tkill(12876, SIGSTOP)       = 0
[pid 12873] exit_group(0 <unfinished ...>
[pid 12876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12873, si_uid=65534} ---
[pid 12873] <... exit_group resumed>)   = ?
[pid 12876] --- stopped by SIGSTOP ---
[pid 12873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12877 attached
, child_tidptr=0x5555574e8650) = 12877
[pid 12877] set_robust_list(0x5555574e8660, 24) = 0
[pid 12877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12877] setpgid(0, 0)               = 0
[pid 12877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12877] write(3, "1000", 4)         = 4
[pid 12877] close(3)                    = 0
[pid 12877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.841810][T12873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12877] close(5)                    = 0
[pid 12877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12880 attached
) = 12880
[pid 12877] tkill(12880, SIGSTOP)       = 0
[pid 12877] exit_group(0 <unfinished ...>
[pid 12880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12877, si_uid=65534} ---
[pid 12877] <... exit_group resumed>)   = ?
[pid 12880] --- stopped by SIGSTOP ---
[pid 12877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12881 attached
, child_tidptr=0x5555574e8650) = 12881
[pid 12881] set_robust_list(0x5555574e8660, 24) = 0
[pid 12881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12881] setpgid(0, 0)               = 0
[pid 12881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12881] write(3, "1000", 4)         = 4
[pid 12881] close(3)                    = 0
[pid 12881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.889361][T12877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12881] close(5)                    = 0
[pid 12881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12884 attached
) = 12884
[pid 12881] tkill(12884, SIGSTOP)       = 0
[pid 12881] exit_group(0 <unfinished ...>
[pid 12884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12881, si_uid=65534} ---
[pid 12881] <... exit_group resumed>)   = ?
[pid 12884] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12885 attached
, child_tidptr=0x5555574e8650) = 12885
[pid 12885] set_robust_list(0x5555574e8660, 24) = 0
[pid 12885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12885] setpgid(0, 0)               = 0
[pid 12885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12885] write(3, "1000", 4)         = 4
[pid 12885] close(3)                    = 0
[pid 12885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.936371][T12881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12885] close(5)                    = 0
[pid 12885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12888 attached
) = 12888
[pid 12885] tkill(12888, SIGSTOP)       = 0
[pid 12888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12885, si_uid=65534} ---
[pid 12885] exit_group(0 <unfinished ...>
[pid 12888] --- stopped by SIGSTOP ---
[pid 12885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12885] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12885, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12889 attached
, child_tidptr=0x5555574e8650) = 12889
[pid 12889] set_robust_list(0x5555574e8660, 24) = 0
[pid 12889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12889] setpgid(0, 0)               = 0
[pid 12889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12889] write(3, "1000", 4)         = 4
[pid 12889] close(3)                    = 0
[pid 12889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  165.988336][T12885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12889] close(5)                    = 0
[pid 12889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12892 attached
) = 12892
[pid 12889] tkill(12892, SIGSTOP)       = 0
[pid 12892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12889, si_uid=65534} ---
[pid 12892] --- stopped by SIGSTOP ---
[pid 12889] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12893 attached
, child_tidptr=0x5555574e8650) = 12893
[pid 12893] set_robust_list(0x5555574e8660, 24) = 0
[pid 12893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12893] setpgid(0, 0)               = 0
[pid 12893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12893] write(3, "1000", 4)         = 4
[pid 12893] close(3)                    = 0
[pid 12893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.035173][T12889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12893] close(5)                    = 0
[pid 12893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12896 attached
) = 12896
[pid 12893] tkill(12896, SIGSTOP)       = 0
[pid 12893] exit_group(0 <unfinished ...>
[pid 12896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12893, si_uid=65534} ---
[pid 12893] <... exit_group resumed>)   = ?
[pid 12896] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12893] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12893, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12897 attached
, child_tidptr=0x5555574e8650) = 12897
[pid 12897] set_robust_list(0x5555574e8660, 24) = 0
[pid 12897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12897] setpgid(0, 0)               = 0
[pid 12897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12897] write(3, "1000", 4)         = 4
[pid 12897] close(3)                    = 0
[pid 12897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.085193][T12893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12897] close(5)                    = 0
[pid 12897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12900 attached
) = 12900
[pid 12897] tkill(12900, SIGSTOP)       = 0
[pid 12897] exit_group(0 <unfinished ...>
[pid 12900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12897, si_uid=65534} ---
[pid 12897] <... exit_group resumed>)   = ?
[pid 12900] --- stopped by SIGSTOP ---
[pid 12897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12901 attached
, child_tidptr=0x5555574e8650) = 12901
[pid 12901] set_robust_list(0x5555574e8660, 24) = 0
[pid 12901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12901] setpgid(0, 0)               = 0
[pid 12901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12901] write(3, "1000", 4)         = 4
[pid 12901] close(3)                    = 0
[pid 12901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.131741][T12897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12901] close(5)                    = 0
[pid 12901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12904 attached
) = 12904
[pid 12901] tkill(12904, SIGSTOP)       = 0
[pid 12904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12901, si_uid=65534} ---
[pid 12901] exit_group(0 <unfinished ...>
[pid 12904] --- stopped by SIGSTOP ---
[pid 12901] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12901, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12905 attached
, child_tidptr=0x5555574e8650) = 12905
[pid 12905] set_robust_list(0x5555574e8660, 24) = 0
[pid 12905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12905] setpgid(0, 0)               = 0
[pid 12905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12905] write(3, "1000", 4)         = 4
[pid 12905] close(3)                    = 0
[pid 12905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.175978][T12901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12905] close(5)                    = 0
[pid 12905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12908 attached
) = 12908
[pid 12905] tkill(12908, SIGSTOP)       = 0
[pid 12908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12905, si_uid=65534} ---
[pid 12905] exit_group(0 <unfinished ...>
[pid 12908] --- stopped by SIGSTOP ---
[pid 12905] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12905] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12905, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12909 attached
, child_tidptr=0x5555574e8650) = 12909
[pid 12909] set_robust_list(0x5555574e8660, 24) = 0
[pid 12909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12909] setpgid(0, 0)               = 0
[pid 12909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12909] write(3, "1000", 4)         = 4
[pid 12909] close(3)                    = 0
[pid 12909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.224858][T12905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12909] close(5)                    = 0
[pid 12909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12912 attached
) = 12912
[pid 12909] tkill(12912, SIGSTOP <unfinished ...>
[pid 12912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12909, si_uid=65534} ---
[pid 12909] <... tkill resumed>)        = 0
[pid 12912] --- stopped by SIGSTOP ---
[pid 12909] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12909] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12913 attached
, child_tidptr=0x5555574e8650) = 12913
[pid 12913] set_robust_list(0x5555574e8660, 24) = 0
[pid 12913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12913] setpgid(0, 0)               = 0
[pid 12913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12913] write(3, "1000", 4)         = 4
[pid 12913] close(3)                    = 0
[pid 12913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.274256][T12909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12913] close(5)                    = 0
[pid 12913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12916 attached
) = 12916
[pid 12913] tkill(12916, SIGSTOP)       = 0
[pid 12916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12913, si_uid=65534} ---
[pid 12913] exit_group(0 <unfinished ...>
[pid 12916] --- stopped by SIGSTOP ---
[pid 12913] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12913, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12917 attached
, child_tidptr=0x5555574e8650) = 12917
[pid 12917] set_robust_list(0x5555574e8660, 24) = 0
[pid 12917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12917] setpgid(0, 0)               = 0
[pid 12917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12917] write(3, "1000", 4)         = 4
[pid 12917] close(3)                    = 0
[pid 12917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.323031][T12913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12917] close(5)                    = 0
[pid 12917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12920 attached
) = 12920
[pid 12917] tkill(12920, SIGSTOP)       = 0
[pid 12920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12917, si_uid=65534} ---
[pid 12917] exit_group(0 <unfinished ...>
[pid 12920] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12917] <... exit_group resumed>)   = ?
[pid 12917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12917, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12921 attached
, child_tidptr=0x5555574e8650) = 12921
[pid 12921] set_robust_list(0x5555574e8660, 24) = 0
[pid 12921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12921] setpgid(0, 0)               = 0
[pid 12921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12921] write(3, "1000", 4)         = 4
[pid 12921] close(3)                    = 0
[  166.373647][T12917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 12921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12921] close(5)                    = 0
[pid 12921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12924 attached
) = 12924
[pid 12921] tkill(12924, SIGSTOP)       = 0
[pid 12921] exit_group(0 <unfinished ...>
[pid 12924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12921, si_uid=65534} ---
[pid 12924] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12921] <... exit_group resumed>)   = ?
[pid 12921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12925 attached
, child_tidptr=0x5555574e8650) = 12925
[pid 12925] set_robust_list(0x5555574e8660, 24) = 0
[pid 12925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12925] setpgid(0, 0)               = 0
[pid 12925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12925] write(3, "1000", 4)         = 4
[pid 12925] close(3)                    = 0
[pid 12925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.441684][T12921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12925] close(5)                    = 0
[pid 12925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12928 attached
) = 12928
[pid 12925] tkill(12928, SIGSTOP)       = 0
[pid 12928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12925, si_uid=65534} ---
[pid 12925] exit_group(0 <unfinished ...>
[pid 12928] --- stopped by SIGSTOP ---
[pid 12925] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12925, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12929 attached
, child_tidptr=0x5555574e8650) = 12929
[pid 12929] set_robust_list(0x5555574e8660, 24) = 0
[pid 12929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12929] setpgid(0, 0)               = 0
[pid 12929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12929] write(3, "1000", 4)         = 4
[pid 12929] close(3)                    = 0
[pid 12929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.504122][T12925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12929] close(5)                    = 0
[pid 12929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12932 attached
) = 12932
[pid 12929] tkill(12932, SIGSTOP)       = 0
[pid 12932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12929, si_uid=65534} ---
[pid 12929] exit_group(0 <unfinished ...>
[pid 12932] --- stopped by SIGSTOP ---
[pid 12929] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12929] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12933 attached
, child_tidptr=0x5555574e8650) = 12933
[pid 12933] set_robust_list(0x5555574e8660, 24) = 0
[pid 12933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12933] setpgid(0, 0)               = 0
[pid 12933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12933] write(3, "1000", 4)         = 4
[pid 12933] close(3)                    = 0
[pid 12933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.552349][T12929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12933] close(5)                    = 0
[pid 12933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12936 attached
) = 12936
[pid 12933] tkill(12936, SIGSTOP)       = 0
[pid 12936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12933, si_uid=65534} ---
[pid 12933] exit_group(0 <unfinished ...>
[pid 12936] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12933] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12937 attached
, child_tidptr=0x5555574e8650) = 12937
[pid 12937] set_robust_list(0x5555574e8660, 24) = 0
[pid 12937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12937] setpgid(0, 0)               = 0
[pid 12937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12937] write(3, "1000", 4)         = 4
[pid 12937] close(3)                    = 0
[pid 12937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.610269][T12933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12937] close(5)                    = 0
[pid 12937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12940 attached
) = 12940
[pid 12937] tkill(12940, SIGSTOP)       = 0
[pid 12940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12937, si_uid=65534} ---
[pid 12937] exit_group(0 <unfinished ...>
[pid 12940] --- stopped by SIGSTOP ---
[pid 12937] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12937] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12941 attached
, child_tidptr=0x5555574e8650) = 12941
[pid 12941] set_robust_list(0x5555574e8660, 24) = 0
[pid 12941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12941] setpgid(0, 0)               = 0
[pid 12941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12941] write(3, "1000", 4)         = 4
[pid 12941] close(3)                    = 0
[pid 12941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.658403][T12937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12941] close(5)                    = 0
[pid 12941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12944 attached
) = 12944
[pid 12941] tkill(12944, SIGSTOP)       = 0
[pid 12944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12941, si_uid=65534} ---
[pid 12941] exit_group(0)               = ?
[pid 12944] --- stopped by SIGSTOP ---
[pid 12941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12945 attached
, child_tidptr=0x5555574e8650) = 12945
[pid 12945] set_robust_list(0x5555574e8660, 24) = 0
[pid 12945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12945] setpgid(0, 0)               = 0
[pid 12945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12945] write(3, "1000", 4)         = 4
[pid 12945] close(3)                    = 0
[pid 12945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.715484][T12941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12945] close(5)                    = 0
[pid 12945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12948 attached
) = 12948
[pid 12945] tkill(12948, SIGSTOP)       = 0
[pid 12948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12945, si_uid=65534} ---
[pid 12945] exit_group(0 <unfinished ...>
[pid 12948] --- stopped by SIGSTOP ---
[pid 12945] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12945] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12945, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12949 attached
, child_tidptr=0x5555574e8650) = 12949
[pid 12949] set_robust_list(0x5555574e8660, 24) = 0
[pid 12949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12949] setpgid(0, 0)               = 0
[pid 12949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12949] write(3, "1000", 4)         = 4
[pid 12949] close(3)                    = 0
[pid 12949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.764053][T12945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12949] close(5)                    = 0
[pid 12949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12952 attached
) = 12952
[pid 12949] tkill(12952, SIGSTOP)       = 0
[pid 12952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12949, si_uid=65534} ---
[pid 12949] exit_group(0 <unfinished ...>
[pid 12952] --- stopped by SIGSTOP ---
[pid 12949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12949] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12949, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12953 attached
, child_tidptr=0x5555574e8650) = 12953
[pid 12953] set_robust_list(0x5555574e8660, 24) = 0
[pid 12953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12953] setpgid(0, 0)               = 0
[pid 12953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12953] write(3, "1000", 4)         = 4
[pid 12953] close(3)                    = 0
[pid 12953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.823237][T12949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12953] close(5)                    = 0
[pid 12953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12956 attached
) = 12956
[pid 12953] tkill(12956, SIGSTOP)       = 0
[pid 12956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12953, si_uid=65534} ---
[pid 12953] exit_group(0 <unfinished ...>
[pid 12956] --- stopped by SIGSTOP ---
[pid 12953] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12953, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12957 attached
, child_tidptr=0x5555574e8650) = 12957
[pid 12957] set_robust_list(0x5555574e8660, 24) = 0
[pid 12957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12957] setpgid(0, 0)               = 0
[pid 12957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12957] write(3, "1000", 4)         = 4
[pid 12957] close(3)                    = 0
[pid 12957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.870073][T12953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12957] close(5)                    = 0
[pid 12957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12960 attached
) = 12960
[pid 12957] tkill(12960, SIGSTOP)       = 0
[pid 12957] exit_group(0 <unfinished ...>
[pid 12960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12957, si_uid=65534} ---
[pid 12957] <... exit_group resumed>)   = ?
[pid 12960] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12961 attached
, child_tidptr=0x5555574e8650) = 12961
[pid 12961] set_robust_list(0x5555574e8660, 24) = 0
[pid 12961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12961] setpgid(0, 0)               = 0
[pid 12961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12961] write(3, "1000", 4)         = 4
[pid 12961] close(3)                    = 0
[pid 12961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.928018][T12957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12961] close(5)                    = 0
[pid 12961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12964 attached
) = 12964
[pid 12961] tkill(12964, SIGSTOP)       = 0
[pid 12961] exit_group(0 <unfinished ...>
[pid 12964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12961, si_uid=65534} ---
[pid 12961] <... exit_group resumed>)   = ?
[pid 12964] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12961, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12965 attached
, child_tidptr=0x5555574e8650) = 12965
[pid 12965] set_robust_list(0x5555574e8660, 24) = 0
[pid 12965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12965] setpgid(0, 0)               = 0
[pid 12965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12965] write(3, "1000", 4)         = 4
[pid 12965] close(3)                    = 0
[pid 12965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  166.975456][T12961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12965] close(5)                    = 0
[pid 12965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12968 attached
) = 12968
[pid 12965] tkill(12968, SIGSTOP)       = 0
[pid 12965] exit_group(0 <unfinished ...>
[pid 12968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12965, si_uid=65534} ---
[pid 12965] <... exit_group resumed>)   = ?
[pid 12968] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12965] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12965, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12969 attached
, child_tidptr=0x5555574e8650) = 12969
[pid 12969] set_robust_list(0x5555574e8660, 24) = 0
[pid 12969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12969] setpgid(0, 0)               = 0
[pid 12969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12969] write(3, "1000", 4)         = 4
[pid 12969] close(3)                    = 0
[pid 12969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.033667][T12965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12969] close(5)                    = 0
[pid 12969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12972 attached
) = 12972
[pid 12969] tkill(12972, SIGSTOP)       = 0
[pid 12972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12969, si_uid=65534} ---
[pid 12969] exit_group(0)               = ?
[pid 12972] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12969, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12973 attached
, child_tidptr=0x5555574e8650) = 12973
[pid 12973] set_robust_list(0x5555574e8660, 24) = 0
[pid 12973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12973] setpgid(0, 0)               = 0
[pid 12973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12973] write(3, "1000", 4)         = 4
[pid 12973] close(3)                    = 0
[pid 12973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.082447][T12969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12973] close(5)                    = 0
[pid 12973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12976 attached
) = 12976
[pid 12973] tkill(12976, SIGSTOP)       = 0
[pid 12973] exit_group(0 <unfinished ...>
[pid 12976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12973, si_uid=65534} ---
[pid 12976] --- stopped by SIGSTOP ---
[pid 12973] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 12973] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12973, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12977 attached
, child_tidptr=0x5555574e8650) = 12977
[pid 12977] set_robust_list(0x5555574e8660, 24) = 0
[pid 12977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12977] setpgid(0, 0)               = 0
[pid 12977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12977] write(3, "1000", 4)         = 4
[pid 12977] close(3)                    = 0
[pid 12977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.140872][T12973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12977] close(5)                    = 0
[pid 12977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12980 attached
) = 12980
[pid 12977] tkill(12980, SIGSTOP)       = 0
[pid 12977] exit_group(0 <unfinished ...>
[pid 12980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12977, si_uid=65534} ---
[pid 12977] <... exit_group resumed>)   = ?
[pid 12980] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12977] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12977, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12981 attached
, child_tidptr=0x5555574e8650) = 12981
[pid 12981] set_robust_list(0x5555574e8660, 24) = 0
[pid 12981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12981] setpgid(0, 0)               = 0
[pid 12981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12981] write(3, "1000", 4)         = 4
[pid 12981] close(3)                    = 0
[pid 12981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.188690][T12977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12981] close(5)                    = 0
[pid 12981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12984 attached
) = 12984
[pid 12981] tkill(12984, SIGSTOP)       = 0
[pid 12984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12981, si_uid=65534} ---
[pid 12981] exit_group(0 <unfinished ...>
[pid 12984] --- stopped by SIGSTOP ---
[pid 12981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12981, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12985 attached
, child_tidptr=0x5555574e8650) = 12985
[pid 12985] set_robust_list(0x5555574e8660, 24) = 0
[pid 12985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12985] setpgid(0, 0)               = 0
[pid 12985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12985] write(3, "1000", 4)         = 4
[pid 12985] close(3)                    = 0
[pid 12985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.233440][T12981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12985] close(5)                    = 0
[pid 12985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12988 attached
) = 12988
[pid 12985] tkill(12988, SIGSTOP)       = 0
[pid 12985] exit_group(0 <unfinished ...>
[pid 12988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12985, si_uid=65534} ---
[pid 12985] <... exit_group resumed>)   = ?
[pid 12988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12989 attached
, child_tidptr=0x5555574e8650) = 12989
[pid 12989] set_robust_list(0x5555574e8660, 24) = 0
[pid 12989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12989] setpgid(0, 0)               = 0
[pid 12989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12989] write(3, "1000", 4)         = 4
[pid 12989] close(3)                    = 0
[pid 12989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.285957][T12985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12989] close(5)                    = 0
[pid 12989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12992 attached
) = 12992
[pid 12989] tkill(12992, SIGSTOP)       = 0
[pid 12992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12989, si_uid=65534} ---
[pid 12989] exit_group(0 <unfinished ...>
[pid 12992] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12989] <... exit_group resumed>)   = ?
[pid 12989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12989, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12993 attached
, child_tidptr=0x5555574e8650) = 12993
[pid 12993] set_robust_list(0x5555574e8660, 24) = 0
[pid 12993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12993] setpgid(0, 0)               = 0
[pid 12993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12993] write(3, "1000", 4)         = 4
[pid 12993] close(3)                    = 0
[pid 12993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.336266][T12989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12993] close(5)                    = 0
[pid 12993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 12996 attached
) = 12996
[pid 12993] tkill(12996, SIGSTOP)       = 0
[pid 12996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12993, si_uid=65534} ---
[pid 12993] exit_group(0 <unfinished ...>
[pid 12996] --- stopped by SIGSTOP ---
[pid 12993] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=12996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 12993] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 12997 attached
, child_tidptr=0x5555574e8650) = 12997
[pid 12997] set_robust_list(0x5555574e8660, 24) = 0
[pid 12997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 12997] setpgid(0, 0)               = 0
[pid 12997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 12997] write(3, "1000", 4)         = 4
[pid 12997] close(3)                    = 0
[pid 12997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 12997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.383651][T12993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 12997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 12997] close(5)                    = 0
[pid 12997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13000 attached
) = 13000
[pid 12997] tkill(13000, SIGSTOP)       = 0
[pid 13000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=12997, si_uid=65534} ---
[pid 12997] exit_group(0 <unfinished ...>
[pid 13000] --- stopped by SIGSTOP ---
[pid 12997] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 12997] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12997, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13001 attached
, child_tidptr=0x5555574e8650) = 13001
[pid 13001] set_robust_list(0x5555574e8660, 24) = 0
[pid 13001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13001] setpgid(0, 0)               = 0
[pid 13001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13001] write(3, "1000", 4)         = 4
[pid 13001] close(3)                    = 0
[pid 13001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.432025][T12997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13001] close(5)                    = 0
[pid 13001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13004 attached
) = 13004
[pid 13001] tkill(13004, SIGSTOP)       = 0
[pid 13004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13001, si_uid=65534} ---
[pid 13001] exit_group(0 <unfinished ...>
[pid 13004] --- stopped by SIGSTOP ---
[pid 13001] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13001] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13005 attached
, child_tidptr=0x5555574e8650) = 13005
[pid 13005] set_robust_list(0x5555574e8660, 24) = 0
[pid 13005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13005] setpgid(0, 0)               = 0
[pid 13005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13005] write(3, "1000", 4)         = 4
[pid 13005] close(3)                    = 0
[pid 13005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.479756][T13001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13005] close(5)                    = 0
[pid 13005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13008 attached
) = 13008
[pid 13005] tkill(13008, SIGSTOP)       = 0
[pid 13005] exit_group(0 <unfinished ...>
[pid 13008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13005, si_uid=65534} ---
[pid 13005] <... exit_group resumed>)   = ?
[pid 13008] --- stopped by SIGSTOP ---
[pid 13005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13009 attached
, child_tidptr=0x5555574e8650) = 13009
[pid 13009] set_robust_list(0x5555574e8660, 24) = 0
[pid 13009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13009] setpgid(0, 0)               = 0
[pid 13009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13009] write(3, "1000", 4)         = 4
[pid 13009] close(3)                    = 0
[pid 13009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.529627][T13005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13009] close(5)                    = 0
[pid 13009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13012 attached
) = 13012
[pid 13009] tkill(13012, SIGSTOP)       = 0
[pid 13012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13009, si_uid=65534} ---
[pid 13012] --- stopped by SIGSTOP ---
[pid 13009] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13009] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13013 attached
, child_tidptr=0x5555574e8650) = 13013
[pid 13013] set_robust_list(0x5555574e8660, 24) = 0
[pid 13013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13013] setpgid(0, 0)               = 0
[pid 13013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13013] write(3, "1000", 4)         = 4
[pid 13013] close(3)                    = 0
[pid 13013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.573397][T13009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13013] close(5)                    = 0
[pid 13013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13016 attached
) = 13016
[pid 13013] tkill(13016, SIGSTOP)       = 0
[pid 13016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13013, si_uid=65534} ---
[pid 13013] exit_group(0 <unfinished ...>
[pid 13016] --- stopped by SIGSTOP ---
[pid 13013] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13017 attached
, child_tidptr=0x5555574e8650) = 13017
[pid 13017] set_robust_list(0x5555574e8660, 24) = 0
[pid 13017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13017] setpgid(0, 0)               = 0
[pid 13017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13017] write(3, "1000", 4)         = 4
[pid 13017] close(3)                    = 0
[pid 13017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.632455][T13013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13017] close(5)                    = 0
[pid 13017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13020 attached
) = 13020
[pid 13017] tkill(13020, SIGSTOP)       = 0
[pid 13020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13017, si_uid=65534} ---
[pid 13017] exit_group(0 <unfinished ...>
[pid 13020] --- stopped by SIGSTOP ---
[pid 13017] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13021 attached
, child_tidptr=0x5555574e8650) = 13021
[pid 13021] set_robust_list(0x5555574e8660, 24) = 0
[pid 13021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13021] setpgid(0, 0)               = 0
[pid 13021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13021] write(3, "1000", 4)         = 4
[pid 13021] close(3)                    = 0
[pid 13021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.690648][T13017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13021] close(5)                    = 0
[pid 13021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13024 attached
) = 13024
[pid 13021] tkill(13024, SIGSTOP)       = 0
[pid 13024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13021, si_uid=65534} ---
[pid 13021] exit_group(0 <unfinished ...>
[pid 13024] --- stopped by SIGSTOP ---
[pid 13021] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13021, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13025 attached
, child_tidptr=0x5555574e8650) = 13025
[pid 13025] set_robust_list(0x5555574e8660, 24) = 0
[pid 13025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13025] setpgid(0, 0)               = 0
[pid 13025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13025] write(3, "1000", 4)         = 4
[pid 13025] close(3)                    = 0
[pid 13025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.747509][T13021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13025] close(5)                    = 0
[pid 13025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13028 attached
) = 13028
[pid 13025] tkill(13028, SIGSTOP <unfinished ...>
[pid 13028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13025, si_uid=65534} ---
[pid 13025] <... tkill resumed>)        = 0
[pid 13028] --- stopped by SIGSTOP ---
[pid 13025] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13025] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13025] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13025, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13029 attached
, child_tidptr=0x5555574e8650) = 13029
[pid 13029] set_robust_list(0x5555574e8660, 24) = 0
[pid 13029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13029] setpgid(0, 0)               = 0
[pid 13029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13029] write(3, "1000", 4)         = 4
[pid 13029] close(3)                    = 0
[pid 13029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.798113][T13025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13029] close(5)                    = 0
[pid 13029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13032 attached
) = 13032
[pid 13029] tkill(13032, SIGSTOP)       = 0
[pid 13032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13029, si_uid=65534} ---
[pid 13029] exit_group(0 <unfinished ...>
[pid 13032] --- stopped by SIGSTOP ---
[pid 13029] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13029] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13029, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13033 attached
, child_tidptr=0x5555574e8650) = 13033
[pid 13033] set_robust_list(0x5555574e8660, 24) = 0
[pid 13033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13033] setpgid(0, 0)               = 0
[pid 13033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13033] write(3, "1000", 4)         = 4
[pid 13033] close(3)                    = 0
[pid 13033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.845223][T13029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13033] close(5)                    = 0
[pid 13033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13036 attached
) = 13036
[pid 13033] tkill(13036, SIGSTOP)       = 0
[pid 13033] exit_group(0 <unfinished ...>
[pid 13036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13033, si_uid=65534} ---
[pid 13033] <... exit_group resumed>)   = ?
[pid 13036] --- stopped by SIGSTOP ---
[pid 13033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13037 attached
, child_tidptr=0x5555574e8650) = 13037
[pid 13037] set_robust_list(0x5555574e8660, 24) = 0
[pid 13037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13037] setpgid(0, 0)               = 0
[pid 13037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13037] write(3, "1000", 4)         = 4
[pid 13037] close(3)                    = 0
[pid 13037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.894453][T13033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13037] close(5)                    = 0
[pid 13037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13040 attached
) = 13040
[pid 13037] tkill(13040, SIGSTOP)       = 0
[pid 13037] exit_group(0 <unfinished ...>
[pid 13040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13037, si_uid=65534} ---
[pid 13037] <... exit_group resumed>)   = ?
[pid 13040] --- stopped by SIGSTOP ---
[pid 13037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13041 attached
, child_tidptr=0x5555574e8650) = 13041
[pid 13041] set_robust_list(0x5555574e8660, 24) = 0
[pid 13041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13041] setpgid(0, 0)               = 0
[pid 13041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13041] write(3, "1000", 4)         = 4
[pid 13041] close(3)                    = 0
[pid 13041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.953678][T13037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13041] close(5)                    = 0
[pid 13041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13044 attached
) = 13044
[pid 13041] tkill(13044, SIGSTOP)       = 0
[pid 13041] exit_group(0 <unfinished ...>
[pid 13044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13041, si_uid=65534} ---
[pid 13041] <... exit_group resumed>)   = ?
[pid 13044] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13045 attached
, child_tidptr=0x5555574e8650) = 13045
[pid 13045] set_robust_list(0x5555574e8660, 24) = 0
[pid 13045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13045] setpgid(0, 0)               = 0
[pid 13045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13045] write(3, "1000", 4)         = 4
[pid 13045] close(3)                    = 0
[pid 13045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  167.999899][T13041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13045] close(5)                    = 0
[pid 13045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13048 attached
) = 13048
[pid 13045] tkill(13048, SIGSTOP)       = 0
[pid 13048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13045, si_uid=65534} ---
[pid 13045] exit_group(0 <unfinished ...>
[pid 13048] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13045] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13049 attached
, child_tidptr=0x5555574e8650) = 13049
[pid 13049] set_robust_list(0x5555574e8660, 24) = 0
[pid 13049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13049] setpgid(0, 0)               = 0
[pid 13049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13049] write(3, "1000", 4)         = 4
[pid 13049] close(3)                    = 0
[pid 13049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.050643][T13045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13049] close(5)                    = 0
[pid 13049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13052 attached
) = 13052
[pid 13049] tkill(13052, SIGSTOP)       = 0
[pid 13052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13049, si_uid=65534} ---
[pid 13049] exit_group(0 <unfinished ...>
[pid 13052] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13049] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13049] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13053 attached
, child_tidptr=0x5555574e8650) = 13053
[pid 13053] set_robust_list(0x5555574e8660, 24) = 0
[pid 13053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13053] setpgid(0, 0)               = 0
[pid 13053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13053] write(3, "1000", 4)         = 4
[pid 13053] close(3)                    = 0
[pid 13053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.099994][T13049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13053] close(5)                    = 0
[pid 13053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13056 attached
) = 13056
[pid 13053] tkill(13056, SIGSTOP)       = 0
[pid 13056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13053, si_uid=65534} ---
[pid 13053] exit_group(0 <unfinished ...>
[pid 13056] --- stopped by SIGSTOP ---
[pid 13053] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13057 attached
, child_tidptr=0x5555574e8650) = 13057
[pid 13057] set_robust_list(0x5555574e8660, 24) = 0
[pid 13057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13057] setpgid(0, 0)               = 0
[pid 13057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13057] write(3, "1000", 4)         = 4
[pid 13057] close(3)                    = 0
[pid 13057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.149725][T13053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13057] close(5)                    = 0
[pid 13057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13060 attached
) = 13060
[pid 13057] tkill(13060, SIGSTOP)       = 0
[pid 13060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13057, si_uid=65534} ---
[pid 13057] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13060] --- stopped by SIGSTOP ---
[pid 13057] <... exit_group resumed>)   = ?
[pid 13057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13061 attached
, child_tidptr=0x5555574e8650) = 13061
[pid 13061] set_robust_list(0x5555574e8660, 24) = 0
[pid 13061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13061] setpgid(0, 0)               = 0
[pid 13061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13061] write(3, "1000", 4)         = 4
[pid 13061] close(3)                    = 0
[pid 13061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.208261][T13057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13061] close(5)                    = 0
[pid 13061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13064 attached
) = 13064
[pid 13061] tkill(13064, SIGSTOP)       = 0
[pid 13064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13061, si_uid=65534} ---
[pid 13061] exit_group(0 <unfinished ...>
[pid 13064] --- stopped by SIGSTOP ---
[pid 13061] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13061] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13065 attached
, child_tidptr=0x5555574e8650) = 13065
[pid 13065] set_robust_list(0x5555574e8660, 24) = 0
[pid 13065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13065] setpgid(0, 0)               = 0
[pid 13065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13065] write(3, "1000", 4)         = 4
[pid 13065] close(3)                    = 0
[pid 13065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.265332][T13061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13065] close(5)                    = 0
[pid 13065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13068 attached
) = 13068
[pid 13065] tkill(13068, SIGSTOP)       = 0
[pid 13065] exit_group(0 <unfinished ...>
[pid 13068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13065, si_uid=65534} ---
[pid 13068] --- stopped by SIGSTOP ---
[pid 13065] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13065, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13069 attached
, child_tidptr=0x5555574e8650) = 13069
[pid 13069] set_robust_list(0x5555574e8660, 24) = 0
[pid 13069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13069] setpgid(0, 0)               = 0
[pid 13069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13069] write(3, "1000", 4)         = 4
[pid 13069] close(3)                    = 0
[pid 13069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.312738][T13065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13069] close(5)                    = 0
[pid 13069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13072 attached
) = 13072
[pid 13069] tkill(13072, SIGSTOP)       = 0
[pid 13072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13069, si_uid=65534} ---
[pid 13069] exit_group(0 <unfinished ...>
[pid 13072] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13069] <... exit_group resumed>)   = ?
[pid 13069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13073 attached
, child_tidptr=0x5555574e8650) = 13073
[pid 13073] set_robust_list(0x5555574e8660, 24) = 0
[pid 13073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13073] setpgid(0, 0)               = 0
[pid 13073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13073] write(3, "1000", 4)         = 4
[pid 13073] close(3)                    = 0
[pid 13073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.373432][T13069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13073] close(5)                    = 0
[pid 13073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13076 attached
) = 13076
[pid 13073] tkill(13076, SIGSTOP)       = 0
[pid 13076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13073, si_uid=65534} ---
[pid 13073] exit_group(0 <unfinished ...>
[pid 13076] --- stopped by SIGSTOP ---
[pid 13073] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13077 attached
, child_tidptr=0x5555574e8650) = 13077
[pid 13077] set_robust_list(0x5555574e8660, 24) = 0
[pid 13077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13077] setpgid(0, 0)               = 0
[pid 13077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13077] write(3, "1000", 4)         = 4
[pid 13077] close(3)                    = 0
[pid 13077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.422856][T13073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13077] close(5)                    = 0
[pid 13077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13080 attached
) = 13080
[pid 13077] tkill(13080, SIGSTOP)       = 0
[pid 13080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13077, si_uid=65534} ---
[pid 13077] exit_group(0 <unfinished ...>
[pid 13080] --- stopped by SIGSTOP ---
[pid 13077] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13077] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13077, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13081 attached
, child_tidptr=0x5555574e8650) = 13081
[pid 13081] set_robust_list(0x5555574e8660, 24) = 0
[pid 13081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13081] setpgid(0, 0)               = 0
[pid 13081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13081] write(3, "1000", 4)         = 4
[pid 13081] close(3)                    = 0
[pid 13081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.472221][T13077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13081] close(5)                    = 0
[pid 13081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13084 attached
) = 13084
[pid 13081] tkill(13084, SIGSTOP)       = 0
[pid 13084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13081, si_uid=65534} ---
[pid 13081] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13084] --- stopped by SIGSTOP ---
[pid 13081] <... exit_group resumed>)   = ?
[pid 13081] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13085 attached
, child_tidptr=0x5555574e8650) = 13085
[pid 13085] set_robust_list(0x5555574e8660, 24) = 0
[pid 13085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13085] setpgid(0, 0)               = 0
[pid 13085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13085] write(3, "1000", 4)         = 4
[pid 13085] close(3)                    = 0
[pid 13085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.519227][T13081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13085] close(5)                    = 0
[pid 13085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13088 attached
) = 13088
[pid 13085] tkill(13088, SIGSTOP)       = 0
[pid 13085] exit_group(0 <unfinished ...>
[pid 13088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13085, si_uid=65534} ---
[pid 13085] <... exit_group resumed>)   = ?
[pid 13088] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13085] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13089 attached
, child_tidptr=0x5555574e8650) = 13089
[pid 13089] set_robust_list(0x5555574e8660, 24) = 0
[pid 13089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13089] setpgid(0, 0)               = 0
[pid 13089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13089] write(3, "1000", 4)         = 4
[pid 13089] close(3)                    = 0
[pid 13089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.564722][T13085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13089] close(5)                    = 0
[pid 13089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13092 attached
) = 13092
[pid 13089] tkill(13092, SIGSTOP)       = 0
[pid 13092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13089, si_uid=65534} ---
[pid 13089] exit_group(0 <unfinished ...>
[pid 13092] --- stopped by SIGSTOP ---
[pid 13089] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13093 attached
, child_tidptr=0x5555574e8650) = 13093
[pid 13093] set_robust_list(0x5555574e8660, 24) = 0
[pid 13093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13093] setpgid(0, 0)               = 0
[pid 13093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13093] write(3, "1000", 4)         = 4
[pid 13093] close(3)                    = 0
[pid 13093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.609948][T13089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13093] close(5)                    = 0
[pid 13093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13096 attached
) = 13096
[pid 13093] tkill(13096, SIGSTOP)       = 0
[pid 13096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13093, si_uid=65534} ---
[pid 13093] exit_group(0 <unfinished ...>
[pid 13096] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13093] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13093] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13097 attached
, child_tidptr=0x5555574e8650) = 13097
[pid 13097] set_robust_list(0x5555574e8660, 24) = 0
[pid 13097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13097] setpgid(0, 0)               = 0
[pid 13097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13097] write(3, "1000", 4)         = 4
[pid 13097] close(3)                    = 0
[pid 13097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.658540][T13093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13097] close(5)                    = 0
[pid 13097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13100 attached
) = 13100
[pid 13097] tkill(13100, SIGSTOP)       = 0
[pid 13097] exit_group(0 <unfinished ...>
[pid 13100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13097, si_uid=65534} ---
[pid 13097] <... exit_group resumed>)   = ?
[pid 13100] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13101 attached
, child_tidptr=0x5555574e8650) = 13101
[pid 13101] set_robust_list(0x5555574e8660, 24) = 0
[pid 13101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13101] setpgid(0, 0)               = 0
[pid 13101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13101] write(3, "1000", 4)         = 4
[pid 13101] close(3)                    = 0
[pid 13101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.717658][T13097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13101] close(5)                    = 0
[pid 13101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13104 attached
) = 13104
[pid 13101] tkill(13104, SIGSTOP)       = 0
[pid 13101] exit_group(0 <unfinished ...>
[pid 13104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13101, si_uid=65534} ---
[pid 13101] <... exit_group resumed>)   = ?
[pid 13104] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13101] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13101, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13105 attached
, child_tidptr=0x5555574e8650) = 13105
[pid 13105] set_robust_list(0x5555574e8660, 24) = 0
[pid 13105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13105] setpgid(0, 0)               = 0
[pid 13105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13105] write(3, "1000", 4)         = 4
[pid 13105] close(3)                    = 0
[pid 13105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.766101][T13101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13105] close(5)                    = 0
[pid 13105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13108 attached
) = 13108
[pid 13105] tkill(13108, SIGSTOP)       = 0
[pid 13108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13105, si_uid=65534} ---
[pid 13105] exit_group(0 <unfinished ...>
[pid 13108] --- stopped by SIGSTOP ---
[pid 13105] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13105] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13105, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13109 attached
, child_tidptr=0x5555574e8650) = 13109
[pid 13109] set_robust_list(0x5555574e8660, 24) = 0
[pid 13109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13109] setpgid(0, 0)               = 0
[pid 13109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13109] write(3, "1000", 4)         = 4
[pid 13109] close(3)                    = 0
[pid 13109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.823109][T13105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13109] close(5)                    = 0
[pid 13109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13112 attached
) = 13112
[pid 13109] tkill(13112, SIGSTOP)       = 0
[pid 13112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13109, si_uid=65534} ---
[pid 13109] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13112] --- stopped by SIGSTOP ---
[pid 13109] <... exit_group resumed>)   = ?
[pid 13109] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13109, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13113 attached
, child_tidptr=0x5555574e8650) = 13113
[pid 13113] set_robust_list(0x5555574e8660, 24) = 0
[pid 13113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13113] setpgid(0, 0)               = 0
[pid 13113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13113] write(3, "1000", 4)         = 4
[pid 13113] close(3)                    = 0
[pid 13113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.873628][T13109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13113] close(5)                    = 0
[pid 13113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13116 attached
) = 13116
[pid 13113] tkill(13116, SIGSTOP)       = 0
[pid 13116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13113, si_uid=65534} ---
[pid 13113] exit_group(0 <unfinished ...>
[pid 13116] --- stopped by SIGSTOP ---
[pid 13113] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13117 attached
, child_tidptr=0x5555574e8650) = 13117
[pid 13117] set_robust_list(0x5555574e8660, 24) = 0
[pid 13117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13117] setpgid(0, 0)               = 0
[pid 13117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13117] write(3, "1000", 4)         = 4
[pid 13117] close(3)                    = 0
[pid 13117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.923209][T13113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13117] close(5)                    = 0
[pid 13117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13120 attached
) = 13120
[pid 13117] tkill(13120, SIGSTOP)       = 0
[pid 13120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13117, si_uid=65534} ---
[pid 13117] exit_group(0 <unfinished ...>
[pid 13120] --- stopped by SIGSTOP ---
[pid 13117] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13117] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13121 attached
, child_tidptr=0x5555574e8650) = 13121
[pid 13121] set_robust_list(0x5555574e8660, 24) = 0
[pid 13121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13121] setpgid(0, 0)               = 0
[pid 13121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13121] write(3, "1000", 4)         = 4
[pid 13121] close(3)                    = 0
[pid 13121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  168.972762][T13117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13121] close(5)                    = 0
[pid 13121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13124 attached
) = 13124
[pid 13121] tkill(13124, SIGSTOP)       = 0
[pid 13124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13121, si_uid=65534} ---
[pid 13121] exit_group(0 <unfinished ...>
[pid 13124] --- stopped by SIGSTOP ---
[pid 13121] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13121] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13125 attached
, child_tidptr=0x5555574e8650) = 13125
[pid 13125] set_robust_list(0x5555574e8660, 24) = 0
[pid 13125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13125] setpgid(0, 0)               = 0
[pid 13125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13125] write(3, "1000", 4)         = 4
[pid 13125] close(3)                    = 0
[pid 13125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.021038][T13121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13125] close(5)                    = 0
[pid 13125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13128 attached
) = 13128
[pid 13125] tkill(13128, SIGSTOP)       = 0
[pid 13128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13125, si_uid=65534} ---
[pid 13125] exit_group(0 <unfinished ...>
[pid 13128] --- stopped by SIGSTOP ---
[pid 13125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13125] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13129 attached
, child_tidptr=0x5555574e8650) = 13129
[pid 13129] set_robust_list(0x5555574e8660, 24) = 0
[pid 13129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13129] setpgid(0, 0)               = 0
[pid 13129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13129] write(3, "1000", 4)         = 4
[pid 13129] close(3)                    = 0
[pid 13129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.080961][T13125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13129] close(5)                    = 0
[pid 13129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13132 attached
) = 13132
[pid 13129] tkill(13132, SIGSTOP)       = 0
[pid 13132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13129, si_uid=65534} ---
[pid 13129] exit_group(0 <unfinished ...>
[pid 13132] --- stopped by SIGSTOP ---
[pid 13129] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13133 attached
, child_tidptr=0x5555574e8650) = 13133
[pid 13133] set_robust_list(0x5555574e8660, 24) = 0
[pid 13133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13133] setpgid(0, 0)               = 0
[pid 13133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13133] write(3, "1000", 4)         = 4
[pid 13133] close(3)                    = 0
[pid 13133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.131137][T13129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13133] close(5)                    = 0
[pid 13133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13136 attached
) = 13136
[pid 13133] tkill(13136, SIGSTOP)       = 0
[pid 13136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13133, si_uid=65534} ---
[pid 13136] --- stopped by SIGSTOP ---
[pid 13133] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13133] <... exit_group resumed>)   = ?
[pid 13133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13137 attached
, child_tidptr=0x5555574e8650) = 13137
[pid 13137] set_robust_list(0x5555574e8660, 24) = 0
[pid 13137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13137] setpgid(0, 0)               = 0
[pid 13137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13137] write(3, "1000", 4)         = 4
[pid 13137] close(3)                    = 0
[pid 13137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.181274][T13133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13137] close(5)                    = 0
[pid 13137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13140 attached
) = 13140
[pid 13137] tkill(13140, SIGSTOP)       = 0
[pid 13137] exit_group(0 <unfinished ...>
[pid 13140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13137, si_uid=65534} ---
[pid 13137] <... exit_group resumed>)   = ?
[pid 13140] --- stopped by SIGSTOP ---
[pid 13137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13141 attached
, child_tidptr=0x5555574e8650) = 13141
[pid 13141] set_robust_list(0x5555574e8660, 24) = 0
[pid 13141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13141] setpgid(0, 0)               = 0
[pid 13141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13141] write(3, "1000", 4)         = 4
[pid 13141] close(3)                    = 0
[pid 13141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.229334][T13137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13141] close(5)                    = 0
[pid 13141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13144 attached
) = 13144
[pid 13141] tkill(13144, SIGSTOP)       = 0
[pid 13141] exit_group(0 <unfinished ...>
[pid 13144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13141, si_uid=65534} ---
[pid 13141] <... exit_group resumed>)   = ?
[pid 13144] --- stopped by SIGSTOP ---
[pid 13141] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13145 attached
, child_tidptr=0x5555574e8650) = 13145
[pid 13145] set_robust_list(0x5555574e8660, 24) = 0
[pid 13145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13145] setpgid(0, 0)               = 0
[pid 13145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13145] write(3, "1000", 4)         = 4
[pid 13145] close(3)                    = 0
[pid 13145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.286184][T13141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13145] close(5)                    = 0
[pid 13145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13148 attached
) = 13148
[pid 13145] tkill(13148, SIGSTOP)       = 0
[pid 13145] exit_group(0 <unfinished ...>
[pid 13148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13145, si_uid=65534} ---
[pid 13145] <... exit_group resumed>)   = ?
[pid 13148] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13145] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13149 attached
, child_tidptr=0x5555574e8650) = 13149
[pid 13149] set_robust_list(0x5555574e8660, 24) = 0
[pid 13149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13149] setpgid(0, 0)               = 0
[pid 13149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13149] write(3, "1000", 4)         = 4
[pid 13149] close(3)                    = 0
[pid 13149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.332653][T13145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13149] close(5)                    = 0
[pid 13149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13152 attached
) = 13152
[pid 13149] tkill(13152, SIGSTOP)       = 0
[pid 13149] exit_group(0 <unfinished ...>
[pid 13152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13149, si_uid=65534} ---
[pid 13149] <... exit_group resumed>)   = ?
[pid 13152] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13153 attached
, child_tidptr=0x5555574e8650) = 13153
[pid 13153] set_robust_list(0x5555574e8660, 24) = 0
[pid 13153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  169.386429][T13149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13153] setpgid(0, 0)               = 0
[pid 13153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13153] write(3, "1000", 4)         = 4
[pid 13153] close(3)                    = 0
[pid 13153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13153] close(5)                    = 0
[pid 13153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13156 attached
) = 13156
[pid 13153] tkill(13156, SIGSTOP)       = 0
[pid 13156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13153, si_uid=65534} ---
[pid 13153] exit_group(0 <unfinished ...>
[pid 13156] --- stopped by SIGSTOP ---
[pid 13153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13153] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13157 attached
, child_tidptr=0x5555574e8650) = 13157
[pid 13157] set_robust_list(0x5555574e8660, 24) = 0
[pid 13157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13157] setpgid(0, 0)               = 0
[pid 13157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13157] write(3, "1000", 4)         = 4
[pid 13157] close(3)                    = 0
[pid 13157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.466460][T13153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13157] close(5)                    = 0
[pid 13157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13160 attached
) = 13160
[pid 13157] tkill(13160, SIGSTOP)       = 0
[pid 13160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13157, si_uid=65534} ---
[pid 13157] exit_group(0 <unfinished ...>
[pid 13160] --- stopped by SIGSTOP ---
[pid 13157] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13161 attached
, child_tidptr=0x5555574e8650) = 13161
[pid 13161] set_robust_list(0x5555574e8660, 24) = 0
[pid 13161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13161] setpgid(0, 0)               = 0
[pid 13161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13161] write(3, "1000", 4)         = 4
[  169.515545][T13157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13161] close(3)                    = 0
[pid 13161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13161] close(5)                    = 0
[pid 13161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13164 attached
) = 13164
[pid 13161] tkill(13164, SIGSTOP)       = 0
[pid 13161] exit_group(0 <unfinished ...>
[pid 13164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13161, si_uid=65534} ---
[pid 13164] --- stopped by SIGSTOP ---
[pid 13161] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13161] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13161, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13165 attached
, child_tidptr=0x5555574e8650) = 13165
[pid 13165] set_robust_list(0x5555574e8660, 24) = 0
[pid 13165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13165] setpgid(0, 0)               = 0
[pid 13165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13165] write(3, "1000", 4)         = 4
[pid 13165] close(3)                    = 0
[pid 13165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.583887][T13161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13165] close(5)                    = 0
[pid 13165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13168 attached
) = 13168
[pid 13165] tkill(13168, SIGSTOP)       = 0
[pid 13165] exit_group(0 <unfinished ...>
[pid 13168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13165, si_uid=65534} ---
[pid 13165] <... exit_group resumed>)   = ?
[pid 13168] --- stopped by SIGSTOP ---
[pid 13165] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13169 attached
, child_tidptr=0x5555574e8650) = 13169
[pid 13169] set_robust_list(0x5555574e8660, 24) = 0
[pid 13169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13169] setpgid(0, 0)               = 0
[pid 13169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13169] write(3, "1000", 4)         = 4
[pid 13169] close(3)                    = 0
[pid 13169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.643591][T13165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13169] close(5)                    = 0
[pid 13169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13172 attached
) = 13172
[pid 13169] tkill(13172, SIGSTOP)       = 0
[pid 13169] exit_group(0 <unfinished ...>
[pid 13172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13169, si_uid=65534} ---
[pid 13169] <... exit_group resumed>)   = ?
[pid 13172] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13169] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13169, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13173 attached
, child_tidptr=0x5555574e8650) = 13173
[pid 13173] set_robust_list(0x5555574e8660, 24) = 0
[pid 13173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13173] setpgid(0, 0)               = 0
[pid 13173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13173] write(3, "1000", 4)         = 4
[pid 13173] close(3)                    = 0
[pid 13173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.691466][T13169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13173] close(5)                    = 0
[pid 13173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13176 attached
) = 13176
[pid 13173] tkill(13176, SIGSTOP)       = 0
[pid 13176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13173, si_uid=65534} ---
[pid 13173] exit_group(0 <unfinished ...>
[pid 13176] --- stopped by SIGSTOP ---
[pid 13173] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13173, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13177 attached
, child_tidptr=0x5555574e8650) = 13177
[pid 13177] set_robust_list(0x5555574e8660, 24) = 0
[pid 13177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13177] setpgid(0, 0)               = 0
[pid 13177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13177] write(3, "1000", 4)         = 4
[pid 13177] close(3)                    = 0
[pid 13177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.750600][T13173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13177] close(5)                    = 0
[pid 13177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13180 attached
) = 13180
[pid 13177] tkill(13180, SIGSTOP)       = 0
[pid 13180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13177, si_uid=65534} ---
[pid 13177] exit_group(0 <unfinished ...>
[pid 13180] --- stopped by SIGSTOP ---
[pid 13177] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13181 attached
, child_tidptr=0x5555574e8650) = 13181
[pid 13181] set_robust_list(0x5555574e8660, 24) = 0
[pid 13181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13181] setpgid(0, 0)               = 0
[pid 13181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13181] write(3, "1000", 4)         = 4
[pid 13181] close(3)                    = 0
[pid 13181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.801344][T13177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13181] close(5)                    = 0
[pid 13181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13184 attached
) = 13184
[pid 13181] tkill(13184, SIGSTOP)       = 0
[pid 13181] exit_group(0 <unfinished ...>
[pid 13184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13181, si_uid=65534} ---
[pid 13184] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13181] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13185 attached
, child_tidptr=0x5555574e8650) = 13185
[pid 13185] set_robust_list(0x5555574e8660, 24) = 0
[pid 13185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13185] setpgid(0, 0)               = 0
[pid 13185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13185] write(3, "1000", 4)         = 4
[pid 13185] close(3)                    = 0
[pid 13185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.860797][T13181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13185] close(5)                    = 0
[pid 13185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13188 attached
) = 13188
[pid 13185] tkill(13188, SIGSTOP)       = 0
[pid 13185] exit_group(0 <unfinished ...>
[pid 13188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13185, si_uid=65534} ---
[pid 13185] <... exit_group resumed>)   = ?
[pid 13188] --- stopped by SIGSTOP ---
[pid 13185] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13189 attached
, child_tidptr=0x5555574e8650) = 13189
[pid 13189] set_robust_list(0x5555574e8660, 24) = 0
[pid 13189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13189] setpgid(0, 0)               = 0
[pid 13189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13189] write(3, "1000", 4)         = 4
[pid 13189] close(3)                    = 0
[pid 13189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.921880][T13185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13189] close(5)                    = 0
[pid 13189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13192 attached
) = 13192
[pid 13189] tkill(13192, SIGSTOP)       = 0
[pid 13192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13189, si_uid=65534} ---
[pid 13189] exit_group(0 <unfinished ...>
[pid 13192] --- stopped by SIGSTOP ---
[pid 13189] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13189] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13193 attached
, child_tidptr=0x5555574e8650) = 13193
[pid 13193] set_robust_list(0x5555574e8660, 24) = 0
[pid 13193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13193] setpgid(0, 0)               = 0
[pid 13193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13193] write(3, "1000", 4)         = 4
[pid 13193] close(3)                    = 0
[pid 13193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  169.971104][T13189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13193] close(5)                    = 0
[pid 13193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13196 attached
) = 13196
[pid 13193] tkill(13196, SIGSTOP)       = 0
[pid 13196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13193, si_uid=65534} ---
[pid 13193] exit_group(0 <unfinished ...>
[pid 13196] --- stopped by SIGSTOP ---
[pid 13193] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13197 attached
, child_tidptr=0x5555574e8650) = 13197
[pid 13197] set_robust_list(0x5555574e8660, 24) = 0
[pid 13197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13197] setpgid(0, 0)               = 0
[pid 13197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13197] write(3, "1000", 4)         = 4
[pid 13197] close(3)                    = 0
[  170.031156][T13193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13197] close(5)                    = 0
[pid 13197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13200 attached
) = 13200
[pid 13197] tkill(13200, SIGSTOP)       = 0
[pid 13200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13197, si_uid=65534} ---
[pid 13197] exit_group(0 <unfinished ...>
[pid 13200] --- stopped by SIGSTOP ---
[pid 13197] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13197, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13201 attached
, child_tidptr=0x5555574e8650) = 13201
[pid 13201] set_robust_list(0x5555574e8660, 24) = 0
[pid 13201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13201] setpgid(0, 0)               = 0
[pid 13201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13201] write(3, "1000", 4)         = 4
[pid 13201] close(3)                    = 0
[pid 13201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.099764][T13197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13201] close(5)                    = 0
[pid 13201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13204 attached
) = 13204
[pid 13201] tkill(13204, SIGSTOP)       = 0
[pid 13204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13201, si_uid=65534} ---
[pid 13201] exit_group(0 <unfinished ...>
[pid 13204] --- stopped by SIGSTOP ---
[pid 13201] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13205 attached
, child_tidptr=0x5555574e8650) = 13205
[pid 13205] set_robust_list(0x5555574e8660, 24) = 0
[pid 13205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13205] setpgid(0, 0)               = 0
[pid 13205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13205] write(3, "1000", 4)         = 4
[pid 13205] close(3)                    = 0
[pid 13205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.148467][T13201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13205] close(5)                    = 0
[pid 13205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13208 attached
) = 13208
[pid 13205] tkill(13208, SIGSTOP)       = 0
[pid 13205] exit_group(0 <unfinished ...>
[pid 13208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13205, si_uid=65534} ---
[pid 13205] <... exit_group resumed>)   = ?
[pid 13208] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13209 attached
, child_tidptr=0x5555574e8650) = 13209
[pid 13209] set_robust_list(0x5555574e8660, 24) = 0
[pid 13209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13209] setpgid(0, 0)               = 0
[pid 13209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13209] write(3, "1000", 4)         = 4
[pid 13209] close(3)                    = 0
[pid 13209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.209321][T13205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13209] close(5)                    = 0
[pid 13209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13212 attached
) = 13212
[pid 13209] tkill(13212, SIGSTOP)       = 0
[pid 13212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13209, si_uid=65534} ---
[pid 13209] exit_group(0 <unfinished ...>
[pid 13212] --- stopped by SIGSTOP ---
[pid 13209] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13213 attached
, child_tidptr=0x5555574e8650) = 13213
[pid 13213] set_robust_list(0x5555574e8660, 24) = 0
[pid 13213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13213] setpgid(0, 0)               = 0
[pid 13213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  170.259189][T13209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13213] write(3, "1000", 4)         = 4
[pid 13213] close(3)                    = 0
[pid 13213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13213] close(5)                    = 0
[pid 13213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13216 attached
) = 13216
[pid 13213] tkill(13216, SIGSTOP)       = 0
[pid 13216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13213, si_uid=65534} ---
[pid 13213] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13216] --- stopped by SIGSTOP ---
[pid 13213] <... exit_group resumed>)   = ?
[pid 13213] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13217 attached
, child_tidptr=0x5555574e8650) = 13217
[pid 13217] set_robust_list(0x5555574e8660, 24) = 0
[pid 13217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13217] setpgid(0, 0)               = 0
[pid 13217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13217] write(3, "1000", 4)         = 4
[pid 13217] close(3)                    = 0
[pid 13217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.331181][T13213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13217] close(5)                    = 0
[pid 13217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13220 attached
) = 13220
[pid 13217] tkill(13220, SIGSTOP)       = 0
[pid 13220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13217, si_uid=65534} ---
[pid 13217] exit_group(0 <unfinished ...>
[pid 13220] --- stopped by SIGSTOP ---
[pid 13217] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13217] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13217, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13221 attached
, child_tidptr=0x5555574e8650) = 13221
[pid 13221] set_robust_list(0x5555574e8660, 24) = 0
[pid 13221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13221] setpgid(0, 0)               = 0
[pid 13221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13221] write(3, "1000", 4)         = 4
[pid 13221] close(3)                    = 0
[pid 13221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.381303][T13217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13221] close(5)                    = 0
[pid 13221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13224 attached
) = 13224
[pid 13221] tkill(13224, SIGSTOP)       = 0
[pid 13221] exit_group(0 <unfinished ...>
[pid 13224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13221, si_uid=65534} ---
[pid 13224] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13221] <... exit_group resumed>)   = ?
[pid 13221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13225 attached
, child_tidptr=0x5555574e8650) = 13225
[pid 13225] set_robust_list(0x5555574e8660, 24) = 0
[pid 13225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13225] setpgid(0, 0)               = 0
[pid 13225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13225] write(3, "1000", 4)         = 4
[pid 13225] close(3)                    = 0
[pid 13225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  170.429897][T13221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13225] close(5)                    = 0
[pid 13225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13228 attached
) = 13228
[pid 13225] tkill(13228, SIGSTOP)       = 0
[pid 13228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13225, si_uid=65534} ---
[pid 13225] exit_group(0 <unfinished ...>
[pid 13228] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13225] <... exit_group resumed>)   = ?
[pid 13225] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13225, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13229 attached
, child_tidptr=0x5555574e8650) = 13229
[pid 13229] set_robust_list(0x5555574e8660, 24) = 0
[pid 13229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13229] setpgid(0, 0)               = 0
[pid 13229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13229] write(3, "1000", 4)         = 4
[pid 13229] close(3)                    = 0
[pid 13229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.494212][T13225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13229] close(5)                    = 0
[pid 13229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13232 attached
) = 13232
[pid 13229] tkill(13232, SIGSTOP)       = 0
[pid 13232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13229, si_uid=65534} ---
[pid 13232] --- stopped by SIGSTOP ---
[pid 13229] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13229, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13233 attached
, child_tidptr=0x5555574e8650) = 13233
[pid 13233] set_robust_list(0x5555574e8660, 24) = 0
[pid 13233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13233] setpgid(0, 0)               = 0
[pid 13233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13233] write(3, "1000", 4)         = 4
[pid 13233] close(3)                    = 0
[pid 13233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.543386][T13229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13233] close(5)                    = 0
[pid 13233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13236 attached
) = 13236
[pid 13233] tkill(13236, SIGSTOP)       = 0
[pid 13236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13233, si_uid=65534} ---
[pid 13233] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13236] --- stopped by SIGSTOP ---
[pid 13233] <... exit_group resumed>)   = ?
[pid 13233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13237 attached
, child_tidptr=0x5555574e8650) = 13237
[pid 13237] set_robust_list(0x5555574e8660, 24) = 0
[pid 13237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13237] setpgid(0, 0)               = 0
[pid 13237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13237] write(3, "1000", 4)         = 4
[pid 13237] close(3)                    = 0
[pid 13237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.603528][T13233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13237] close(5)                    = 0
[pid 13237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13240 attached
) = 13240
[pid 13237] tkill(13240, SIGSTOP)       = 0
[pid 13240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13237, si_uid=65534} ---
[pid 13240] --- stopped by SIGSTOP ---
[pid 13237] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13237] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13237] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13237, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13241 attached
, child_tidptr=0x5555574e8650) = 13241
[pid 13241] set_robust_list(0x5555574e8660, 24) = 0
[pid 13241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13241] setpgid(0, 0)               = 0
[pid 13241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13241] write(3, "1000", 4)         = 4
[pid 13241] close(3)                    = 0
[pid 13241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.662590][T13237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13241] close(5)                    = 0
[pid 13241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13244 attached
) = 13244
[pid 13241] tkill(13244, SIGSTOP)       = 0
[pid 13241] exit_group(0 <unfinished ...>
[pid 13244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13241, si_uid=65534} ---
[pid 13241] <... exit_group resumed>)   = ?
[pid 13244] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13241] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13241, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13245 attached
, child_tidptr=0x5555574e8650) = 13245
[pid 13245] set_robust_list(0x5555574e8660, 24) = 0
[pid 13245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13245] setpgid(0, 0)               = 0
[pid 13245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13245] write(3, "1000", 4)         = 4
[pid 13245] close(3)                    = 0
[pid 13245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.720518][T13241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13245] close(5)                    = 0
[pid 13245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13248 attached
) = 13248
[pid 13245] tkill(13248, SIGSTOP)       = 0
[pid 13248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13245, si_uid=65534} ---
[pid 13245] exit_group(0 <unfinished ...>
[pid 13248] --- stopped by SIGSTOP ---
[pid 13245] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13249 attached
, child_tidptr=0x5555574e8650) = 13249
[pid 13249] set_robust_list(0x5555574e8660, 24) = 0
[pid 13249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13249] setpgid(0, 0)               = 0
[pid 13249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13249] write(3, "1000", 4)         = 4
[pid 13249] close(3)                    = 0
[pid 13249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.779431][T13245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13249] close(5)                    = 0
[pid 13249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13252 attached
) = 13252
[pid 13249] tkill(13252, SIGSTOP)       = 0
[pid 13249] exit_group(0 <unfinished ...>
[pid 13252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13249, si_uid=65534} ---
[pid 13252] --- stopped by SIGSTOP ---
[pid 13249] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13249] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13253 attached
, child_tidptr=0x5555574e8650) = 13253
[pid 13253] set_robust_list(0x5555574e8660, 24) = 0
[pid 13253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13253] setpgid(0, 0)               = 0
[pid 13253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13253] write(3, "1000", 4)         = 4
[pid 13253] close(3)                    = 0
[pid 13253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.839369][T13249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13253] close(5)                    = 0
[pid 13253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13256 attached
) = 13256
[pid 13253] tkill(13256, SIGSTOP)       = 0
[pid 13253] exit_group(0 <unfinished ...>
[pid 13256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13253, si_uid=65534} ---
[pid 13253] <... exit_group resumed>)   = ?
[pid 13256] --- stopped by SIGSTOP ---
[pid 13253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13257 attached
, child_tidptr=0x5555574e8650) = 13257
[pid 13257] set_robust_list(0x5555574e8660, 24) = 0
[pid 13257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13257] setpgid(0, 0)               = 0
[pid 13257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13257] write(3, "1000", 4)         = 4
[pid 13257] close(3)                    = 0
[pid 13257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.891493][T13253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13257] close(5)                    = 0
[pid 13257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13260 attached
) = 13260
[pid 13257] tkill(13260, SIGSTOP)       = 0
[pid 13260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13257, si_uid=65534} ---
[pid 13257] exit_group(0 <unfinished ...>
[pid 13260] --- stopped by SIGSTOP ---
[pid 13257] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13257] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13257, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13261 attached
, child_tidptr=0x5555574e8650) = 13261
[pid 13261] set_robust_list(0x5555574e8660, 24) = 0
[pid 13261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13261] setpgid(0, 0)               = 0
[pid 13261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13261] write(3, "1000", 4)         = 4
[pid 13261] close(3)                    = 0
[pid 13261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.945714][T13257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13261] close(5)                    = 0
[pid 13261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13264 attached
) = 13264
[pid 13261] tkill(13264, SIGSTOP)       = 0
[pid 13264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13261, si_uid=65534} ---
[pid 13261] exit_group(0 <unfinished ...>
[pid 13264] --- stopped by SIGSTOP ---
[pid 13261] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13265 attached
, child_tidptr=0x5555574e8650) = 13265
[pid 13265] set_robust_list(0x5555574e8660, 24) = 0
[pid 13265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13265] setpgid(0, 0)               = 0
[pid 13265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13265] write(3, "1000", 4)         = 4
[pid 13265] close(3)                    = 0
[pid 13265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  170.993717][T13261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13265] close(5)                    = 0
[pid 13265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13268 attached
) = 13268
[pid 13265] tkill(13268, SIGSTOP)       = 0
[pid 13268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13265, si_uid=65534} ---
[pid 13265] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13268] --- stopped by SIGSTOP ---
[pid 13265] <... exit_group resumed>)   = ?
[pid 13265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13269 attached
 <unfinished ...>
[pid 13269] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 13269
[pid 13269] <... set_robust_list resumed>) = 0
[pid 13269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13269] setpgid(0, 0)               = 0
[pid 13269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13269] write(3, "1000", 4)         = 4
[pid 13269] close(3)                    = 0
[pid 13269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.043845][T13265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13269] close(5)                    = 0
[pid 13269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13272 attached
) = 13272
[pid 13269] tkill(13272, SIGSTOP)       = 0
[pid 13272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13269, si_uid=65534} ---
[pid 13269] exit_group(0 <unfinished ...>
[pid 13272] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13269] <... exit_group resumed>)   = ?
[pid 13269] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13273 attached
, child_tidptr=0x5555574e8650) = 13273
[pid 13273] set_robust_list(0x5555574e8660, 24) = 0
[pid 13273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13273] setpgid(0, 0)               = 0
[pid 13273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13273] write(3, "1000", 4)         = 4
[pid 13273] close(3)                    = 0
[pid 13273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.089614][T13269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13273] close(5)                    = 0
[pid 13273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13276 attached
) = 13276
[pid 13273] tkill(13276, SIGSTOP)       = 0
[pid 13276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13273, si_uid=65534} ---
[pid 13273] exit_group(0 <unfinished ...>
[pid 13276] --- stopped by SIGSTOP ---
[pid 13273] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13277 attached
, child_tidptr=0x5555574e8650) = 13277
[pid 13277] set_robust_list(0x5555574e8660, 24) = 0
[pid 13277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13277] setpgid(0, 0)               = 0
[pid 13277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13277] write(3, "1000", 4)         = 4
[pid 13277] close(3)                    = 0
[pid 13277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.137042][T13273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13277] close(5)                    = 0
[pid 13277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13280 attached
) = 13280
[pid 13277] tkill(13280, SIGSTOP)       = 0
[pid 13277] exit_group(0 <unfinished ...>
[pid 13280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13277, si_uid=65534} ---
[pid 13277] <... exit_group resumed>)   = ?
[pid 13280] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13281 attached
, child_tidptr=0x5555574e8650) = 13281
[pid 13281] set_robust_list(0x5555574e8660, 24) = 0
[pid 13281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13281] setpgid(0, 0)               = 0
[pid 13281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13281] write(3, "1000", 4)         = 4
[pid 13281] close(3)                    = 0
[pid 13281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.197222][T13277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13281] close(5)                    = 0
[pid 13281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13284 attached
) = 13284
[pid 13281] tkill(13284, SIGSTOP)       = 0
[pid 13284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13281, si_uid=65534} ---
[pid 13281] exit_group(0 <unfinished ...>
[pid 13284] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13281] <... exit_group resumed>)   = ?
[pid 13281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13285 attached
, child_tidptr=0x5555574e8650) = 13285
[pid 13285] set_robust_list(0x5555574e8660, 24) = 0
[pid 13285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13285] setpgid(0, 0)               = 0
[pid 13285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13285] write(3, "1000", 4)         = 4
[pid 13285] close(3)                    = 0
[pid 13285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.253665][T13281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13285] close(5)                    = 0
[pid 13285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13288 attached
) = 13288
[pid 13285] tkill(13288, SIGSTOP)       = 0
[pid 13288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13285, si_uid=65534} ---
[pid 13285] exit_group(0 <unfinished ...>
[pid 13288] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13285] <... exit_group resumed>)   = ?
[pid 13285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13285, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13289 attached
, child_tidptr=0x5555574e8650) = 13289
[pid 13289] set_robust_list(0x5555574e8660, 24) = 0
[pid 13289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13289] setpgid(0, 0)               = 0
[pid 13289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13289] write(3, "1000", 4)         = 4
[pid 13289] close(3)                    = 0
[pid 13289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.313840][T13285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13289] close(5)                    = 0
[pid 13289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13292 attached
) = 13292
[pid 13289] tkill(13292, SIGSTOP)       = 0
[pid 13289] exit_group(0 <unfinished ...>
[pid 13292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13289, si_uid=65534} ---
[pid 13289] <... exit_group resumed>)   = ?
[pid 13292] --- stopped by SIGSTOP ---
[pid 13289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13293 attached
, child_tidptr=0x5555574e8650) = 13293
[pid 13293] set_robust_list(0x5555574e8660, 24) = 0
[pid 13293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13293] setpgid(0, 0)               = 0
[pid 13293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13293] write(3, "1000", 4)         = 4
[pid 13293] close(3)                    = 0
[pid 13293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.370491][T13289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13293] close(5)                    = 0
[pid 13293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13296 attached
) = 13296
[pid 13293] tkill(13296, SIGSTOP)       = 0
[pid 13296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13293, si_uid=65534} ---
[pid 13293] exit_group(0 <unfinished ...>
[pid 13296] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13293] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13297 attached
, child_tidptr=0x5555574e8650) = 13297
[pid 13297] set_robust_list(0x5555574e8660, 24) = 0
[pid 13297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13297] setpgid(0, 0)               = 0
[pid 13297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13297] write(3, "1000", 4)         = 4
[pid 13297] close(3)                    = 0
[pid 13297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.416733][T13293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13297] close(5)                    = 0
[pid 13297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13300 attached
) = 13300
[pid 13297] tkill(13300, SIGSTOP)       = 0
[pid 13300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13297, si_uid=65534} ---
[pid 13297] exit_group(0 <unfinished ...>
[pid 13300] --- stopped by SIGSTOP ---
[pid 13297] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13301 attached
, child_tidptr=0x5555574e8650) = 13301
[pid 13301] set_robust_list(0x5555574e8660, 24) = 0
[pid 13301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13301] setpgid(0, 0)               = 0
[pid 13301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13301] write(3, "1000", 4)         = 4
[pid 13301] close(3)                    = 0
[pid 13301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.462431][T13297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13301] close(5)                    = 0
[pid 13301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13304 attached
) = 13304
[pid 13301] tkill(13304, SIGSTOP)       = 0
[pid 13301] exit_group(0 <unfinished ...>
[pid 13304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13301, si_uid=65534} ---
[pid 13301] <... exit_group resumed>)   = ?
[pid 13304] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13301] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13301, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13305 attached
, child_tidptr=0x5555574e8650) = 13305
[pid 13305] set_robust_list(0x5555574e8660, 24) = 0
[pid 13305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13305] setpgid(0, 0)               = 0
[pid 13305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13305] write(3, "1000", 4)         = 4
[pid 13305] close(3)                    = 0
[pid 13305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.511239][T13301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13305] close(5)                    = 0
[pid 13305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13308 attached
) = 13308
[pid 13305] tkill(13308, SIGSTOP)       = 0
[pid 13305] exit_group(0 <unfinished ...>
[pid 13308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13305, si_uid=65534} ---
[pid 13305] <... exit_group resumed>)   = ?
[pid 13308] --- stopped by SIGSTOP ---
[pid 13305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13309 attached
, child_tidptr=0x5555574e8650) = 13309
[pid 13309] set_robust_list(0x5555574e8660, 24) = 0
[pid 13309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13309] setpgid(0, 0)               = 0
[pid 13309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13309] write(3, "1000", 4)         = 4
[pid 13309] close(3)                    = 0
[pid 13309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.568362][T13305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13309] close(5)                    = 0
[pid 13309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13312 attached
) = 13312
[pid 13309] tkill(13312, SIGSTOP)       = 0
[pid 13312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13309, si_uid=65534} ---
[pid 13309] exit_group(0 <unfinished ...>
[pid 13312] --- stopped by SIGSTOP ---
[pid 13309] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13309, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13313 attached
, child_tidptr=0x5555574e8650) = 13313
[pid 13313] set_robust_list(0x5555574e8660, 24) = 0
[pid 13313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13313] setpgid(0, 0)               = 0
[pid 13313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  171.615976][T13309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13313] write(3, "1000", 4)         = 4
[pid 13313] close(3)                    = 0
[pid 13313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13313] close(5)                    = 0
[pid 13313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13316 attached
) = 13316
[pid 13313] tkill(13316, SIGSTOP)       = 0
[pid 13313] exit_group(0 <unfinished ...>
[pid 13316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13313, si_uid=65534} ---
[pid 13313] <... exit_group resumed>)   = ?
[pid 13316] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13313] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13313, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13317 attached
, child_tidptr=0x5555574e8650) = 13317
[pid 13317] set_robust_list(0x5555574e8660, 24) = 0
[pid 13317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13317] setpgid(0, 0)               = 0
[pid 13317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13317] write(3, "1000", 4)         = 4
[pid 13317] close(3)                    = 0
[pid 13317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.686345][T13313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13317] close(5)                    = 0
[pid 13317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13320 attached
) = 13320
[pid 13317] tkill(13320, SIGSTOP)       = 0
[pid 13320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13317, si_uid=65534} ---
[pid 13317] exit_group(0 <unfinished ...>
[pid 13320] --- stopped by SIGSTOP ---
[pid 13317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13317, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13321 attached
, child_tidptr=0x5555574e8650) = 13321
[pid 13321] set_robust_list(0x5555574e8660, 24) = 0
[pid 13321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13321] setpgid(0, 0)               = 0
[pid 13321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13321] write(3, "1000", 4)         = 4
[pid 13321] close(3)                    = 0
[pid 13321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.735339][T13317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13321] close(5)                    = 0
[pid 13321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13324 attached
) = 13324
[pid 13321] tkill(13324, SIGSTOP)       = 0
[pid 13324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13321, si_uid=65534} ---
[pid 13321] exit_group(0 <unfinished ...>
[pid 13324] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13321] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13321, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13325 attached
, child_tidptr=0x5555574e8650) = 13325
[pid 13325] set_robust_list(0x5555574e8660, 24) = 0
[pid 13325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13325] setpgid(0, 0)               = 0
[pid 13325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13325] write(3, "1000", 4)         = 4
[pid 13325] close(3)                    = 0
[pid 13325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.785553][T13321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13325] close(5)                    = 0
[pid 13325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13328 attached
) = 13328
[pid 13325] tkill(13328, SIGSTOP)       = 0
[pid 13328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13325, si_uid=65534} ---
[pid 13325] exit_group(0 <unfinished ...>
[pid 13328] --- stopped by SIGSTOP ---
[pid 13325] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13325] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13329 attached
, child_tidptr=0x5555574e8650) = 13329
[pid 13329] set_robust_list(0x5555574e8660, 24) = 0
[pid 13329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13329] setpgid(0, 0)               = 0
[pid 13329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13329] write(3, "1000", 4)         = 4
[pid 13329] close(3)                    = 0
[pid 13329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.843030][T13325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13329] close(5)                    = 0
[pid 13329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13332 attached
) = 13332
[pid 13329] tkill(13332, SIGSTOP)       = 0
[pid 13332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13329, si_uid=65534} ---
[pid 13329] exit_group(0 <unfinished ...>
[pid 13332] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13329] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13333 attached
, child_tidptr=0x5555574e8650) = 13333
[pid 13333] set_robust_list(0x5555574e8660, 24) = 0
[pid 13333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13333] setpgid(0, 0)               = 0
[pid 13333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13333] write(3, "1000", 4)         = 4
[pid 13333] close(3)                    = 0
[pid 13333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.891508][T13329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13333] close(5)                    = 0
[pid 13333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13336 attached
) = 13336
[pid 13333] tkill(13336, SIGSTOP)       = 0
[pid 13336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13333, si_uid=65534} ---
[pid 13333] exit_group(0 <unfinished ...>
[pid 13336] --- stopped by SIGSTOP ---
[pid 13333] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13333] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13333, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13337 attached
, child_tidptr=0x5555574e8650) = 13337
[pid 13337] set_robust_list(0x5555574e8660, 24) = 0
[pid 13337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13337] setpgid(0, 0)               = 0
[pid 13337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13337] write(3, "1000", 4)         = 4
[pid 13337] close(3)                    = 0
[pid 13337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.937847][T13333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13337] close(5)                    = 0
[pid 13337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13340 attached
) = 13340
[pid 13337] tkill(13340, SIGSTOP)       = 0
[pid 13337] exit_group(0 <unfinished ...>
[pid 13340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13337, si_uid=65534} ---
[pid 13337] <... exit_group resumed>)   = ?
[pid 13340] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13341 attached
, child_tidptr=0x5555574e8650) = 13341
[pid 13341] set_robust_list(0x5555574e8660, 24) = 0
[pid 13341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13341] setpgid(0, 0)               = 0
[pid 13341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13341] write(3, "1000", 4)         = 4
[pid 13341] close(3)                    = 0
[pid 13341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  171.992780][T13337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13341] close(5)                    = 0
[pid 13341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13344 attached
) = 13344
[pid 13341] tkill(13344, SIGSTOP)       = 0
[pid 13341] exit_group(0 <unfinished ...>
[pid 13344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13341, si_uid=65534} ---
[pid 13341] <... exit_group resumed>)   = ?
[pid 13344] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13341, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13345 attached
, child_tidptr=0x5555574e8650) = 13345
[pid 13345] set_robust_list(0x5555574e8660, 24) = 0
[pid 13345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13345] setpgid(0, 0)               = 0
[pid 13345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13345] write(3, "1000", 4)         = 4
[pid 13345] close(3)                    = 0
[pid 13345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.041968][T13341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13345] close(5)                    = 0
[pid 13345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13348 attached
) = 13348
[pid 13345] tkill(13348, SIGSTOP)       = 0
[pid 13345] exit_group(0 <unfinished ...>
[pid 13348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13345, si_uid=65534} ---
[pid 13345] <... exit_group resumed>)   = ?
[pid 13348] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13349 attached
, child_tidptr=0x5555574e8650) = 13349
[pid 13349] set_robust_list(0x5555574e8660, 24) = 0
[pid 13349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13349] setpgid(0, 0)               = 0
[pid 13349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13349] write(3, "1000", 4)         = 4
[pid 13349] close(3)                    = 0
[pid 13349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.090327][T13345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13349] close(5)                    = 0
[pid 13349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13352 attached
) = 13352
[pid 13349] tkill(13352, SIGSTOP)       = 0
[pid 13352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13349, si_uid=65534} ---
[pid 13349] exit_group(0 <unfinished ...>
[pid 13352] --- stopped by SIGSTOP ---
[pid 13349] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13353 attached
, child_tidptr=0x5555574e8650) = 13353
[pid 13353] set_robust_list(0x5555574e8660, 24) = 0
[pid 13353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13353] setpgid(0, 0)               = 0
[pid 13353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13353] write(3, "1000", 4)         = 4
[pid 13353] close(3)                    = 0
[pid 13353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.137601][T13349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13353] close(5)                    = 0
[pid 13353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13356 attached
) = 13356
[pid 13353] tkill(13356, SIGSTOP)       = 0
[pid 13356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13353, si_uid=65534} ---
[pid 13353] exit_group(0 <unfinished ...>
[pid 13356] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13353] <... exit_group resumed>)   = ?
[pid 13353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13357 attached
, child_tidptr=0x5555574e8650) = 13357
[pid 13357] set_robust_list(0x5555574e8660, 24) = 0
[pid 13357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13357] setpgid(0, 0)               = 0
[pid 13357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13357] write(3, "1000", 4)         = 4
[pid 13357] close(3)                    = 0
[pid 13357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.190211][T13353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13357] close(5)                    = 0
[pid 13357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13360 attached
) = 13360
[pid 13357] tkill(13360, SIGSTOP)       = 0
[pid 13357] exit_group(0 <unfinished ...>
[pid 13360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13357, si_uid=65534} ---
[pid 13360] --- stopped by SIGSTOP ---
[pid 13357] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13357, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13361 attached
, child_tidptr=0x5555574e8650) = 13361
[pid 13361] set_robust_list(0x5555574e8660, 24) = 0
[pid 13361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13361] setpgid(0, 0)               = 0
[pid 13361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13361] write(3, "1000", 4)         = 4
[pid 13361] close(3)                    = 0
[pid 13361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.240679][T13357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13361] close(5)                    = 0
[pid 13361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13364 attached
) = 13364
[pid 13361] tkill(13364, SIGSTOP)       = 0
[pid 13364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13361, si_uid=65534} ---
[pid 13361] exit_group(0 <unfinished ...>
[pid 13364] --- stopped by SIGSTOP ---
[pid 13361] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13361] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13365 attached
, child_tidptr=0x5555574e8650) = 13365
[pid 13365] set_robust_list(0x5555574e8660, 24) = 0
[pid 13365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13365] setpgid(0, 0)               = 0
[pid 13365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13365] write(3, "1000", 4)         = 4
[pid 13365] close(3)                    = 0
[pid 13365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.289607][T13361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13365] close(5)                    = 0
[pid 13365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13368 attached
) = 13368
[pid 13365] tkill(13368, SIGSTOP)       = 0
[pid 13368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13365, si_uid=65534} ---
[pid 13365] exit_group(0 <unfinished ...>
[pid 13368] --- stopped by SIGSTOP ---
[pid 13365] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13365] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13369 attached
, child_tidptr=0x5555574e8650) = 13369
[pid 13369] set_robust_list(0x5555574e8660, 24) = 0
[pid 13369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13369] setpgid(0, 0)               = 0
[pid 13369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13369] write(3, "1000", 4)         = 4
[pid 13369] close(3)                    = 0
[pid 13369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.337163][T13365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13369] close(5)                    = 0
[pid 13369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13372 attached
) = 13372
[pid 13369] tkill(13372, SIGSTOP)       = 0
[pid 13372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13369, si_uid=65534} ---
[pid 13369] exit_group(0 <unfinished ...>
[pid 13372] --- stopped by SIGSTOP ---
[pid 13369] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13369, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13373 attached
, child_tidptr=0x5555574e8650) = 13373
[pid 13373] set_robust_list(0x5555574e8660, 24) = 0
[pid 13373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13373] setpgid(0, 0)               = 0
[pid 13373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13373] write(3, "1000", 4)         = 4
[pid 13373] close(3)                    = 0
[pid 13373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.386093][T13369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13373] close(5)                    = 0
[pid 13373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13376 attached
) = 13376
[pid 13373] tkill(13376, SIGSTOP)       = 0
[pid 13373] exit_group(0 <unfinished ...>
[pid 13376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13373, si_uid=65534} ---
[pid 13373] <... exit_group resumed>)   = ?
[pid 13376] --- stopped by SIGSTOP ---
[pid 13373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13377 attached
, child_tidptr=0x5555574e8650) = 13377
[pid 13377] set_robust_list(0x5555574e8660, 24) = 0
[pid 13377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13377] setpgid(0, 0)               = 0
[pid 13377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13377] write(3, "1000", 4)         = 4
[pid 13377] close(3)                    = 0
[pid 13377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.443157][T13373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13377] close(5)                    = 0
[pid 13377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13380 attached
) = 13380
[pid 13377] tkill(13380, SIGSTOP)       = 0
[pid 13380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13377, si_uid=65534} ---
[pid 13377] exit_group(0 <unfinished ...>
[pid 13380] --- stopped by SIGSTOP ---
[pid 13377] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13381 attached
, child_tidptr=0x5555574e8650) = 13381
[pid 13381] set_robust_list(0x5555574e8660, 24) = 0
[pid 13381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13381] setpgid(0, 0)               = 0
[pid 13381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13381] write(3, "1000", 4)         = 4
[pid 13381] close(3)                    = 0
[pid 13381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.499099][T13377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13381] close(5)                    = 0
[pid 13381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13384 attached
) = 13384
[pid 13381] tkill(13384, SIGSTOP)       = 0
[pid 13384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13381, si_uid=65534} ---
[pid 13381] exit_group(0 <unfinished ...>
[pid 13384] --- stopped by SIGSTOP ---
[pid 13381] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13381] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13385 attached
, child_tidptr=0x5555574e8650) = 13385
[pid 13385] set_robust_list(0x5555574e8660, 24) = 0
[pid 13385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13385] setpgid(0, 0)               = 0
[pid 13385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13385] write(3, "1000", 4)         = 4
[pid 13385] close(3)                    = 0
[pid 13385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.548545][T13381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13385] close(5)                    = 0
[pid 13385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13388 attached
) = 13388
[pid 13385] tkill(13388, SIGSTOP)       = 0
[pid 13388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13385, si_uid=65534} ---
[pid 13385] exit_group(0 <unfinished ...>
[pid 13388] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13385] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13389 attached
, child_tidptr=0x5555574e8650) = 13389
[pid 13389] set_robust_list(0x5555574e8660, 24) = 0
[pid 13389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13389] setpgid(0, 0)               = 0
[pid 13389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13389] write(3, "1000", 4)         = 4
[pid 13389] close(3)                    = 0
[pid 13389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.593842][T13385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13389] close(5)                    = 0
[pid 13389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13392 attached
) = 13392
[pid 13389] tkill(13392, SIGSTOP)       = 0
[pid 13389] exit_group(0 <unfinished ...>
[pid 13392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13389, si_uid=65534} ---
[pid 13389] <... exit_group resumed>)   = ?
[pid 13392] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13389, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13393 attached
, child_tidptr=0x5555574e8650) = 13393
[pid 13393] set_robust_list(0x5555574e8660, 24) = 0
[pid 13393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13393] setpgid(0, 0)               = 0
[pid 13393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13393] write(3, "1000", 4)         = 4
[pid 13393] close(3)                    = 0
[pid 13393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.642230][T13389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13393] close(5)                    = 0
[pid 13393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13396 attached
) = 13396
[pid 13393] tkill(13396, SIGSTOP)       = 0
[pid 13393] exit_group(0 <unfinished ...>
[pid 13396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13393, si_uid=65534} ---
[pid 13393] <... exit_group resumed>)   = ?
[pid 13396] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13397 attached
, child_tidptr=0x5555574e8650) = 13397
[pid 13397] set_robust_list(0x5555574e8660, 24) = 0
[pid 13397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13397] setpgid(0, 0)               = 0
[pid 13397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13397] write(3, "1000", 4)         = 4
[pid 13397] close(3)                    = 0
[pid 13397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.688881][T13393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13397] close(5)                    = 0
[pid 13397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13400 attached
) = 13400
[pid 13397] tkill(13400, SIGSTOP)       = 0
[pid 13400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13397, si_uid=65534} ---
[pid 13397] exit_group(0 <unfinished ...>
[pid 13400] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13397] <... exit_group resumed>)   = ?
[pid 13397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13401 attached
, child_tidptr=0x5555574e8650) = 13401
[pid 13401] set_robust_list(0x5555574e8660, 24) = 0
[pid 13401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13401] setpgid(0, 0)               = 0
[pid 13401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13401] write(3, "1000", 4)         = 4
[pid 13401] close(3)                    = 0
[pid 13401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.736683][T13397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13401] close(5)                    = 0
[pid 13401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13404 attached
) = 13404
[pid 13401] tkill(13404, SIGSTOP)       = 0
[pid 13404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13401, si_uid=65534} ---
[pid 13401] exit_group(0 <unfinished ...>
[pid 13404] --- stopped by SIGSTOP ---
[pid 13401] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13401] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13401, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13405 attached
, child_tidptr=0x5555574e8650) = 13405
[pid 13405] set_robust_list(0x5555574e8660, 24) = 0
[pid 13405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13405] setpgid(0, 0)               = 0
[pid 13405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13405] write(3, "1000", 4)         = 4
[pid 13405] close(3)                    = 0
[pid 13405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.784948][T13401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13405] close(5)                    = 0
[pid 13405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13408 attached
) = 13408
[pid 13405] tkill(13408, SIGSTOP)       = 0
[pid 13408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13405, si_uid=65534} ---
[pid 13405] exit_group(0 <unfinished ...>
[pid 13408] --- stopped by SIGSTOP ---
[pid 13405] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13409 attached
, child_tidptr=0x5555574e8650) = 13409
[pid 13409] set_robust_list(0x5555574e8660, 24) = 0
[pid 13409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13409] setpgid(0, 0)               = 0
[pid 13409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13409] write(3, "1000", 4)         = 4
[pid 13409] close(3)                    = 0
[pid 13409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.842488][T13405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13409] close(5)                    = 0
[pid 13409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13412 attached
) = 13412
[pid 13409] tkill(13412, SIGSTOP)       = 0
[pid 13412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13409, si_uid=65534} ---
[pid 13409] exit_group(0 <unfinished ...>
[pid 13412] --- stopped by SIGSTOP ---
[pid 13409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13413 attached
, child_tidptr=0x5555574e8650) = 13413
[pid 13413] set_robust_list(0x5555574e8660, 24) = 0
[pid 13413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13413] setpgid(0, 0)               = 0
[pid 13413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13413] write(3, "1000", 4)         = 4
[pid 13413] close(3)                    = 0
[pid 13413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.902666][T13409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13413] close(5)                    = 0
[pid 13413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13416 attached
) = 13416
[pid 13413] tkill(13416, SIGSTOP)       = 0
[pid 13416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13413, si_uid=65534} ---
[pid 13413] exit_group(0 <unfinished ...>
[pid 13416] --- stopped by SIGSTOP ---
[pid 13413] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13417 attached
, child_tidptr=0x5555574e8650) = 13417
[pid 13417] set_robust_list(0x5555574e8660, 24) = 0
[pid 13417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13417] setpgid(0, 0)               = 0
[pid 13417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13417] write(3, "1000", 4)         = 4
[pid 13417] close(3)                    = 0
[pid 13417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  172.951788][T13413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13417] close(5)                    = 0
[pid 13417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13420 attached
) = 13420
[pid 13417] tkill(13420, SIGSTOP)       = 0
[pid 13420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13417, si_uid=65534} ---
[pid 13417] exit_group(0 <unfinished ...>
[pid 13420] --- stopped by SIGSTOP ---
[pid 13417] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13421 attached
, child_tidptr=0x5555574e8650) = 13421
[pid 13421] set_robust_list(0x5555574e8660, 24) = 0
[pid 13421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13421] setpgid(0, 0)               = 0
[pid 13421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13421] write(3, "1000", 4)         = 4
[pid 13421] close(3)                    = 0
[pid 13421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.001171][T13417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13421] close(5)                    = 0
[pid 13421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13424 attached
) = 13424
[pid 13421] tkill(13424, SIGSTOP)       = 0
[pid 13424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13421, si_uid=65534} ---
[pid 13421] exit_group(0 <unfinished ...>
[pid 13424] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13421] <... exit_group resumed>)   = ?
[pid 13421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13425 attached
, child_tidptr=0x5555574e8650) = 13425
[pid 13425] set_robust_list(0x5555574e8660, 24) = 0
[pid 13425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13425] setpgid(0, 0)               = 0
[pid 13425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13425] write(3, "1000", 4)         = 4
[pid 13425] close(3)                    = 0
[pid 13425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.050437][T13421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13425] close(5)                    = 0
[pid 13425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13428 attached
) = 13428
[pid 13425] tkill(13428, SIGSTOP)       = 0
[pid 13428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13425, si_uid=65534} ---
[pid 13425] exit_group(0 <unfinished ...>
[pid 13428] --- stopped by SIGSTOP ---
[pid 13425] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13425, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13429 attached
, child_tidptr=0x5555574e8650) = 13429
[pid 13429] set_robust_list(0x5555574e8660, 24) = 0
[pid 13429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13429] setpgid(0, 0)               = 0
[pid 13429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13429] write(3, "1000", 4)         = 4
[pid 13429] close(3)                    = 0
[pid 13429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.105239][T13425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13429] close(5)                    = 0
[pid 13429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13432 attached
) = 13432
[pid 13429] tkill(13432, SIGSTOP)       = 0
[pid 13432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13429, si_uid=65534} ---
[pid 13429] exit_group(0 <unfinished ...>
[pid 13432] --- stopped by SIGSTOP ---
[pid 13429] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13433 attached
, child_tidptr=0x5555574e8650) = 13433
[pid 13433] set_robust_list(0x5555574e8660, 24) = 0
[pid 13433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13433] setpgid(0, 0)               = 0
[pid 13433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13433] write(3, "1000", 4)         = 4
[pid 13433] close(3)                    = 0
[pid 13433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.156858][T13429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13433] close(5)                    = 0
[pid 13433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13436 attached
) = 13436
[pid 13433] tkill(13436, SIGSTOP)       = 0
[pid 13436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13433, si_uid=65534} ---
[pid 13436] --- stopped by SIGSTOP ---
[pid 13433] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13433] <... exit_group resumed>)   = ?
[pid 13433] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13437 attached
, child_tidptr=0x5555574e8650) = 13437
[pid 13437] set_robust_list(0x5555574e8660, 24) = 0
[pid 13437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13437] setpgid(0, 0)               = 0
[pid 13437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13437] write(3, "1000", 4)         = 4
[pid 13437] close(3)                    = 0
[pid 13437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.207231][T13433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13437] close(5)                    = 0
[pid 13437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13440 attached
) = 13440
[pid 13437] tkill(13440, SIGSTOP)       = 0
[pid 13440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13437, si_uid=65534} ---
[pid 13437] exit_group(0 <unfinished ...>
[pid 13440] --- stopped by SIGSTOP ---
[pid 13437] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13441 attached
, child_tidptr=0x5555574e8650) = 13441
[pid 13441] set_robust_list(0x5555574e8660, 24) = 0
[pid 13441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13441] setpgid(0, 0)               = 0
[pid 13441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13441] write(3, "1000", 4)         = 4
[pid 13441] close(3)                    = 0
[pid 13441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.266973][T13437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13441] close(5)                    = 0
[pid 13441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13444 attached
) = 13444
[pid 13441] tkill(13444, SIGSTOP)       = 0
[pid 13444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13441, si_uid=65534} ---
[pid 13441] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13444] --- stopped by SIGSTOP ---
[pid 13441] <... exit_group resumed>)   = ?
[pid 13441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13441, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13445 attached
, child_tidptr=0x5555574e8650) = 13445
[pid 13445] set_robust_list(0x5555574e8660, 24) = 0
[pid 13445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13445] setpgid(0, 0)               = 0
[pid 13445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13445] write(3, "1000", 4)         = 4
[  173.325163][T13441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13445] close(3)                    = 0
[pid 13445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13445] close(5)                    = 0
[pid 13445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13448 attached
) = 13448
[pid 13445] tkill(13448, SIGSTOP)       = 0
[pid 13448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13445, si_uid=65534} ---
[pid 13445] exit_group(0 <unfinished ...>
[pid 13448] --- stopped by SIGSTOP ---
[pid 13445] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13445, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13449 attached
, child_tidptr=0x5555574e8650) = 13449
[pid 13449] set_robust_list(0x5555574e8660, 24) = 0
[pid 13449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13449] setpgid(0, 0)               = 0
[pid 13449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13449] write(3, "1000", 4)         = 4
[pid 13449] close(3)                    = 0
[pid 13449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.394734][T13445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13449] close(5)                    = 0
[pid 13449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13452 attached
) = 13452
[pid 13449] tkill(13452, SIGSTOP)       = 0
[pid 13449] exit_group(0 <unfinished ...>
[pid 13452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13449, si_uid=65534} ---
[pid 13449] <... exit_group resumed>)   = ?
[pid 13452] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13449, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13453 attached
, child_tidptr=0x5555574e8650) = 13453
[pid 13453] set_robust_list(0x5555574e8660, 24) = 0
[pid 13453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13453] setpgid(0, 0)               = 0
[pid 13453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13453] write(3, "1000", 4)         = 4
[pid 13453] close(3)                    = 0
[pid 13453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.455429][T13449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13453] close(5)                    = 0
[pid 13453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13456 attached
) = 13456
[pid 13453] tkill(13456, SIGSTOP)       = 0
[pid 13453] exit_group(0 <unfinished ...>
[pid 13456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13453, si_uid=65534} ---
[pid 13456] --- stopped by SIGSTOP ---
[pid 13453] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13453, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13457 attached
, child_tidptr=0x5555574e8650) = 13457
[pid 13457] set_robust_list(0x5555574e8660, 24) = 0
[pid 13457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13457] setpgid(0, 0)               = 0
[pid 13457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13457] write(3, "1000", 4)         = 4
[pid 13457] close(3)                    = 0
[pid 13457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.517182][T13453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13457] close(5)                    = 0
[pid 13457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13460 attached
) = 13460
[pid 13457] tkill(13460, SIGSTOP)       = 0
[pid 13460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13457, si_uid=65534} ---
[pid 13460] --- stopped by SIGSTOP ---
[pid 13457] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13457] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13461 attached
, child_tidptr=0x5555574e8650) = 13461
[pid 13461] set_robust_list(0x5555574e8660, 24) = 0
[pid 13461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13461] setpgid(0, 0)               = 0
[pid 13461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13461] write(3, "1000", 4)         = 4
[pid 13461] close(3)                    = 0
[pid 13461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.569567][T13457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13461] close(5)                    = 0
[pid 13461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13464 attached
) = 13464
[pid 13461] tkill(13464, SIGSTOP)       = 0
[pid 13464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13461, si_uid=65534} ---
[pid 13461] exit_group(0 <unfinished ...>
[pid 13464] --- stopped by SIGSTOP ---
[pid 13461] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13465 attached
, child_tidptr=0x5555574e8650) = 13465
[pid 13465] set_robust_list(0x5555574e8660, 24) = 0
[pid 13465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13465] setpgid(0, 0)               = 0
[pid 13465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13465] write(3, "1000", 4)         = 4
[pid 13465] close(3)                    = 0
[pid 13465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.617152][T13461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13465] close(5)                    = 0
[pid 13465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13468 attached
) = 13468
[pid 13465] tkill(13468, SIGSTOP)       = 0
[pid 13468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13465, si_uid=65534} ---
[pid 13465] exit_group(0 <unfinished ...>
[pid 13468] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13465] <... exit_group resumed>)   = ?
[pid 13465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13465, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13469 attached
, child_tidptr=0x5555574e8650) = 13469
[pid 13469] set_robust_list(0x5555574e8660, 24) = 0
[pid 13469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13469] setpgid(0, 0)               = 0
[pid 13469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13469] write(3, "1000", 4)         = 4
[pid 13469] close(3)                    = 0
[pid 13469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.670813][T13465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13469] close(5)                    = 0
[pid 13469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13472 attached
) = 13472
[pid 13469] tkill(13472, SIGSTOP)       = 0
[pid 13472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13469, si_uid=65534} ---
[pid 13469] exit_group(0 <unfinished ...>
[pid 13472] --- stopped by SIGSTOP ---
[pid 13469] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13469] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13473 attached
, child_tidptr=0x5555574e8650) = 13473
[pid 13473] set_robust_list(0x5555574e8660, 24) = 0
[pid 13473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13473] setpgid(0, 0)               = 0
[pid 13473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13473] write(3, "1000", 4)         = 4
[pid 13473] close(3)                    = 0
[pid 13473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.720154][T13469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13473] close(5)                    = 0
[pid 13473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13476 attached
) = 13476
[pid 13473] tkill(13476, SIGSTOP)       = 0
[pid 13476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13473, si_uid=65534} ---
[pid 13473] exit_group(0 <unfinished ...>
[pid 13476] --- stopped by SIGSTOP ---
[pid 13473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13473] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13477 attached
, child_tidptr=0x5555574e8650) = 13477
[pid 13477] set_robust_list(0x5555574e8660, 24) = 0
[pid 13477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13477] setpgid(0, 0)               = 0
[pid 13477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13477] write(3, "1000", 4)         = 4
[pid 13477] close(3)                    = 0
[pid 13477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.768582][T13473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13477] close(5)                    = 0
[pid 13477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13480 attached
) = 13480
[pid 13477] tkill(13480, SIGSTOP)       = 0
[pid 13480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13477, si_uid=65534} ---
[pid 13477] exit_group(0 <unfinished ...>
[pid 13480] --- stopped by SIGSTOP ---
[pid 13477] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13481 attached
, child_tidptr=0x5555574e8650) = 13481
[pid 13481] set_robust_list(0x5555574e8660, 24) = 0
[pid 13481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13481] setpgid(0, 0)               = 0
[pid 13481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13481] write(3, "1000", 4)         = 4
[pid 13481] close(3)                    = 0
[pid 13481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.817752][T13477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13481] close(5)                    = 0
[pid 13481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13484 attached
) = 13484
[pid 13481] tkill(13484, SIGSTOP)       = 0
[pid 13484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13481, si_uid=65534} ---
[pid 13481] exit_group(0 <unfinished ...>
[pid 13484] --- stopped by SIGSTOP ---
[pid 13481] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13485 attached
, child_tidptr=0x5555574e8650) = 13485
[pid 13485] set_robust_list(0x5555574e8660, 24) = 0
[pid 13485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13485] setpgid(0, 0)               = 0
[pid 13485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13485] write(3, "1000", 4)         = 4
[pid 13485] close(3)                    = 0
[pid 13485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.867188][T13481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13485] close(5)                    = 0
[pid 13485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13488 attached
) = 13488
[pid 13485] tkill(13488, SIGSTOP)       = 0
[pid 13488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13485, si_uid=65534} ---
[pid 13485] exit_group(0 <unfinished ...>
[pid 13488] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13485] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13489 attached
, child_tidptr=0x5555574e8650) = 13489
[pid 13489] set_robust_list(0x5555574e8660, 24) = 0
[pid 13489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13489] setpgid(0, 0)               = 0
[pid 13489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13489] write(3, "1000", 4)         = 4
[pid 13489] close(3)                    = 0
[pid 13489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.927447][T13485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13489] close(5)                    = 0
[pid 13489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13492 attached
) = 13492
[pid 13489] tkill(13492, SIGSTOP)       = 0
[pid 13492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13489, si_uid=65534} ---
[pid 13489] exit_group(0 <unfinished ...>
[pid 13492] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13489] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13493 attached
, child_tidptr=0x5555574e8650) = 13493
[pid 13493] set_robust_list(0x5555574e8660, 24) = 0
[pid 13493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13493] setpgid(0, 0)               = 0
[pid 13493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13493] write(3, "1000", 4)         = 4
[pid 13493] close(3)                    = 0
[pid 13493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  173.979542][T13489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13493] close(5)                    = 0
[pid 13493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13496 attached
) = 13496
[pid 13493] tkill(13496, SIGSTOP)       = 0
[pid 13496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13493, si_uid=65534} ---
[pid 13493] exit_group(0 <unfinished ...>
[pid 13496] --- stopped by SIGSTOP ---
[pid 13493] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13497 attached
, child_tidptr=0x5555574e8650) = 13497
[pid 13497] set_robust_list(0x5555574e8660, 24) = 0
[pid 13497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13497] setpgid(0, 0)               = 0
[pid 13497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13497] write(3, "1000", 4)         = 4
[pid 13497] close(3)                    = 0
[pid 13497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.028086][T13493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13497] close(5)                    = 0
[pid 13497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13500 attached
) = 13500
[pid 13497] tkill(13500, SIGSTOP)       = 0
[pid 13500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13497, si_uid=65534} ---
[pid 13500] --- stopped by SIGSTOP ---
[pid 13497] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13497] <... exit_group resumed>)   = ?
[pid 13497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13497, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13501 attached
, child_tidptr=0x5555574e8650) = 13501
[pid 13501] set_robust_list(0x5555574e8660, 24) = 0
[pid 13501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13501] setpgid(0, 0)               = 0
[pid 13501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13501] write(3, "1000", 4)         = 4
[pid 13501] close(3)                    = 0
[pid 13501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.078916][T13497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13501] close(5)                    = 0
[pid 13501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13504 attached
) = 13504
[pid 13501] tkill(13504, SIGSTOP)       = 0
[pid 13504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13501, si_uid=65534} ---
[pid 13501] exit_group(0 <unfinished ...>
[pid 13504] --- stopped by SIGSTOP ---
[pid 13501] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13505 attached
, child_tidptr=0x5555574e8650) = 13505
[pid 13505] set_robust_list(0x5555574e8660, 24) = 0
[pid 13505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13505] setpgid(0, 0)               = 0
[pid 13505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13505] write(3, "1000", 4)         = 4
[pid 13505] close(3)                    = 0
[pid 13505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.139316][T13501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13505] close(5)                    = 0
[pid 13505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13508 attached
) = 13508
[pid 13505] tkill(13508, SIGSTOP)       = 0
[pid 13508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13505, si_uid=65534} ---
[pid 13505] exit_group(0 <unfinished ...>
[pid 13508] --- stopped by SIGSTOP ---
[pid 13505] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13509 attached
, child_tidptr=0x5555574e8650) = 13509
[pid 13509] set_robust_list(0x5555574e8660, 24) = 0
[pid 13509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13509] setpgid(0, 0)               = 0
[pid 13509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13509] write(3, "1000", 4)         = 4
[pid 13509] close(3)                    = 0
[pid 13509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.199323][T13505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13509] close(5)                    = 0
[pid 13509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13512 attached
) = 13512
[pid 13509] tkill(13512, SIGSTOP)       = 0
[pid 13512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13509, si_uid=65534} ---
[pid 13509] exit_group(0 <unfinished ...>
[pid 13512] --- stopped by SIGSTOP ---
[pid 13509] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13509] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13513 attached
, child_tidptr=0x5555574e8650) = 13513
[pid 13513] set_robust_list(0x5555574e8660, 24) = 0
[pid 13513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13513] setpgid(0, 0)               = 0
[pid 13513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13513] write(3, "1000", 4)         = 4
[pid 13513] close(3)                    = 0
[pid 13513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.247957][T13509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13513] close(5)                    = 0
[pid 13513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13516 attached
) = 13516
[pid 13513] tkill(13516, SIGSTOP)       = 0
[pid 13516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13513, si_uid=65534} ---
[pid 13513] exit_group(0 <unfinished ...>
[pid 13516] --- stopped by SIGSTOP ---
[pid 13513] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13517 attached
, child_tidptr=0x5555574e8650) = 13517
[pid 13517] set_robust_list(0x5555574e8660, 24) = 0
[pid 13517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13517] setpgid(0, 0)               = 0
[pid 13517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13517] write(3, "1000", 4)         = 4
[  174.296323][T13513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13517] close(3)                    = 0
[pid 13517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13517] close(5)                    = 0
[pid 13517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13520 attached
) = 13520
[pid 13517] tkill(13520, SIGSTOP)       = 0
[pid 13520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13517, si_uid=65534} ---
[pid 13517] exit_group(0 <unfinished ...>
[pid 13520] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13517] <... exit_group resumed>)   = ?
[pid 13517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13521 attached
, child_tidptr=0x5555574e8650) = 13521
[pid 13521] set_robust_list(0x5555574e8660, 24) = 0
[pid 13521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13521] setpgid(0, 0)               = 0
[pid 13521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13521] write(3, "1000", 4)         = 4
[pid 13521] close(3)                    = 0
[pid 13521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.366687][T13517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13521] close(5)                    = 0
[pid 13521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13524 attached
) = 13524
[pid 13521] tkill(13524, SIGSTOP)       = 0
[pid 13524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13521, si_uid=65534} ---
[pid 13521] exit_group(0 <unfinished ...>
[pid 13524] --- stopped by SIGSTOP ---
[pid 13521] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13521, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13525 attached
, child_tidptr=0x5555574e8650) = 13525
[pid 13525] set_robust_list(0x5555574e8660, 24) = 0
[pid 13525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13525] setpgid(0, 0)               = 0
[pid 13525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13525] write(3, "1000", 4)         = 4
[pid 13525] close(3)                    = 0
[pid 13525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.430162][T13521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13525] close(5)                    = 0
[pid 13525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13528 attached
) = 13528
[pid 13525] tkill(13528, SIGSTOP)       = 0
[pid 13525] exit_group(0 <unfinished ...>
[pid 13528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13525, si_uid=65534} ---
[pid 13528] --- stopped by SIGSTOP ---
[pid 13525] <... exit_group resumed>)   = ?
[pid 13525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13529 attached
, child_tidptr=0x5555574e8650) = 13529
[pid 13529] set_robust_list(0x5555574e8660, 24) = 0
[pid 13529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13529] setpgid(0, 0)               = 0
[pid 13529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13529] write(3, "1000", 4)         = 4
[pid 13529] close(3)                    = 0
[pid 13529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.481738][T13525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13529] close(5)                    = 0
[pid 13529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13532 attached
) = 13532
[pid 13529] tkill(13532, SIGSTOP)       = 0
[pid 13529] exit_group(0 <unfinished ...>
[pid 13532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13529, si_uid=65534} ---
[pid 13529] <... exit_group resumed>)   = ?
[pid 13532] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13529, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13533 attached
, child_tidptr=0x5555574e8650) = 13533
[pid 13533] set_robust_list(0x5555574e8660, 24) = 0
[pid 13533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13533] setpgid(0, 0)               = 0
[pid 13533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13533] write(3, "1000", 4)         = 4
[pid 13533] close(3)                    = 0
[pid 13533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.532594][T13529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13533] close(5)                    = 0
[pid 13533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13536 attached
) = 13536
[pid 13533] tkill(13536, SIGSTOP)       = 0
[pid 13536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13533, si_uid=65534} ---
[pid 13533] exit_group(0 <unfinished ...>
[pid 13536] --- stopped by SIGSTOP ---
[pid 13533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13537 attached
, child_tidptr=0x5555574e8650) = 13537
[pid 13537] set_robust_list(0x5555574e8660, 24) = 0
[pid 13537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13537] setpgid(0, 0)               = 0
[pid 13537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13537] write(3, "1000", 4)         = 4
[pid 13537] close(3)                    = 0
[pid 13537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.583579][T13533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13537] close(5)                    = 0
[pid 13537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13540 attached
) = 13540
[pid 13537] tkill(13540, SIGSTOP)       = 0
[pid 13537] exit_group(0 <unfinished ...>
[pid 13540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13537, si_uid=65534} ---
[pid 13537] <... exit_group resumed>)   = ?
[pid 13540] --- stopped by SIGSTOP ---
[pid 13537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13541 attached
, child_tidptr=0x5555574e8650) = 13541
[pid 13541] set_robust_list(0x5555574e8660, 24) = 0
[pid 13541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13541] setpgid(0, 0)               = 0
[pid 13541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13541] write(3, "1000", 4)         = 4
[pid 13541] close(3)                    = 0
[pid 13541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.634986][T13537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13541] close(5)                    = 0
[pid 13541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13544 attached
) = 13544
[pid 13541] tkill(13544, SIGSTOP)       = 0
[pid 13541] exit_group(0 <unfinished ...>
[pid 13544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13541, si_uid=65534} ---
[pid 13541] <... exit_group resumed>)   = ?
[pid 13544] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13541, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13545 attached
, child_tidptr=0x5555574e8650) = 13545
[pid 13545] set_robust_list(0x5555574e8660, 24) = 0
[pid 13545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13545] setpgid(0, 0)               = 0
[pid 13545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13545] write(3, "1000", 4)         = 4
[pid 13545] close(3)                    = 0
[pid 13545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.683735][T13541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13545] close(5)                    = 0
[pid 13545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13548 attached
) = 13548
[pid 13545] tkill(13548, SIGSTOP)       = 0
[pid 13548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13545, si_uid=65534} ---
[pid 13545] exit_group(0 <unfinished ...>
[pid 13548] --- stopped by SIGSTOP ---
[pid 13545] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13549 attached
, child_tidptr=0x5555574e8650) = 13549
[pid 13549] set_robust_list(0x5555574e8660, 24) = 0
[pid 13549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13549] setpgid(0, 0)               = 0
[pid 13549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13549] write(3, "1000", 4)         = 4
[pid 13549] close(3)                    = 0
[pid 13549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.730862][T13545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13549] close(5)                    = 0
[pid 13549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13552 attached
) = 13552
[pid 13549] tkill(13552, SIGSTOP)       = 0
[pid 13549] exit_group(0 <unfinished ...>
[pid 13552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13549, si_uid=65534} ---
[pid 13549] <... exit_group resumed>)   = ?
[pid 13552] --- stopped by SIGSTOP ---
[pid 13549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13553 attached
, child_tidptr=0x5555574e8650) = 13553
[pid 13553] set_robust_list(0x5555574e8660, 24) = 0
[pid 13553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13553] setpgid(0, 0)               = 0
[pid 13553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13553] write(3, "1000", 4)         = 4
[pid 13553] close(3)                    = 0
[pid 13553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.781714][T13549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13553] close(5)                    = 0
[pid 13553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13556 attached
) = 13556
[pid 13553] tkill(13556, SIGSTOP)       = 0
[pid 13556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13553, si_uid=65534} ---
[pid 13553] exit_group(0 <unfinished ...>
[pid 13556] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13553] <... exit_group resumed>)   = ?
[pid 13553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13557 attached
, child_tidptr=0x5555574e8650) = 13557
[pid 13557] set_robust_list(0x5555574e8660, 24) = 0
[pid 13557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13557] setpgid(0, 0)               = 0
[pid 13557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13557] write(3, "1000", 4)         = 4
[pid 13557] close(3)                    = 0
[pid 13557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.833912][T13553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13557] close(5)                    = 0
[pid 13557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13560 attached
) = 13560
[pid 13557] tkill(13560, SIGSTOP)       = 0
[pid 13560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13557, si_uid=65534} ---
[pid 13557] exit_group(0 <unfinished ...>
[pid 13560] --- stopped by SIGSTOP ---
[pid 13557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13557] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13561 attached
, child_tidptr=0x5555574e8650) = 13561
[pid 13561] set_robust_list(0x5555574e8660, 24) = 0
[pid 13561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13561] setpgid(0, 0)               = 0
[pid 13561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13561] write(3, "1000", 4)         = 4
[pid 13561] close(3)                    = 0
[pid 13561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.884434][T13557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13561] close(5)                    = 0
[pid 13561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13564 attached
) = 13564
[pid 13561] tkill(13564, SIGSTOP)       = 0
[pid 13564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13561, si_uid=65534} ---
[pid 13561] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13564] --- stopped by SIGSTOP ---
[pid 13561] <... exit_group resumed>)   = ?
[pid 13561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13565 attached
, child_tidptr=0x5555574e8650) = 13565
[pid 13565] set_robust_list(0x5555574e8660, 24) = 0
[pid 13565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13565] setpgid(0, 0)               = 0
[pid 13565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13565] write(3, "1000", 4)         = 4
[pid 13565] close(3)                    = 0
[pid 13565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.933866][T13561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13565] close(5)                    = 0
[pid 13565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13568 attached
) = 13568
[pid 13565] tkill(13568, SIGSTOP)       = 0
[pid 13568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13565, si_uid=65534} ---
[pid 13565] exit_group(0 <unfinished ...>
[pid 13568] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13565] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13565] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13569 attached
, child_tidptr=0x5555574e8650) = 13569
[pid 13569] set_robust_list(0x5555574e8660, 24) = 0
[pid 13569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13569] setpgid(0, 0)               = 0
[pid 13569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13569] write(3, "1000", 4)         = 4
[pid 13569] close(3)                    = 0
[pid 13569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  174.978884][T13565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13569] close(5)                    = 0
[pid 13569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13572 attached
) = 13572
[pid 13569] tkill(13572, SIGSTOP)       = 0
[pid 13572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13569, si_uid=65534} ---
[pid 13569] exit_group(0 <unfinished ...>
[pid 13572] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13569] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13569, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13573 attached
, child_tidptr=0x5555574e8650) = 13573
[pid 13573] set_robust_list(0x5555574e8660, 24) = 0
[pid 13573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13573] setpgid(0, 0)               = 0
[pid 13573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13573] write(3, "1000", 4)         = 4
[pid 13573] close(3)                    = 0
[pid 13573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.025459][T13569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13573] close(5)                    = 0
[pid 13573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13576 attached
) = 13576
[pid 13573] tkill(13576, SIGSTOP)       = 0
[pid 13576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13573, si_uid=65534} ---
[pid 13573] exit_group(0 <unfinished ...>
[pid 13576] --- stopped by SIGSTOP ---
[pid 13573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13573] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13573, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13577 attached
, child_tidptr=0x5555574e8650) = 13577
[pid 13577] set_robust_list(0x5555574e8660, 24) = 0
[pid 13577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13577] setpgid(0, 0)               = 0
[pid 13577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13577] write(3, "1000", 4)         = 4
[pid 13577] close(3)                    = 0
[pid 13577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.075730][T13573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13577] close(5)                    = 0
[pid 13577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13580 attached
) = 13580
[pid 13577] tkill(13580, SIGSTOP)       = 0
[pid 13580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13577, si_uid=65534} ---
[pid 13577] exit_group(0 <unfinished ...>
[pid 13580] --- stopped by SIGSTOP ---
[pid 13577] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13581 attached
, child_tidptr=0x5555574e8650) = 13581
[pid 13581] set_robust_list(0x5555574e8660, 24) = 0
[pid 13581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13581] setpgid(0, 0)               = 0
[pid 13581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13581] write(3, "1000", 4)         = 4
[pid 13581] close(3)                    = 0
[pid 13581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.120594][T13577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13581] close(5)                    = 0
[pid 13581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13584 attached
) = 13584
[pid 13581] tkill(13584, SIGSTOP)       = 0
[pid 13584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13581, si_uid=65534} ---
[pid 13581] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13584] --- stopped by SIGSTOP ---
[pid 13581] <... exit_group resumed>)   = ?
[pid 13581] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13581, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13585 attached
, child_tidptr=0x5555574e8650) = 13585
[pid 13585] set_robust_list(0x5555574e8660, 24) = 0
[pid 13585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13585] setpgid(0, 0)               = 0
[pid 13585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13585] write(3, "1000", 4)         = 4
[pid 13585] close(3)                    = 0
[pid 13585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.170175][T13581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13585] close(5)                    = 0
[pid 13585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13588 attached
) = 13588
[pid 13585] tkill(13588, SIGSTOP)       = 0
[pid 13588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13585, si_uid=65534} ---
[pid 13585] exit_group(0 <unfinished ...>
[pid 13588] --- stopped by SIGSTOP ---
[pid 13585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13589 attached
, child_tidptr=0x5555574e8650) = 13589
[pid 13589] set_robust_list(0x5555574e8660, 24) = 0
[pid 13589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13589] setpgid(0, 0)               = 0
[pid 13589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13589] write(3, "1000", 4)         = 4
[pid 13589] close(3)                    = 0
[pid 13589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.216593][T13585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13589] close(5)                    = 0
[pid 13589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13592 attached
) = 13592
[pid 13589] tkill(13592, SIGSTOP)       = 0
[pid 13592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13589, si_uid=65534} ---
[pid 13589] exit_group(0 <unfinished ...>
[pid 13592] --- stopped by SIGSTOP ---
[pid 13589] <... exit_group resumed>)   = ?
[pid 13589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13593 attached
, child_tidptr=0x5555574e8650) = 13593
[pid 13593] set_robust_list(0x5555574e8660, 24) = 0
[pid 13593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13593] setpgid(0, 0)               = 0
[pid 13593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13593] write(3, "1000", 4)         = 4
[pid 13593] close(3)                    = 0
[pid 13593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  175.266638][T13589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13593] close(5)                    = 0
[pid 13593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13596 attached
) = 13596
[pid 13593] tkill(13596, SIGSTOP)       = 0
[pid 13593] exit_group(0 <unfinished ...>
[pid 13596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13593, si_uid=65534} ---
[pid 13593] <... exit_group resumed>)   = ?
[pid 13596] --- stopped by SIGSTOP ---
[pid 13593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13597 attached
, child_tidptr=0x5555574e8650) = 13597
[pid 13597] set_robust_list(0x5555574e8660, 24) = 0
[pid 13597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13597] setpgid(0, 0)               = 0
[pid 13597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13597] write(3, "1000", 4)         = 4
[pid 13597] close(3)                    = 0
[pid 13597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.329600][T13593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13597] close(5)                    = 0
[pid 13597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13600 attached
) = 13600
[pid 13597] tkill(13600, SIGSTOP)       = 0
[pid 13600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13597, si_uid=65534} ---
[pid 13600] --- stopped by SIGSTOP ---
[pid 13597] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13597] <... exit_group resumed>)   = ?
[pid 13597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13601 attached
, child_tidptr=0x5555574e8650) = 13601
[pid 13601] set_robust_list(0x5555574e8660, 24) = 0
[pid 13601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13601] setpgid(0, 0)               = 0
[pid 13601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13601] write(3, "1000", 4)         = 4
[pid 13601] close(3)                    = 0
[pid 13601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.379564][T13597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13601] close(5)                    = 0
[pid 13601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13604 attached
) = 13604
[pid 13601] tkill(13604, SIGSTOP)       = 0
[pid 13604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13601, si_uid=65534} ---
[pid 13601] exit_group(0 <unfinished ...>
[pid 13604] --- stopped by SIGSTOP ---
[pid 13601] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13605 attached
, child_tidptr=0x5555574e8650) = 13605
[pid 13605] set_robust_list(0x5555574e8660, 24) = 0
[pid 13605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13605] setpgid(0, 0)               = 0
[pid 13605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13605] write(3, "1000", 4)         = 4
[pid 13605] close(3)                    = 0
[pid 13605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.427472][T13601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13605] close(5)                    = 0
[pid 13605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13608 attached
) = 13608
[pid 13605] tkill(13608, SIGSTOP)       = 0
[pid 13608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13605, si_uid=65534} ---
[pid 13605] exit_group(0 <unfinished ...>
[pid 13608] --- stopped by SIGSTOP ---
[pid 13605] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13605, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13609 attached
, child_tidptr=0x5555574e8650) = 13609
[pid 13609] set_robust_list(0x5555574e8660, 24) = 0
[pid 13609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13609] setpgid(0, 0)               = 0
[pid 13609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13609] write(3, "1000", 4)         = 4
[pid 13609] close(3)                    = 0
[pid 13609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.478443][T13605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13609] close(5)                    = 0
[pid 13609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13612 attached
) = 13612
[pid 13609] tkill(13612, SIGSTOP)       = 0
[pid 13609] exit_group(0 <unfinished ...>
[pid 13612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13609, si_uid=65534} ---
[pid 13609] <... exit_group resumed>)   = ?
[pid 13612] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13613 attached
, child_tidptr=0x5555574e8650) = 13613
[pid 13613] set_robust_list(0x5555574e8660, 24) = 0
[pid 13613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13613] setpgid(0, 0)               = 0
[pid 13613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13613] write(3, "1000", 4)         = 4
[pid 13613] close(3)                    = 0
[pid 13613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.529216][T13609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13613] close(5)                    = 0
[pid 13613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13616 attached
) = 13616
[pid 13613] tkill(13616, SIGSTOP)       = 0
[pid 13616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13613, si_uid=65534} ---
[pid 13613] exit_group(0 <unfinished ...>
[pid 13616] --- stopped by SIGSTOP ---
[pid 13613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13617 attached
, child_tidptr=0x5555574e8650) = 13617
[pid 13617] set_robust_list(0x5555574e8660, 24) = 0
[pid 13617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13617] setpgid(0, 0)               = 0
[pid 13617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13617] write(3, "1000", 4)         = 4
[pid 13617] close(3)                    = 0
[pid 13617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.585732][T13613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13617] close(5)                    = 0
[pid 13617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13620 attached
) = 13620
[pid 13617] tkill(13620, SIGSTOP)       = 0
[pid 13620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13617, si_uid=65534} ---
[pid 13620] --- stopped by SIGSTOP ---
[pid 13617] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13621 attached
, child_tidptr=0x5555574e8650) = 13621
[pid 13621] set_robust_list(0x5555574e8660, 24) = 0
[pid 13621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13621] setpgid(0, 0)               = 0
[pid 13621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13621] write(3, "1000", 4)         = 4
[pid 13621] close(3)                    = 0
[pid 13621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.636161][T13617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13621] close(5)                    = 0
[pid 13621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13624 attached
) = 13624
[pid 13621] tkill(13624, SIGSTOP)       = 0
[pid 13624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13621, si_uid=65534} ---
[pid 13621] exit_group(0 <unfinished ...>
[pid 13624] --- stopped by SIGSTOP ---
[pid 13621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13621, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13625 attached
, child_tidptr=0x5555574e8650) = 13625
[pid 13625] set_robust_list(0x5555574e8660, 24) = 0
[pid 13625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13625] setpgid(0, 0)               = 0
[pid 13625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13625] write(3, "1000", 4)         = 4
[pid 13625] close(3)                    = 0
[pid 13625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.684864][T13621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13625] close(5)                    = 0
[pid 13625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13628 attached
) = 13628
[pid 13625] tkill(13628, SIGSTOP)       = 0
[pid 13625] exit_group(0 <unfinished ...>
[pid 13628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13625, si_uid=65534} ---
[pid 13625] <... exit_group resumed>)   = ?
[pid 13628] --- stopped by SIGSTOP ---
[pid 13625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13629 attached
, child_tidptr=0x5555574e8650) = 13629
[pid 13629] set_robust_list(0x5555574e8660, 24) = 0
[pid 13629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13629] setpgid(0, 0)               = 0
[pid 13629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13629] write(3, "1000", 4)         = 4
[pid 13629] close(3)                    = 0
[pid 13629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.734668][T13625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13629] close(5)                    = 0
[pid 13629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13632 attached
) = 13632
[pid 13629] tkill(13632, SIGSTOP)       = 0
[pid 13629] exit_group(0 <unfinished ...>
[pid 13632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13629, si_uid=65534} ---
[pid 13629] <... exit_group resumed>)   = ?
[pid 13632] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13633 attached
, child_tidptr=0x5555574e8650) = 13633
[pid 13633] set_robust_list(0x5555574e8660, 24) = 0
[pid 13633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13633] setpgid(0, 0)               = 0
[pid 13633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13633] write(3, "1000", 4)         = 4
[pid 13633] close(3)                    = 0
[pid 13633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.793749][T13629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13633] close(5)                    = 0
[pid 13633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13636 attached
) = 13636
[pid 13633] tkill(13636, SIGSTOP)       = 0
[pid 13636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13633, si_uid=65534} ---
[pid 13633] exit_group(0 <unfinished ...>
[pid 13636] --- stopped by SIGSTOP ---
[pid 13633] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13633, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13637 attached
, child_tidptr=0x5555574e8650) = 13637
[pid 13637] set_robust_list(0x5555574e8660, 24) = 0
[pid 13637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13637] setpgid(0, 0)               = 0
[pid 13637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13637] write(3, "1000", 4)         = 4
[pid 13637] close(3)                    = 0
[pid 13637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.842318][T13633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13637] close(5)                    = 0
[pid 13637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13640 attached
) = 13640
[pid 13637] tkill(13640, SIGSTOP)       = 0
[pid 13640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13637, si_uid=65534} ---
[pid 13637] exit_group(0 <unfinished ...>
[pid 13640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13637] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13637, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13641 attached
, child_tidptr=0x5555574e8650) = 13641
[pid 13641] set_robust_list(0x5555574e8660, 24) = 0
[pid 13641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13641] setpgid(0, 0)               = 0
[pid 13641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13641] write(3, "1000", 4)         = 4
[pid 13641] close(3)                    = 0
[pid 13641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.892847][T13637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13641] close(5)                    = 0
[pid 13641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13644 attached
) = 13644
[pid 13641] tkill(13644, SIGSTOP)       = 0
[pid 13644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13641, si_uid=65534} ---
[pid 13641] exit_group(0 <unfinished ...>
[pid 13644] --- stopped by SIGSTOP ---
[pid 13641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13641] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13645 attached
, child_tidptr=0x5555574e8650) = 13645
[pid 13645] set_robust_list(0x5555574e8660, 24) = 0
[pid 13645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13645] setpgid(0, 0)               = 0
[pid 13645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13645] write(3, "1000", 4)         = 4
[pid 13645] close(3)                    = 0
[pid 13645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.941936][T13641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13645] close(5)                    = 0
[pid 13645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13648 attached
) = 13648
[pid 13645] tkill(13648, SIGSTOP)       = 0
[pid 13648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13645, si_uid=65534} ---
[pid 13648] --- stopped by SIGSTOP ---
[pid 13645] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13649 attached
, child_tidptr=0x5555574e8650) = 13649
[pid 13649] set_robust_list(0x5555574e8660, 24) = 0
[pid 13649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13649] setpgid(0, 0)               = 0
[pid 13649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13649] write(3, "1000", 4)         = 4
[pid 13649] close(3)                    = 0
[pid 13649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  175.991017][T13645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13649] close(5)                    = 0
[pid 13649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13652 attached
) = 13652
[pid 13649] tkill(13652, SIGSTOP)       = 0
[pid 13652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13649, si_uid=65534} ---
[pid 13649] exit_group(0 <unfinished ...>
[pid 13652] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13649] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13649, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13653 attached
, child_tidptr=0x5555574e8650) = 13653
[pid 13653] set_robust_list(0x5555574e8660, 24) = 0
[pid 13653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13653] setpgid(0, 0)               = 0
[pid 13653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13653] write(3, "1000", 4)         = 4
[pid 13653] close(3)                    = 0
[pid 13653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.045657][T13649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13653] close(5)                    = 0
[pid 13653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13656 attached
) = 13656
[pid 13653] tkill(13656, SIGSTOP)       = 0
[pid 13656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13653, si_uid=65534} ---
[pid 13653] exit_group(0 <unfinished ...>
[pid 13656] --- stopped by SIGSTOP ---
[pid 13653] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13657 attached
, child_tidptr=0x5555574e8650) = 13657
[pid 13657] set_robust_list(0x5555574e8660, 24) = 0
[pid 13657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13657] setpgid(0, 0)               = 0
[pid 13657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13657] write(3, "1000", 4)         = 4
[pid 13657] close(3)                    = 0
[pid 13657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.095244][T13653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13657] close(5)                    = 0
[pid 13657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13660 attached
) = 13660
[pid 13657] tkill(13660, SIGSTOP)       = 0
[pid 13657] exit_group(0 <unfinished ...>
[pid 13660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13657, si_uid=65534} ---
[pid 13660] --- stopped by SIGSTOP ---
[pid 13657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13661 attached
, child_tidptr=0x5555574e8650) = 13661
[pid 13661] set_robust_list(0x5555574e8660, 24) = 0
[pid 13661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13661] setpgid(0, 0)               = 0
[pid 13661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13661] write(3, "1000", 4)         = 4
[pid 13661] close(3)                    = 0
[pid 13661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.146579][T13657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13661] close(5)                    = 0
[pid 13661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13664 attached
) = 13664
[pid 13661] tkill(13664, SIGSTOP)       = 0
[pid 13664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13661, si_uid=65534} ---
[pid 13661] exit_group(0 <unfinished ...>
[pid 13664] --- stopped by SIGSTOP ---
[pid 13661] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13665 attached
, child_tidptr=0x5555574e8650) = 13665
[pid 13665] set_robust_list(0x5555574e8660, 24) = 0
[pid 13665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13665] setpgid(0, 0)               = 0
[pid 13665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13665] write(3, "1000", 4)         = 4
[pid 13665] close(3)                    = 0
[pid 13665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.196817][T13661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13665] close(5)                    = 0
[pid 13665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13668 attached
) = 13668
[pid 13665] tkill(13668, SIGSTOP)       = 0
[pid 13668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13665, si_uid=65534} ---
[pid 13668] --- stopped by SIGSTOP ---
[pid 13665] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13665] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13665, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13669 attached
, child_tidptr=0x5555574e8650) = 13669
[pid 13669] set_robust_list(0x5555574e8660, 24) = 0
[pid 13669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13669] setpgid(0, 0)               = 0
[pid 13669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13669] write(3, "1000", 4)         = 4
[pid 13669] close(3)                    = 0
[pid 13669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.253285][T13665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13669] close(5)                    = 0
[pid 13669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13672 attached
) = 13672
[pid 13669] tkill(13672, SIGSTOP)       = 0
[pid 13672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13669, si_uid=65534} ---
[pid 13669] exit_group(0 <unfinished ...>
[pid 13672] --- stopped by SIGSTOP ---
[pid 13669] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13669] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13669, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13673 attached
, child_tidptr=0x5555574e8650) = 13673
[pid 13673] set_robust_list(0x5555574e8660, 24) = 0
[pid 13673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13673] setpgid(0, 0)               = 0
[pid 13673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13673] write(3, "1000", 4)         = 4
[pid 13673] close(3)                    = 0
[pid 13673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.304774][T13669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13673] close(5)                    = 0
[pid 13673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13676 attached
) = 13676
[pid 13673] tkill(13676, SIGSTOP)       = 0
[pid 13676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13673, si_uid=65534} ---
[pid 13673] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13676] --- stopped by SIGSTOP ---
[pid 13673] <... exit_group resumed>)   = ?
[pid 13673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13677 attached
, child_tidptr=0x5555574e8650) = 13677
[pid 13677] set_robust_list(0x5555574e8660, 24) = 0
[pid 13677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13677] setpgid(0, 0)               = 0
[pid 13677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13677] write(3, "1000", 4)         = 4
[pid 13677] close(3)                    = 0
[pid 13677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.352035][T13673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13677] close(5)                    = 0
[pid 13677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13680 attached
) = 13680
[pid 13677] tkill(13680, SIGSTOP)       = 0
[pid 13680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13677, si_uid=65534} ---
[pid 13677] exit_group(0 <unfinished ...>
[pid 13680] --- stopped by SIGSTOP ---
[pid 13677] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13681 attached
, child_tidptr=0x5555574e8650) = 13681
[pid 13681] set_robust_list(0x5555574e8660, 24) = 0
[pid 13681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13681] setpgid(0, 0)               = 0
[pid 13681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13681] write(3, "1000", 4)         = 4
[pid 13681] close(3)                    = 0
[pid 13681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.403358][T13677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13681] close(5)                    = 0
[pid 13681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13684 attached
) = 13684
[pid 13681] tkill(13684, SIGSTOP)       = 0
[pid 13681] exit_group(0 <unfinished ...>
[pid 13684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13681, si_uid=65534} ---
[pid 13684] --- stopped by SIGSTOP ---
[pid 13681] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13681] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13681, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13685 attached
, child_tidptr=0x5555574e8650) = 13685
[pid 13685] set_robust_list(0x5555574e8660, 24) = 0
[pid 13685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13685] setpgid(0, 0)               = 0
[pid 13685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13685] write(3, "1000", 4)         = 4
[pid 13685] close(3)                    = 0
[pid 13685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.453147][T13681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13685] close(5)                    = 0
[pid 13685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13688 attached
) = 13688
[pid 13685] tkill(13688, SIGSTOP)       = 0
[pid 13688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13685, si_uid=65534} ---
[pid 13685] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13688] --- stopped by SIGSTOP ---
[pid 13685] <... exit_group resumed>)   = ?
[pid 13685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13685, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13689 attached
, child_tidptr=0x5555574e8650) = 13689
[pid 13689] set_robust_list(0x5555574e8660, 24) = 0
[pid 13689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13689] setpgid(0, 0)               = 0
[pid 13689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13689] write(3, "1000", 4)         = 4
[pid 13689] close(3)                    = 0
[pid 13689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.503015][T13685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13689] close(5)                    = 0
[pid 13689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13692 attached
) = 13692
[pid 13689] tkill(13692, SIGSTOP)       = 0
[pid 13689] exit_group(0 <unfinished ...>
[pid 13692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13689, si_uid=65534} ---
[pid 13689] <... exit_group resumed>)   = ?
[pid 13692] --- stopped by SIGSTOP ---
[pid 13689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13693 attached
, child_tidptr=0x5555574e8650) = 13693
[pid 13693] set_robust_list(0x5555574e8660, 24) = 0
[pid 13693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13693] setpgid(0, 0)               = 0
[pid 13693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13693] write(3, "1000", 4)         = 4
[pid 13693] close(3)                    = 0
[pid 13693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.550038][T13689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13693] close(5)                    = 0
[pid 13693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13696 attached
) = 13696
[pid 13693] tkill(13696, SIGSTOP)       = 0
[pid 13693] exit_group(0 <unfinished ...>
[pid 13696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13693, si_uid=65534} ---
[pid 13693] <... exit_group resumed>)   = ?
[pid 13696] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13697 attached
, child_tidptr=0x5555574e8650) = 13697
[pid 13697] set_robust_list(0x5555574e8660, 24) = 0
[pid 13697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13697] setpgid(0, 0)               = 0
[pid 13697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13697] write(3, "1000", 4)         = 4
[pid 13697] close(3)                    = 0
[pid 13697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.598401][T13693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13697] close(5)                    = 0
[pid 13697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13700 attached
) = 13700
[pid 13697] tkill(13700, SIGSTOP)       = 0
[pid 13700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13697, si_uid=65534} ---
[pid 13697] exit_group(0 <unfinished ...>
[pid 13700] --- stopped by SIGSTOP ---
[pid 13697] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13697, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13701 attached
, child_tidptr=0x5555574e8650) = 13701
[pid 13701] set_robust_list(0x5555574e8660, 24) = 0
[pid 13701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13701] setpgid(0, 0)               = 0
[pid 13701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13701] write(3, "1000", 4)         = 4
[  176.658681][T13697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13701] close(3)                    = 0
[pid 13701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13701] close(5)                    = 0
[pid 13701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13704 attached
) = 13704
[pid 13701] tkill(13704, SIGSTOP)       = 0
[pid 13701] exit_group(0 <unfinished ...>
[pid 13704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13701, si_uid=65534} ---
[pid 13701] <... exit_group resumed>)   = ?
[pid 13704] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13705 attached
, child_tidptr=0x5555574e8650) = 13705
[pid 13705] set_robust_list(0x5555574e8660, 24) = 0
[pid 13705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13705] setpgid(0, 0)               = 0
[pid 13705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13705] write(3, "1000", 4)         = 4
[pid 13705] close(3)                    = 0
[pid 13705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.728254][T13701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13705] close(5)                    = 0
[pid 13705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13708 attached
) = 13708
[pid 13705] tkill(13708, SIGSTOP)       = 0
[pid 13708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13705, si_uid=65534} ---
[pid 13705] exit_group(0 <unfinished ...>
[pid 13708] --- stopped by SIGSTOP ---
[pid 13705] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13705, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13709 attached
, child_tidptr=0x5555574e8650) = 13709
[pid 13709] set_robust_list(0x5555574e8660, 24) = 0
[pid 13709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13709] setpgid(0, 0)               = 0
[pid 13709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13709] write(3, "1000", 4)         = 4
[pid 13709] close(3)                    = 0
[pid 13709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.774149][T13705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13709] close(5)                    = 0
[pid 13709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13712 attached
) = 13712
[pid 13709] tkill(13712, SIGSTOP)       = 0
[pid 13712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13709, si_uid=65534} ---
[pid 13709] exit_group(0 <unfinished ...>
[pid 13712] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13709] <... exit_group resumed>)   = ?
[pid 13709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13713 attached
, child_tidptr=0x5555574e8650) = 13713
[pid 13713] set_robust_list(0x5555574e8660, 24) = 0
[pid 13713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13713] setpgid(0, 0)               = 0
[pid 13713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13713] write(3, "1000", 4)         = 4
[pid 13713] close(3)                    = 0
[pid 13713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.832149][T13709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13713] close(5)                    = 0
[pid 13713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13716 attached
) = 13716
[pid 13713] tkill(13716, SIGSTOP)       = 0
[pid 13716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13713, si_uid=65534} ---
[pid 13713] exit_group(0 <unfinished ...>
[pid 13716] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13713] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13717 attached
, child_tidptr=0x5555574e8650) = 13717
[pid 13717] set_robust_list(0x5555574e8660, 24) = 0
[pid 13717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13717] setpgid(0, 0)               = 0
[pid 13717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13717] write(3, "1000", 4)         = 4
[pid 13717] close(3)                    = 0
[pid 13717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.881670][T13713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13717] close(5)                    = 0
[pid 13717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13720 attached
) = 13720
[pid 13717] tkill(13720, SIGSTOP)       = 0
[pid 13720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13717, si_uid=65534} ---
[pid 13717] exit_group(0 <unfinished ...>
[pid 13720] --- stopped by SIGSTOP ---
[pid 13717] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13721 attached
, child_tidptr=0x5555574e8650) = 13721
[pid 13721] set_robust_list(0x5555574e8660, 24) = 0
[pid 13721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13721] setpgid(0, 0)               = 0
[pid 13721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13721] write(3, "1000", 4)         = 4
[pid 13721] close(3)                    = 0
[pid 13721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.929998][T13717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13721] close(5)                    = 0
[pid 13721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13724 attached
) = 13724
[pid 13721] tkill(13724, SIGSTOP)       = 0
[pid 13724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13721, si_uid=65534} ---
[pid 13721] exit_group(0 <unfinished ...>
[pid 13724] --- stopped by SIGSTOP ---
[pid 13721] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13721] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13721, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13725 attached
, child_tidptr=0x5555574e8650) = 13725
[pid 13725] set_robust_list(0x5555574e8660, 24) = 0
[pid 13725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13725] setpgid(0, 0)               = 0
[pid 13725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13725] write(3, "1000", 4)         = 4
[pid 13725] close(3)                    = 0
[pid 13725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  176.985092][T13721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13725] close(5)                    = 0
[pid 13725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13728 attached
) = 13728
[pid 13725] tkill(13728, SIGSTOP)       = 0
[pid 13725] exit_group(0)               = ?
[pid 13728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13725, si_uid=65534} ---
[pid 13725] +++ exited with 0 +++
[pid 13728] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13729 attached
, child_tidptr=0x5555574e8650) = 13729
[pid 13729] set_robust_list(0x5555574e8660, 24) = 0
[pid 13729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13729] setpgid(0, 0)               = 0
[pid 13729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13729] write(3, "1000", 4)         = 4
[pid 13729] close(3)                    = 0
[pid 13729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.033770][T13725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13729] close(5)                    = 0
[pid 13729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13732 attached
) = 13732
[pid 13729] tkill(13732, SIGSTOP)       = 0
[pid 13732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13729, si_uid=65534} ---
[pid 13729] exit_group(0)               = ?
[pid 13732] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13729] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13733 attached
, child_tidptr=0x5555574e8650) = 13733
[pid 13733] set_robust_list(0x5555574e8660, 24) = 0
[pid 13733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13733] setpgid(0, 0)               = 0
[pid 13733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13733] write(3, "1000", 4)         = 4
[pid 13733] close(3)                    = 0
[pid 13733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.078771][T13729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13733] close(5)                    = 0
[pid 13733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13736 attached
) = 13736
[pid 13733] tkill(13736, SIGSTOP)       = 0
[pid 13736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13733, si_uid=65534} ---
[pid 13736] --- stopped by SIGSTOP ---
[pid 13733] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13733] <... exit_group resumed>)   = ?
[pid 13733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13737 attached
, child_tidptr=0x5555574e8650) = 13737
[pid 13737] set_robust_list(0x5555574e8660, 24) = 0
[pid 13737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13737] setpgid(0, 0)               = 0
[pid 13737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13737] write(3, "1000", 4)         = 4
[pid 13737] close(3)                    = 0
[pid 13737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.139271][T13733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13737] close(5)                    = 0
[pid 13737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13740 attached
) = 13740
[pid 13737] tkill(13740, SIGSTOP)       = 0
[pid 13740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13737, si_uid=65534} ---
[pid 13737] exit_group(0 <unfinished ...>
[pid 13740] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13737] <... exit_group resumed>)   = ?
[pid 13737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13741 attached
, child_tidptr=0x5555574e8650) = 13741
[pid 13741] set_robust_list(0x5555574e8660, 24) = 0
[pid 13741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13741] setpgid(0, 0)               = 0
[pid 13741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13741] write(3, "1000", 4)         = 4
[pid 13741] close(3)                    = 0
[pid 13741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.191007][T13737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13741] close(5)                    = 0
[pid 13741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13744 attached
) = 13744
[pid 13741] tkill(13744, SIGSTOP)       = 0
[pid 13744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13741, si_uid=65534} ---
[pid 13741] exit_group(0 <unfinished ...>
[pid 13744] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13741] <... exit_group resumed>)   = ?
[pid 13741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13745 attached
, child_tidptr=0x5555574e8650) = 13745
[pid 13745] set_robust_list(0x5555574e8660, 24) = 0
[pid 13745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13745] setpgid(0, 0)               = 0
[pid 13745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13745] write(3, "1000", 4)         = 4
[pid 13745] close(3)                    = 0
[pid 13745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.241583][T13741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13745] close(5)                    = 0
[pid 13745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13748 attached
) = 13748
[pid 13745] tkill(13748, SIGSTOP)       = 0
[pid 13748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13745, si_uid=65534} ---
[pid 13745] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13748] --- stopped by SIGSTOP ---
[pid 13745] <... exit_group resumed>)   = ?
[pid 13745] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13749 attached
, child_tidptr=0x5555574e8650) = 13749
[pid 13749] set_robust_list(0x5555574e8660, 24) = 0
[pid 13749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13749] setpgid(0, 0)               = 0
[pid 13749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13749] write(3, "1000", 4)         = 4
[pid 13749] close(3)                    = 0
[pid 13749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.294339][T13745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13749] close(5)                    = 0
[pid 13749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13752 attached
) = 13752
[pid 13749] tkill(13752, SIGSTOP)       = 0
[pid 13749] exit_group(0 <unfinished ...>
[pid 13752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13749, si_uid=65534} ---
[pid 13749] <... exit_group resumed>)   = ?
[pid 13752] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13749] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13753 attached
, child_tidptr=0x5555574e8650) = 13753
[pid 13753] set_robust_list(0x5555574e8660, 24) = 0
[pid 13753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13753] setpgid(0, 0)               = 0
[pid 13753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13753] write(3, "1000", 4)         = 4
[pid 13753] close(3)                    = 0
[pid 13753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.342431][T13749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13753] close(5)                    = 0
[pid 13753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13756 attached
) = 13756
[pid 13753] tkill(13756, SIGSTOP)       = 0
[pid 13756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13753, si_uid=65534} ---
[pid 13753] exit_group(0 <unfinished ...>
[pid 13756] --- stopped by SIGSTOP ---
[pid 13753] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13757 attached
, child_tidptr=0x5555574e8650) = 13757
[pid 13757] set_robust_list(0x5555574e8660, 24) = 0
[pid 13757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13757] setpgid(0, 0)               = 0
[pid 13757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13757] write(3, "1000", 4)         = 4
[pid 13757] close(3)                    = 0
[pid 13757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.401927][T13753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13757] close(5)                    = 0
[pid 13757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13760 attached
) = 13760
[pid 13757] tkill(13760, SIGSTOP)       = 0
[pid 13757] exit_group(0 <unfinished ...>
[pid 13760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13757, si_uid=65534} ---
[pid 13757] <... exit_group resumed>)   = ?
[pid 13760] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13761 attached
, child_tidptr=0x5555574e8650) = 13761
[pid 13761] set_robust_list(0x5555574e8660, 24) = 0
[pid 13761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13761] setpgid(0, 0)               = 0
[pid 13761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13761] write(3, "1000", 4)         = 4
[pid 13761] close(3)                    = 0
[pid 13761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.461321][T13757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13761] close(5)                    = 0
[pid 13761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13764 attached
) = 13764
[pid 13761] tkill(13764, SIGSTOP)       = 0
[pid 13764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13761, si_uid=65534} ---
[pid 13761] exit_group(0 <unfinished ...>
[pid 13764] --- stopped by SIGSTOP ---
[pid 13761] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13765 attached
, child_tidptr=0x5555574e8650) = 13765
[pid 13765] set_robust_list(0x5555574e8660, 24) = 0
[pid 13765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13765] setpgid(0, 0)               = 0
[pid 13765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13765] write(3, "1000", 4)         = 4
[pid 13765] close(3)                    = 0
[pid 13765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.518868][T13761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13765] close(5)                    = 0
[pid 13765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13768 attached
) = 13768
[pid 13765] tkill(13768, SIGSTOP)       = 0
[pid 13768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13765, si_uid=65534} ---
[pid 13765] exit_group(0 <unfinished ...>
[pid 13768] --- stopped by SIGSTOP ---
[pid 13765] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13765] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13769 attached
, child_tidptr=0x5555574e8650) = 13769
[pid 13769] set_robust_list(0x5555574e8660, 24) = 0
[pid 13769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13769] setpgid(0, 0)               = 0
[pid 13769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13769] write(3, "1000", 4)         = 4
[pid 13769] close(3)                    = 0
[pid 13769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.568408][T13765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13769] close(5)                    = 0
[pid 13769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13772 attached
) = 13772
[pid 13769] tkill(13772, SIGSTOP)       = 0
[pid 13772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13769, si_uid=65534} ---
[pid 13769] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13772] --- stopped by SIGSTOP ---
[pid 13769] <... exit_group resumed>)   = ?
[pid 13769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13773 attached
, child_tidptr=0x5555574e8650) = 13773
[pid 13773] set_robust_list(0x5555574e8660, 24) = 0
[pid 13773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13773] setpgid(0, 0)               = 0
[pid 13773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13773] write(3, "1000", 4)         = 4
[pid 13773] close(3)                    = 0
[pid 13773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.617511][T13769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13773] close(5)                    = 0
[pid 13773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13776 attached
) = 13776
[pid 13773] tkill(13776, SIGSTOP)       = 0
[pid 13776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13773, si_uid=65534} ---
[pid 13773] exit_group(0 <unfinished ...>
[pid 13776] --- stopped by SIGSTOP ---
[pid 13773] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13773, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13777 attached
, child_tidptr=0x5555574e8650) = 13777
[pid 13777] set_robust_list(0x5555574e8660, 24) = 0
[pid 13777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13777] setpgid(0, 0)               = 0
[pid 13777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13777] write(3, "1000", 4)         = 4
[pid 13777] close(3)                    = 0
[pid 13777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.665460][T13773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13777] close(5)                    = 0
[pid 13777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13780 attached
) = 13780
[pid 13777] tkill(13780, SIGSTOP)       = 0
[pid 13777] exit_group(0 <unfinished ...>
[pid 13780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13777, si_uid=65534} ---
[pid 13777] <... exit_group resumed>)   = ?
[pid 13780] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13777, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13781 attached
, child_tidptr=0x5555574e8650) = 13781
[pid 13781] set_robust_list(0x5555574e8660, 24) = 0
[pid 13781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13781] setpgid(0, 0)               = 0
[pid 13781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13781] write(3, "1000", 4)         = 4
[pid 13781] close(3)                    = 0
[pid 13781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.725065][T13777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13781] close(5)                    = 0
[pid 13781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13784 attached
) = 13784
[pid 13781] tkill(13784, SIGSTOP)       = 0
[pid 13784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13781, si_uid=65534} ---
[pid 13781] exit_group(0 <unfinished ...>
[pid 13784] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13781] <... exit_group resumed>)   = ?
[pid 13781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13785 attached
, child_tidptr=0x5555574e8650) = 13785
[pid 13785] set_robust_list(0x5555574e8660, 24) = 0
[pid 13785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13785] setpgid(0, 0)               = 0
[pid 13785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13785] write(3, "1000", 4)         = 4
[pid 13785] close(3)                    = 0
[pid 13785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.773322][T13781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13785] close(5)                    = 0
[pid 13785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13788 attached
) = 13788
[pid 13785] tkill(13788, SIGSTOP)       = 0
[pid 13785] exit_group(0 <unfinished ...>
[pid 13788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13785, si_uid=65534} ---
[pid 13788] --- stopped by SIGSTOP ---
[pid 13785] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13789 attached
, child_tidptr=0x5555574e8650) = 13789
[pid 13789] set_robust_list(0x5555574e8660, 24) = 0
[pid 13789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13789] setpgid(0, 0)               = 0
[pid 13789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13789] write(3, "1000", 4)         = 4
[pid 13789] close(3)                    = 0
[pid 13789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.826114][T13785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13789] close(5)                    = 0
[pid 13789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13792 attached
) = 13792
[pid 13789] tkill(13792, SIGSTOP)       = 0
[pid 13789] exit_group(0 <unfinished ...>
[pid 13792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13789, si_uid=65534} ---
[pid 13792] --- stopped by SIGSTOP ---
[pid 13789] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13789] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13793 attached
, child_tidptr=0x5555574e8650) = 13793
[pid 13793] set_robust_list(0x5555574e8660, 24) = 0
[pid 13793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13793] setpgid(0, 0)               = 0
[pid 13793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13793] write(3, "1000", 4)         = 4
[pid 13793] close(3)                    = 0
[pid 13793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.876651][T13789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13793] close(5)                    = 0
[pid 13793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13796 attached
) = 13796
[pid 13793] tkill(13796, SIGSTOP)       = 0
[pid 13796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13793, si_uid=65534} ---
[pid 13793] exit_group(0 <unfinished ...>
[pid 13796] --- stopped by SIGSTOP ---
[pid 13793] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13793] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13797 attached
, child_tidptr=0x5555574e8650) = 13797
[pid 13797] set_robust_list(0x5555574e8660, 24) = 0
[pid 13797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13797] setpgid(0, 0)               = 0
[pid 13797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13797] write(3, "1000", 4)         = 4
[pid 13797] close(3)                    = 0
[pid 13797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.929032][T13793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13797] close(5)                    = 0
[pid 13797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13800 attached
) = 13800
[pid 13797] tkill(13800, SIGSTOP)       = 0
[pid 13800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13797, si_uid=65534} ---
[pid 13797] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13800] --- stopped by SIGSTOP ---
[pid 13797] <... exit_group resumed>)   = ?
[pid 13797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13801 attached
, child_tidptr=0x5555574e8650) = 13801
[pid 13801] set_robust_list(0x5555574e8660, 24) = 0
[pid 13801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13801] setpgid(0, 0)               = 0
[pid 13801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13801] write(3, "1000", 4)         = 4
[pid 13801] close(3)                    = 0
[pid 13801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  177.989750][T13797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13801] close(5)                    = 0
[pid 13801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13804 attached
) = 13804
[pid 13801] tkill(13804, SIGSTOP)       = 0
[pid 13804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13801, si_uid=65534} ---
[pid 13801] exit_group(0 <unfinished ...>
[pid 13804] --- stopped by SIGSTOP ---
[pid 13801] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13801, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13805 attached
, child_tidptr=0x5555574e8650) = 13805
[pid 13805] set_robust_list(0x5555574e8660, 24) = 0
[pid 13805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13805] setpgid(0, 0)               = 0
[pid 13805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13805] write(3, "1000", 4)         = 4
[pid 13805] close(3)                    = 0
[pid 13805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.038180][T13801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13805] close(5)                    = 0
[pid 13805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13808 attached
) = 13808
[pid 13805] tkill(13808, SIGSTOP)       = 0
[pid 13805] exit_group(0 <unfinished ...>
[pid 13808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13805, si_uid=65534} ---
[pid 13808] --- stopped by SIGSTOP ---
[pid 13805] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13809 attached
, child_tidptr=0x5555574e8650) = 13809
[pid 13809] set_robust_list(0x5555574e8660, 24) = 0
[pid 13809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13809] setpgid(0, 0)               = 0
[pid 13809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13809] write(3, "1000", 4)         = 4
[pid 13809] close(3)                    = 0
[pid 13809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.089219][T13805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13809] close(5)                    = 0
[pid 13809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13812 attached
) = 13812
[pid 13809] tkill(13812, SIGSTOP)       = 0
[pid 13812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13809, si_uid=65534} ---
[pid 13809] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13812] --- stopped by SIGSTOP ---
[pid 13809] <... exit_group resumed>)   = ?
[pid 13809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13813 attached
, child_tidptr=0x5555574e8650) = 13813
[pid 13813] set_robust_list(0x5555574e8660, 24) = 0
[pid 13813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13813] setpgid(0, 0)               = 0
[pid 13813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13813] write(3, "1000", 4)         = 4
[pid 13813] close(3)                    = 0
[pid 13813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.139927][T13809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13813] close(5)                    = 0
[pid 13813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13816 attached
) = 13816
[pid 13813] tkill(13816, SIGSTOP)       = 0
[pid 13813] exit_group(0)               = ?
[pid 13816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13813, si_uid=65534} ---
[pid 13816] --- stopped by SIGSTOP ---
[pid 13813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13817 attached
, child_tidptr=0x5555574e8650) = 13817
[pid 13817] set_robust_list(0x5555574e8660, 24) = 0
[pid 13817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13817] setpgid(0, 0)               = 0
[pid 13817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13817] write(3, "1000", 4)         = 4
[pid 13817] close(3)                    = 0
[pid 13817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.201997][T13813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13817] close(5)                    = 0
[pid 13817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13820 attached
) = 13820
[pid 13817] tkill(13820, SIGSTOP)       = 0
[pid 13820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13817, si_uid=65534} ---
[pid 13817] exit_group(0 <unfinished ...>
[pid 13820] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13817] <... exit_group resumed>)   = ?
[pid 13817] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13817, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13821 attached
, child_tidptr=0x5555574e8650) = 13821
[pid 13821] set_robust_list(0x5555574e8660, 24) = 0
[pid 13821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13821] setpgid(0, 0)               = 0
[pid 13821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13821] write(3, "1000", 4)         = 4
[pid 13821] close(3)                    = 0
[pid 13821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.250055][T13817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13821] close(5)                    = 0
[pid 13821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13824 attached
) = 13824
[pid 13821] tkill(13824, SIGSTOP)       = 0
[pid 13824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13821, si_uid=65534} ---
[pid 13821] exit_group(0 <unfinished ...>
[pid 13824] --- stopped by SIGSTOP ---
[pid 13821] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13821] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13825 attached
, child_tidptr=0x5555574e8650) = 13825
[pid 13825] set_robust_list(0x5555574e8660, 24) = 0
[pid 13825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13825] setpgid(0, 0)               = 0
[pid 13825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13825] write(3, "1000", 4)         = 4
[pid 13825] close(3)                    = 0
[pid 13825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.299798][T13821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13825] close(5)                    = 0
[pid 13825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13828 attached
) = 13828
[pid 13825] tkill(13828, SIGSTOP)       = 0
[pid 13825] exit_group(0 <unfinished ...>
[pid 13828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13825, si_uid=65534} ---
[pid 13825] <... exit_group resumed>)   = ?
[pid 13828] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13829 attached
, child_tidptr=0x5555574e8650) = 13829
[pid 13829] set_robust_list(0x5555574e8660, 24) = 0
[pid 13829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13829] setpgid(0, 0)               = 0
[pid 13829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13829] write(3, "1000", 4)         = 4
[pid 13829] close(3)                    = 0
[pid 13829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.348115][T13825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13829] close(5)                    = 0
[pid 13829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13832 attached
) = 13832
[pid 13829] tkill(13832, SIGSTOP)       = 0
[pid 13829] exit_group(0)               = ?
[pid 13832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13829, si_uid=65534} ---
[pid 13832] --- stopped by SIGSTOP ---
[pid 13829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13833 attached
, child_tidptr=0x5555574e8650) = 13833
[pid 13833] set_robust_list(0x5555574e8660, 24) = 0
[pid 13833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13833] setpgid(0, 0)               = 0
[pid 13833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13833] write(3, "1000", 4)         = 4
[pid 13833] close(3)                    = 0
[pid 13833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.398698][T13829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13833] close(5)                    = 0
[pid 13833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13836 attached
) = 13836
[pid 13833] tkill(13836, SIGSTOP)       = 0
[pid 13833] exit_group(0 <unfinished ...>
[pid 13836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13833, si_uid=65534} ---
[pid 13833] <... exit_group resumed>)   = ?
[pid 13836] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13833, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13837 attached
, child_tidptr=0x5555574e8650) = 13837
[pid 13837] set_robust_list(0x5555574e8660, 24) = 0
[pid 13837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13837] setpgid(0, 0)               = 0
[pid 13837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13837] write(3, "1000", 4)         = 4
[pid 13837] close(3)                    = 0
[pid 13837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.444694][T13833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13837] close(5)                    = 0
[pid 13837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13840 attached
) = 13840
[pid 13837] tkill(13840, SIGSTOP)       = 0
[pid 13840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13837, si_uid=65534} ---
[pid 13837] exit_group(0 <unfinished ...>
[pid 13840] --- stopped by SIGSTOP ---
[pid 13837] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13837] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13841 attached
, child_tidptr=0x5555574e8650) = 13841
[pid 13841] set_robust_list(0x5555574e8660, 24) = 0
[pid 13841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13841] setpgid(0, 0)               = 0
[pid 13841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13841] write(3, "1000", 4)         = 4
[pid 13841] close(3)                    = 0
[pid 13841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.496951][T13837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13841] close(5)                    = 0
[pid 13841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13844 attached
) = 13844
[pid 13841] tkill(13844, SIGSTOP)       = 0
[pid 13844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13841, si_uid=65534} ---
[pid 13841] exit_group(0 <unfinished ...>
[pid 13844] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13841] <... exit_group resumed>)   = ?
[pid 13841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13845 attached
, child_tidptr=0x5555574e8650) = 13845
[pid 13845] set_robust_list(0x5555574e8660, 24) = 0
[pid 13845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13845] setpgid(0, 0)               = 0
[pid 13845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13845] write(3, "1000", 4)         = 4
[pid 13845] close(3)                    = 0
[pid 13845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.549941][T13841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13845] close(5)                    = 0
[pid 13845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13848 attached
) = 13848
[pid 13845] tkill(13848, SIGSTOP)       = 0
[pid 13848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13845, si_uid=65534} ---
[pid 13848] --- stopped by SIGSTOP ---
[pid 13845] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13845] <... exit_group resumed>)   = ?
[pid 13845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13845, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13849 attached
, child_tidptr=0x5555574e8650) = 13849
[pid 13849] set_robust_list(0x5555574e8660, 24) = 0
[pid 13849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13849] setpgid(0, 0)               = 0
[pid 13849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13849] write(3, "1000", 4)         = 4
[pid 13849] close(3)                    = 0
[pid 13849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.610896][T13845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13849] close(5)                    = 0
[pid 13849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13852 attached
) = 13852
[pid 13849] tkill(13852, SIGSTOP)       = 0
[pid 13852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13849, si_uid=65534} ---
[pid 13849] exit_group(0 <unfinished ...>
[pid 13852] --- stopped by SIGSTOP ---
[pid 13849] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13849, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13853 attached
, child_tidptr=0x5555574e8650) = 13853
[pid 13853] set_robust_list(0x5555574e8660, 24) = 0
[pid 13853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13853] setpgid(0, 0)               = 0
[pid 13853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13853] write(3, "1000", 4)         = 4
[pid 13853] close(3)                    = 0
[pid 13853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.671310][T13849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13853] close(5)                    = 0
[pid 13853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13856 attached
) = 13856
[pid 13853] tkill(13856, SIGSTOP)       = 0
[pid 13856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13853, si_uid=65534} ---
[pid 13853] exit_group(0 <unfinished ...>
[pid 13856] --- stopped by SIGSTOP ---
[pid 13853] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13853, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13857 attached
, child_tidptr=0x5555574e8650) = 13857
[pid 13857] set_robust_list(0x5555574e8660, 24) = 0
[pid 13857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13857] setpgid(0, 0)               = 0
[pid 13857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13857] write(3, "1000", 4)         = 4
[pid 13857] close(3)                    = 0
[pid 13857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  178.724803][T13853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13857] close(5)                    = 0
[pid 13857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13860 attached
) = 13860
[pid 13857] tkill(13860, SIGSTOP)       = 0
[pid 13860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13857, si_uid=65534} ---
[pid 13857] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13860] --- stopped by SIGSTOP ---
[pid 13857] <... exit_group resumed>)   = ?
[pid 13857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13857, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13861 attached
, child_tidptr=0x5555574e8650) = 13861
[pid 13861] set_robust_list(0x5555574e8660, 24) = 0
[pid 13861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13861] setpgid(0, 0)               = 0
[pid 13861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13861] write(3, "1000", 4)         = 4
[pid 13861] close(3)                    = 0
[pid 13861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.789957][T13857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13861] close(5)                    = 0
[pid 13861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13864 attached
) = 13864
[pid 13861] tkill(13864, SIGSTOP)       = 0
[pid 13864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13861, si_uid=65534} ---
[pid 13861] exit_group(0 <unfinished ...>
[pid 13864] --- stopped by SIGSTOP ---
[pid 13861] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13861] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13861, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13865 attached
, child_tidptr=0x5555574e8650) = 13865
[pid 13865] set_robust_list(0x5555574e8660, 24) = 0
[pid 13865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13865] setpgid(0, 0)               = 0
[pid 13865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13865] write(3, "1000", 4)         = 4
[pid 13865] close(3)                    = 0
[pid 13865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.850511][T13861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13865] close(5)                    = 0
[pid 13865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13868 attached
) = 13868
[pid 13865] tkill(13868, SIGSTOP)       = 0
[pid 13868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13865, si_uid=65534} ---
[pid 13865] exit_group(0 <unfinished ...>
[pid 13868] --- stopped by SIGSTOP ---
[pid 13865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13869 attached
, child_tidptr=0x5555574e8650) = 13869
[pid 13869] set_robust_list(0x5555574e8660, 24) = 0
[pid 13869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13869] setpgid(0, 0)               = 0
[pid 13869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13869] write(3, "1000", 4)         = 4
[pid 13869] close(3)                    = 0
[pid 13869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.900747][T13865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13869] close(5)                    = 0
[pid 13869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13872 attached
) = 13872
[pid 13869] tkill(13872, SIGSTOP)       = 0
[pid 13872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13869, si_uid=65534} ---
[pid 13869] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13872] --- stopped by SIGSTOP ---
[pid 13869] <... exit_group resumed>)   = ?
[pid 13869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13873 attached
, child_tidptr=0x5555574e8650) = 13873
[pid 13873] set_robust_list(0x5555574e8660, 24) = 0
[pid 13873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13873] setpgid(0, 0)               = 0
[pid 13873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13873] write(3, "1000", 4)         = 4
[pid 13873] close(3)                    = 0
[pid 13873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  178.951814][T13869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13873] close(5)                    = 0
[pid 13873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13876 attached
) = 13876
[pid 13873] tkill(13876, SIGSTOP)       = 0
[pid 13873] exit_group(0 <unfinished ...>
[pid 13876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13873, si_uid=65534} ---
[pid 13873] <... exit_group resumed>)   = ?
[pid 13876] --- stopped by SIGSTOP ---
[pid 13873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13877 attached
, child_tidptr=0x5555574e8650) = 13877
[pid 13877] set_robust_list(0x5555574e8660, 24) = 0
[pid 13877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13877] setpgid(0, 0)               = 0
[pid 13877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13877] write(3, "1000", 4)         = 4
[pid 13877] close(3)                    = 0
[pid 13877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.002728][T13873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13877] close(5)                    = 0
[pid 13877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13880 attached
) = 13880
[pid 13877] tkill(13880, SIGSTOP)       = 0
[pid 13880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13877, si_uid=65534} ---
[pid 13877] exit_group(0 <unfinished ...>
[pid 13880] --- stopped by SIGSTOP ---
[pid 13877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13877] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13877, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13881 attached
, child_tidptr=0x5555574e8650) = 13881
[pid 13881] set_robust_list(0x5555574e8660, 24) = 0
[pid 13881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13881] setpgid(0, 0)               = 0
[pid 13881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13881] write(3, "1000", 4)         = 4
[pid 13881] close(3)                    = 0
[pid 13881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.053352][T13877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13881] close(5)                    = 0
[pid 13881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13884 attached
) = 13884
[pid 13881] tkill(13884, SIGSTOP)       = 0
[pid 13884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13881, si_uid=65534} ---
[pid 13881] exit_group(0 <unfinished ...>
[pid 13884] --- stopped by SIGSTOP ---
[pid 13881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13881, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13885 attached
, child_tidptr=0x5555574e8650) = 13885
[pid 13885] set_robust_list(0x5555574e8660, 24) = 0
[pid 13885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13885] setpgid(0, 0)               = 0
[pid 13885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13885] write(3, "1000", 4)         = 4
[pid 13885] close(3)                    = 0
[pid 13885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.103545][T13881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13885] close(5)                    = 0
[pid 13885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13888 attached
) = 13888
[pid 13885] tkill(13888, SIGSTOP)       = 0
[pid 13888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13885, si_uid=65534} ---
[pid 13885] exit_group(0 <unfinished ...>
[pid 13888] --- stopped by SIGSTOP ---
[pid 13885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13885] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13885, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13889 attached
, child_tidptr=0x5555574e8650) = 13889
[pid 13889] set_robust_list(0x5555574e8660, 24) = 0
[pid 13889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13889] setpgid(0, 0)               = 0
[pid 13889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13889] write(3, "1000", 4)         = 4
[  179.155221][T13885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13889] close(3)                    = 0
[pid 13889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13889] close(5)                    = 0
[pid 13889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13892 attached
) = 13892
[pid 13889] tkill(13892, SIGSTOP)       = 0
[pid 13889] exit_group(0 <unfinished ...>
[pid 13892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13889, si_uid=65534} ---
[pid 13889] <... exit_group resumed>)   = ?
[pid 13892] --- stopped by SIGSTOP ---
[pid 13889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13893 attached
, child_tidptr=0x5555574e8650) = 13893
[pid 13893] set_robust_list(0x5555574e8660, 24) = 0
[pid 13893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13893] setpgid(0, 0)               = 0
[pid 13893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13893] write(3, "1000", 4)         = 4
[pid 13893] close(3)                    = 0
[pid 13893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.223201][T13889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13893] close(5)                    = 0
[pid 13893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13896 attached
) = 13896
[pid 13893] tkill(13896, SIGSTOP)       = 0
[pid 13896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13893, si_uid=65534} ---
[pid 13893] exit_group(0 <unfinished ...>
[pid 13896] --- stopped by SIGSTOP ---
[pid 13893] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13893] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13893, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13897 attached
, child_tidptr=0x5555574e8650) = 13897
[pid 13897] set_robust_list(0x5555574e8660, 24) = 0
[pid 13897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13897] setpgid(0, 0)               = 0
[pid 13897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13897] write(3, "1000", 4)         = 4
[pid 13897] close(3)                    = 0
[pid 13897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.275032][T13893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13897] close(5)                    = 0
[pid 13897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13900 attached
) = 13900
[pid 13897] tkill(13900, SIGSTOP)       = 0
[pid 13897] exit_group(0 <unfinished ...>
[pid 13900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13897, si_uid=65534} ---
[pid 13897] <... exit_group resumed>)   = ?
[pid 13900] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13901 attached
, child_tidptr=0x5555574e8650) = 13901
[pid 13901] set_robust_list(0x5555574e8660, 24) = 0
[pid 13901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13901] setpgid(0, 0)               = 0
[pid 13901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13901] write(3, "1000", 4)         = 4
[pid 13901] close(3)                    = 0
[pid 13901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.326684][T13897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13901] close(5)                    = 0
[pid 13901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13904 attached
) = 13904
[pid 13901] tkill(13904, SIGSTOP)       = 0
[pid 13901] exit_group(0 <unfinished ...>
[pid 13904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13901, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13904] --- stopped by SIGSTOP ---
[pid 13901] <... exit_group resumed>)   = ?
[pid 13901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13901, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13905 attached
, child_tidptr=0x5555574e8650) = 13905
[pid 13905] set_robust_list(0x5555574e8660, 24) = 0
[pid 13905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13905] setpgid(0, 0)               = 0
[pid 13905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13905] write(3, "1000", 4)         = 4
[pid 13905] close(3)                    = 0
[pid 13905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.375127][T13901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13905] close(5)                    = 0
[pid 13905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13908 attached
) = 13908
[pid 13905] tkill(13908, SIGSTOP)       = 0
[pid 13905] exit_group(0 <unfinished ...>
[pid 13908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13905, si_uid=65534} ---
[pid 13905] <... exit_group resumed>)   = ?
[pid 13908] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13905] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13909 attached
, child_tidptr=0x5555574e8650) = 13909
[pid 13909] set_robust_list(0x5555574e8660, 24) = 0
[pid 13909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13909] setpgid(0, 0)               = 0
[pid 13909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13909] write(3, "1000", 4)         = 4
[pid 13909] close(3)                    = 0
[pid 13909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.426810][T13905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13909] close(5)                    = 0
[pid 13909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13912 attached
) = 13912
[pid 13909] tkill(13912, SIGSTOP)       = 0
[pid 13912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13909, si_uid=65534} ---
[pid 13909] exit_group(0 <unfinished ...>
[pid 13912] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13909] <... exit_group resumed>)   = ?
[pid 13909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13913 attached
, child_tidptr=0x5555574e8650) = 13913
[pid 13913] set_robust_list(0x5555574e8660, 24) = 0
[pid 13913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13913] setpgid(0, 0)               = 0
[pid 13913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13913] write(3, "1000", 4)         = 4
[  179.477947][T13909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13913] close(3)                    = 0
[pid 13913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13913] close(5)                    = 0
[pid 13913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13916 attached
) = 13916
[pid 13913] tkill(13916, SIGSTOP)       = 0
[pid 13916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13913, si_uid=65534} ---
[pid 13913] exit_group(0 <unfinished ...>
[pid 13916] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13913] <... exit_group resumed>)   = ?
[pid 13913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13917 attached
, child_tidptr=0x5555574e8650) = 13917
[pid 13917] set_robust_list(0x5555574e8660, 24) = 0
[pid 13917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13917] setpgid(0, 0)               = 0
[pid 13917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13917] write(3, "1000", 4)         = 4
[pid 13917] close(3)                    = 0
[pid 13917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.547947][T13913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13917] close(5)                    = 0
[pid 13917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13920 attached
) = 13920
[pid 13917] tkill(13920, SIGSTOP)       = 0
[pid 13920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13917, si_uid=65534} ---
[pid 13917] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13920] --- stopped by SIGSTOP ---
[pid 13917] <... exit_group resumed>)   = ?
[pid 13917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13921 attached
, child_tidptr=0x5555574e8650) = 13921
[pid 13921] set_robust_list(0x5555574e8660, 24) = 0
[pid 13921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13921] setpgid(0, 0)               = 0
[pid 13921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13921] write(3, "1000", 4)         = 4
[pid 13921] close(3)                    = 0
[pid 13921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.597469][T13917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13921] close(5)                    = 0
[pid 13921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13924 attached
) = 13924
[pid 13921] tkill(13924, SIGSTOP)       = 0
[pid 13924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13921, si_uid=65534} ---
[pid 13921] exit_group(0 <unfinished ...>
[pid 13924] --- stopped by SIGSTOP ---
[pid 13921] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13921, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13925 attached
, child_tidptr=0x5555574e8650) = 13925
[pid 13925] set_robust_list(0x5555574e8660, 24) = 0
[pid 13925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13925] setpgid(0, 0)               = 0
[pid 13925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13925] write(3, "1000", 4)         = 4
[pid 13925] close(3)                    = 0
[pid 13925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.650603][T13921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13925] close(5)                    = 0
[pid 13925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13928 attached
) = 13928
[pid 13925] tkill(13928, SIGSTOP)       = 0
[pid 13928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13925, si_uid=65534} ---
[pid 13925] exit_group(0 <unfinished ...>
[pid 13928] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13925] <... exit_group resumed>)   = ?
[pid 13925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13925, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13929 attached
, child_tidptr=0x5555574e8650) = 13929
[pid 13929] set_robust_list(0x5555574e8660, 24) = 0
[pid 13929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13929] setpgid(0, 0)               = 0
[pid 13929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13929] write(3, "1000", 4)         = 4
[pid 13929] close(3)                    = 0
[pid 13929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.703989][T13925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13929] close(5)                    = 0
[pid 13929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13932 attached
) = 13932
[pid 13929] tkill(13932, SIGSTOP)       = 0
[pid 13932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13929, si_uid=65534} ---
[pid 13929] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13932] --- stopped by SIGSTOP ---
[pid 13929] <... exit_group resumed>)   = ?
[pid 13929] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13929, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13933 attached
, child_tidptr=0x5555574e8650) = 13933
[pid 13933] set_robust_list(0x5555574e8660, 24) = 0
[pid 13933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13933] setpgid(0, 0)               = 0
[pid 13933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13933] write(3, "1000", 4)         = 4
[pid 13933] close(3)                    = 0
[pid 13933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.754957][T13929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13933] close(5)                    = 0
[pid 13933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13936 attached
) = 13936
[pid 13933] tkill(13936, SIGSTOP)       = 0
[pid 13933] exit_group(0 <unfinished ...>
[pid 13936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13933, si_uid=65534} ---
[pid 13936] --- stopped by SIGSTOP ---
[pid 13933] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13933, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13937 attached
, child_tidptr=0x5555574e8650) = 13937
[pid 13937] set_robust_list(0x5555574e8660, 24) = 0
[pid 13937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13937] setpgid(0, 0)               = 0
[pid 13937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13937] write(3, "1000", 4)         = 4
[pid 13937] close(3)                    = 0
[pid 13937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.804529][T13933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13937] close(5)                    = 0
[pid 13937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13940 attached
) = 13940
[pid 13937] tkill(13940, SIGSTOP)       = 0
[pid 13940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13937, si_uid=65534} ---
[pid 13937] exit_group(0 <unfinished ...>
[pid 13940] --- stopped by SIGSTOP ---
[pid 13937] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13937] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13937, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13941 attached
, child_tidptr=0x5555574e8650) = 13941
[pid 13941] set_robust_list(0x5555574e8660, 24) = 0
[pid 13941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13941] setpgid(0, 0)               = 0
[pid 13941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13941] write(3, "1000", 4)         = 4
[pid 13941] close(3)                    = 0
[pid 13941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.863246][T13937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13941] close(5)                    = 0
[pid 13941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13944 attached
) = 13944
[pid 13941] tkill(13944, SIGSTOP)       = 0
[pid 13944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13941, si_uid=65534} ---
[pid 13941] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13944] --- stopped by SIGSTOP ---
[pid 13941] <... exit_group resumed>)   = ?
[pid 13941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13945 attached
, child_tidptr=0x5555574e8650) = 13945
[pid 13945] set_robust_list(0x5555574e8660, 24) = 0
[pid 13945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13945] setpgid(0, 0)               = 0
[pid 13945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13945] write(3, "1000", 4)         = 4
[pid 13945] close(3)                    = 0
[pid 13945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.926637][T13941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13945] close(5)                    = 0
[pid 13945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13948 attached
) = 13948
[pid 13945] tkill(13948, SIGSTOP)       = 0
[pid 13945] exit_group(0 <unfinished ...>
[pid 13948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13945, si_uid=65534} ---
[pid 13945] <... exit_group resumed>)   = ?
[pid 13948] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13945] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13945, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13949 attached
, child_tidptr=0x5555574e8650) = 13949
[pid 13949] set_robust_list(0x5555574e8660, 24) = 0
[pid 13949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13949] setpgid(0, 0)               = 0
[pid 13949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13949] write(3, "1000", 4)         = 4
[pid 13949] close(3)                    = 0
[pid 13949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  179.975662][T13945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13949] close(5)                    = 0
[pid 13949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13952 attached
) = 13952
[pid 13949] tkill(13952, SIGSTOP)       = 0
[pid 13952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13949, si_uid=65534} ---
[pid 13949] exit_group(0 <unfinished ...>
[pid 13952] --- stopped by SIGSTOP ---
[pid 13949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13953 attached
, child_tidptr=0x5555574e8650) = 13953
[pid 13953] set_robust_list(0x5555574e8660, 24) = 0
[pid 13953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13953] setpgid(0, 0)               = 0
[pid 13953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13953] write(3, "1000", 4)         = 4
[pid 13953] close(3)                    = 0
[pid 13953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.038434][T13949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13953] close(5)                    = 0
[pid 13953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13956 attached
) = 13956
[pid 13953] tkill(13956, SIGSTOP)       = 0
[pid 13956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13953, si_uid=65534} ---
[pid 13953] exit_group(0 <unfinished ...>
[pid 13956] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13953] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13957 attached
, child_tidptr=0x5555574e8650) = 13957
[pid 13957] set_robust_list(0x5555574e8660, 24) = 0
[pid 13957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13957] setpgid(0, 0)               = 0
[pid 13957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13957] write(3, "1000", 4)         = 4
[pid 13957] close(3)                    = 0
[pid 13957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.089242][T13953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13957] close(5)                    = 0
[pid 13957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13960 attached
) = 13960
[pid 13957] tkill(13960, SIGSTOP)       = 0
[pid 13957] exit_group(0 <unfinished ...>
[pid 13960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13957, si_uid=65534} ---
[pid 13960] --- stopped by SIGSTOP ---
[pid 13957] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13961 attached
, child_tidptr=0x5555574e8650) = 13961
[pid 13961] set_robust_list(0x5555574e8660, 24) = 0
[pid 13961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13961] setpgid(0, 0)               = 0
[pid 13961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  180.152635][T13957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13961] write(3, "1000", 4)         = 4
[pid 13961] close(3)                    = 0
[pid 13961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13961] close(5)                    = 0
[pid 13961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13964 attached
) = 13964
[pid 13961] tkill(13964, SIGSTOP)       = 0
[pid 13964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13961, si_uid=65534} ---
[pid 13961] exit_group(0 <unfinished ...>
[pid 13964] --- stopped by SIGSTOP ---
[pid 13961] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13961, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13965 attached
, child_tidptr=0x5555574e8650) = 13965
[pid 13965] set_robust_list(0x5555574e8660, 24) = 0
[pid 13965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13965] setpgid(0, 0)               = 0
[pid 13965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13965] write(3, "1000", 4)         = 4
[pid 13965] close(3)                    = 0
[pid 13965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.223627][T13961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13965] close(5)                    = 0
[pid 13965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13968 attached
) = 13968
[pid 13965] tkill(13968, SIGSTOP)       = 0
[pid 13968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13965, si_uid=65534} ---
[pid 13965] exit_group(0 <unfinished ...>
[pid 13968] --- stopped by SIGSTOP ---
[pid 13965] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13965] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13965, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13969 attached
, child_tidptr=0x5555574e8650) = 13969
[pid 13969] set_robust_list(0x5555574e8660, 24) = 0
[pid 13969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13969] setpgid(0, 0)               = 0
[pid 13969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13969] write(3, "1000", 4)         = 4
[  180.286580][T13965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13969] close(3)                    = 0
[pid 13969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 13969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13969] close(5)                    = 0
[pid 13969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13972 attached
) = 13972
[pid 13969] tkill(13972, SIGSTOP)       = 0
[pid 13972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13969, si_uid=65534} ---
[pid 13969] exit_group(0 <unfinished ...>
[pid 13972] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13969] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13969] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13973 attached
, child_tidptr=0x5555574e8650) = 13973
[pid 13973] set_robust_list(0x5555574e8660, 24) = 0
[pid 13973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13973] setpgid(0, 0)               = 0
[pid 13973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13973] write(3, "1000", 4)         = 4
[pid 13973] close(3)                    = 0
[pid 13973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.357728][T13969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13973] close(5)                    = 0
[pid 13973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13976 attached
) = 13976
[pid 13973] tkill(13976, SIGSTOP)       = 0
[pid 13973] exit_group(0 <unfinished ...>
[pid 13976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13973, si_uid=65534} ---
[pid 13973] <... exit_group resumed>)   = ?
[pid 13976] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13973] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13977 attached
, child_tidptr=0x5555574e8650) = 13977
[pid 13977] set_robust_list(0x5555574e8660, 24) = 0
[pid 13977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13977] setpgid(0, 0)               = 0
[pid 13977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13977] write(3, "1000", 4)         = 4
[pid 13977] close(3)                    = 0
[pid 13977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.408627][T13973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13977] close(5)                    = 0
[pid 13977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13980 attached
) = 13980
[pid 13977] tkill(13980, SIGSTOP)       = 0
[pid 13980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13977, si_uid=65534} ---
[pid 13977] exit_group(0 <unfinished ...>
[pid 13980] --- stopped by SIGSTOP ---
[pid 13977] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13977] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13981 attached
, child_tidptr=0x5555574e8650) = 13981
[pid 13981] set_robust_list(0x5555574e8660, 24) = 0
[pid 13981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13981] setpgid(0, 0)               = 0
[pid 13981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13981] write(3, "1000", 4)         = 4
[pid 13981] close(3)                    = 0
[pid 13981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.457652][T13977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13981] close(5)                    = 0
[pid 13981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13984 attached
) = 13984
[pid 13981] tkill(13984, SIGSTOP)       = 0
[pid 13984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13981, si_uid=65534} ---
[pid 13981] exit_group(0 <unfinished ...>
[pid 13984] --- stopped by SIGSTOP ---
[pid 13981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13981, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13985 attached
, child_tidptr=0x5555574e8650) = 13985
[pid 13985] set_robust_list(0x5555574e8660, 24) = 0
[pid 13985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13985] setpgid(0, 0)               = 0
[pid 13985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13985] write(3, "1000", 4)         = 4
[pid 13985] close(3)                    = 0
[pid 13985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.505472][T13981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13985] close(5)                    = 0
[pid 13985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13988 attached
) = 13988
[pid 13985] tkill(13988, SIGSTOP)       = 0
[pid 13985] exit_group(0 <unfinished ...>
[pid 13988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13985, si_uid=65534} ---
[pid 13985] <... exit_group resumed>)   = ?
[pid 13988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 13985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13989 attached
, child_tidptr=0x5555574e8650) = 13989
[pid 13989] set_robust_list(0x5555574e8660, 24) = 0
[pid 13989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13989] setpgid(0, 0)               = 0
[pid 13989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13989] write(3, "1000", 4)         = 4
[pid 13989] close(3)                    = 0
[pid 13989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.557214][T13985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13989] close(5)                    = 0
[pid 13989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13992 attached
) = 13992
[pid 13989] tkill(13992, SIGSTOP)       = 0
[pid 13992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13989, si_uid=65534} ---
[pid 13989] exit_group(0 <unfinished ...>
[pid 13992] --- stopped by SIGSTOP ---
[pid 13989] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13993 attached
, child_tidptr=0x5555574e8650) = 13993
[pid 13993] set_robust_list(0x5555574e8660, 24) = 0
[pid 13993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13993] setpgid(0, 0)               = 0
[pid 13993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13993] write(3, "1000", 4)         = 4
[pid 13993] close(3)                    = 0
[pid 13993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.606934][T13989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13993] close(5)                    = 0
[pid 13993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 13996 attached
) = 13996
[pid 13993] tkill(13996, SIGSTOP)       = 0
[pid 13996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13993, si_uid=65534} ---
[pid 13993] exit_group(0 <unfinished ...>
[pid 13996] --- stopped by SIGSTOP ---
[pid 13993] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=13996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 13993] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13997 attached
, child_tidptr=0x5555574e8650) = 13997
[pid 13997] set_robust_list(0x5555574e8660, 24) = 0
[pid 13997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13997] setpgid(0, 0)               = 0
[pid 13997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13997] write(3, "1000", 4)         = 4
[pid 13997] close(3)                    = 0
[pid 13997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 13997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.668874][T13993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 13997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 13997] close(5)                    = 0
[pid 13997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14000 attached
) = 14000
[pid 13997] tkill(14000, SIGSTOP)       = 0
[pid 14000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=13997, si_uid=65534} ---
[pid 13997] exit_group(0 <unfinished ...>
[pid 14000] --- stopped by SIGSTOP ---
[pid 13997] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 13997] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13997, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14001 attached
, child_tidptr=0x5555574e8650) = 14001
[pid 14001] set_robust_list(0x5555574e8660, 24) = 0
[pid 14001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14001] setpgid(0, 0)               = 0
[pid 14001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14001] write(3, "1000", 4)         = 4
[pid 14001] close(3)                    = 0
[pid 14001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.720559][T13997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14001] close(5)                    = 0
[pid 14001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14004 attached
) = 14004
[pid 14001] tkill(14004, SIGSTOP)       = 0
[pid 14004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14001, si_uid=65534} ---
[pid 14001] exit_group(0 <unfinished ...>
[pid 14004] --- stopped by SIGSTOP ---
[pid 14001] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14001] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14005 attached
, child_tidptr=0x5555574e8650) = 14005
[pid 14005] set_robust_list(0x5555574e8660, 24) = 0
[pid 14005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14005] setpgid(0, 0)               = 0
[pid 14005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14005] write(3, "1000", 4)         = 4
[pid 14005] close(3)                    = 0
[pid 14005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.773956][T14001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14005] close(5)                    = 0
[pid 14005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14008 attached
) = 14008
[pid 14005] tkill(14008, SIGSTOP)       = 0
[pid 14008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14005, si_uid=65534} ---
[pid 14005] exit_group(0 <unfinished ...>
[pid 14008] --- stopped by SIGSTOP ---
[pid 14005] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14005, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14009 attached
, child_tidptr=0x5555574e8650) = 14009
[pid 14009] set_robust_list(0x5555574e8660, 24) = 0
[pid 14009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14009] setpgid(0, 0)               = 0
[pid 14009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  180.823509][T14005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14009] write(3, "1000", 4)         = 4
[pid 14009] close(3)                    = 0
[pid 14009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14009] close(5)                    = 0
[pid 14009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14012 attached
) = 14012
[pid 14009] tkill(14012, SIGSTOP)       = 0
[pid 14012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14009, si_uid=65534} ---
[pid 14009] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14012] --- stopped by SIGSTOP ---
[pid 14009] <... exit_group resumed>)   = ?
[pid 14009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14009, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14013 attached
, child_tidptr=0x5555574e8650) = 14013
[pid 14013] set_robust_list(0x5555574e8660, 24) = 0
[pid 14013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14013] setpgid(0, 0)               = 0
[pid 14013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14013] write(3, "1000", 4)         = 4
[pid 14013] close(3)                    = 0
[pid 14013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.894544][T14009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14013] close(5)                    = 0
[pid 14013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14016 attached
) = 14016
[pid 14013] tkill(14016, SIGSTOP)       = 0
[pid 14016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14013, si_uid=65534} ---
[pid 14013] exit_group(0 <unfinished ...>
[pid 14016] --- stopped by SIGSTOP ---
[pid 14013] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14017 attached
, child_tidptr=0x5555574e8650) = 14017
[pid 14017] set_robust_list(0x5555574e8660, 24) = 0
[pid 14017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14017] setpgid(0, 0)               = 0
[pid 14017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14017] write(3, "1000", 4)         = 4
[pid 14017] close(3)                    = 0
[pid 14017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  180.957193][T14013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14017] close(5)                    = 0
[pid 14017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14020 attached
) = 14020
[pid 14017] tkill(14020, SIGSTOP)       = 0
[pid 14017] exit_group(0)               = ?
[pid 14020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14017, si_uid=65534} ---
[pid 14017] +++ exited with 0 +++
[pid 14020] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14021 attached
, child_tidptr=0x5555574e8650) = 14021
[pid 14021] set_robust_list(0x5555574e8660, 24) = 0
[pid 14021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14021] setpgid(0, 0)               = 0
[pid 14021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14021] write(3, "1000", 4)         = 4
[pid 14021] close(3)                    = 0
[pid 14021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.007649][T14017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14021] close(5)                    = 0
[pid 14021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14024 attached
) = 14024
[pid 14021] tkill(14024, SIGSTOP)       = 0
[pid 14024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14021, si_uid=65534} ---
[pid 14021] exit_group(0)               = ?
[pid 14024] --- stopped by SIGSTOP ---
[pid 14021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14025 attached
, child_tidptr=0x5555574e8650) = 14025
[pid 14025] set_robust_list(0x5555574e8660, 24) = 0
[pid 14025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14025] setpgid(0, 0)               = 0
[pid 14025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14025] write(3, "1000", 4)         = 4
[pid 14025] close(3)                    = 0
[pid 14025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.055417][T14021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14025] close(5)                    = 0
[pid 14025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14028 attached
) = 14028
[pid 14025] tkill(14028, SIGSTOP)       = 0
[pid 14025] exit_group(0 <unfinished ...>
[pid 14028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14025, si_uid=65534} ---
[pid 14025] <... exit_group resumed>)   = ?
[pid 14028] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14025, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14029 attached
, child_tidptr=0x5555574e8650) = 14029
[pid 14029] set_robust_list(0x5555574e8660, 24) = 0
[pid 14029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14029] setpgid(0, 0)               = 0
[pid 14029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14029] write(3, "1000", 4)         = 4
[pid 14029] close(3)                    = 0
[pid 14029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.115759][T14025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14029] close(5)                    = 0
[pid 14029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14032 attached
) = 14032
[pid 14029] tkill(14032, SIGSTOP)       = 0
[pid 14032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14029, si_uid=65534} ---
[pid 14029] exit_group(0 <unfinished ...>
[pid 14032] --- stopped by SIGSTOP ---
[pid 14029] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14029] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14033 attached
, child_tidptr=0x5555574e8650) = 14033
[pid 14033] set_robust_list(0x5555574e8660, 24) = 0
[pid 14033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14033] setpgid(0, 0)               = 0
[pid 14033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14033] write(3, "1000", 4)         = 4
[pid 14033] close(3)                    = 0
[pid 14033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.166216][T14029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14033] close(5)                    = 0
[pid 14033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14036 attached
) = 14036
[pid 14033] tkill(14036, SIGSTOP)       = 0
[pid 14036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14033, si_uid=65534} ---
[pid 14033] exit_group(0 <unfinished ...>
[pid 14036] --- stopped by SIGSTOP ---
[pid 14033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14037 attached
, child_tidptr=0x5555574e8650) = 14037
[pid 14037] set_robust_list(0x5555574e8660, 24) = 0
[pid 14037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14037] setpgid(0, 0)               = 0
[pid 14037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14037] write(3, "1000", 4)         = 4
[pid 14037] close(3)                    = 0
[pid 14037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.217573][T14033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14037] close(5)                    = 0
[pid 14037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14040 attached
) = 14040
[pid 14037] tkill(14040, SIGSTOP)       = 0
[pid 14037] exit_group(0 <unfinished ...>
[pid 14040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14037, si_uid=65534} ---
[pid 14037] <... exit_group resumed>)   = ?
[pid 14040] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14041 attached
, child_tidptr=0x5555574e8650) = 14041
[pid 14041] set_robust_list(0x5555574e8660, 24) = 0
[pid 14041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14041] setpgid(0, 0)               = 0
[pid 14041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14041] write(3, "1000", 4)         = 4
[pid 14041] close(3)                    = 0
[pid 14041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.278196][T14037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14041] close(5)                    = 0
[pid 14041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14044 attached
) = 14044
[pid 14041] tkill(14044, SIGSTOP)       = 0
[pid 14044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14041, si_uid=65534} ---
[pid 14041] exit_group(0 <unfinished ...>
[pid 14044] --- stopped by SIGSTOP ---
[pid 14041] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14045 attached
, child_tidptr=0x5555574e8650) = 14045
[pid 14045] set_robust_list(0x5555574e8660, 24) = 0
[pid 14045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14045] setpgid(0, 0)               = 0
[pid 14045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14045] write(3, "1000", 4)         = 4
[pid 14045] close(3)                    = 0
[pid 14045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.331387][T14041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14045] close(5)                    = 0
[pid 14045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14048 attached
) = 14048
[pid 14045] tkill(14048, SIGSTOP)       = 0
[pid 14048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14045, si_uid=65534} ---
[pid 14045] exit_group(0 <unfinished ...>
[pid 14048] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14045] <... exit_group resumed>)   = ?
[pid 14045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14045, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14049 attached
, child_tidptr=0x5555574e8650) = 14049
[pid 14049] set_robust_list(0x5555574e8660, 24) = 0
[pid 14049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14049] setpgid(0, 0)               = 0
[pid 14049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14049] write(3, "1000", 4)         = 4
[pid 14049] close(3)                    = 0
[pid 14049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.393385][T14045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14049] close(5)                    = 0
[pid 14049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14052 attached
) = 14052
[pid 14049] tkill(14052, SIGSTOP)       = 0
[pid 14049] exit_group(0 <unfinished ...>
[pid 14052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14049, si_uid=65534} ---
[pid 14049] <... exit_group resumed>)   = ?
[pid 14052] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14049, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14053 attached
, child_tidptr=0x5555574e8650) = 14053
[pid 14053] set_robust_list(0x5555574e8660, 24) = 0
[pid 14053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14053] setpgid(0, 0)               = 0
[pid 14053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14053] write(3, "1000", 4)         = 4
[pid 14053] close(3)                    = 0
[pid 14053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.445403][T14049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14053] close(5)                    = 0
[pid 14053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14056 attached
) = 14056
[pid 14053] tkill(14056, SIGSTOP)       = 0
[pid 14056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14053, si_uid=65534} ---
[pid 14053] exit_group(0 <unfinished ...>
[pid 14056] --- stopped by SIGSTOP ---
[pid 14053] <... exit_group resumed>)   = ?
[pid 14053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14057 attached
, child_tidptr=0x5555574e8650) = 14057
[pid 14057] set_robust_list(0x5555574e8660, 24) = 0
[pid 14057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14057] setpgid(0, 0)               = 0
[pid 14057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14057] write(3, "1000", 4)         = 4
[pid 14057] close(3)                    = 0
[pid 14057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.508867][T14053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14057] close(5)                    = 0
[pid 14057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14060 attached
) = 14060
[pid 14057] tkill(14060, SIGSTOP)       = 0
[pid 14060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14057, si_uid=65534} ---
[pid 14057] exit_group(0 <unfinished ...>
[pid 14060] --- stopped by SIGSTOP ---
[pid 14057] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14057] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14061 attached
, child_tidptr=0x5555574e8650) = 14061
[pid 14061] set_robust_list(0x5555574e8660, 24) = 0
[pid 14061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14061] setpgid(0, 0)               = 0
[pid 14061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14061] write(3, "1000", 4)         = 4
[pid 14061] close(3)                    = 0
[pid 14061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.558173][T14057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14061] close(5)                    = 0
[pid 14061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14064 attached
) = 14064
[pid 14061] tkill(14064, SIGSTOP)       = 0
[pid 14064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14061, si_uid=65534} ---
[pid 14061] exit_group(0 <unfinished ...>
[pid 14064] --- stopped by SIGSTOP ---
[pid 14061] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14061] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14061, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14065 attached
, child_tidptr=0x5555574e8650) = 14065
[pid 14065] set_robust_list(0x5555574e8660, 24) = 0
[pid 14065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14065] setpgid(0, 0)               = 0
[pid 14065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14065] write(3, "1000", 4)         = 4
[pid 14065] close(3)                    = 0
[pid 14065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.611008][T14061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14065] close(5)                    = 0
[pid 14065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14068 attached
) = 14068
[pid 14065] tkill(14068, SIGSTOP)       = 0
[pid 14068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14065, si_uid=65534} ---
[pid 14065] exit_group(0 <unfinished ...>
[pid 14068] --- stopped by SIGSTOP ---
[pid 14065] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14065, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14069 attached
, child_tidptr=0x5555574e8650) = 14069
[pid 14069] set_robust_list(0x5555574e8660, 24) = 0
[pid 14069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14069] setpgid(0, 0)               = 0
[pid 14069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14069] write(3, "1000", 4)         = 4
[pid 14069] close(3)                    = 0
[pid 14069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.661900][T14065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14069] close(5)                    = 0
[pid 14069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14072 attached
) = 14072
[pid 14069] tkill(14072, SIGSTOP)       = 0
[pid 14069] exit_group(0 <unfinished ...>
[pid 14072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14069, si_uid=65534} ---
[pid 14069] <... exit_group resumed>)   = ?
[pid 14072] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14073 attached
, child_tidptr=0x5555574e8650) = 14073
[pid 14073] set_robust_list(0x5555574e8660, 24) = 0
[pid 14073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14073] setpgid(0, 0)               = 0
[pid 14073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14073] write(3, "1000", 4)         = 4
[pid 14073] close(3)                    = 0
[pid 14073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.713021][T14069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14073] close(5)                    = 0
[pid 14073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14076 attached
) = 14076
[pid 14073] tkill(14076, SIGSTOP)       = 0
[pid 14076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14073, si_uid=65534} ---
[pid 14076] --- stopped by SIGSTOP ---
[pid 14073] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14073] <... exit_group resumed>)   = ?
[pid 14073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14073, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14077 attached
, child_tidptr=0x5555574e8650) = 14077
[pid 14077] set_robust_list(0x5555574e8660, 24) = 0
[pid 14077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14077] setpgid(0, 0)               = 0
[pid 14077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14077] write(3, "1000", 4)         = 4
[pid 14077] close(3)                    = 0
[pid 14077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.774756][T14073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14077] close(5)                    = 0
[pid 14077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14080 attached
) = 14080
[pid 14077] tkill(14080, SIGSTOP)       = 0
[pid 14080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14077, si_uid=65534} ---
[pid 14077] exit_group(0 <unfinished ...>
[pid 14080] --- stopped by SIGSTOP ---
[pid 14077] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14077] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14077, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14081 attached
, child_tidptr=0x5555574e8650) = 14081
[pid 14081] set_robust_list(0x5555574e8660, 24) = 0
[pid 14081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14081] setpgid(0, 0)               = 0
[pid 14081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14081] write(3, "1000", 4)         = 4
[pid 14081] close(3)                    = 0
[pid 14081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.829793][T14077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14081] close(5)                    = 0
[pid 14081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14084 attached
) = 14084
[pid 14081] tkill(14084, SIGSTOP)       = 0
[pid 14084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14081, si_uid=65534} ---
[pid 14081] exit_group(0 <unfinished ...>
[pid 14084] --- stopped by SIGSTOP ---
[pid 14081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14081] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14085 attached
, child_tidptr=0x5555574e8650) = 14085
[pid 14085] set_robust_list(0x5555574e8660, 24) = 0
[pid 14085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14085] setpgid(0, 0)               = 0
[pid 14085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14085] write(3, "1000", 4)         = 4
[pid 14085] close(3)                    = 0
[pid 14085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  181.879972][T14081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14085] close(5)                    = 0
[pid 14085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14088 attached
) = 14088
[pid 14085] tkill(14088, SIGSTOP)       = 0
[pid 14088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14085, si_uid=65534} ---
[pid 14088] --- stopped by SIGSTOP ---
[pid 14085] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14085] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14089 attached
, child_tidptr=0x5555574e8650) = 14089
[pid 14089] set_robust_list(0x5555574e8660, 24) = 0
[pid 14089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14089] setpgid(0, 0)               = 0
[pid 14089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14089] write(3, "1000", 4)         = 4
[pid 14089] close(3)                    = 0
[  181.932431][T14085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14089] close(5)                    = 0
[pid 14089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14092 attached
) = 14092
[pid 14089] tkill(14092, SIGSTOP)       = 0
[pid 14092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14089, si_uid=65534} ---
[pid 14089] exit_group(0 <unfinished ...>
[pid 14092] --- stopped by SIGSTOP ---
[pid 14089] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14089, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14093 attached
, child_tidptr=0x5555574e8650) = 14093
[pid 14093] set_robust_list(0x5555574e8660, 24) = 0
[pid 14093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14093] setpgid(0, 0)               = 0
[pid 14093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14093] write(3, "1000", 4)         = 4
[pid 14093] close(3)                    = 0
[pid 14093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.004195][T14089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14093] close(5)                    = 0
[pid 14093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14096 attached
) = 14096
[pid 14093] tkill(14096, SIGSTOP)       = 0
[pid 14096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14093, si_uid=65534} ---
[pid 14093] exit_group(0 <unfinished ...>
[pid 14096] --- stopped by SIGSTOP ---
[pid 14093] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14097 attached
, child_tidptr=0x5555574e8650) = 14097
[pid 14097] set_robust_list(0x5555574e8660, 24) = 0
[pid 14097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14097] setpgid(0, 0)               = 0
[pid 14097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14097] write(3, "1000", 4)         = 4
[pid 14097] close(3)                    = 0
[pid 14097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.056843][T14093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14097] close(5)                    = 0
[pid 14097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14100 attached
) = 14100
[pid 14097] tkill(14100, SIGSTOP)       = 0
[pid 14100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14097, si_uid=65534} ---
[pid 14097] exit_group(0 <unfinished ...>
[pid 14100] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14097] <... exit_group resumed>)   = ?
[pid 14097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14101 attached
, child_tidptr=0x5555574e8650) = 14101
[pid 14101] set_robust_list(0x5555574e8660, 24) = 0
[pid 14101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14101] setpgid(0, 0)               = 0
[pid 14101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14101] write(3, "1000", 4)         = 4
[pid 14101] close(3)                    = 0
[pid 14101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.111932][T14097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14101] close(5)                    = 0
[pid 14101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14104 attached
) = 14104
[pid 14101] tkill(14104, SIGSTOP)       = 0
[pid 14101] exit_group(0 <unfinished ...>
[pid 14104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14101, si_uid=65534} ---
[pid 14101] <... exit_group resumed>)   = ?
[pid 14104] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14101] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14105 attached
, child_tidptr=0x5555574e8650) = 14105
[pid 14105] set_robust_list(0x5555574e8660, 24) = 0
[pid 14105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14105] setpgid(0, 0)               = 0
[pid 14105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14105] write(3, "1000", 4)         = 4
[pid 14105] close(3)                    = 0
[pid 14105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.166440][T14101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14105] close(5)                    = 0
[pid 14105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14108 attached
) = 14108
[pid 14105] tkill(14108, SIGSTOP)       = 0
[pid 14108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14105, si_uid=65534} ---
[pid 14105] exit_group(0 <unfinished ...>
[pid 14108] --- stopped by SIGSTOP ---
[pid 14105] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14105] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14109 attached
, child_tidptr=0x5555574e8650) = 14109
[pid 14109] set_robust_list(0x5555574e8660, 24) = 0
[pid 14109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14109] setpgid(0, 0)               = 0
[pid 14109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14109] write(3, "1000", 4)         = 4
[pid 14109] close(3)                    = 0
[pid 14109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.228423][T14105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14109] close(5)                    = 0
[pid 14109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14112 attached
) = 14112
[pid 14109] tkill(14112, SIGSTOP)       = 0
[pid 14112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14109, si_uid=65534} ---
[pid 14109] exit_group(0 <unfinished ...>
[pid 14112] --- stopped by SIGSTOP ---
[pid 14109] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14109] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14113 attached
, child_tidptr=0x5555574e8650) = 14113
[pid 14113] set_robust_list(0x5555574e8660, 24) = 0
[pid 14113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14113] setpgid(0, 0)               = 0
[pid 14113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14113] write(3, "1000", 4)         = 4
[pid 14113] close(3)                    = 0
[pid 14113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.279231][T14109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14113] close(5)                    = 0
[pid 14113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14116 attached
) = 14116
[pid 14113] tkill(14116, SIGSTOP)       = 0
[pid 14116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14113, si_uid=65534} ---
[pid 14113] exit_group(0 <unfinished ...>
[pid 14116] --- stopped by SIGSTOP ---
[pid 14113] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14113] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14117 attached
, child_tidptr=0x5555574e8650) = 14117
[pid 14117] set_robust_list(0x5555574e8660, 24) = 0
[pid 14117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14117] setpgid(0, 0)               = 0
[pid 14117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14117] write(3, "1000", 4)         = 4
[pid 14117] close(3)                    = 0
[pid 14117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.342995][T14113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14117] close(5)                    = 0
[pid 14117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14120 attached
) = 14120
[pid 14117] tkill(14120, SIGSTOP)       = 0
[pid 14120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14117, si_uid=65534} ---
[pid 14117] exit_group(0 <unfinished ...>
[pid 14120] --- stopped by SIGSTOP ---
[pid 14117] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14121 attached
, child_tidptr=0x5555574e8650) = 14121
[pid 14121] set_robust_list(0x5555574e8660, 24) = 0
[pid 14121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14121] setpgid(0, 0)               = 0
[pid 14121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14121] write(3, "1000", 4)         = 4
[pid 14121] close(3)                    = 0
[pid 14121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.405008][T14117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14121] close(5)                    = 0
[pid 14121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14124 attached
) = 14124
[pid 14121] tkill(14124, SIGSTOP)       = 0
[pid 14121] exit_group(0 <unfinished ...>
[pid 14124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14121, si_uid=65534} ---
[pid 14121] <... exit_group resumed>)   = ?
[pid 14124] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14121] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14125 attached
, child_tidptr=0x5555574e8650) = 14125
[pid 14125] set_robust_list(0x5555574e8660, 24) = 0
[pid 14125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14125] setpgid(0, 0)               = 0
[pid 14125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14125] write(3, "1000", 4)         = 4
[pid 14125] close(3)                    = 0
[pid 14125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.454208][T14121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14125] close(5)                    = 0
[pid 14125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14128 attached
) = 14128
[pid 14125] tkill(14128, SIGSTOP)       = 0
[pid 14128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14125, si_uid=65534} ---
[pid 14125] exit_group(0 <unfinished ...>
[pid 14128] --- stopped by SIGSTOP ---
[pid 14125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14125] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14129 attached
, child_tidptr=0x5555574e8650) = 14129
[pid 14129] set_robust_list(0x5555574e8660, 24) = 0
[pid 14129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14129] setpgid(0, 0)               = 0
[pid 14129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14129] write(3, "1000", 4)         = 4
[pid 14129] close(3)                    = 0
[pid 14129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.502446][T14125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14129] close(5)                    = 0
[pid 14129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14132 attached
) = 14132
[pid 14129] tkill(14132, SIGSTOP)       = 0
[pid 14132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14129, si_uid=65534} ---
[pid 14129] exit_group(0 <unfinished ...>
[pid 14132] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14129] <... exit_group resumed>)   = ?
[pid 14129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14129, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14133 attached
, child_tidptr=0x5555574e8650) = 14133
[pid 14133] set_robust_list(0x5555574e8660, 24) = 0
[pid 14133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14133] setpgid(0, 0)               = 0
[pid 14133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14133] write(3, "1000", 4)         = 4
[pid 14133] close(3)                    = 0
[pid 14133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.550147][T14129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14133] close(5)                    = 0
[pid 14133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14136 attached
) = 14136
[pid 14133] tkill(14136, SIGSTOP)       = 0
[pid 14136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14133, si_uid=65534} ---
[pid 14133] exit_group(0 <unfinished ...>
[pid 14136] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14133] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14137 attached
, child_tidptr=0x5555574e8650) = 14137
[pid 14137] set_robust_list(0x5555574e8660, 24) = 0
[pid 14137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14137] setpgid(0, 0)               = 0
[pid 14137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14137] write(3, "1000", 4)         = 4
[  182.608209][T14133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14137] close(3)                    = 0
[pid 14137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14137] close(5)                    = 0
[pid 14137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14140 attached
) = 14140
[pid 14137] tkill(14140, SIGSTOP)       = 0
[pid 14140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14137, si_uid=65534} ---
[pid 14137] exit_group(0 <unfinished ...>
[pid 14140] --- stopped by SIGSTOP ---
[pid 14137] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14141 attached
, child_tidptr=0x5555574e8650) = 14141
[pid 14141] set_robust_list(0x5555574e8660, 24) = 0
[pid 14141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14141] setpgid(0, 0)               = 0
[pid 14141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14141] write(3, "1000", 4)         = 4
[pid 14141] close(3)                    = 0
[pid 14141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.679267][T14137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14141] close(5)                    = 0
[pid 14141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14144 attached
) = 14144
[pid 14141] tkill(14144, SIGSTOP)       = 0
[pid 14144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14141, si_uid=65534} ---
[pid 14141] exit_group(0 <unfinished ...>
[pid 14144] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14141] <... exit_group resumed>)   = ?
[pid 14141] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14145 attached
, child_tidptr=0x5555574e8650) = 14145
[pid 14145] set_robust_list(0x5555574e8660, 24) = 0
[pid 14145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14145] setpgid(0, 0)               = 0
[pid 14145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14145] write(3, "1000", 4)         = 4
[pid 14145] close(3)                    = 0
[pid 14145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.733761][T14141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14145] close(5)                    = 0
[pid 14145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14148 attached
) = 14148
[pid 14145] tkill(14148, SIGSTOP)       = 0
[pid 14145] exit_group(0 <unfinished ...>
[pid 14148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14145, si_uid=65534} ---
[pid 14145] <... exit_group resumed>)   = ?
[pid 14148] --- stopped by SIGSTOP ---
[pid 14145] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14149 attached
, child_tidptr=0x5555574e8650) = 14149
[pid 14149] set_robust_list(0x5555574e8660, 24) = 0
[pid 14149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14149] setpgid(0, 0)               = 0
[pid 14149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14149] write(3, "1000", 4)         = 4
[pid 14149] close(3)                    = 0
[pid 14149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.785896][T14145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14149] close(5)                    = 0
[pid 14149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14152 attached
) = 14152
[pid 14149] tkill(14152, SIGSTOP)       = 0
[pid 14152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14149, si_uid=65534} ---
[pid 14149] exit_group(0 <unfinished ...>
[pid 14152] --- stopped by SIGSTOP ---
[pid 14149] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14149, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14153 attached
, child_tidptr=0x5555574e8650) = 14153
[pid 14153] set_robust_list(0x5555574e8660, 24) = 0
[pid 14153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14153] setpgid(0, 0)               = 0
[pid 14153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14153] write(3, "1000", 4)         = 4
[pid 14153] close(3)                    = 0
[pid 14153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.835153][T14149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14153] close(5)                    = 0
[pid 14153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14156 attached
) = 14156
[pid 14153] tkill(14156, SIGSTOP)       = 0
[pid 14156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14153, si_uid=65534} ---
[pid 14153] exit_group(0 <unfinished ...>
[pid 14156] --- stopped by SIGSTOP ---
[pid 14153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14153] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14157 attached
, child_tidptr=0x5555574e8650) = 14157
[pid 14157] set_robust_list(0x5555574e8660, 24) = 0
[pid 14157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14157] setpgid(0, 0)               = 0
[pid 14157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14157] write(3, "1000", 4)         = 4
[pid 14157] close(3)                    = 0
[pid 14157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.888841][T14153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14157] close(5)                    = 0
[pid 14157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14160 attached
) = 14160
[pid 14157] tkill(14160, SIGSTOP)       = 0
[pid 14160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14157, si_uid=65534} ---
[pid 14157] exit_group(0 <unfinished ...>
[pid 14160] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14157] <... exit_group resumed>)   = ?
[pid 14157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14157, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14161 attached
, child_tidptr=0x5555574e8650) = 14161
[pid 14161] set_robust_list(0x5555574e8660, 24) = 0
[pid 14161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14161] setpgid(0, 0)               = 0
[pid 14161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14161] write(3, "1000", 4)         = 4
[pid 14161] close(3)                    = 0
[pid 14161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  182.942615][T14157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14161] close(5)                    = 0
[pid 14161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14164 attached
) = 14164
[pid 14161] tkill(14164, SIGSTOP)       = 0
[pid 14164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14161, si_uid=65534} ---
[pid 14161] exit_group(0 <unfinished ...>
[pid 14164] --- stopped by SIGSTOP ---
[pid 14161] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14161] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14165 attached
, child_tidptr=0x5555574e8650) = 14165
[pid 14165] set_robust_list(0x5555574e8660, 24) = 0
[pid 14165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14165] setpgid(0, 0)               = 0
[pid 14165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14165] write(3, "1000", 4)         = 4
[pid 14165] close(3)                    = 0
[pid 14165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.000922][T14161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14165] close(5)                    = 0
[pid 14165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14168 attached
) = 14168
[pid 14165] tkill(14168, SIGSTOP)       = 0
[pid 14168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14165, si_uid=65534} ---
[pid 14168] --- stopped by SIGSTOP ---
[pid 14165] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14165] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14165] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14169 attached
, child_tidptr=0x5555574e8650) = 14169
[pid 14169] set_robust_list(0x5555574e8660, 24) = 0
[pid 14169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14169] setpgid(0, 0)               = 0
[pid 14169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14169] write(3, "1000", 4)         = 4
[pid 14169] close(3)                    = 0
[pid 14169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.052363][T14165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14169] close(5)                    = 0
[pid 14169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14172 attached
) = 14172
[pid 14169] tkill(14172, SIGSTOP)       = 0
[pid 14172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14169, si_uid=65534} ---
[pid 14169] exit_group(0 <unfinished ...>
[pid 14172] --- stopped by SIGSTOP ---
[pid 14169] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14169] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14173 attached
, child_tidptr=0x5555574e8650) = 14173
[pid 14173] set_robust_list(0x5555574e8660, 24) = 0
[pid 14173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14173] setpgid(0, 0)               = 0
[pid 14173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14173] write(3, "1000", 4)         = 4
[pid 14173] close(3)                    = 0
[pid 14173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.099008][T14169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14173] close(5)                    = 0
[pid 14173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14176 attached
) = 14176
[pid 14173] tkill(14176, SIGSTOP)       = 0
[pid 14176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14173, si_uid=65534} ---
[pid 14176] --- stopped by SIGSTOP ---
[pid 14173] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14173] <... exit_group resumed>)   = ?
[pid 14173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14177 attached
, child_tidptr=0x5555574e8650) = 14177
[pid 14177] set_robust_list(0x5555574e8660, 24) = 0
[pid 14177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14177] setpgid(0, 0)               = 0
[pid 14177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14177] write(3, "1000", 4)         = 4
[pid 14177] close(3)                    = 0
[pid 14177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.162060][T14173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14177] close(5)                    = 0
[pid 14177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14180 attached
) = 14180
[pid 14177] tkill(14180, SIGSTOP)       = 0
[pid 14180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14177, si_uid=65534} ---
[pid 14177] exit_group(0 <unfinished ...>
[pid 14180] --- stopped by SIGSTOP ---
[pid 14177] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14181 attached
, child_tidptr=0x5555574e8650) = 14181
[pid 14181] set_robust_list(0x5555574e8660, 24) = 0
[pid 14181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14181] setpgid(0, 0)               = 0
[pid 14181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14181] write(3, "1000", 4)         = 4
[pid 14181] close(3)                    = 0
[pid 14181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.223086][T14177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14181] close(5)                    = 0
[pid 14181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14184 attached
) = 14184
[pid 14181] tkill(14184, SIGSTOP)       = 0
[pid 14184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14181, si_uid=65534} ---
[pid 14181] exit_group(0 <unfinished ...>
[pid 14184] --- stopped by SIGSTOP ---
[pid 14181] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14181, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14185 attached
, child_tidptr=0x5555574e8650) = 14185
[pid 14185] set_robust_list(0x5555574e8660, 24) = 0
[pid 14185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14185] setpgid(0, 0)               = 0
[pid 14185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14185] write(3, "1000", 4)         = 4
[pid 14185] close(3)                    = 0
[pid 14185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.275756][T14181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14185] close(5)                    = 0
[pid 14185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14188 attached
) = 14188
[pid 14185] tkill(14188, SIGSTOP)       = 0
[pid 14188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14185, si_uid=65534} ---
[pid 14185] exit_group(0 <unfinished ...>
[pid 14188] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14185] <... exit_group resumed>)   = ?
[pid 14185] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14189 attached
, child_tidptr=0x5555574e8650) = 14189
[pid 14189] set_robust_list(0x5555574e8660, 24) = 0
[pid 14189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14189] setpgid(0, 0)               = 0
[pid 14189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14189] write(3, "1000", 4)         = 4
[pid 14189] close(3)                    = 0
[pid 14189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.337949][T14185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14189] close(5)                    = 0
[pid 14189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14192 attached
) = 14192
[pid 14189] tkill(14192, SIGSTOP)       = 0
[pid 14192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14189, si_uid=65534} ---
[pid 14189] exit_group(0)               = ?
[pid 14192] --- stopped by SIGSTOP ---
[pid 14189] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14193 attached
, child_tidptr=0x5555574e8650) = 14193
[pid 14193] set_robust_list(0x5555574e8660, 24) = 0
[pid 14193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14193] setpgid(0, 0)               = 0
[pid 14193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14193] write(3, "1000", 4)         = 4
[pid 14193] close(3)                    = 0
[pid 14193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.411976][T14189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14193] close(5)                    = 0
[pid 14193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14196 attached
) = 14196
[pid 14193] tkill(14196, SIGSTOP)       = 0
[pid 14196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14193, si_uid=65534} ---
[pid 14193] exit_group(0 <unfinished ...>
[pid 14196] --- stopped by SIGSTOP ---
[pid 14193] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14193, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14197 attached
, child_tidptr=0x5555574e8650) = 14197
[pid 14197] set_robust_list(0x5555574e8660, 24) = 0
[pid 14197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14197] setpgid(0, 0)               = 0
[pid 14197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14197] write(3, "1000", 4)         = 4
[pid 14197] close(3)                    = 0
[pid 14197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  183.475282][T14193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14197] close(5)                    = 0
[pid 14197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14200 attached
) = 14200
[pid 14197] tkill(14200, SIGSTOP)       = 0
[pid 14200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14197, si_uid=65534} ---
[pid 14197] exit_group(0 <unfinished ...>
[pid 14200] --- stopped by SIGSTOP ---
[pid 14197] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14201 attached
, child_tidptr=0x5555574e8650) = 14201
[pid 14201] set_robust_list(0x5555574e8660, 24) = 0
[pid 14201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14201] setpgid(0, 0)               = 0
[pid 14201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14201] write(3, "1000", 4)         = 4
[pid 14201] close(3)                    = 0
[pid 14201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.540286][T14197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14201] close(5)                    = 0
[pid 14201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14204 attached
) = 14204
[pid 14201] tkill(14204, SIGSTOP)       = 0
[pid 14204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14201, si_uid=65534} ---
[pid 14201] exit_group(0 <unfinished ...>
[pid 14204] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14201] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14205 attached
, child_tidptr=0x5555574e8650) = 14205
[pid 14205] set_robust_list(0x5555574e8660, 24) = 0
[pid 14205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14205] setpgid(0, 0)               = 0
[pid 14205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14205] write(3, "1000", 4)         = 4
[pid 14205] close(3)                    = 0
[pid 14205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.590563][T14201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14205] close(5)                    = 0
[pid 14205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14208 attached
) = 14208
[pid 14205] tkill(14208, SIGSTOP)       = 0
[pid 14208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14205, si_uid=65534} ---
[pid 14205] exit_group(0 <unfinished ...>
[pid 14208] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14205] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14209 attached
, child_tidptr=0x5555574e8650) = 14209
[pid 14209] set_robust_list(0x5555574e8660, 24) = 0
[pid 14209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14209] setpgid(0, 0)               = 0
[pid 14209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14209] write(3, "1000", 4)         = 4
[pid 14209] close(3)                    = 0
[pid 14209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.643055][T14205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14209] close(5)                    = 0
[pid 14209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14212 attached
) = 14212
[pid 14209] tkill(14212, SIGSTOP)       = 0
[pid 14212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14209, si_uid=65534} ---
[pid 14209] exit_group(0 <unfinished ...>
[pid 14212] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14209] <... exit_group resumed>)   = ?
[pid 14209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14213 attached
, child_tidptr=0x5555574e8650) = 14213
[pid 14213] set_robust_list(0x5555574e8660, 24) = 0
[pid 14213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14213] setpgid(0, 0)               = 0
[pid 14213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14213] write(3, "1000", 4)         = 4
[pid 14213] close(3)                    = 0
[pid 14213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.693679][T14209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14213] close(5)                    = 0
[pid 14213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14216 attached
) = 14216
[pid 14213] tkill(14216, SIGSTOP)       = 0
[pid 14216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14213, si_uid=65534} ---
[pid 14213] exit_group(0 <unfinished ...>
[pid 14216] --- stopped by SIGSTOP ---
[pid 14213] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14213] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14213, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14217 attached
, child_tidptr=0x5555574e8650) = 14217
[pid 14217] set_robust_list(0x5555574e8660, 24) = 0
[pid 14217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14217] setpgid(0, 0)               = 0
[pid 14217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14217] write(3, "1000", 4)         = 4
[pid 14217] close(3)                    = 0
[pid 14217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.754624][T14213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14217] close(5)                    = 0
[pid 14217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14220 attached
) = 14220
[pid 14217] tkill(14220, SIGSTOP)       = 0
[pid 14220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14217, si_uid=65534} ---
[pid 14217] exit_group(0 <unfinished ...>
[pid 14220] --- stopped by SIGSTOP ---
[pid 14217] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14217, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14221 attached
, child_tidptr=0x5555574e8650) = 14221
[pid 14221] set_robust_list(0x5555574e8660, 24) = 0
[pid 14221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14221] setpgid(0, 0)               = 0
[pid 14221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14221] write(3, "1000", 4)         = 4
[pid 14221] close(3)                    = 0
[pid 14221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.805167][T14217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14221] close(5)                    = 0
[pid 14221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14224 attached
) = 14224
[pid 14221] tkill(14224, SIGSTOP)       = 0
[pid 14224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14221, si_uid=65534} ---
[pid 14221] exit_group(0 <unfinished ...>
[pid 14224] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14221] <... exit_group resumed>)   = ?
[pid 14221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14221, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14225 attached
, child_tidptr=0x5555574e8650) = 14225
[pid 14225] set_robust_list(0x5555574e8660, 24) = 0
[pid 14225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14225] setpgid(0, 0)               = 0
[pid 14225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14225] write(3, "1000", 4)         = 4
[pid 14225] close(3)                    = 0
[pid 14225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.859306][T14221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14225] close(5)                    = 0
[pid 14225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14228 attached
) = 14228
[pid 14225] tkill(14228, SIGSTOP)       = 0
[pid 14228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14225, si_uid=65534} ---
[pid 14225] exit_group(0 <unfinished ...>
[pid 14228] --- stopped by SIGSTOP ---
[pid 14225] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14225] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14225, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14229 attached
, child_tidptr=0x5555574e8650) = 14229
[pid 14229] set_robust_list(0x5555574e8660, 24) = 0
[pid 14229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14229] setpgid(0, 0)               = 0
[pid 14229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  183.910892][T14225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14229] write(3, "1000", 4)         = 4
[pid 14229] close(3)                    = 0
[pid 14229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14229] close(5)                    = 0
[pid 14229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14232 attached
) = 14232
[pid 14229] tkill(14232, SIGSTOP)       = 0
[pid 14232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14229, si_uid=65534} ---
[pid 14229] exit_group(0 <unfinished ...>
[pid 14232] --- stopped by SIGSTOP ---
[pid 14229] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14233 attached
, child_tidptr=0x5555574e8650) = 14233
[pid 14233] set_robust_list(0x5555574e8660, 24) = 0
[pid 14233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14233] setpgid(0, 0)               = 0
[pid 14233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14233] write(3, "1000", 4)         = 4
[pid 14233] close(3)                    = 0
[pid 14233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  183.983340][T14229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14233] close(5)                    = 0
[pid 14233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14236 attached
) = 14236
[pid 14233] tkill(14236, SIGSTOP)       = 0
[pid 14236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14233, si_uid=65534} ---
[pid 14233] exit_group(0 <unfinished ...>
[pid 14236] --- stopped by SIGSTOP ---
[pid 14233] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14233] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14237 attached
, child_tidptr=0x5555574e8650) = 14237
[pid 14237] set_robust_list(0x5555574e8660, 24) = 0
[pid 14237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14237] setpgid(0, 0)               = 0
[pid 14237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14237] write(3, "1000", 4)         = 4
[pid 14237] close(3)                    = 0
[pid 14237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.042594][T14233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14237] close(5)                    = 0
[pid 14237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14240 attached
) = 14240
[pid 14237] tkill(14240, SIGSTOP)       = 0
[pid 14237] exit_group(0 <unfinished ...>
[pid 14240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14237, si_uid=65534} ---
[pid 14237] <... exit_group resumed>)   = ?
[pid 14240] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14237] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14237, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14241 attached
, child_tidptr=0x5555574e8650) = 14241
[pid 14241] set_robust_list(0x5555574e8660, 24) = 0
[pid 14241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14241] setpgid(0, 0)               = 0
[pid 14241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14241] write(3, "1000", 4)         = 4
[pid 14241] close(3)                    = 0
[pid 14241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.091478][T14237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14241] close(5)                    = 0
[pid 14241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14244 attached
) = 14244
[pid 14241] tkill(14244, SIGSTOP)       = 0
[pid 14244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14241, si_uid=65534} ---
[pid 14241] exit_group(0 <unfinished ...>
[pid 14244] --- stopped by SIGSTOP ---
[pid 14241] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14241] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14245 attached
, child_tidptr=0x5555574e8650) = 14245
[pid 14245] set_robust_list(0x5555574e8660, 24) = 0
[pid 14245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14245] setpgid(0, 0)               = 0
[pid 14245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14245] write(3, "1000", 4)         = 4
[pid 14245] close(3)                    = 0
[pid 14245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.142020][T14241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14245] close(5)                    = 0
[pid 14245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14248 attached
) = 14248
[pid 14245] tkill(14248, SIGSTOP)       = 0
[pid 14248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14245, si_uid=65534} ---
[pid 14245] exit_group(0 <unfinished ...>
[pid 14248] --- stopped by SIGSTOP ---
[pid 14245] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14245, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14249 attached
, child_tidptr=0x5555574e8650) = 14249
[pid 14249] set_robust_list(0x5555574e8660, 24) = 0
[pid 14249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14249] setpgid(0, 0)               = 0
[pid 14249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14249] write(3, "1000", 4)         = 4
[pid 14249] close(3)                    = 0
[pid 14249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  184.195270][T14245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14249] close(5)                    = 0
[pid 14249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14252 attached
) = 14252
[pid 14249] tkill(14252, SIGSTOP)       = 0
[pid 14252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14249, si_uid=65534} ---
[pid 14249] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14252] --- stopped by SIGSTOP ---
[pid 14249] <... exit_group resumed>)   = ?
[pid 14249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14249, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14253 attached
, child_tidptr=0x5555574e8650) = 14253
[pid 14253] set_robust_list(0x5555574e8660, 24) = 0
[pid 14253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14253] setpgid(0, 0)               = 0
[pid 14253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14253] write(3, "1000", 4)         = 4
[pid 14253] close(3)                    = 0
[pid 14253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.260593][T14249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14253] close(5)                    = 0
[pid 14253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14256 attached
) = 14256
[pid 14253] tkill(14256, SIGSTOP)       = 0
[pid 14256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14253, si_uid=65534} ---
[pid 14253] exit_group(0 <unfinished ...>
[pid 14256] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14253] <... exit_group resumed>)   = ?
[pid 14253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14253, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14257 attached
, child_tidptr=0x5555574e8650) = 14257
[pid 14257] set_robust_list(0x5555574e8660, 24) = 0
[pid 14257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14257] setpgid(0, 0)               = 0
[pid 14257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14257] write(3, "1000", 4)         = 4
[pid 14257] close(3)                    = 0
[pid 14257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.313687][T14253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14257] close(5)                    = 0
[pid 14257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14260 attached
) = 14260
[pid 14257] tkill(14260, SIGSTOP)       = 0
[pid 14257] exit_group(0 <unfinished ...>
[pid 14260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14257, si_uid=65534} ---
[pid 14257] <... exit_group resumed>)   = ?
[pid 14260] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14257] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14261 attached
, child_tidptr=0x5555574e8650) = 14261
[pid 14261] set_robust_list(0x5555574e8660, 24) = 0
[pid 14261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14261] setpgid(0, 0)               = 0
[pid 14261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14261] write(3, "1000", 4)         = 4
[pid 14261] close(3)                    = 0
[pid 14261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.368174][T14257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14261] close(5)                    = 0
[pid 14261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14264 attached
) = 14264
[pid 14261] tkill(14264, SIGSTOP)       = 0
[pid 14261] exit_group(0 <unfinished ...>
[pid 14264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14261, si_uid=65534} ---
[pid 14261] <... exit_group resumed>)   = ?
[pid 14264] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14265 attached
, child_tidptr=0x5555574e8650) = 14265
[pid 14265] set_robust_list(0x5555574e8660, 24) = 0
[pid 14265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14265] setpgid(0, 0)               = 0
[pid 14265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14265] write(3, "1000", 4)         = 4
[pid 14265] close(3)                    = 0
[pid 14265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.416124][T14261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14265] close(5)                    = 0
[pid 14265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14268 attached
) = 14268
[pid 14265] tkill(14268, SIGSTOP)       = 0
[pid 14268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14265, si_uid=65534} ---
[pid 14265] exit_group(0 <unfinished ...>
[pid 14268] --- stopped by SIGSTOP ---
[pid 14265] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14269 attached
, child_tidptr=0x5555574e8650) = 14269
[pid 14269] set_robust_list(0x5555574e8660, 24) = 0
[pid 14269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14269] setpgid(0, 0)               = 0
[pid 14269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14269] write(3, "1000", 4)         = 4
[pid 14269] close(3)                    = 0
[pid 14269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.467025][T14265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14269] close(5)                    = 0
[pid 14269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14272 attached
) = 14272
[pid 14269] tkill(14272, SIGSTOP)       = 0
[pid 14269] exit_group(0 <unfinished ...>
[pid 14272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14269, si_uid=65534} ---
[pid 14272] --- stopped by SIGSTOP ---
[pid 14269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14269] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14269, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14273 attached
, child_tidptr=0x5555574e8650) = 14273
[pid 14273] set_robust_list(0x5555574e8660, 24) = 0
[pid 14273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14273] setpgid(0, 0)               = 0
[pid 14273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14273] write(3, "1000", 4)         = 4
[pid 14273] close(3)                    = 0
[pid 14273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.514785][T14269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14273] close(5)                    = 0
[pid 14273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14276 attached
) = 14276
[pid 14273] tkill(14276, SIGSTOP)       = 0
[pid 14276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14273, si_uid=65534} ---
[pid 14273] exit_group(0 <unfinished ...>
[pid 14276] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14273] <... exit_group resumed>)   = ?
[pid 14273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14273, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14277 attached
, child_tidptr=0x5555574e8650) = 14277
[pid 14277] set_robust_list(0x5555574e8660, 24) = 0
[pid 14277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14277] setpgid(0, 0)               = 0
[pid 14277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14277] write(3, "1000", 4)         = 4
[pid 14277] close(3)                    = 0
[pid 14277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.565618][T14273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14277] close(5)                    = 0
[pid 14277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14280 attached
) = 14280
[pid 14277] tkill(14280, SIGSTOP)       = 0
[pid 14280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14277, si_uid=65534} ---
[pid 14277] exit_group(0 <unfinished ...>
[pid 14280] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14277] <... exit_group resumed>)   = ?
[pid 14277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14281 attached
, child_tidptr=0x5555574e8650) = 14281
[pid 14281] set_robust_list(0x5555574e8660, 24) = 0
[pid 14281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14281] setpgid(0, 0)               = 0
[pid 14281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14281] write(3, "1000", 4)         = 4
[pid 14281] close(3)                    = 0
[pid 14281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.618195][T14277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14281] close(5)                    = 0
[pid 14281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14284 attached
) = 14284
[pid 14281] tkill(14284, SIGSTOP)       = 0
[pid 14281] exit_group(0 <unfinished ...>
[pid 14284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14281, si_uid=65534} ---
[pid 14281] <... exit_group resumed>)   = ?
[pid 14284] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14285 attached
, child_tidptr=0x5555574e8650) = 14285
[pid 14285] set_robust_list(0x5555574e8660, 24) = 0
[pid 14285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14285] setpgid(0, 0)               = 0
[pid 14285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14285] write(3, "1000", 4)         = 4
[pid 14285] close(3)                    = 0
[pid 14285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.669148][T14281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14285] close(5)                    = 0
[pid 14285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14288 attached
) = 14288
[pid 14285] tkill(14288, SIGSTOP)       = 0
[pid 14285] exit_group(0 <unfinished ...>
[pid 14288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14285, si_uid=65534} ---
[pid 14285] <... exit_group resumed>)   = ?
[pid 14288] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14289 attached
, child_tidptr=0x5555574e8650) = 14289
[pid 14289] set_robust_list(0x5555574e8660, 24) = 0
[pid 14289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14289] setpgid(0, 0)               = 0
[pid 14289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14289] write(3, "1000", 4)         = 4
[pid 14289] close(3)                    = 0
[pid 14289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.717325][T14285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14289] close(5)                    = 0
[pid 14289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14292 attached
) = 14292
[pid 14289] tkill(14292, SIGSTOP)       = 0
[pid 14292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14289, si_uid=65534} ---
[pid 14289] exit_group(0 <unfinished ...>
[pid 14292] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14289] <... exit_group resumed>)   = ?
[pid 14289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14293 attached
, child_tidptr=0x5555574e8650) = 14293
[pid 14293] set_robust_list(0x5555574e8660, 24) = 0
[pid 14293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14293] setpgid(0, 0)               = 0
[pid 14293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14293] write(3, "1000", 4)         = 4
[pid 14293] close(3)                    = 0
[pid 14293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.767796][T14289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14293] close(5)                    = 0
[pid 14293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14296 attached
) = 14296
[pid 14293] tkill(14296, SIGSTOP)       = 0
[pid 14296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14293, si_uid=65534} ---
[pid 14293] exit_group(0 <unfinished ...>
[pid 14296] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14293] <... exit_group resumed>)   = ?
[pid 14293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14293, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14297 attached
, child_tidptr=0x5555574e8650) = 14297
[pid 14297] set_robust_list(0x5555574e8660, 24) = 0
[pid 14297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14297] setpgid(0, 0)               = 0
[pid 14297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14297] write(3, "1000", 4)         = 4
[pid 14297] close(3)                    = 0
[pid 14297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.830212][T14293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14297] close(5)                    = 0
[pid 14297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14300 attached
) = 14300
[pid 14297] tkill(14300, SIGSTOP)       = 0
[pid 14297] exit_group(0 <unfinished ...>
[pid 14300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14297, si_uid=65534} ---
[pid 14297] <... exit_group resumed>)   = ?
[pid 14300] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14301 attached
, child_tidptr=0x5555574e8650) = 14301
[pid 14301] set_robust_list(0x5555574e8660, 24) = 0
[pid 14301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14301] setpgid(0, 0)               = 0
[pid 14301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14301] write(3, "1000", 4)         = 4
[pid 14301] close(3)                    = 0
[pid 14301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.878783][T14297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14301] close(5)                    = 0
[pid 14301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14304 attached
) = 14304
[pid 14301] tkill(14304, SIGSTOP)       = 0
[pid 14304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14301, si_uid=65534} ---
[pid 14301] exit_group(0 <unfinished ...>
[pid 14304] --- stopped by SIGSTOP ---
[pid 14301] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14301] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14305 attached
, child_tidptr=0x5555574e8650) = 14305
[pid 14305] set_robust_list(0x5555574e8660, 24) = 0
[pid 14305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14305] setpgid(0, 0)               = 0
[pid 14305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14305] write(3, "1000", 4)         = 4
[pid 14305] close(3)                    = 0
[pid 14305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.941333][T14301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14305] close(5)                    = 0
[pid 14305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14308 attached
) = 14308
[pid 14305] tkill(14308, SIGSTOP)       = 0
[pid 14308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14305, si_uid=65534} ---
[pid 14305] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14308] --- stopped by SIGSTOP ---
[pid 14305] <... exit_group resumed>)   = ?
[pid 14305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14309 attached
, child_tidptr=0x5555574e8650) = 14309
[pid 14309] set_robust_list(0x5555574e8660, 24) = 0
[pid 14309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14309] setpgid(0, 0)               = 0
[pid 14309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14309] write(3, "1000", 4)         = 4
[pid 14309] close(3)                    = 0
[pid 14309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  184.992014][T14305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14309] close(5)                    = 0
[pid 14309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14312 attached
) = 14312
[pid 14309] tkill(14312, SIGSTOP)       = 0
[pid 14312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14309, si_uid=65534} ---
[pid 14309] exit_group(0 <unfinished ...>
[pid 14312] --- stopped by SIGSTOP ---
[pid 14309] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14309] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14309, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14313 attached
, child_tidptr=0x5555574e8650) = 14313
[pid 14313] set_robust_list(0x5555574e8660, 24) = 0
[pid 14313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14313] setpgid(0, 0)               = 0
[pid 14313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14313] write(3, "1000", 4)         = 4
[pid 14313] close(3)                    = 0
[pid 14313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.042464][T14309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14313] close(5)                    = 0
[pid 14313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14316 attached
) = 14316
[pid 14313] tkill(14316, SIGSTOP)       = 0
[pid 14316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14313, si_uid=65534} ---
[pid 14313] exit_group(0 <unfinished ...>
[pid 14316] --- stopped by SIGSTOP ---
[pid 14313] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14313] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14313, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14317 attached
, child_tidptr=0x5555574e8650) = 14317
[pid 14317] set_robust_list(0x5555574e8660, 24) = 0
[pid 14317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14317] setpgid(0, 0)               = 0
[pid 14317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14317] write(3, "1000", 4)         = 4
[pid 14317] close(3)                    = 0
[pid 14317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.093254][T14313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14317] close(5)                    = 0
[pid 14317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14320 attached
) = 14320
[pid 14317] tkill(14320, SIGSTOP)       = 0
[pid 14320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14317, si_uid=65534} ---
[pid 14317] exit_group(0 <unfinished ...>
[pid 14320] --- stopped by SIGSTOP ---
[pid 14317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14317, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14321 attached
, child_tidptr=0x5555574e8650) = 14321
[pid 14321] set_robust_list(0x5555574e8660, 24) = 0
[pid 14321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14321] setpgid(0, 0)               = 0
[pid 14321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14321] write(3, "1000", 4)         = 4
[pid 14321] close(3)                    = 0
[pid 14321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.151424][T14317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14321] close(5)                    = 0
[pid 14321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14324 attached
) = 14324
[pid 14321] tkill(14324, SIGSTOP)       = 0
[pid 14324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14321, si_uid=65534} ---
[pid 14321] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14324] --- stopped by SIGSTOP ---
[pid 14321] <... exit_group resumed>)   = ?
[pid 14321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14325 attached
, child_tidptr=0x5555574e8650) = 14325
[pid 14325] set_robust_list(0x5555574e8660, 24) = 0
[pid 14325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14325] setpgid(0, 0)               = 0
[pid 14325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14325] write(3, "1000", 4)         = 4
[pid 14325] close(3)                    = 0
[pid 14325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.213971][T14321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14325] close(5)                    = 0
[pid 14325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14328 attached
) = 14328
[pid 14325] tkill(14328, SIGSTOP)       = 0
[pid 14325] exit_group(0 <unfinished ...>
[pid 14328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14325, si_uid=65534} ---
[pid 14325] <... exit_group resumed>)   = ?
[pid 14328] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14325, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14329 attached
, child_tidptr=0x5555574e8650) = 14329
[pid 14329] set_robust_list(0x5555574e8660, 24) = 0
[pid 14329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14329] setpgid(0, 0)               = 0
[pid 14329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14329] write(3, "1000", 4)         = 4
[pid 14329] close(3)                    = 0
[pid 14329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.271158][T14325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14329] close(5)                    = 0
[pid 14329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14332 attached
) = 14332
[pid 14329] tkill(14332, SIGSTOP)       = 0
[pid 14332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14329, si_uid=65534} ---
[pid 14329] exit_group(0 <unfinished ...>
[pid 14332] --- stopped by SIGSTOP ---
[pid 14329] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14333 attached
, child_tidptr=0x5555574e8650) = 14333
[pid 14333] set_robust_list(0x5555574e8660, 24) = 0
[pid 14333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14333] setpgid(0, 0)               = 0
[pid 14333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14333] write(3, "1000", 4)         = 4
[pid 14333] close(3)                    = 0
[pid 14333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.318913][T14329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14333] close(5)                    = 0
[pid 14333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14336 attached
) = 14336
[pid 14333] tkill(14336, SIGSTOP)       = 0
[pid 14333] exit_group(0 <unfinished ...>
[pid 14336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14333, si_uid=65534} ---
[pid 14333] <... exit_group resumed>)   = ?
[pid 14336] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14333] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14337 attached
, child_tidptr=0x5555574e8650) = 14337
[pid 14337] set_robust_list(0x5555574e8660, 24) = 0
[pid 14337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14337] setpgid(0, 0)               = 0
[pid 14337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14337] write(3, "1000", 4)         = 4
[pid 14337] close(3)                    = 0
[pid 14337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.370219][T14333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14337] close(5)                    = 0
[pid 14337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14340 attached
) = 14340
[pid 14337] tkill(14340, SIGSTOP)       = 0
[pid 14337] exit_group(0 <unfinished ...>
[pid 14340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14337, si_uid=65534} ---
[pid 14337] <... exit_group resumed>)   = ?
[pid 14340] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14341 attached
, child_tidptr=0x5555574e8650) = 14341
[pid 14341] set_robust_list(0x5555574e8660, 24) = 0
[pid 14341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14341] setpgid(0, 0)               = 0
[pid 14341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14341] write(3, "1000", 4)         = 4
[pid 14341] close(3)                    = 0
[pid 14341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.431331][T14337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14341] close(5)                    = 0
[pid 14341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14344 attached
) = 14344
[pid 14341] tkill(14344, SIGSTOP)       = 0
[pid 14344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14341, si_uid=65534} ---
[pid 14341] exit_group(0 <unfinished ...>
[pid 14344] --- stopped by SIGSTOP ---
[pid 14341] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14345 attached
, child_tidptr=0x5555574e8650) = 14345
[pid 14345] set_robust_list(0x5555574e8660, 24) = 0
[pid 14345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14345] setpgid(0, 0)               = 0
[pid 14345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14345] write(3, "1000", 4)         = 4
[pid 14345] close(3)                    = 0
[pid 14345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.478458][T14341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14345] close(5)                    = 0
[pid 14345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14348 attached
) = 14348
[pid 14345] tkill(14348, SIGSTOP)       = 0
[pid 14348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14345, si_uid=65534} ---
[pid 14345] exit_group(0 <unfinished ...>
[pid 14348] --- stopped by SIGSTOP ---
[pid 14345] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14345] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14345, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14349 attached
, child_tidptr=0x5555574e8650) = 14349
[pid 14349] set_robust_list(0x5555574e8660, 24) = 0
[pid 14349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14349] setpgid(0, 0)               = 0
[pid 14349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14349] write(3, "1000", 4)         = 4
[pid 14349] close(3)                    = 0
[pid 14349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.541080][T14345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14349] close(5)                    = 0
[pid 14349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14352 attached
) = 14352
[pid 14349] tkill(14352, SIGSTOP)       = 0
[pid 14352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14349, si_uid=65534} ---
[pid 14349] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14352] --- stopped by SIGSTOP ---
[pid 14349] <... exit_group resumed>)   = ?
[pid 14349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14349, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14353 attached
, child_tidptr=0x5555574e8650) = 14353
[pid 14353] set_robust_list(0x5555574e8660, 24) = 0
[pid 14353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14353] setpgid(0, 0)               = 0
[pid 14353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  185.595591][T14349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14353] write(3, "1000", 4)         = 4
[pid 14353] close(3)                    = 0
[pid 14353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14353] close(5)                    = 0
[pid 14353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14356 attached
) = 14356
[pid 14353] tkill(14356, SIGSTOP)       = 0
[pid 14356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14353, si_uid=65534} ---
[pid 14356] --- stopped by SIGSTOP ---
[pid 14353] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14353] <... exit_group resumed>)   = ?
[pid 14353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14357 attached
, child_tidptr=0x5555574e8650) = 14357
[pid 14357] set_robust_list(0x5555574e8660, 24) = 0
[pid 14357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14357] setpgid(0, 0)               = 0
[pid 14357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14357] write(3, "1000", 4)         = 4
[pid 14357] close(3)                    = 0
[pid 14357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.666111][T14353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14357] close(5)                    = 0
[pid 14357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14360 attached
) = 14360
[pid 14357] tkill(14360, SIGSTOP)       = 0
[pid 14360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14357, si_uid=65534} ---
[pid 14357] exit_group(0 <unfinished ...>
[pid 14360] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14357] <... exit_group resumed>)   = ?
[pid 14357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14357, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14361 attached
, child_tidptr=0x5555574e8650) = 14361
[pid 14361] set_robust_list(0x5555574e8660, 24) = 0
[pid 14361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14361] setpgid(0, 0)               = 0
[pid 14361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14361] write(3, "1000", 4)         = 4
[pid 14361] close(3)                    = 0
[pid 14361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.715253][T14357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14361] close(5)                    = 0
[pid 14361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14364 attached
) = 14364
[pid 14361] tkill(14364, SIGSTOP)       = 0
[pid 14364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14361, si_uid=65534} ---
[pid 14361] exit_group(0 <unfinished ...>
[pid 14364] --- stopped by SIGSTOP ---
[pid 14361] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14361] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14365 attached
, child_tidptr=0x5555574e8650) = 14365
[pid 14365] set_robust_list(0x5555574e8660, 24) = 0
[pid 14365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14365] setpgid(0, 0)               = 0
[pid 14365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14365] write(3, "1000", 4)         = 4
[pid 14365] close(3)                    = 0
[pid 14365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.768878][T14361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14365] close(5)                    = 0
[pid 14365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14368 attached
) = 14368
[pid 14365] tkill(14368, SIGSTOP)       = 0
[pid 14368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14365, si_uid=65534} ---
[pid 14365] exit_group(0 <unfinished ...>
[pid 14368] --- stopped by SIGSTOP ---
[pid 14365] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14365] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14369 attached
, child_tidptr=0x5555574e8650) = 14369
[pid 14369] set_robust_list(0x5555574e8660, 24) = 0
[pid 14369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14369] setpgid(0, 0)               = 0
[pid 14369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14369] write(3, "1000", 4)         = 4
[pid 14369] close(3)                    = 0
[pid 14369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.819542][T14365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14369] close(5)                    = 0
[pid 14369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14372 attached
) = 14372
[pid 14369] tkill(14372, SIGSTOP)       = 0
[pid 14369] exit_group(0 <unfinished ...>
[pid 14372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14369, si_uid=65534} ---
[pid 14369] <... exit_group resumed>)   = ?
[pid 14372] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14369, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14373 attached
, child_tidptr=0x5555574e8650) = 14373
[pid 14373] set_robust_list(0x5555574e8660, 24) = 0
[pid 14373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14373] setpgid(0, 0)               = 0
[pid 14373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14373] write(3, "1000", 4)         = 4
[pid 14373] close(3)                    = 0
[pid 14373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.871034][T14369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14373] close(5)                    = 0
[pid 14373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14376 attached
) = 14376
[pid 14373] tkill(14376, SIGSTOP)       = 0
[pid 14376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14373, si_uid=65534} ---
[pid 14373] exit_group(0 <unfinished ...>
[pid 14376] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14373] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14377 attached
, child_tidptr=0x5555574e8650) = 14377
[pid 14377] set_robust_list(0x5555574e8660, 24) = 0
[pid 14377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14377] setpgid(0, 0)               = 0
[pid 14377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14377] write(3, "1000", 4)         = 4
[pid 14377] close(3)                    = 0
[  185.924965][T14373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14377] close(5)                    = 0
[pid 14377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14380 attached
) = 14380
[pid 14377] tkill(14380, SIGSTOP)       = 0
[pid 14380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14377, si_uid=65534} ---
[pid 14377] exit_group(0 <unfinished ...>
[pid 14380] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14377] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14381 attached
, child_tidptr=0x5555574e8650) = 14381
[pid 14381] set_robust_list(0x5555574e8660, 24) = 0
[pid 14381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14381] setpgid(0, 0)               = 0
[pid 14381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14381] write(3, "1000", 4)         = 4
[pid 14381] close(3)                    = 0
[pid 14381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  185.992970][T14377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14381] close(5)                    = 0
[pid 14381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14384 attached
) = 14384
[pid 14381] tkill(14384, SIGSTOP)       = 0
[pid 14384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14381, si_uid=65534} ---
[pid 14381] exit_group(0 <unfinished ...>
[pid 14384] --- stopped by SIGSTOP ---
[pid 14381] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14385 attached
, child_tidptr=0x5555574e8650) = 14385
[pid 14385] set_robust_list(0x5555574e8660, 24) = 0
[pid 14385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14385] setpgid(0, 0)               = 0
[pid 14385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14385] write(3, "1000", 4)         = 4
[pid 14385] close(3)                    = 0
[pid 14385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.044352][T14381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14385] close(5)                    = 0
[pid 14385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14388 attached
) = 14388
[pid 14385] tkill(14388, SIGSTOP)       = 0
[pid 14388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14385, si_uid=65534} ---
[pid 14385] exit_group(0 <unfinished ...>
[pid 14388] --- stopped by SIGSTOP ---
[pid 14385] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14385, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14389 attached
, child_tidptr=0x5555574e8650) = 14389
[pid 14389] set_robust_list(0x5555574e8660, 24) = 0
[pid 14389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14389] setpgid(0, 0)               = 0
[pid 14389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14389] write(3, "1000", 4)         = 4
[pid 14389] close(3)                    = 0
[pid 14389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.105125][T14385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14389] close(5)                    = 0
[pid 14389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14392 attached
) = 14392
[pid 14389] tkill(14392, SIGSTOP)       = 0
[pid 14389] exit_group(0 <unfinished ...>
[pid 14392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14389, si_uid=65534} ---
[pid 14389] <... exit_group resumed>)   = ?
[pid 14392] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14393 attached
, child_tidptr=0x5555574e8650) = 14393
[pid 14393] set_robust_list(0x5555574e8660, 24) = 0
[pid 14393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14393] setpgid(0, 0)               = 0
[pid 14393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14393] write(3, "1000", 4)         = 4
[pid 14393] close(3)                    = 0
[pid 14393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.158889][T14389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14393] close(5)                    = 0
[pid 14393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14396 attached
) = 14396
[pid 14393] tkill(14396, SIGSTOP)       = 0
[pid 14396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14393, si_uid=65534} ---
[pid 14393] exit_group(0 <unfinished ...>
[pid 14396] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14393] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14393, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14397 attached
, child_tidptr=0x5555574e8650) = 14397
[pid 14397] set_robust_list(0x5555574e8660, 24) = 0
[pid 14397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14397] setpgid(0, 0)               = 0
[pid 14397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14397] write(3, "1000", 4)         = 4
[pid 14397] close(3)                    = 0
[pid 14397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.210147][T14393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14397] close(5)                    = 0
[pid 14397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14400 attached
) = 14400
[pid 14397] tkill(14400, SIGSTOP)       = 0
[pid 14400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14397, si_uid=65534} ---
[pid 14397] exit_group(0 <unfinished ...>
[pid 14400] --- stopped by SIGSTOP ---
[pid 14397] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14401 attached
, child_tidptr=0x5555574e8650) = 14401
[pid 14401] set_robust_list(0x5555574e8660, 24) = 0
[pid 14401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14401] setpgid(0, 0)               = 0
[pid 14401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14401] write(3, "1000", 4)         = 4
[pid 14401] close(3)                    = 0
[pid 14401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.259569][T14397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14401] close(5)                    = 0
[pid 14401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14404 attached
) = 14404
[pid 14401] tkill(14404, SIGSTOP)       = 0
[pid 14404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14401, si_uid=65534} ---
[pid 14401] exit_group(0 <unfinished ...>
[pid 14404] --- stopped by SIGSTOP ---
[pid 14401] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14405 attached
, child_tidptr=0x5555574e8650) = 14405
[pid 14405] set_robust_list(0x5555574e8660, 24) = 0
[pid 14405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14405] setpgid(0, 0)               = 0
[pid 14405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14405] write(3, "1000", 4)         = 4
[pid 14405] close(3)                    = 0
[pid 14405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.307943][T14401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14405] close(5)                    = 0
[pid 14405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14408 attached
) = 14408
[pid 14405] tkill(14408, SIGSTOP)       = 0
[pid 14408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14405, si_uid=65534} ---
[pid 14405] exit_group(0 <unfinished ...>
[pid 14408] --- stopped by SIGSTOP ---
[pid 14405] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14409 attached
, child_tidptr=0x5555574e8650) = 14409
[pid 14409] set_robust_list(0x5555574e8660, 24) = 0
[pid 14409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14409] setpgid(0, 0)               = 0
[pid 14409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14409] write(3, "1000", 4)         = 4
[pid 14409] close(3)                    = 0
[pid 14409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.356499][T14405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14409] close(5)                    = 0
[pid 14409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14412 attached
) = 14412
[pid 14409] tkill(14412, SIGSTOP)       = 0
[pid 14409] exit_group(0 <unfinished ...>
[pid 14412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14409, si_uid=65534} ---
[pid 14412] --- stopped by SIGSTOP ---
[pid 14409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14409] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14413 attached
, child_tidptr=0x5555574e8650) = 14413
[pid 14413] set_robust_list(0x5555574e8660, 24) = 0
[pid 14413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14413] setpgid(0, 0)               = 0
[pid 14413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14413] write(3, "1000", 4)         = 4
[pid 14413] close(3)                    = 0
[pid 14413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.409839][T14409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14413] close(5)                    = 0
[pid 14413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14416 attached
) = 14416
[pid 14413] tkill(14416, SIGSTOP)       = 0
[pid 14413] exit_group(0 <unfinished ...>
[pid 14416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14413, si_uid=65534} ---
[pid 14413] <... exit_group resumed>)   = ?
[pid 14416] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14413, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14417 attached
, child_tidptr=0x5555574e8650) = 14417
[pid 14417] set_robust_list(0x5555574e8660, 24) = 0
[pid 14417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14417] setpgid(0, 0)               = 0
[pid 14417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14417] write(3, "1000", 4)         = 4
[pid 14417] close(3)                    = 0
[pid 14417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.460414][T14413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14417] close(5)                    = 0
[pid 14417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14420 attached
) = 14420
[pid 14417] tkill(14420, SIGSTOP)       = 0
[pid 14417] exit_group(0)               = ?
[pid 14420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14417, si_uid=65534} ---
[pid 14420] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14417, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14421 attached
, child_tidptr=0x5555574e8650) = 14421
[pid 14421] set_robust_list(0x5555574e8660, 24) = 0
[pid 14421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14421] setpgid(0, 0)               = 0
[pid 14421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14421] write(3, "1000", 4)         = 4
[pid 14421] close(3)                    = 0
[pid 14421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.509753][T14417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14421] close(5)                    = 0
[pid 14421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14424 attached
) = 14424
[pid 14421] tkill(14424, SIGSTOP)       = 0
[pid 14424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14421, si_uid=65534} ---
[pid 14421] exit_group(0 <unfinished ...>
[pid 14424] --- stopped by SIGSTOP ---
[pid 14421] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14421] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14421, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14425 attached
, child_tidptr=0x5555574e8650) = 14425
[pid 14425] set_robust_list(0x5555574e8660, 24) = 0
[pid 14425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14425] setpgid(0, 0)               = 0
[pid 14425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14425] write(3, "1000", 4)         = 4
[pid 14425] close(3)                    = 0
[pid 14425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.565564][T14421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14425] close(5)                    = 0
[pid 14425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14428 attached
) = 14428
[pid 14425] tkill(14428, SIGSTOP)       = 0
[pid 14428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14425, si_uid=65534} ---
[pid 14425] exit_group(0 <unfinished ...>
[pid 14428] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14425] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14425] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14429 attached
, child_tidptr=0x5555574e8650) = 14429
[pid 14429] set_robust_list(0x5555574e8660, 24) = 0
[pid 14429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14429] setpgid(0, 0)               = 0
[pid 14429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14429] write(3, "1000", 4)         = 4
[pid 14429] close(3)                    = 0
[pid 14429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.628078][T14425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14429] close(5)                    = 0
[pid 14429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14432 attached
) = 14432
[pid 14429] tkill(14432, SIGSTOP)       = 0
[pid 14432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14429, si_uid=65534} ---
[pid 14429] exit_group(0 <unfinished ...>
[pid 14432] --- stopped by SIGSTOP ---
[pid 14429] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14429, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14433 attached
, child_tidptr=0x5555574e8650) = 14433
[pid 14433] set_robust_list(0x5555574e8660, 24) = 0
[pid 14433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14433] setpgid(0, 0)               = 0
[pid 14433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14433] write(3, "1000", 4)         = 4
[pid 14433] close(3)                    = 0
[pid 14433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.681770][T14429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14433] close(5)                    = 0
[pid 14433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14436 attached
) = 14436
[pid 14433] tkill(14436, SIGSTOP)       = 0
[pid 14436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14433, si_uid=65534} ---
[pid 14433] exit_group(0 <unfinished ...>
[pid 14436] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14433] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14433] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14433, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14437 attached
, child_tidptr=0x5555574e8650) = 14437
[pid 14437] set_robust_list(0x5555574e8660, 24) = 0
[pid 14437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14437] setpgid(0, 0)               = 0
[pid 14437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14437] write(3, "1000", 4)         = 4
[pid 14437] close(3)                    = 0
[pid 14437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.744121][T14433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14437] close(5)                    = 0
[pid 14437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14440 attached
) = 14440
[pid 14437] tkill(14440, SIGSTOP)       = 0
[pid 14440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14437, si_uid=65534} ---
[pid 14437] exit_group(0 <unfinished ...>
[pid 14440] --- stopped by SIGSTOP ---
[pid 14437] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14437] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14441 attached
, child_tidptr=0x5555574e8650) = 14441
[pid 14441] set_robust_list(0x5555574e8660, 24) = 0
[pid 14441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14441] setpgid(0, 0)               = 0
[pid 14441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14441] write(3, "1000", 4)         = 4
[pid 14441] close(3)                    = 0
[pid 14441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.793767][T14437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14441] close(5)                    = 0
[pid 14441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14444 attached
) = 14444
[pid 14441] tkill(14444, SIGSTOP)       = 0
[pid 14444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14441, si_uid=65534} ---
[pid 14441] exit_group(0 <unfinished ...>
[pid 14444] --- stopped by SIGSTOP ---
[pid 14441] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14441, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14445 attached
, child_tidptr=0x5555574e8650) = 14445
[pid 14445] set_robust_list(0x5555574e8660, 24) = 0
[pid 14445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14445] setpgid(0, 0)               = 0
[pid 14445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14445] write(3, "1000", 4)         = 4
[pid 14445] close(3)                    = 0
[pid 14445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.855291][T14441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14445] close(5)                    = 0
[pid 14445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14448 attached
) = 14448
[pid 14445] tkill(14448, SIGSTOP)       = 0
[pid 14448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14445, si_uid=65534} ---
[pid 14445] exit_group(0 <unfinished ...>
[pid 14448] --- stopped by SIGSTOP ---
[pid 14445] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14445, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14449 attached
, child_tidptr=0x5555574e8650) = 14449
[pid 14449] set_robust_list(0x5555574e8660, 24) = 0
[pid 14449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14449] setpgid(0, 0)               = 0
[pid 14449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14449] write(3, "1000", 4)         = 4
[pid 14449] close(3)                    = 0
[pid 14449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  186.906741][T14445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14449] close(5)                    = 0
[pid 14449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14452 attached
) = 14452
[pid 14449] tkill(14452, SIGSTOP)       = 0
[pid 14452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14449, si_uid=65534} ---
[pid 14449] exit_group(0 <unfinished ...>
[pid 14452] --- stopped by SIGSTOP ---
[pid 14449] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14453 attached
, child_tidptr=0x5555574e8650) = 14453
[pid 14453] set_robust_list(0x5555574e8660, 24) = 0
[pid 14453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14453] setpgid(0, 0)               = 0
[pid 14453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14453] write(3, "1000", 4)         = 4
[pid 14453] close(3)                    = 0
[pid 14453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  186.972608][T14449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14453] close(5)                    = 0
[pid 14453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14456 attached
) = 14456
[pid 14453] tkill(14456, SIGSTOP)       = 0
[pid 14456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14453, si_uid=65534} ---
[pid 14453] exit_group(0 <unfinished ...>
[pid 14456] --- stopped by SIGSTOP ---
[pid 14453] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14453, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14457 attached
, child_tidptr=0x5555574e8650) = 14457
[pid 14457] set_robust_list(0x5555574e8660, 24) = 0
[pid 14457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14457] setpgid(0, 0)               = 0
[  187.024568][T14453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14457] write(3, "1000", 4)         = 4
[pid 14457] close(3)                    = 0
[pid 14457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14457] close(5)                    = 0
[pid 14457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14460 attached
) = 14460
[pid 14457] tkill(14460, SIGSTOP)       = 0
[pid 14460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14457, si_uid=65534} ---
[pid 14457] exit_group(0 <unfinished ...>
[pid 14460] --- stopped by SIGSTOP ---
[pid 14457] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14457] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14461 attached
, child_tidptr=0x5555574e8650) = 14461
[pid 14461] set_robust_list(0x5555574e8660, 24) = 0
[pid 14461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14461] setpgid(0, 0)               = 0
[pid 14461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14461] write(3, "1000", 4)         = 4
[pid 14461] close(3)                    = 0
[pid 14461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.102170][T14457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14461] close(5)                    = 0
[pid 14461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14464 attached
) = 14464
[pid 14461] tkill(14464, SIGSTOP)       = 0
[pid 14464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14461, si_uid=65534} ---
[pid 14461] exit_group(0 <unfinished ...>
[pid 14464] --- stopped by SIGSTOP ---
[pid 14461] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14461] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14461, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14465 attached
, child_tidptr=0x5555574e8650) = 14465
[pid 14465] set_robust_list(0x5555574e8660, 24) = 0
[pid 14465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14465] setpgid(0, 0)               = 0
[pid 14465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14465] write(3, "1000", 4)         = 4
[pid 14465] close(3)                    = 0
[pid 14465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.154562][T14461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14465] close(5)                    = 0
[pid 14465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14468 attached
) = 14468
[pid 14465] tkill(14468, SIGSTOP)       = 0
[pid 14465] exit_group(0 <unfinished ...>
[pid 14468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14465, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14468] --- stopped by SIGSTOP ---
[pid 14465] <... exit_group resumed>)   = ?
[pid 14465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14465, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14469 attached
, child_tidptr=0x5555574e8650) = 14469
[pid 14469] set_robust_list(0x5555574e8660, 24) = 0
[pid 14469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14469] setpgid(0, 0)               = 0
[pid 14469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14469] write(3, "1000", 4)         = 4
[pid 14469] close(3)                    = 0
[pid 14469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.205025][T14465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14469] close(5)                    = 0
[pid 14469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14472 attached
) = 14472
[pid 14469] tkill(14472, SIGSTOP)       = 0
[pid 14472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14469, si_uid=65534} ---
[pid 14469] exit_group(0 <unfinished ...>
[pid 14472] --- stopped by SIGSTOP ---
[pid 14469] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14473 attached
, child_tidptr=0x5555574e8650) = 14473
[pid 14473] set_robust_list(0x5555574e8660, 24) = 0
[pid 14473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14473] setpgid(0, 0)               = 0
[pid 14473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14473] write(3, "1000", 4)         = 4
[pid 14473] close(3)                    = 0
[pid 14473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.267408][T14469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14473] close(5)                    = 0
[pid 14473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14476 attached
) = 14476
[pid 14473] tkill(14476, SIGSTOP)       = 0
[pid 14476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14473, si_uid=65534} ---
[pid 14473] exit_group(0 <unfinished ...>
[pid 14476] --- stopped by SIGSTOP ---
[pid 14473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14477 attached
, child_tidptr=0x5555574e8650) = 14477
[pid 14477] set_robust_list(0x5555574e8660, 24) = 0
[pid 14477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14477] setpgid(0, 0)               = 0
[pid 14477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14477] write(3, "1000", 4)         = 4
[pid 14477] close(3)                    = 0
[pid 14477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.327755][T14473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14477] close(5)                    = 0
[pid 14477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14480 attached
) = 14480
[pid 14477] tkill(14480, SIGSTOP)       = 0
[pid 14477] exit_group(0 <unfinished ...>
[pid 14480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14477, si_uid=65534} ---
[pid 14480] --- stopped by SIGSTOP ---
[pid 14477] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14481 attached
, child_tidptr=0x5555574e8650) = 14481
[pid 14481] set_robust_list(0x5555574e8660, 24) = 0
[pid 14481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14481] setpgid(0, 0)               = 0
[pid 14481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14481] write(3, "1000", 4)         = 4
[pid 14481] close(3)                    = 0
[pid 14481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.382097][T14477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14481] close(5)                    = 0
[pid 14481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14484 attached
) = 14484
[pid 14481] tkill(14484, SIGSTOP)       = 0
[pid 14484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14481, si_uid=65534} ---
[pid 14481] exit_group(0 <unfinished ...>
[pid 14484] --- stopped by SIGSTOP ---
[pid 14481] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14481] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14481, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14485 attached
, child_tidptr=0x5555574e8650) = 14485
[pid 14485] set_robust_list(0x5555574e8660, 24) = 0
[pid 14485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14485] setpgid(0, 0)               = 0
[pid 14485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14485] write(3, "1000", 4)         = 4
[pid 14485] close(3)                    = 0
[pid 14485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.445918][T14481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14485] close(5)                    = 0
[pid 14485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14488 attached
) = 14488
[pid 14485] tkill(14488, SIGSTOP)       = 0
[pid 14488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14485, si_uid=65534} ---
[pid 14485] exit_group(0 <unfinished ...>
[pid 14488] --- stopped by SIGSTOP ---
[pid 14485] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14489 attached
, child_tidptr=0x5555574e8650) = 14489
[pid 14489] set_robust_list(0x5555574e8660, 24) = 0
[pid 14489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14489] setpgid(0, 0)               = 0
[pid 14489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14489] write(3, "1000", 4)         = 4
[pid 14489] close(3)                    = 0
[pid 14489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.505325][T14485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14489] close(5)                    = 0
[pid 14489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14492 attached
) = 14492
[pid 14489] tkill(14492, SIGSTOP)       = 0
[pid 14492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14489, si_uid=65534} ---
[pid 14489] exit_group(0 <unfinished ...>
[pid 14492] --- stopped by SIGSTOP ---
[pid 14489] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14489, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14493 attached
, child_tidptr=0x5555574e8650) = 14493
[pid 14493] set_robust_list(0x5555574e8660, 24) = 0
[pid 14493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14493] setpgid(0, 0)               = 0
[pid 14493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  187.563751][T14489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14493] write(3, "1000", 4)         = 4
[pid 14493] close(3)                    = 0
[pid 14493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14493] close(5)                    = 0
[pid 14493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14496 attached
) = 14496
[pid 14493] tkill(14496, SIGSTOP)       = 0
[pid 14496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14493, si_uid=65534} ---
[pid 14493] exit_group(0 <unfinished ...>
[pid 14496] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14493] <... exit_group resumed>)   = ?
[pid 14493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14497 attached
, child_tidptr=0x5555574e8650) = 14497
[pid 14497] set_robust_list(0x5555574e8660, 24) = 0
[pid 14497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14497] setpgid(0, 0)               = 0
[pid 14497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14497] write(3, "1000", 4)         = 4
[pid 14497] close(3)                    = 0
[pid 14497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.637021][T14493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14497] close(5)                    = 0
[pid 14497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14500 attached
) = 14500
[pid 14497] tkill(14500, SIGSTOP)       = 0
[pid 14500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14497, si_uid=65534} ---
[pid 14497] exit_group(0 <unfinished ...>
[pid 14500] --- stopped by SIGSTOP ---
[pid 14497] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14501 attached
, child_tidptr=0x5555574e8650) = 14501
[pid 14501] set_robust_list(0x5555574e8660, 24) = 0
[pid 14501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14501] setpgid(0, 0)               = 0
[pid 14501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14501] write(3, "1000", 4)         = 4
[pid 14501] close(3)                    = 0
[pid 14501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.689144][T14497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14501] close(5)                    = 0
[pid 14501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14504 attached
) = 14504
[pid 14501] tkill(14504, SIGSTOP)       = 0
[pid 14504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14501, si_uid=65534} ---
[pid 14501] exit_group(0 <unfinished ...>
[pid 14504] --- stopped by SIGSTOP ---
[pid 14501] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14505 attached
, child_tidptr=0x5555574e8650) = 14505
[pid 14505] set_robust_list(0x5555574e8660, 24) = 0
[pid 14505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14505] setpgid(0, 0)               = 0
[pid 14505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14505] write(3, "1000", 4)         = 4
[pid 14505] close(3)                    = 0
[pid 14505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.740007][T14501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14505] close(5)                    = 0
[pid 14505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14508 attached
) = 14508
[pid 14505] tkill(14508, SIGSTOP)       = 0
[pid 14508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14505, si_uid=65534} ---
[pid 14505] exit_group(0 <unfinished ...>
[pid 14508] --- stopped by SIGSTOP ---
[pid 14505] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14505] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14505, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14509 attached
, child_tidptr=0x5555574e8650) = 14509
[pid 14509] set_robust_list(0x5555574e8660, 24) = 0
[pid 14509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14509] setpgid(0, 0)               = 0
[pid 14509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14509] write(3, "1000", 4)         = 4
[pid 14509] close(3)                    = 0
[pid 14509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.794435][T14505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14509] close(5)                    = 0
[pid 14509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14512 attached
) = 14512
[pid 14509] tkill(14512, SIGSTOP)       = 0
[pid 14512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14509, si_uid=65534} ---
[pid 14509] exit_group(0 <unfinished ...>
[pid 14512] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14509] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14509] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14513 attached
, child_tidptr=0x5555574e8650) = 14513
[pid 14513] set_robust_list(0x5555574e8660, 24) = 0
[pid 14513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14513] setpgid(0, 0)               = 0
[pid 14513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14513] write(3, "1000", 4)         = 4
[pid 14513] close(3)                    = 0
[pid 14513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.849480][T14509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14513] close(5)                    = 0
[pid 14513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14516 attached
) = 14516
[pid 14513] tkill(14516, SIGSTOP)       = 0
[pid 14513] exit_group(0 <unfinished ...>
[pid 14516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14513, si_uid=65534} ---
[pid 14513] <... exit_group resumed>)   = ?
[pid 14516] --- stopped by SIGSTOP ---
[pid 14513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14517 attached
, child_tidptr=0x5555574e8650) = 14517
[pid 14517] set_robust_list(0x5555574e8660, 24) = 0
[pid 14517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14517] setpgid(0, 0)               = 0
[pid 14517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14517] write(3, "1000", 4)         = 4
[pid 14517] close(3)                    = 0
[pid 14517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.903954][T14513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14517] close(5)                    = 0
[pid 14517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14520 attached
) = 14520
[pid 14517] tkill(14520, SIGSTOP)       = 0
[pid 14520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14517, si_uid=65534} ---
[pid 14517] exit_group(0 <unfinished ...>
[pid 14520] --- stopped by SIGSTOP ---
[pid 14517] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14521 attached
, child_tidptr=0x5555574e8650) = 14521
[pid 14521] set_robust_list(0x5555574e8660, 24) = 0
[pid 14521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14521] setpgid(0, 0)               = 0
[pid 14521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14521] write(3, "1000", 4)         = 4
[pid 14521] close(3)                    = 0
[pid 14521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  187.959627][T14517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14521] close(5)                    = 0
[pid 14521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14524 attached
) = 14524
[pid 14521] tkill(14524, SIGSTOP)       = 0
[pid 14524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14521, si_uid=65534} ---
[pid 14521] exit_group(0 <unfinished ...>
[pid 14524] --- stopped by SIGSTOP ---
[pid 14521] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14525 attached
, child_tidptr=0x5555574e8650) = 14525
[pid 14525] set_robust_list(0x5555574e8660, 24) = 0
[pid 14525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14525] setpgid(0, 0)               = 0
[pid 14525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14525] write(3, "1000", 4)         = 4
[pid 14525] close(3)                    = 0
[pid 14525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.012165][T14521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14525] close(5)                    = 0
[pid 14525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14528 attached
) = 14528
[pid 14525] tkill(14528, SIGSTOP)       = 0
[pid 14528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14525, si_uid=65534} ---
[pid 14525] exit_group(0 <unfinished ...>
[pid 14528] --- stopped by SIGSTOP ---
[pid 14525] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14529 attached
, child_tidptr=0x5555574e8650) = 14529
[pid 14529] set_robust_list(0x5555574e8660, 24) = 0
[pid 14529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14529] setpgid(0, 0)               = 0
[pid 14529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14529] write(3, "1000", 4)         = 4
[pid 14529] close(3)                    = 0
[pid 14529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.064507][T14525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14529] close(5)                    = 0
[pid 14529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14532 attached
) = 14532
[pid 14529] tkill(14532, SIGSTOP)       = 0
[pid 14532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14529, si_uid=65534} ---
[pid 14529] exit_group(0 <unfinished ...>
[pid 14532] --- stopped by SIGSTOP ---
[pid 14529] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14533 attached
, child_tidptr=0x5555574e8650) = 14533
[pid 14533] set_robust_list(0x5555574e8660, 24) = 0
[pid 14533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14533] setpgid(0, 0)               = 0
[pid 14533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14533] write(3, "1000", 4)         = 4
[pid 14533] close(3)                    = 0
[pid 14533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.116692][T14529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14533] close(5)                    = 0
[pid 14533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14536 attached
) = 14536
[pid 14533] tkill(14536, SIGSTOP)       = 0
[pid 14536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14533, si_uid=65534} ---
[pid 14533] exit_group(0 <unfinished ...>
[pid 14536] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14533] <... exit_group resumed>)   = ?
[pid 14533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14537 attached
, child_tidptr=0x5555574e8650) = 14537
[pid 14537] set_robust_list(0x5555574e8660, 24) = 0
[pid 14537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14537] setpgid(0, 0)               = 0
[pid 14537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14537] write(3, "1000", 4)         = 4
[pid 14537] close(3)                    = 0
[pid 14537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.173048][T14533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14537] close(5)                    = 0
[pid 14537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14540 attached
) = 14540
[pid 14537] tkill(14540, SIGSTOP)       = 0
[pid 14540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14537, si_uid=65534} ---
[pid 14537] exit_group(0 <unfinished ...>
[pid 14540] --- stopped by SIGSTOP ---
[pid 14537] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14537, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14541 attached
, child_tidptr=0x5555574e8650) = 14541
[pid 14541] set_robust_list(0x5555574e8660, 24) = 0
[pid 14541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14541] setpgid(0, 0)               = 0
[pid 14541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14541] write(3, "1000", 4)         = 4
[pid 14541] close(3)                    = 0
[pid 14541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.225083][T14537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14541] close(5)                    = 0
[pid 14541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14544 attached
) = 14544
[pid 14541] tkill(14544, SIGSTOP)       = 0
[pid 14544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14541, si_uid=65534} ---
[pid 14541] exit_group(0 <unfinished ...>
[pid 14544] --- stopped by SIGSTOP ---
[pid 14541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14541] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14545 attached
, child_tidptr=0x5555574e8650) = 14545
[pid 14545] set_robust_list(0x5555574e8660, 24) = 0
[pid 14545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14545] setpgid(0, 0)               = 0
[pid 14545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14545] write(3, "1000", 4)         = 4
[pid 14545] close(3)                    = 0
[pid 14545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.280752][T14541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14545] close(5)                    = 0
[pid 14545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14548 attached
) = 14548
[pid 14545] tkill(14548, SIGSTOP)       = 0
[pid 14545] exit_group(0 <unfinished ...>
[pid 14548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14545, si_uid=65534} ---
[pid 14545] <... exit_group resumed>)   = ?
[pid 14548] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14545, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14549 attached
, child_tidptr=0x5555574e8650) = 14549
[pid 14549] set_robust_list(0x5555574e8660, 24) = 0
[pid 14549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14549] setpgid(0, 0)               = 0
[pid 14549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14549] write(3, "1000", 4)         = 4
[pid 14549] close(3)                    = 0
[pid 14549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.342638][T14545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14549] close(5)                    = 0
[pid 14549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14552 attached
) = 14552
[pid 14549] tkill(14552, SIGSTOP)       = 0
[pid 14552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14549, si_uid=65534} ---
[pid 14549] exit_group(0 <unfinished ...>
[pid 14552] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14549] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14549] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14549, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14553 attached
, child_tidptr=0x5555574e8650) = 14553
[pid 14553] set_robust_list(0x5555574e8660, 24) = 0
[pid 14553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14553] setpgid(0, 0)               = 0
[pid 14553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14553] write(3, "1000", 4)         = 4
[pid 14553] close(3)                    = 0
[pid 14553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.391980][T14549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14553] close(5)                    = 0
[pid 14553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14556 attached
) = 14556
[pid 14553] tkill(14556, SIGSTOP)       = 0
[pid 14556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14553, si_uid=65534} ---
[pid 14553] exit_group(0 <unfinished ...>
[pid 14556] --- stopped by SIGSTOP ---
[pid 14553] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14553] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14557 attached
, child_tidptr=0x5555574e8650) = 14557
[pid 14557] set_robust_list(0x5555574e8660, 24) = 0
[pid 14557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14557] setpgid(0, 0)               = 0
[pid 14557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14557] write(3, "1000", 4)         = 4
[pid 14557] close(3)                    = 0
[pid 14557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.442726][T14553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14557] close(5)                    = 0
[pid 14557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14560 attached
) = 14560
[pid 14557] tkill(14560, SIGSTOP)       = 0
[pid 14560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14557, si_uid=65534} ---
[pid 14557] exit_group(0 <unfinished ...>
[pid 14560] --- stopped by SIGSTOP ---
[pid 14557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14557] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14557, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14561 attached
, child_tidptr=0x5555574e8650) = 14561
[pid 14561] set_robust_list(0x5555574e8660, 24) = 0
[pid 14561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14561] setpgid(0, 0)               = 0
[pid 14561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14561] write(3, "1000", 4)         = 4
[pid 14561] close(3)                    = 0
[pid 14561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.493805][T14557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14561] close(5)                    = 0
[pid 14561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14564 attached
) = 14564
[pid 14561] tkill(14564, SIGSTOP)       = 0
[pid 14564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14561, si_uid=65534} ---
[pid 14561] exit_group(0 <unfinished ...>
[pid 14564] --- stopped by SIGSTOP ---
[pid 14561] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14561, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14565 attached
, child_tidptr=0x5555574e8650) = 14565
[pid 14565] set_robust_list(0x5555574e8660, 24) = 0
[pid 14565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14565] setpgid(0, 0)               = 0
[pid 14565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14565] write(3, "1000", 4)         = 4
[pid 14565] close(3)                    = 0
[pid 14565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.545077][T14561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14565] close(5)                    = 0
[pid 14565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14568 attached
) = 14568
[pid 14565] tkill(14568, SIGSTOP)       = 0
[pid 14568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14565, si_uid=65534} ---
[pid 14565] exit_group(0 <unfinished ...>
[pid 14568] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14565] <... exit_group resumed>)   = ?
[pid 14565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14569 attached
, child_tidptr=0x5555574e8650) = 14569
[pid 14569] set_robust_list(0x5555574e8660, 24) = 0
[pid 14569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14569] setpgid(0, 0)               = 0
[pid 14569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14569] write(3, "1000", 4)         = 4
[pid 14569] close(3)                    = 0
[pid 14569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.595989][T14565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14569] close(5)                    = 0
[pid 14569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14572 attached
) = 14572
[pid 14569] tkill(14572, SIGSTOP)       = 0
[pid 14572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14569, si_uid=65534} ---
[pid 14569] exit_group(0 <unfinished ...>
[pid 14572] --- stopped by SIGSTOP ---
[pid 14569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14569, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14573 attached
, child_tidptr=0x5555574e8650) = 14573
[pid 14573] set_robust_list(0x5555574e8660, 24) = 0
[pid 14573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14573] setpgid(0, 0)               = 0
[pid 14573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14573] write(3, "1000", 4)         = 4
[pid 14573] close(3)                    = 0
[pid 14573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.650149][T14569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14573] close(5)                    = 0
[pid 14573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14576 attached
) = 14576
[pid 14573] tkill(14576, SIGSTOP)       = 0
[pid 14576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14573, si_uid=65534} ---
[pid 14573] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14576] --- stopped by SIGSTOP ---
[pid 14573] <... exit_group resumed>)   = ?
[pid 14573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14577 attached
, child_tidptr=0x5555574e8650) = 14577
[pid 14577] set_robust_list(0x5555574e8660, 24) = 0
[pid 14577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14577] setpgid(0, 0)               = 0
[pid 14577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14577] write(3, "1000", 4)         = 4
[pid 14577] close(3)                    = 0
[pid 14577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.703361][T14573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14577] close(5)                    = 0
[pid 14577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14580 attached
) = 14580
[pid 14577] tkill(14580, SIGSTOP)       = 0
[pid 14580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14577, si_uid=65534} ---
[pid 14577] exit_group(0 <unfinished ...>
[pid 14580] --- stopped by SIGSTOP ---
[pid 14577] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14581 attached
, child_tidptr=0x5555574e8650) = 14581
[pid 14581] set_robust_list(0x5555574e8660, 24) = 0
[pid 14581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14581] setpgid(0, 0)               = 0
[pid 14581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14581] write(3, "1000", 4)         = 4
[pid 14581] close(3)                    = 0
[pid 14581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.766171][T14577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14581] close(5)                    = 0
[pid 14581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14584 attached
) = 14584
[pid 14581] tkill(14584, SIGSTOP)       = 0
[pid 14584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14581, si_uid=65534} ---
[pid 14581] exit_group(0 <unfinished ...>
[pid 14584] --- stopped by SIGSTOP ---
[pid 14581] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14581] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14585 attached
, child_tidptr=0x5555574e8650) = 14585
[pid 14585] set_robust_list(0x5555574e8660, 24) = 0
[pid 14585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14585] setpgid(0, 0)               = 0
[pid 14585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14585] write(3, "1000", 4)         = 4
[pid 14585] close(3)                    = 0
[pid 14585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.828972][T14581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14585] close(5)                    = 0
[pid 14585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14588 attached
) = 14588
[pid 14585] tkill(14588, SIGSTOP)       = 0
[pid 14588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14585, si_uid=65534} ---
[pid 14585] exit_group(0 <unfinished ...>
[pid 14588] --- stopped by SIGSTOP ---
[pid 14585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14585] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14585, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14589 attached
, child_tidptr=0x5555574e8650) = 14589
[pid 14589] set_robust_list(0x5555574e8660, 24) = 0
[pid 14589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14589] setpgid(0, 0)               = 0
[pid 14589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14589] write(3, "1000", 4)         = 4
[pid 14589] close(3)                    = 0
[pid 14589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.879277][T14585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14589] close(5)                    = 0
[pid 14589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14592 attached
) = 14592
[pid 14589] tkill(14592, SIGSTOP)       = 0
[pid 14592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14589, si_uid=65534} ---
[pid 14589] exit_group(0 <unfinished ...>
[pid 14592] --- stopped by SIGSTOP ---
[pid 14589] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14593 attached
, child_tidptr=0x5555574e8650) = 14593
[pid 14593] set_robust_list(0x5555574e8660, 24) = 0
[pid 14593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14593] setpgid(0, 0)               = 0
[pid 14593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14593] write(3, "1000", 4)         = 4
[pid 14593] close(3)                    = 0
[pid 14593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.929890][T14589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14593] close(5)                    = 0
[pid 14593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14596 attached
) = 14596
[pid 14593] tkill(14596, SIGSTOP)       = 0
[pid 14596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14593, si_uid=65534} ---
[pid 14593] exit_group(0 <unfinished ...>
[pid 14596] --- stopped by SIGSTOP ---
[pid 14593] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14593] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14597 attached
, child_tidptr=0x5555574e8650) = 14597
[pid 14597] set_robust_list(0x5555574e8660, 24) = 0
[pid 14597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14597] setpgid(0, 0)               = 0
[pid 14597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14597] write(3, "1000", 4)         = 4
[pid 14597] close(3)                    = 0
[pid 14597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  188.980324][T14593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14597] close(5)                    = 0
[pid 14597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14600 attached
) = 14600
[pid 14597] tkill(14600, SIGSTOP)       = 0
[pid 14600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14597, si_uid=65534} ---
[pid 14597] exit_group(0 <unfinished ...>
[pid 14600] --- stopped by SIGSTOP ---
[pid 14597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14597, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14601 attached
, child_tidptr=0x5555574e8650) = 14601
[pid 14601] set_robust_list(0x5555574e8660, 24) = 0
[pid 14601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14601] setpgid(0, 0)               = 0
[pid 14601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14601] write(3, "1000", 4)         = 4
[pid 14601] close(3)                    = 0
[pid 14601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.043339][T14597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14601] close(5)                    = 0
[pid 14601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14604 attached
) = 14604
[pid 14601] tkill(14604, SIGSTOP)       = 0
[pid 14604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14601, si_uid=65534} ---
[pid 14601] exit_group(0 <unfinished ...>
[pid 14604] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14601] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14601, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14605 attached
, child_tidptr=0x5555574e8650) = 14605
[pid 14605] set_robust_list(0x5555574e8660, 24) = 0
[pid 14605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14605] setpgid(0, 0)               = 0
[pid 14605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14605] write(3, "1000", 4)         = 4
[pid 14605] close(3)                    = 0
[pid 14605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.104506][T14601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14605] close(5)                    = 0
[pid 14605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14608 attached
) = 14608
[pid 14605] tkill(14608, SIGSTOP)       = 0
[pid 14608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14605, si_uid=65534} ---
[pid 14605] exit_group(0 <unfinished ...>
[pid 14608] --- stopped by SIGSTOP ---
[pid 14605] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14605] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14609 attached
, child_tidptr=0x5555574e8650) = 14609
[pid 14609] set_robust_list(0x5555574e8660, 24) = 0
[pid 14609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14609] setpgid(0, 0)               = 0
[pid 14609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14609] write(3, "1000", 4)         = 4
[pid 14609] close(3)                    = 0
[pid 14609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.158302][T14605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14609] close(5)                    = 0
[pid 14609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14612 attached
) = 14612
[pid 14609] tkill(14612, SIGSTOP)       = 0
[pid 14612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14609, si_uid=65534} ---
[pid 14609] exit_group(0 <unfinished ...>
[pid 14612] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14609] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14613 attached
, child_tidptr=0x5555574e8650) = 14613
[pid 14613] set_robust_list(0x5555574e8660, 24) = 0
[pid 14613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14613] setpgid(0, 0)               = 0
[pid 14613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14613] write(3, "1000", 4)         = 4
[pid 14613] close(3)                    = 0
[pid 14613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.212094][T14609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14613] close(5)                    = 0
[pid 14613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14616 attached
) = 14616
[pid 14613] tkill(14616, SIGSTOP)       = 0
[pid 14613] exit_group(0 <unfinished ...>
[pid 14616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14613, si_uid=65534} ---
[pid 14613] <... exit_group resumed>)   = ?
[pid 14616] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14617 attached
, child_tidptr=0x5555574e8650) = 14617
[pid 14617] set_robust_list(0x5555574e8660, 24) = 0
[pid 14617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14617] setpgid(0, 0)               = 0
[pid 14617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14617] write(3, "1000", 4)         = 4
[pid 14617] close(3)                    = 0
[pid 14617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.265873][T14613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14617] close(5)                    = 0
[pid 14617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14620 attached
) = 14620
[pid 14617] tkill(14620, SIGSTOP)       = 0
[pid 14620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14617, si_uid=65534} ---
[pid 14617] exit_group(0 <unfinished ...>
[pid 14620] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14617] <... exit_group resumed>)   = ?
[pid 14617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14621 attached
, child_tidptr=0x5555574e8650) = 14621
[pid 14621] set_robust_list(0x5555574e8660, 24) = 0
[pid 14621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14621] setpgid(0, 0)               = 0
[pid 14621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14621] write(3, "1000", 4)         = 4
[pid 14621] close(3)                    = 0
[pid 14621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.319976][T14617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14621] close(5)                    = 0
[pid 14621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14624 attached
) = 14624
[pid 14621] tkill(14624, SIGSTOP)       = 0
[pid 14624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14621, si_uid=65534} ---
[pid 14621] exit_group(0 <unfinished ...>
[pid 14624] --- stopped by SIGSTOP ---
[pid 14621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14625 attached
, child_tidptr=0x5555574e8650) = 14625
[pid 14625] set_robust_list(0x5555574e8660, 24) = 0
[pid 14625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14625] setpgid(0, 0)               = 0
[pid 14625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14625] write(3, "1000", 4)         = 4
[pid 14625] close(3)                    = 0
[pid 14625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.379418][T14621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14625] close(5)                    = 0
[pid 14625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14628 attached
) = 14628
[pid 14625] tkill(14628, SIGSTOP)       = 0
[pid 14628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14625, si_uid=65534} ---
[pid 14625] exit_group(0 <unfinished ...>
[pid 14628] --- stopped by SIGSTOP ---
[pid 14625] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14629 attached
, child_tidptr=0x5555574e8650) = 14629
[pid 14629] set_robust_list(0x5555574e8660, 24) = 0
[pid 14629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14629] setpgid(0, 0)               = 0
[pid 14629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14629] write(3, "1000", 4)         = 4
[pid 14629] close(3)                    = 0
[pid 14629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.439526][T14625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14629] close(5)                    = 0
[pid 14629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14632 attached
) = 14632
[pid 14629] tkill(14632, SIGSTOP)       = 0
[pid 14632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14629, si_uid=65534} ---
[pid 14629] exit_group(0 <unfinished ...>
[pid 14632] --- stopped by SIGSTOP ---
[pid 14629] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14633 attached
, child_tidptr=0x5555574e8650) = 14633
[pid 14633] set_robust_list(0x5555574e8660, 24) = 0
[pid 14633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14633] setpgid(0, 0)               = 0
[pid 14633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14633] write(3, "1000", 4)         = 4
[pid 14633] close(3)                    = 0
[pid 14633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.490659][T14629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14633] close(5)                    = 0
[pid 14633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14636 attached
) = 14636
[pid 14633] tkill(14636, SIGSTOP)       = 0
[pid 14636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14633, si_uid=65534} ---
[pid 14633] exit_group(0 <unfinished ...>
[pid 14636] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14633] <... exit_group resumed>)   = ?
[pid 14633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14633, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14637 attached
, child_tidptr=0x5555574e8650) = 14637
[pid 14637] set_robust_list(0x5555574e8660, 24) = 0
[pid 14637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14637] setpgid(0, 0)               = 0
[pid 14637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14637] write(3, "1000", 4)         = 4
[pid 14637] close(3)                    = 0
[pid 14637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.544328][T14633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14637] close(5)                    = 0
[pid 14637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14640 attached
) = 14640
[pid 14637] tkill(14640, SIGSTOP)       = 0
[pid 14640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14637, si_uid=65534} ---
[pid 14637] exit_group(0 <unfinished ...>
[pid 14640] --- stopped by SIGSTOP ---
[pid 14637] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14641 attached
, child_tidptr=0x5555574e8650) = 14641
[pid 14641] set_robust_list(0x5555574e8660, 24) = 0
[pid 14641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14641] setpgid(0, 0)               = 0
[pid 14641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14641] write(3, "1000", 4)         = 4
[pid 14641] close(3)                    = 0
[pid 14641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.598234][T14637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14641] close(5)                    = 0
[pid 14641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14644 attached
) = 14644
[pid 14641] tkill(14644, SIGSTOP)       = 0
[pid 14644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14641, si_uid=65534} ---
[pid 14641] exit_group(0 <unfinished ...>
[pid 14644] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14641] <... exit_group resumed>)   = ?
[pid 14641] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14645 attached
, child_tidptr=0x5555574e8650) = 14645
[pid 14645] set_robust_list(0x5555574e8660, 24) = 0
[pid 14645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14645] setpgid(0, 0)               = 0
[pid 14645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14645] write(3, "1000", 4)         = 4
[pid 14645] close(3)                    = 0
[pid 14645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.652937][T14641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14645] close(5)                    = 0
[pid 14645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14648 attached
) = 14648
[pid 14645] tkill(14648, SIGSTOP)       = 0
[pid 14645] exit_group(0 <unfinished ...>
[pid 14648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14645, si_uid=65534} ---
[pid 14648] --- stopped by SIGSTOP ---
[pid 14645] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14645, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14649 attached
, child_tidptr=0x5555574e8650) = 14649
[pid 14649] set_robust_list(0x5555574e8660, 24) = 0
[pid 14649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14649] setpgid(0, 0)               = 0
[pid 14649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14649] write(3, "1000", 4)         = 4
[pid 14649] close(3)                    = 0
[pid 14649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.704617][T14645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14649] close(5)                    = 0
[pid 14649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14652 attached
) = 14652
[pid 14649] tkill(14652, SIGSTOP)       = 0
[pid 14652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14649, si_uid=65534} ---
[pid 14649] exit_group(0 <unfinished ...>
[pid 14652] --- stopped by SIGSTOP ---
[pid 14649] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14653 attached
, child_tidptr=0x5555574e8650) = 14653
[pid 14653] set_robust_list(0x5555574e8660, 24) = 0
[pid 14653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14653] setpgid(0, 0)               = 0
[pid 14653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14653] write(3, "1000", 4)         = 4
[pid 14653] close(3)                    = 0
[pid 14653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.758014][T14649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14653] close(5)                    = 0
[pid 14653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14656 attached
) = 14656
[pid 14653] tkill(14656, SIGSTOP)       = 0
[pid 14653] exit_group(0 <unfinished ...>
[pid 14656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14653, si_uid=65534} ---
[pid 14656] --- stopped by SIGSTOP ---
[pid 14653] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14653] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14657 attached
, child_tidptr=0x5555574e8650) = 14657
[pid 14657] set_robust_list(0x5555574e8660, 24) = 0
[pid 14657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14657] setpgid(0, 0)               = 0
[pid 14657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14657] write(3, "1000", 4)         = 4
[pid 14657] close(3)                    = 0
[pid 14657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.818913][T14653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14657] close(5)                    = 0
[pid 14657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14660 attached
) = 14660
[pid 14657] tkill(14660, SIGSTOP)       = 0
[pid 14657] exit_group(0 <unfinished ...>
[pid 14660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14657, si_uid=65534} ---
[pid 14657] <... exit_group resumed>)   = ?
[pid 14660] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14661 attached
, child_tidptr=0x5555574e8650) = 14661
[pid 14661] set_robust_list(0x5555574e8660, 24) = 0
[pid 14661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14661] setpgid(0, 0)               = 0
[pid 14661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14661] write(3, "1000", 4)         = 4
[pid 14661] close(3)                    = 0
[pid 14661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.873399][T14657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14661] close(5)                    = 0
[pid 14661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14664 attached
) = 14664
[pid 14661] tkill(14664, SIGSTOP)       = 0
[pid 14664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14661, si_uid=65534} ---
[pid 14661] exit_group(0 <unfinished ...>
[pid 14664] --- stopped by SIGSTOP ---
[pid 14661] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14665 attached
, child_tidptr=0x5555574e8650) = 14665
[pid 14665] set_robust_list(0x5555574e8660, 24) = 0
[pid 14665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14665] setpgid(0, 0)               = 0
[pid 14665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14665] write(3, "1000", 4)         = 4
[pid 14665] close(3)                    = 0
[pid 14665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.927605][T14661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14665] close(5)                    = 0
[pid 14665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14668 attached
) = 14668
[pid 14665] tkill(14668, SIGSTOP)       = 0
[pid 14668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14665, si_uid=65534} ---
[pid 14665] exit_group(0 <unfinished ...>
[pid 14668] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14665] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14665] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14665, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14669 attached
, child_tidptr=0x5555574e8650) = 14669
[pid 14669] set_robust_list(0x5555574e8660, 24) = 0
[pid 14669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14669] setpgid(0, 0)               = 0
[pid 14669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14669] write(3, "1000", 4)         = 4
[pid 14669] close(3)                    = 0
[pid 14669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  189.982786][T14665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14669] close(5)                    = 0
[pid 14669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14672 attached
) = 14672
[pid 14669] tkill(14672, SIGSTOP)       = 0
[pid 14672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14669, si_uid=65534} ---
[pid 14669] exit_group(0 <unfinished ...>
[pid 14672] --- stopped by SIGSTOP ---
[pid 14669] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14669, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14673 attached
, child_tidptr=0x5555574e8650) = 14673
[pid 14673] set_robust_list(0x5555574e8660, 24) = 0
[pid 14673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14673] setpgid(0, 0)               = 0
[pid 14673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14673] write(3, "1000", 4)         = 4
[pid 14673] close(3)                    = 0
[pid 14673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.033832][T14669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14673] close(5)                    = 0
[pid 14673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14676 attached
) = 14676
[pid 14673] tkill(14676, SIGSTOP)       = 0
[pid 14673] exit_group(0 <unfinished ...>
[pid 14676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14673, si_uid=65534} ---
[pid 14673] <... exit_group resumed>)   = ?
[pid 14676] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14677 attached
, child_tidptr=0x5555574e8650) = 14677
[pid 14677] set_robust_list(0x5555574e8660, 24) = 0
[pid 14677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14677] setpgid(0, 0)               = 0
[pid 14677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14677] write(3, "1000", 4)         = 4
[pid 14677] close(3)                    = 0
[pid 14677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.097505][T14673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14677] close(5)                    = 0
[pid 14677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14680 attached
) = 14680
[pid 14677] tkill(14680, SIGSTOP)       = 0
[pid 14677] exit_group(0 <unfinished ...>
[pid 14680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14677, si_uid=65534} ---
[pid 14677] <... exit_group resumed>)   = ?
[pid 14680] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14681 attached
, child_tidptr=0x5555574e8650) = 14681
[pid 14681] set_robust_list(0x5555574e8660, 24) = 0
[pid 14681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14681] setpgid(0, 0)               = 0
[pid 14681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14681] write(3, "1000", 4)         = 4
[pid 14681] close(3)                    = 0
[pid 14681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.160118][T14677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14681] close(5)                    = 0
[pid 14681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14684 attached
) = 14684
[pid 14681] tkill(14684, SIGSTOP)       = 0
[pid 14684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14681, si_uid=65534} ---
[pid 14681] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14684] --- stopped by SIGSTOP ---
[pid 14681] <... exit_group resumed>)   = ?
[pid 14681] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14685 attached
, child_tidptr=0x5555574e8650) = 14685
[pid 14685] set_robust_list(0x5555574e8660, 24) = 0
[pid 14685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14685] setpgid(0, 0)               = 0
[pid 14685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14685] write(3, "1000", 4)         = 4
[pid 14685] close(3)                    = 0
[pid 14685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.211300][T14681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14685] close(5)                    = 0
[pid 14685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14688 attached
) = 14688
[pid 14685] tkill(14688, SIGSTOP)       = 0
[pid 14688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14685, si_uid=65534} ---
[pid 14685] exit_group(0 <unfinished ...>
[pid 14688] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14685] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14685, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14689 attached
, child_tidptr=0x5555574e8650) = 14689
[pid 14689] set_robust_list(0x5555574e8660, 24) = 0
[pid 14689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14689] setpgid(0, 0)               = 0
[pid 14689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14689] write(3, "1000", 4)         = 4
[pid 14689] close(3)                    = 0
[pid 14689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.263896][T14685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14689] close(5)                    = 0
[pid 14689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14692 attached
) = 14692
[pid 14689] tkill(14692, SIGSTOP)       = 0
[pid 14692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14689, si_uid=65534} ---
[pid 14689] exit_group(0 <unfinished ...>
[pid 14692] --- stopped by SIGSTOP ---
[pid 14689] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14693 attached
, child_tidptr=0x5555574e8650) = 14693
[pid 14693] set_robust_list(0x5555574e8660, 24) = 0
[pid 14693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14693] setpgid(0, 0)               = 0
[pid 14693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14693] write(3, "1000", 4)         = 4
[pid 14693] close(3)                    = 0
[pid 14693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.318105][T14689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14693] close(5)                    = 0
[pid 14693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14696 attached
) = 14696
[pid 14693] tkill(14696, SIGSTOP)       = 0
[pid 14696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14693, si_uid=65534} ---
[pid 14693] exit_group(0 <unfinished ...>
[pid 14696] --- stopped by SIGSTOP ---
[pid 14693] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14697 attached
, child_tidptr=0x5555574e8650) = 14697
[pid 14697] set_robust_list(0x5555574e8660, 24) = 0
[pid 14697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14697] setpgid(0, 0)               = 0
[pid 14697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14697] write(3, "1000", 4)         = 4
[pid 14697] close(3)                    = 0
[pid 14697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.377094][T14693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14697] close(5)                    = 0
[pid 14697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14700 attached
) = 14700
[pid 14697] tkill(14700, SIGSTOP)       = 0
[pid 14700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14697, si_uid=65534} ---
[pid 14697] exit_group(0 <unfinished ...>
[pid 14700] --- stopped by SIGSTOP ---
[pid 14697] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14701 attached
, child_tidptr=0x5555574e8650) = 14701
[pid 14701] set_robust_list(0x5555574e8660, 24) = 0
[pid 14701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14701] setpgid(0, 0)               = 0
[pid 14701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14701] write(3, "1000", 4)         = 4
[pid 14701] close(3)                    = 0
[pid 14701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.429795][T14697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14701] close(5)                    = 0
[pid 14701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14704 attached
) = 14704
[pid 14701] tkill(14704, SIGSTOP)       = 0
[pid 14704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14701, si_uid=65534} ---
[pid 14701] exit_group(0 <unfinished ...>
[pid 14704] --- stopped by SIGSTOP ---
[pid 14701] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14705 attached
, child_tidptr=0x5555574e8650) = 14705
[pid 14705] set_robust_list(0x5555574e8660, 24) = 0
[pid 14705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14705] setpgid(0, 0)               = 0
[pid 14705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14705] write(3, "1000", 4)         = 4
[pid 14705] close(3)                    = 0
[pid 14705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.492449][T14701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14705] close(5)                    = 0
[pid 14705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14708 attached
) = 14708
[pid 14705] tkill(14708, SIGSTOP)       = 0
[pid 14708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14705, si_uid=65534} ---
[pid 14705] exit_group(0 <unfinished ...>
[pid 14708] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14705] <... exit_group resumed>)   = ?
[pid 14705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14705, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14709 attached
, child_tidptr=0x5555574e8650) = 14709
[pid 14709] set_robust_list(0x5555574e8660, 24) = 0
[pid 14709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14709] setpgid(0, 0)               = 0
[pid 14709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14709] write(3, "1000", 4)         = 4
[pid 14709] close(3)                    = 0
[pid 14709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.554055][T14705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14709] close(5)                    = 0
[pid 14709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14712 attached
) = 14712
[pid 14709] tkill(14712, SIGSTOP)       = 0
[pid 14712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14709, si_uid=65534} ---
[pid 14709] exit_group(0 <unfinished ...>
[pid 14712] --- stopped by SIGSTOP ---
[pid 14709] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14709, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14713 attached
, child_tidptr=0x5555574e8650) = 14713
[pid 14713] set_robust_list(0x5555574e8660, 24) = 0
[pid 14713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14713] setpgid(0, 0)               = 0
[pid 14713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14713] write(3, "1000", 4)         = 4
[pid 14713] close(3)                    = 0
[pid 14713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.605163][T14709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14713] close(5)                    = 0
[pid 14713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14716 attached
) = 14716
[pid 14713] tkill(14716, SIGSTOP)       = 0
[pid 14713] exit_group(0 <unfinished ...>
[pid 14716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14713, si_uid=65534} ---
[pid 14713] <... exit_group resumed>)   = ?
[pid 14716] --- stopped by SIGSTOP ---
[pid 14713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14717 attached
, child_tidptr=0x5555574e8650) = 14717
[pid 14717] set_robust_list(0x5555574e8660, 24) = 0
[pid 14717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14717] setpgid(0, 0)               = 0
[pid 14717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14717] write(3, "1000", 4)         = 4
[pid 14717] close(3)                    = 0
[pid 14717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.657334][T14713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14717] close(5)                    = 0
[pid 14717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14720 attached
) = 14720
[pid 14717] tkill(14720, SIGSTOP)       = 0
[pid 14717] exit_group(0 <unfinished ...>
[pid 14720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14717, si_uid=65534} ---
[pid 14717] <... exit_group resumed>)   = ?
[pid 14720] --- stopped by SIGSTOP ---
[pid 14717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14721 attached
, child_tidptr=0x5555574e8650) = 14721
[pid 14721] set_robust_list(0x5555574e8660, 24) = 0
[pid 14721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14721] setpgid(0, 0)               = 0
[pid 14721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14721] write(3, "1000", 4)         = 4
[pid 14721] close(3)                    = 0
[pid 14721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.707083][T14717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14721] close(5)                    = 0
[pid 14721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14724 attached
) = 14724
[pid 14721] tkill(14724, SIGSTOP)       = 0
[pid 14724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14721, si_uid=65534} ---
[pid 14721] exit_group(0 <unfinished ...>
[pid 14724] --- stopped by SIGSTOP ---
[pid 14721] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14721] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14721, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14725 attached
, child_tidptr=0x5555574e8650) = 14725
[pid 14725] set_robust_list(0x5555574e8660, 24) = 0
[pid 14725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14725] setpgid(0, 0)               = 0
[pid 14725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14725] write(3, "1000", 4)         = 4
[pid 14725] close(3)                    = 0
[pid 14725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.755344][T14721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14725] close(5)                    = 0
[pid 14725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14728 attached
) = 14728
[pid 14725] tkill(14728, SIGSTOP)       = 0
[pid 14725] exit_group(0 <unfinished ...>
[pid 14728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14725, si_uid=65534} ---
[pid 14725] <... exit_group resumed>)   = ?
[pid 14728] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14725] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14729 attached
, child_tidptr=0x5555574e8650) = 14729
[pid 14729] set_robust_list(0x5555574e8660, 24) = 0
[pid 14729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14729] setpgid(0, 0)               = 0
[pid 14729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14729] write(3, "1000", 4)         = 4
[pid 14729] close(3)                    = 0
[pid 14729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.809043][T14725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14729] close(5)                    = 0
[pid 14729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14732 attached
) = 14732
[pid 14729] tkill(14732, SIGSTOP)       = 0
[pid 14732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14729, si_uid=65534} ---
[pid 14729] exit_group(0 <unfinished ...>
[pid 14732] --- stopped by SIGSTOP ---
[pid 14729] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14729] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14733 attached
, child_tidptr=0x5555574e8650) = 14733
[pid 14733] set_robust_list(0x5555574e8660, 24) = 0
[pid 14733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14733] setpgid(0, 0)               = 0
[pid 14733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14733] write(3, "1000", 4)         = 4
[pid 14733] close(3)                    = 0
[pid 14733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.858316][T14729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14733] close(5)                    = 0
[pid 14733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14736 attached
) = 14736
[pid 14733] tkill(14736, SIGSTOP)       = 0
[pid 14733] exit_group(0 <unfinished ...>
[pid 14736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14733, si_uid=65534} ---
[pid 14733] <... exit_group resumed>)   = ?
[pid 14736] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14737 attached
, child_tidptr=0x5555574e8650) = 14737
[pid 14737] set_robust_list(0x5555574e8660, 24) = 0
[pid 14737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14737] setpgid(0, 0)               = 0
[pid 14737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14737] write(3, "1000", 4)         = 4
[pid 14737] close(3)                    = 0
[pid 14737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.922721][T14733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14737] close(5)                    = 0
[pid 14737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14740 attached
) = 14740
[pid 14737] tkill(14740, SIGSTOP)       = 0
[pid 14740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14737, si_uid=65534} ---
[pid 14737] exit_group(0 <unfinished ...>
[pid 14740] --- stopped by SIGSTOP ---
[pid 14737] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14737, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14741 attached
, child_tidptr=0x5555574e8650) = 14741
[pid 14741] set_robust_list(0x5555574e8660, 24) = 0
[pid 14741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14741] setpgid(0, 0)               = 0
[pid 14741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14741] write(3, "1000", 4)         = 4
[pid 14741] close(3)                    = 0
[pid 14741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  190.972477][T14737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14741] close(5)                    = 0
[pid 14741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14744 attached
) = 14744
[pid 14741] tkill(14744, SIGSTOP)       = 0
[pid 14741] exit_group(0 <unfinished ...>
[pid 14744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14741, si_uid=65534} ---
[pid 14741] <... exit_group resumed>)   = ?
[pid 14744] --- stopped by SIGSTOP ---
[pid 14741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14745 attached
, child_tidptr=0x5555574e8650) = 14745
[pid 14745] set_robust_list(0x5555574e8660, 24) = 0
[pid 14745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14745] setpgid(0, 0)               = 0
[pid 14745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14745] write(3, "1000", 4)         = 4
[pid 14745] close(3)                    = 0
[pid 14745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.033945][T14741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14745] close(5)                    = 0
[pid 14745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14748 attached
) = 14748
[pid 14745] tkill(14748, SIGSTOP)       = 0
[pid 14748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14745, si_uid=65534} ---
[pid 14745] exit_group(0 <unfinished ...>
[pid 14748] --- stopped by SIGSTOP ---
[pid 14745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14745] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14749 attached
, child_tidptr=0x5555574e8650) = 14749
[pid 14749] set_robust_list(0x5555574e8660, 24) = 0
[pid 14749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14749] setpgid(0, 0)               = 0
[pid 14749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14749] write(3, "1000", 4)         = 4
[pid 14749] close(3)                    = 0
[pid 14749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.085281][T14745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14749] close(5)                    = 0
[pid 14749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14752 attached
) = 14752
[pid 14749] tkill(14752, SIGSTOP)       = 0
[pid 14752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14749, si_uid=65534} ---
[pid 14749] exit_group(0 <unfinished ...>
[pid 14752] --- stopped by SIGSTOP ---
[pid 14749] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14749] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14753 attached
, child_tidptr=0x5555574e8650) = 14753
[pid 14753] set_robust_list(0x5555574e8660, 24) = 0
[pid 14753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14753] setpgid(0, 0)               = 0
[pid 14753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14753] write(3, "1000", 4)         = 4
[pid 14753] close(3)                    = 0
[pid 14753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.137899][T14749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14753] close(5)                    = 0
[pid 14753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14756 attached
) = 14756
[pid 14753] tkill(14756, SIGSTOP)       = 0
[pid 14756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14753, si_uid=65534} ---
[pid 14753] exit_group(0 <unfinished ...>
[pid 14756] --- stopped by SIGSTOP ---
[pid 14753] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14757 attached
, child_tidptr=0x5555574e8650) = 14757
[pid 14757] set_robust_list(0x5555574e8660, 24) = 0
[pid 14757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14757] setpgid(0, 0)               = 0
[pid 14757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14757] write(3, "1000", 4)         = 4
[pid 14757] close(3)                    = 0
[pid 14757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.192281][T14753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14757] close(5)                    = 0
[pid 14757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14760 attached
) = 14760
[pid 14757] tkill(14760, SIGSTOP)       = 0
[pid 14760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14757, si_uid=65534} ---
[pid 14757] exit_group(0 <unfinished ...>
[pid 14760] --- stopped by SIGSTOP ---
[pid 14757] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14757, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14761 attached
, child_tidptr=0x5555574e8650) = 14761
[pid 14761] set_robust_list(0x5555574e8660, 24) = 0
[pid 14761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14761] setpgid(0, 0)               = 0
[pid 14761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14761] write(3, "1000", 4)         = 4
[pid 14761] close(3)                    = 0
[pid 14761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.254280][T14757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14761] close(5)                    = 0
[pid 14761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14764 attached
) = 14764
[pid 14761] tkill(14764, SIGSTOP)       = 0
[pid 14764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14761, si_uid=65534} ---
[pid 14761] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14764] --- stopped by SIGSTOP ---
[pid 14761] <... exit_group resumed>)   = ?
[pid 14761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14765 attached
, child_tidptr=0x5555574e8650) = 14765
[pid 14765] set_robust_list(0x5555574e8660, 24) = 0
[pid 14765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14765] setpgid(0, 0)               = 0
[pid 14765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14765] write(3, "1000", 4)         = 4
[pid 14765] close(3)                    = 0
[pid 14765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.308984][T14761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14765] close(5)                    = 0
[pid 14765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14768 attached
) = 14768
[pid 14765] tkill(14768, SIGSTOP)       = 0
[pid 14768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14765, si_uid=65534} ---
[pid 14765] exit_group(0 <unfinished ...>
[pid 14768] --- stopped by SIGSTOP ---
[pid 14765] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14765] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14765, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14769 attached
, child_tidptr=0x5555574e8650) = 14769
[pid 14769] set_robust_list(0x5555574e8660, 24) = 0
[pid 14769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14769] setpgid(0, 0)               = 0
[pid 14769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14769] write(3, "1000", 4)         = 4
[pid 14769] close(3)                    = 0
[pid 14769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.363572][T14765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14769] close(5)                    = 0
[pid 14769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14772 attached
) = 14772
[pid 14769] tkill(14772, SIGSTOP)       = 0
[pid 14769] exit_group(0 <unfinished ...>
[pid 14772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14769, si_uid=65534} ---
[pid 14769] <... exit_group resumed>)   = ?
[pid 14772] --- stopped by SIGSTOP ---
[pid 14769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14773 attached
, child_tidptr=0x5555574e8650) = 14773
[pid 14773] set_robust_list(0x5555574e8660, 24) = 0
[pid 14773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14773] setpgid(0, 0)               = 0
[pid 14773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14773] write(3, "1000", 4)         = 4
[pid 14773] close(3)                    = 0
[pid 14773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.416451][T14769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14773] close(5)                    = 0
[pid 14773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14776 attached
) = 14776
[pid 14773] tkill(14776, SIGSTOP)       = 0
[pid 14776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14773, si_uid=65534} ---
[pid 14773] exit_group(0 <unfinished ...>
[pid 14776] --- stopped by SIGSTOP ---
[pid 14773] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14777 attached
, child_tidptr=0x5555574e8650) = 14777
[pid 14777] set_robust_list(0x5555574e8660, 24) = 0
[pid 14777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14777] setpgid(0, 0)               = 0
[pid 14777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14777] write(3, "1000", 4)         = 4
[pid 14777] close(3)                    = 0
[pid 14777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.468546][T14773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14777] close(5)                    = 0
[pid 14777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14780 attached
) = 14780
[pid 14777] tkill(14780, SIGSTOP)       = 0
[pid 14780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14777, si_uid=65534} ---
[pid 14777] exit_group(0 <unfinished ...>
[pid 14780] --- stopped by SIGSTOP ---
[pid 14777] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14777] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14777, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14781 attached
, child_tidptr=0x5555574e8650) = 14781
[pid 14781] set_robust_list(0x5555574e8660, 24) = 0
[pid 14781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14781] setpgid(0, 0)               = 0
[pid 14781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14781] write(3, "1000", 4)         = 4
[pid 14781] close(3)                    = 0
[pid 14781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.522066][T14777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14781] close(5)                    = 0
[pid 14781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14784 attached
) = 14784
[pid 14781] tkill(14784, SIGSTOP)       = 0
[pid 14784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14781, si_uid=65534} ---
[pid 14781] exit_group(0 <unfinished ...>
[pid 14784] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14781] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14785 attached
, child_tidptr=0x5555574e8650) = 14785
[pid 14785] set_robust_list(0x5555574e8660, 24) = 0
[pid 14785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14785] setpgid(0, 0)               = 0
[pid 14785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14785] write(3, "1000", 4)         = 4
[pid 14785] close(3)                    = 0
[pid 14785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.570046][T14781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14785] close(5)                    = 0
[pid 14785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14788 attached
) = 14788
[pid 14785] tkill(14788, SIGSTOP)       = 0
[pid 14788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14785, si_uid=65534} ---
[pid 14785] exit_group(0 <unfinished ...>
[pid 14788] --- stopped by SIGSTOP ---
[pid 14785] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14785, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14789 attached
, child_tidptr=0x5555574e8650) = 14789
[pid 14789] set_robust_list(0x5555574e8660, 24) = 0
[pid 14789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14789] setpgid(0, 0)               = 0
[pid 14789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14789] write(3, "1000", 4)         = 4
[pid 14789] close(3)                    = 0
[pid 14789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  191.624094][T14785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14789] close(5)                    = 0
[pid 14789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14792 attached
) = 14792
[pid 14789] tkill(14792, SIGSTOP)       = 0
[pid 14792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14789, si_uid=65534} ---
[pid 14789] exit_group(0 <unfinished ...>
[pid 14792] --- stopped by SIGSTOP ---
[pid 14789] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14793 attached
, child_tidptr=0x5555574e8650) = 14793
[pid 14793] set_robust_list(0x5555574e8660, 24) = 0
[pid 14793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14793] setpgid(0, 0)               = 0
[pid 14793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14793] write(3, "1000", 4)         = 4
[pid 14793] close(3)                    = 0
[pid 14793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.689544][T14789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14793] close(5)                    = 0
[pid 14793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14796 attached
) = 14796
[pid 14793] tkill(14796, SIGSTOP)       = 0
[pid 14796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14793, si_uid=65534} ---
[pid 14793] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14796] --- stopped by SIGSTOP ---
[pid 14793] <... exit_group resumed>)   = ?
[pid 14793] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14793, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14797 attached
, child_tidptr=0x5555574e8650) = 14797
[pid 14797] set_robust_list(0x5555574e8660, 24) = 0
[pid 14797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14797] setpgid(0, 0)               = 0
[pid 14797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14797] write(3, "1000", 4)         = 4
[pid 14797] close(3)                    = 0
[pid 14797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.739914][T14793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14797] close(5)                    = 0
[pid 14797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14800 attached
) = 14800
[pid 14797] tkill(14800, SIGSTOP)       = 0
[pid 14800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14797, si_uid=65534} ---
[pid 14797] exit_group(0 <unfinished ...>
[pid 14800] --- stopped by SIGSTOP ---
[pid 14797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14801 attached
, child_tidptr=0x5555574e8650) = 14801
[pid 14801] set_robust_list(0x5555574e8660, 24) = 0
[pid 14801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14801] setpgid(0, 0)               = 0
[pid 14801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14801] write(3, "1000", 4)         = 4
[pid 14801] close(3)                    = 0
[pid 14801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.792125][T14797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14801] close(5)                    = 0
[pid 14801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14804 attached
) = 14804
[pid 14801] tkill(14804, SIGSTOP)       = 0
[pid 14804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14801, si_uid=65534} ---
[pid 14801] exit_group(0 <unfinished ...>
[pid 14804] --- stopped by SIGSTOP ---
[pid 14801] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14801, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14805 attached
, child_tidptr=0x5555574e8650) = 14805
[pid 14805] set_robust_list(0x5555574e8660, 24) = 0
[pid 14805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14805] setpgid(0, 0)               = 0
[pid 14805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14805] write(3, "1000", 4)         = 4
[pid 14805] close(3)                    = 0
[pid 14805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.844864][T14801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14805] close(5)                    = 0
[pid 14805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14808 attached
) = 14808
[pid 14805] tkill(14808, SIGSTOP)       = 0
[pid 14808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14805, si_uid=65534} ---
[pid 14805] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14808] --- stopped by SIGSTOP ---
[pid 14805] <... exit_group resumed>)   = ?
[pid 14805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14805, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14809 attached
, child_tidptr=0x5555574e8650) = 14809
[pid 14809] set_robust_list(0x5555574e8660, 24) = 0
[pid 14809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14809] setpgid(0, 0)               = 0
[pid 14809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14809] write(3, "1000", 4)         = 4
[pid 14809] close(3)                    = 0
[pid 14809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.895503][T14805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14809] close(5)                    = 0
[pid 14809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14812 attached
) = 14812
[pid 14809] tkill(14812, SIGSTOP)       = 0
[pid 14812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14809, si_uid=65534} ---
[pid 14809] exit_group(0 <unfinished ...>
[pid 14812] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14809] <... exit_group resumed>)   = ?
[pid 14809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14813 attached
, child_tidptr=0x5555574e8650) = 14813
[pid 14813] set_robust_list(0x5555574e8660, 24) = 0
[pid 14813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14813] setpgid(0, 0)               = 0
[pid 14813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14813] write(3, "1000", 4)         = 4
[pid 14813] close(3)                    = 0
[pid 14813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.946915][T14809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14813] close(5)                    = 0
[pid 14813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14816 attached
) = 14816
[pid 14813] tkill(14816, SIGSTOP)       = 0
[pid 14816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14813, si_uid=65534} ---
[pid 14813] exit_group(0 <unfinished ...>
[pid 14816] --- stopped by SIGSTOP ---
[pid 14813] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14817 attached
, child_tidptr=0x5555574e8650) = 14817
[pid 14817] set_robust_list(0x5555574e8660, 24) = 0
[pid 14817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14817] setpgid(0, 0)               = 0
[pid 14817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14817] write(3, "1000", 4)         = 4
[pid 14817] close(3)                    = 0
[pid 14817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  191.997849][T14813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14817] close(5)                    = 0
[pid 14817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14820 attached
) = 14820
[pid 14817] tkill(14820, SIGSTOP)       = 0
[pid 14820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14817, si_uid=65534} ---
[pid 14817] exit_group(0 <unfinished ...>
[pid 14820] --- stopped by SIGSTOP ---
[pid 14817] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14817] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14821 attached
, child_tidptr=0x5555574e8650) = 14821
[pid 14821] set_robust_list(0x5555574e8660, 24) = 0
[pid 14821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14821] setpgid(0, 0)               = 0
[pid 14821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14821] write(3, "1000", 4)         = 4
[pid 14821] close(3)                    = 0
[pid 14821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.059157][T14817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14821] close(5)                    = 0
[pid 14821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14824 attached
) = 14824
[pid 14821] tkill(14824, SIGSTOP)       = 0
[pid 14824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14821, si_uid=65534} ---
[pid 14821] exit_group(0 <unfinished ...>
[pid 14824] --- stopped by SIGSTOP ---
[pid 14821] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14821] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14825 attached
, child_tidptr=0x5555574e8650) = 14825
[pid 14825] set_robust_list(0x5555574e8660, 24) = 0
[pid 14825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14825] setpgid(0, 0)               = 0
[pid 14825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14825] write(3, "1000", 4)         = 4
[pid 14825] close(3)                    = 0
[pid 14825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.109651][T14821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14825] close(5)                    = 0
[pid 14825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14828 attached
) = 14828
[pid 14825] tkill(14828, SIGSTOP)       = 0
[pid 14828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14825, si_uid=65534} ---
[pid 14825] exit_group(0 <unfinished ...>
[pid 14828] --- stopped by SIGSTOP ---
[pid 14825] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14829 attached
, child_tidptr=0x5555574e8650) = 14829
[pid 14829] set_robust_list(0x5555574e8660, 24) = 0
[pid 14829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14829] setpgid(0, 0)               = 0
[pid 14829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14829] write(3, "1000", 4)         = 4
[pid 14829] close(3)                    = 0
[pid 14829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.162233][T14825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14829] close(5)                    = 0
[pid 14829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14832 attached
) = 14832
[pid 14829] tkill(14832, SIGSTOP)       = 0
[pid 14832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14829, si_uid=65534} ---
[pid 14829] exit_group(0 <unfinished ...>
[pid 14832] --- stopped by SIGSTOP ---
[pid 14829] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14833 attached
, child_tidptr=0x5555574e8650) = 14833
[pid 14833] set_robust_list(0x5555574e8660, 24) = 0
[pid 14833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14833] setpgid(0, 0)               = 0
[pid 14833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14833] write(3, "1000", 4)         = 4
[pid 14833] close(3)                    = 0
[pid 14833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.213245][T14829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14833] close(5)                    = 0
[pid 14833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14836 attached
) = 14836
[pid 14833] tkill(14836, SIGSTOP)       = 0
[pid 14836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14833, si_uid=65534} ---
[pid 14833] exit_group(0 <unfinished ...>
[pid 14836] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14833] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14837 attached
, child_tidptr=0x5555574e8650) = 14837
[pid 14837] set_robust_list(0x5555574e8660, 24) = 0
[pid 14837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14837] setpgid(0, 0)               = 0
[pid 14837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14837] write(3, "1000", 4)         = 4
[pid 14837] close(3)                    = 0
[pid 14837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.269279][T14833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14837] close(5)                    = 0
[pid 14837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14840 attached
) = 14840
[pid 14837] tkill(14840, SIGSTOP)       = 0
[pid 14840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14837, si_uid=65534} ---
[pid 14837] exit_group(0 <unfinished ...>
[pid 14840] --- stopped by SIGSTOP ---
[pid 14837] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14837] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14841 attached
, child_tidptr=0x5555574e8650) = 14841
[pid 14841] set_robust_list(0x5555574e8660, 24) = 0
[pid 14841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14841] setpgid(0, 0)               = 0
[pid 14841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14841] write(3, "1000", 4)         = 4
[pid 14841] close(3)                    = 0
[pid 14841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.319176][T14837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14841] close(5)                    = 0
[pid 14841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14844 attached
) = 14844
[pid 14841] tkill(14844, SIGSTOP)       = 0
[pid 14841] exit_group(0 <unfinished ...>
[pid 14844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14841, si_uid=65534} ---
[pid 14841] <... exit_group resumed>)   = ?
[pid 14844] --- stopped by SIGSTOP ---
[pid 14841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14845 attached
, child_tidptr=0x5555574e8650) = 14845
[pid 14845] set_robust_list(0x5555574e8660, 24) = 0
[pid 14845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14845] setpgid(0, 0)               = 0
[pid 14845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14845] write(3, "1000", 4)         = 4
[pid 14845] close(3)                    = 0
[pid 14845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.372898][T14841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14845] close(5)                    = 0
[pid 14845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14848 attached
) = 14848
[pid 14845] tkill(14848, SIGSTOP)       = 0
[pid 14848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14845, si_uid=65534} ---
[pid 14848] --- stopped by SIGSTOP ---
[pid 14845] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14849 attached
, child_tidptr=0x5555574e8650) = 14849
[pid 14849] set_robust_list(0x5555574e8660, 24) = 0
[pid 14849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14849] setpgid(0, 0)               = 0
[pid 14849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14849] write(3, "1000", 4)         = 4
[pid 14849] close(3)                    = 0
[pid 14849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.428391][T14845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14849] close(5)                    = 0
[pid 14849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14852 attached
) = 14852
[pid 14849] tkill(14852, SIGSTOP)       = 0
[pid 14849] exit_group(0 <unfinished ...>
[pid 14852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14849, si_uid=65534} ---
[pid 14849] <... exit_group resumed>)   = ?
[pid 14852] --- stopped by SIGSTOP ---
[pid 14849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14853 attached
, child_tidptr=0x5555574e8650) = 14853
[pid 14853] set_robust_list(0x5555574e8660, 24) = 0
[pid 14853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14853] setpgid(0, 0)               = 0
[pid 14853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14853] write(3, "1000", 4)         = 4
[pid 14853] close(3)                    = 0
[pid 14853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.485101][T14849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14853] close(5)                    = 0
[pid 14853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14856 attached
) = 14856
[pid 14853] tkill(14856, SIGSTOP)       = 0
[pid 14856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14853, si_uid=65534} ---
[pid 14853] exit_group(0 <unfinished ...>
[pid 14856] --- stopped by SIGSTOP ---
[pid 14853] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14857 attached
, child_tidptr=0x5555574e8650) = 14857
[pid 14857] set_robust_list(0x5555574e8660, 24) = 0
[pid 14857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14857] setpgid(0, 0)               = 0
[pid 14857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14857] write(3, "1000", 4)         = 4
[pid 14857] close(3)                    = 0
[pid 14857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.539553][T14853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14857] close(5)                    = 0
[pid 14857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14860 attached
) = 14860
[pid 14857] tkill(14860, SIGSTOP)       = 0
[pid 14860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14857, si_uid=65534} ---
[pid 14857] exit_group(0 <unfinished ...>
[pid 14860] --- stopped by SIGSTOP ---
[pid 14857] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14861 attached
, child_tidptr=0x5555574e8650) = 14861
[pid 14861] set_robust_list(0x5555574e8660, 24) = 0
[pid 14861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14861] setpgid(0, 0)               = 0
[pid 14861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14861] write(3, "1000", 4)         = 4
[pid 14861] close(3)                    = 0
[pid 14861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.589971][T14857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14861] close(5)                    = 0
[pid 14861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14864 attached
) = 14864
[pid 14861] tkill(14864, SIGSTOP)       = 0
[pid 14861] exit_group(0)               = ?
[pid 14864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14861, si_uid=65534} ---
[pid 14864] --- stopped by SIGSTOP ---
[pid 14861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14865 attached
, child_tidptr=0x5555574e8650) = 14865
[pid 14865] set_robust_list(0x5555574e8660, 24) = 0
[pid 14865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14865] setpgid(0, 0)               = 0
[pid 14865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14865] write(3, "1000", 4)         = 4
[pid 14865] close(3)                    = 0
[pid 14865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.644142][T14861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14865] close(5)                    = 0
[pid 14865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14868 attached
) = 14868
[pid 14865] tkill(14868, SIGSTOP)       = 0
[pid 14868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14865, si_uid=65534} ---
[pid 14865] exit_group(0 <unfinished ...>
[pid 14868] --- stopped by SIGSTOP ---
[pid 14865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14869 attached
, child_tidptr=0x5555574e8650) = 14869
[pid 14869] set_robust_list(0x5555574e8660, 24) = 0
[pid 14869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14869] setpgid(0, 0)               = 0
[pid 14869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14869] write(3, "1000", 4)         = 4
[pid 14869] close(3)                    = 0
[pid 14869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.698692][T14865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14869] close(5)                    = 0
[pid 14869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14872 attached
) = 14872
[pid 14869] tkill(14872, SIGSTOP)       = 0
[pid 14872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14869, si_uid=65534} ---
[pid 14869] exit_group(0 <unfinished ...>
[pid 14872] --- stopped by SIGSTOP ---
[pid 14869] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14873 attached
, child_tidptr=0x5555574e8650) = 14873
[pid 14873] set_robust_list(0x5555574e8660, 24) = 0
[pid 14873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14873] setpgid(0, 0)               = 0
[pid 14873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14873] write(3, "1000", 4)         = 4
[pid 14873] close(3)                    = 0
[pid 14873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.752631][T14869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14873] close(5)                    = 0
[pid 14873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14876 attached
) = 14876
[pid 14873] tkill(14876, SIGSTOP)       = 0
[pid 14876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14873, si_uid=65534} ---
[pid 14873] exit_group(0 <unfinished ...>
[pid 14876] --- stopped by SIGSTOP ---
[pid 14873] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14873, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14877 attached
, child_tidptr=0x5555574e8650) = 14877
[pid 14877] set_robust_list(0x5555574e8660, 24) = 0
[pid 14877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14877] setpgid(0, 0)               = 0
[pid 14877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14877] write(3, "1000", 4)         = 4
[pid 14877] close(3)                    = 0
[pid 14877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.803521][T14873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14877] close(5)                    = 0
[pid 14877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14880 attached
) = 14880
[pid 14877] tkill(14880, SIGSTOP)       = 0
[pid 14880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14877, si_uid=65534} ---
[pid 14877] exit_group(0 <unfinished ...>
[pid 14880] --- stopped by SIGSTOP ---
[pid 14877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14881 attached
, child_tidptr=0x5555574e8650) = 14881
[pid 14881] set_robust_list(0x5555574e8660, 24) = 0
[pid 14881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14881] setpgid(0, 0)               = 0
[pid 14881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14881] write(3, "1000", 4)         = 4
[pid 14881] close(3)                    = 0
[  192.859354][T14877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 14881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14881] close(5)                    = 0
[pid 14881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14884 attached
) = 14884
[pid 14881] tkill(14884, SIGSTOP)       = 0
[pid 14884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14881, si_uid=65534} ---
[pid 14881] exit_group(0 <unfinished ...>
[pid 14884] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14881] <... exit_group resumed>)   = ?
[pid 14881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14881, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14885 attached
, child_tidptr=0x5555574e8650) = 14885
[pid 14885] set_robust_list(0x5555574e8660, 24) = 0
[pid 14885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14885] setpgid(0, 0)               = 0
[pid 14885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14885] write(3, "1000", 4)         = 4
[pid 14885] close(3)                    = 0
[pid 14885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.933874][T14881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14885] close(5)                    = 0
[pid 14885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14888 attached
) = 14888
[pid 14885] tkill(14888, SIGSTOP)       = 0
[pid 14888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14885, si_uid=65534} ---
[pid 14885] exit_group(0 <unfinished ...>
[pid 14888] --- stopped by SIGSTOP ---
[pid 14885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14885] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14889 attached
, child_tidptr=0x5555574e8650) = 14889
[pid 14889] set_robust_list(0x5555574e8660, 24) = 0
[pid 14889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14889] setpgid(0, 0)               = 0
[pid 14889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14889] write(3, "1000", 4)         = 4
[pid 14889] close(3)                    = 0
[pid 14889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  192.989737][T14885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14889] close(5)                    = 0
[pid 14889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14892 attached
) = 14892
[pid 14889] tkill(14892, SIGSTOP)       = 0
[pid 14889] exit_group(0 <unfinished ...>
[pid 14892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14889, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14892] --- stopped by SIGSTOP ---
[pid 14889] <... exit_group resumed>)   = ?
[pid 14889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14889, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14893 attached
, child_tidptr=0x5555574e8650) = 14893
[pid 14893] set_robust_list(0x5555574e8660, 24) = 0
[pid 14893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14893] setpgid(0, 0)               = 0
[pid 14893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14893] write(3, "1000", 4)         = 4
[pid 14893] close(3)                    = 0
[pid 14893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.043887][T14889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14893] close(5)                    = 0
[pid 14893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14896 attached
) = 14896
[pid 14893] tkill(14896, SIGSTOP)       = 0
[pid 14896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14893, si_uid=65534} ---
[pid 14893] exit_group(0 <unfinished ...>
[pid 14896] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14893] <... exit_group resumed>)   = ?
[pid 14893] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14893, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14897 attached
, child_tidptr=0x5555574e8650) = 14897
[pid 14897] set_robust_list(0x5555574e8660, 24) = 0
[pid 14897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14897] setpgid(0, 0)               = 0
[pid 14897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14897] write(3, "1000", 4)         = 4
[pid 14897] close(3)                    = 0
[pid 14897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.099498][T14893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14897] close(5)                    = 0
[pid 14897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14900 attached
) = 14900
[pid 14897] tkill(14900, SIGSTOP)       = 0
[pid 14900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14897, si_uid=65534} ---
[pid 14897] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14900] --- stopped by SIGSTOP ---
[pid 14897] <... exit_group resumed>)   = ?
[pid 14897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14897, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14901 attached
, child_tidptr=0x5555574e8650) = 14901
[pid 14901] set_robust_list(0x5555574e8660, 24) = 0
[pid 14901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14901] setpgid(0, 0)               = 0
[pid 14901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14901] write(3, "1000", 4)         = 4
[pid 14901] close(3)                    = 0
[pid 14901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.155388][T14897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14901] close(5)                    = 0
[pid 14901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14904 attached
) = 14904
[pid 14901] tkill(14904, SIGSTOP)       = 0
[pid 14904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14901, si_uid=65534} ---
[pid 14901] exit_group(0 <unfinished ...>
[pid 14904] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14901] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14905 attached
, child_tidptr=0x5555574e8650) = 14905
[pid 14905] set_robust_list(0x5555574e8660, 24) = 0
[pid 14905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14905] setpgid(0, 0)               = 0
[pid 14905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14905] write(3, "1000", 4)         = 4
[pid 14905] close(3)                    = 0
[pid 14905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.218314][T14901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14905] close(5)                    = 0
[pid 14905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14908 attached
) = 14908
[pid 14905] tkill(14908, SIGSTOP)       = 0
[pid 14908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14905, si_uid=65534} ---
[pid 14905] exit_group(0 <unfinished ...>
[pid 14908] --- stopped by SIGSTOP ---
[pid 14905] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14905] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14905, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14909 attached
, child_tidptr=0x5555574e8650) = 14909
[pid 14909] set_robust_list(0x5555574e8660, 24) = 0
[pid 14909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14909] setpgid(0, 0)               = 0
[pid 14909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14909] write(3, "1000", 4)         = 4
[pid 14909] close(3)                    = 0
[pid 14909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.270599][T14905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14909] close(5)                    = 0
[pid 14909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14912 attached
) = 14912
[pid 14909] tkill(14912, SIGSTOP)       = 0
[pid 14909] exit_group(0 <unfinished ...>
[pid 14912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14909, si_uid=65534} ---
[pid 14909] <... exit_group resumed>)   = ?
[pid 14912] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14909] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14913 attached
, child_tidptr=0x5555574e8650) = 14913
[pid 14913] set_robust_list(0x5555574e8660, 24) = 0
[pid 14913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14913] setpgid(0, 0)               = 0
[pid 14913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14913] write(3, "1000", 4)         = 4
[pid 14913] close(3)                    = 0
[pid 14913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.334825][T14909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14913] close(5)                    = 0
[pid 14913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14916 attached
) = 14916
[pid 14913] tkill(14916, SIGSTOP)       = 0
[pid 14916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14913, si_uid=65534} ---
[pid 14913] exit_group(0 <unfinished ...>
[pid 14916] --- stopped by SIGSTOP ---
[pid 14913] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14917 attached
, child_tidptr=0x5555574e8650) = 14917
[pid 14917] set_robust_list(0x5555574e8660, 24) = 0
[pid 14917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14917] setpgid(0, 0)               = 0
[pid 14917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14917] write(3, "1000", 4)         = 4
[pid 14917] close(3)                    = 0
[pid 14917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.386297][T14913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14917] close(5)                    = 0
[pid 14917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14920 attached
) = 14920
[pid 14917] tkill(14920, SIGSTOP)       = 0
[pid 14920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14917, si_uid=65534} ---
[pid 14920] --- stopped by SIGSTOP ---
[pid 14917] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14917] <... exit_group resumed>)   = ?
[pid 14917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14917, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14921 attached
, child_tidptr=0x5555574e8650) = 14921
[pid 14921] set_robust_list(0x5555574e8660, 24) = 0
[pid 14921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14921] setpgid(0, 0)               = 0
[pid 14921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14921] write(3, "1000", 4)         = 4
[pid 14921] close(3)                    = 0
[pid 14921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.439524][T14917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14921] close(5)                    = 0
[pid 14921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14924 attached
) = 14924
[pid 14921] tkill(14924, SIGSTOP)       = 0
[pid 14924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14921, si_uid=65534} ---
[pid 14921] exit_group(0 <unfinished ...>
[pid 14924] --- stopped by SIGSTOP ---
[pid 14921] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14921, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14925 attached
, child_tidptr=0x5555574e8650) = 14925
[pid 14925] set_robust_list(0x5555574e8660, 24) = 0
[pid 14925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14925] setpgid(0, 0)               = 0
[pid 14925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14925] write(3, "1000", 4)         = 4
[pid 14925] close(3)                    = 0
[pid 14925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.491788][T14921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14925] close(5)                    = 0
[pid 14925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14928 attached
) = 14928
[pid 14925] tkill(14928, SIGSTOP)       = 0
[pid 14928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14925, si_uid=65534} ---
[pid 14925] exit_group(0)               = ?
[pid 14928] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14925, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14929 attached
, child_tidptr=0x5555574e8650) = 14929
[pid 14929] set_robust_list(0x5555574e8660, 24) = 0
[pid 14929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14929] setpgid(0, 0)               = 0
[pid 14929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14929] write(3, "1000", 4)         = 4
[pid 14929] close(3)                    = 0
[pid 14929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.543218][T14925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14929] close(5)                    = 0
[pid 14929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14932 attached
) = 14932
[pid 14929] tkill(14932, SIGSTOP)       = 0
[pid 14932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14929, si_uid=65534} ---
[pid 14929] exit_group(0 <unfinished ...>
[pid 14932] --- stopped by SIGSTOP ---
[pid 14929] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14929] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14933 attached
, child_tidptr=0x5555574e8650) = 14933
[pid 14933] set_robust_list(0x5555574e8660, 24) = 0
[pid 14933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14933] setpgid(0, 0)               = 0
[pid 14933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14933] write(3, "1000", 4)         = 4
[pid 14933] close(3)                    = 0
[pid 14933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.591773][T14929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14933] close(5)                    = 0
[pid 14933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14936 attached
) = 14936
[pid 14933] tkill(14936, SIGSTOP)       = 0
[pid 14936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14933, si_uid=65534} ---
[pid 14933] exit_group(0 <unfinished ...>
[pid 14936] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14933] <... exit_group resumed>)   = ?
[pid 14933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14933, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14937 attached
, child_tidptr=0x5555574e8650) = 14937
[pid 14937] set_robust_list(0x5555574e8660, 24) = 0
[pid 14937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14937] setpgid(0, 0)               = 0
[pid 14937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14937] write(3, "1000", 4)         = 4
[pid 14937] close(3)                    = 0
[pid 14937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.646108][T14933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14937] close(5)                    = 0
[pid 14937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14940 attached
) = 14940
[pid 14937] tkill(14940, SIGSTOP)       = 0
[pid 14940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14937, si_uid=65534} ---
[pid 14937] exit_group(0 <unfinished ...>
[pid 14940] --- stopped by SIGSTOP ---
[pid 14937] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14937] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14937, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14941 attached
, child_tidptr=0x5555574e8650) = 14941
[pid 14941] set_robust_list(0x5555574e8660, 24) = 0
[pid 14941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14941] setpgid(0, 0)               = 0
[pid 14941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14941] write(3, "1000", 4)         = 4
[pid 14941] close(3)                    = 0
[pid 14941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.700546][T14937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14941] close(5)                    = 0
[pid 14941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14944 attached
) = 14944
[pid 14941] tkill(14944, SIGSTOP)       = 0
[pid 14944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14941, si_uid=65534} ---
[pid 14941] exit_group(0 <unfinished ...>
[pid 14944] --- stopped by SIGSTOP ---
[pid 14941] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14941, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14945 attached
, child_tidptr=0x5555574e8650) = 14945
[pid 14945] set_robust_list(0x5555574e8660, 24) = 0
[pid 14945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14945] setpgid(0, 0)               = 0
[pid 14945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14945] write(3, "1000", 4)         = 4
[pid 14945] close(3)                    = 0
[pid 14945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.754827][T14941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14945] close(5)                    = 0
[pid 14945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14948 attached
) = 14948
[pid 14945] tkill(14948, SIGSTOP)       = 0
[pid 14945] exit_group(0 <unfinished ...>
[pid 14948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14945, si_uid=65534} ---
[pid 14945] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14948] --- stopped by SIGSTOP ---
[pid 14945] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14949 attached
, child_tidptr=0x5555574e8650) = 14949
[pid 14949] set_robust_list(0x5555574e8660, 24) = 0
[pid 14949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14949] setpgid(0, 0)               = 0
[pid 14949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14949] write(3, "1000", 4)         = 4
[pid 14949] close(3)                    = 0
[pid 14949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.811880][T14945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14949] close(5)                    = 0
[pid 14949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14952 attached
) = 14952
[pid 14949] tkill(14952, SIGSTOP)       = 0
[pid 14952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14949, si_uid=65534} ---
[pid 14949] exit_group(0 <unfinished ...>
[pid 14952] --- stopped by SIGSTOP ---
[pid 14949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14949, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14953 attached
, child_tidptr=0x5555574e8650) = 14953
[pid 14953] set_robust_list(0x5555574e8660, 24) = 0
[pid 14953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14953] setpgid(0, 0)               = 0
[pid 14953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14953] write(3, "1000", 4)         = 4
[pid 14953] close(3)                    = 0
[pid 14953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.865346][T14949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14953] close(5)                    = 0
[pid 14953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14956 attached
) = 14956
[pid 14953] tkill(14956, SIGSTOP)       = 0
[pid 14956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14953, si_uid=65534} ---
[pid 14953] exit_group(0 <unfinished ...>
[pid 14956] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14953] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14953] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14957 attached
, child_tidptr=0x5555574e8650) = 14957
[pid 14957] set_robust_list(0x5555574e8660, 24) = 0
[pid 14957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14957] setpgid(0, 0)               = 0
[pid 14957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14957] write(3, "1000", 4)         = 4
[pid 14957] close(3)                    = 0
[pid 14957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.930228][T14953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14957] close(5)                    = 0
[pid 14957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14960 attached
) = 14960
[pid 14957] tkill(14960, SIGSTOP)       = 0
[pid 14960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14957, si_uid=65534} ---
[pid 14957] exit_group(0 <unfinished ...>
[pid 14960] --- stopped by SIGSTOP ---
[pid 14957] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14961 attached
, child_tidptr=0x5555574e8650) = 14961
[pid 14961] set_robust_list(0x5555574e8660, 24) = 0
[pid 14961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14961] setpgid(0, 0)               = 0
[pid 14961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14961] write(3, "1000", 4)         = 4
[pid 14961] close(3)                    = 0
[pid 14961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  193.986927][T14957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14961] close(5)                    = 0
[pid 14961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14964 attached
) = 14964
[pid 14961] tkill(14964, SIGSTOP)       = 0
[pid 14964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14961, si_uid=65534} ---
[pid 14961] exit_group(0 <unfinished ...>
[pid 14964] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14961] <... exit_group resumed>)   = ?
[pid 14961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14965 attached
, child_tidptr=0x5555574e8650) = 14965
[pid 14965] set_robust_list(0x5555574e8660, 24) = 0
[pid 14965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14965] setpgid(0, 0)               = 0
[pid 14965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14965] write(3, "1000", 4)         = 4
[pid 14965] close(3)                    = 0
[pid 14965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.048664][T14961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14965] close(5)                    = 0
[pid 14965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14968 attached
) = 14968
[pid 14965] tkill(14968, SIGSTOP)       = 0
[pid 14968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14965, si_uid=65534} ---
[pid 14965] exit_group(0 <unfinished ...>
[pid 14968] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14965] <... exit_group resumed>)   = ?
[pid 14965] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14965, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14969 attached
, child_tidptr=0x5555574e8650) = 14969
[pid 14969] set_robust_list(0x5555574e8660, 24) = 0
[pid 14969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14969] setpgid(0, 0)               = 0
[pid 14969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14969] write(3, "1000", 4)         = 4
[pid 14969] close(3)                    = 0
[pid 14969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.096589][T14965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14969] close(5)                    = 0
[pid 14969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14972 attached
) = 14972
[pid 14969] tkill(14972, SIGSTOP)       = 0
[pid 14969] exit_group(0 <unfinished ...>
[pid 14972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14969, si_uid=65534} ---
[pid 14969] <... exit_group resumed>)   = ?
[pid 14972] --- stopped by SIGSTOP ---
[pid 14969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14973 attached
, child_tidptr=0x5555574e8650) = 14973
[pid 14973] set_robust_list(0x5555574e8660, 24) = 0
[pid 14973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14973] setpgid(0, 0)               = 0
[pid 14973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14973] write(3, "1000", 4)         = 4
[pid 14973] close(3)                    = 0
[pid 14973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.153000][T14969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14973] close(5)                    = 0
[pid 14973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14976 attached
) = 14976
[pid 14973] tkill(14976, SIGSTOP)       = 0
[pid 14976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14973, si_uid=65534} ---
[pid 14973] exit_group(0 <unfinished ...>
[pid 14976] --- stopped by SIGSTOP ---
[pid 14973] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14973] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14977 attached
, child_tidptr=0x5555574e8650) = 14977
[pid 14977] set_robust_list(0x5555574e8660, 24) = 0
[pid 14977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14977] setpgid(0, 0)               = 0
[pid 14977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14977] write(3, "1000", 4)         = 4
[pid 14977] close(3)                    = 0
[pid 14977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.204952][T14973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14977] close(5)                    = 0
[pid 14977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14980 attached
) = 14980
[pid 14977] tkill(14980, SIGSTOP)       = 0
[pid 14980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14977, si_uid=65534} ---
[pid 14977] exit_group(0 <unfinished ...>
[pid 14980] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14977] <... exit_group resumed>)   = ?
[pid 14977] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14981 attached
, child_tidptr=0x5555574e8650) = 14981
[pid 14981] set_robust_list(0x5555574e8660, 24) = 0
[pid 14981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14981] setpgid(0, 0)               = 0
[pid 14981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14981] write(3, "1000", 4)         = 4
[pid 14981] close(3)                    = 0
[pid 14981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.270128][T14977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14981] close(5)                    = 0
[pid 14981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14984 attached
) = 14984
[pid 14981] tkill(14984, SIGSTOP)       = 0
[pid 14984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14981, si_uid=65534} ---
[pid 14981] exit_group(0 <unfinished ...>
[pid 14984] --- stopped by SIGSTOP ---
[pid 14981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14981] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14981, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14985 attached
, child_tidptr=0x5555574e8650) = 14985
[pid 14985] set_robust_list(0x5555574e8660, 24) = 0
[pid 14985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14985] setpgid(0, 0)               = 0
[pid 14985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14985] write(3, "1000", 4)         = 4
[pid 14985] close(3)                    = 0
[pid 14985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.321692][T14981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14985] close(5)                    = 0
[pid 14985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14988 attached
) = 14988
[pid 14985] tkill(14988, SIGSTOP)       = 0
[pid 14985] exit_group(0 <unfinished ...>
[pid 14988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14985, si_uid=65534} ---
[pid 14985] <... exit_group resumed>)   = ?
[pid 14988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14985, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14989 attached
, child_tidptr=0x5555574e8650) = 14989
[pid 14989] set_robust_list(0x5555574e8660, 24) = 0
[pid 14989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14989] setpgid(0, 0)               = 0
[pid 14989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14989] write(3, "1000", 4)         = 4
[pid 14989] close(3)                    = 0
[pid 14989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.372771][T14985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14989] close(5)                    = 0
[pid 14989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14992 attached
) = 14992
[pid 14989] tkill(14992, SIGSTOP)       = 0
[pid 14989] exit_group(0 <unfinished ...>
[pid 14992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14989, si_uid=65534} ---
[pid 14989] <... exit_group resumed>)   = ?
[pid 14992] --- stopped by SIGSTOP ---
[pid 14989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14993 attached
, child_tidptr=0x5555574e8650) = 14993
[pid 14993] set_robust_list(0x5555574e8660, 24) = 0
[pid 14993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14993] setpgid(0, 0)               = 0
[pid 14993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14993] write(3, "1000", 4)         = 4
[pid 14993] close(3)                    = 0
[pid 14993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.427115][T14989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14993] close(5)                    = 0
[pid 14993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 14996 attached
) = 14996
[pid 14993] tkill(14996, SIGSTOP)       = 0
[pid 14993] exit_group(0 <unfinished ...>
[pid 14996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14993, si_uid=65534} ---
[pid 14993] <... exit_group resumed>)   = ?
[pid 14996] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=14996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 14993] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14993, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14997 attached
, child_tidptr=0x5555574e8650) = 14997
[pid 14997] set_robust_list(0x5555574e8660, 24) = 0
[pid 14997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14997] setpgid(0, 0)               = 0
[pid 14997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14997] write(3, "1000", 4)         = 4
[pid 14997] close(3)                    = 0
[pid 14997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 14997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.479228][T14993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 14997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 14997] close(5)                    = 0
[pid 14997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15000 attached
) = 15000
[pid 14997] tkill(15000, SIGSTOP)       = 0
[pid 15000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=14997, si_uid=65534} ---
[pid 14997] exit_group(0 <unfinished ...>
[pid 15000] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 14997] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 14997] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14997, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15001 attached
, child_tidptr=0x5555574e8650) = 15001
[pid 15001] set_robust_list(0x5555574e8660, 24) = 0
[pid 15001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15001] setpgid(0, 0)               = 0
[pid 15001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15001] write(3, "1000", 4)         = 4
[pid 15001] close(3)                    = 0
[pid 15001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.532431][T14997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15001] close(5)                    = 0
[pid 15001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15004 attached
) = 15004
[pid 15001] tkill(15004, SIGSTOP)       = 0
[pid 15001] exit_group(0 <unfinished ...>
[pid 15004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15001, si_uid=65534} ---
[pid 15001] <... exit_group resumed>)   = ?
[pid 15004] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15001] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15005 attached
, child_tidptr=0x5555574e8650) = 15005
[pid 15005] set_robust_list(0x5555574e8660, 24) = 0
[pid 15005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15005] setpgid(0, 0)               = 0
[pid 15005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15005] write(3, "1000", 4)         = 4
[pid 15005] close(3)                    = 0
[pid 15005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.583040][T15001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15005] close(5)                    = 0
[pid 15005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15008 attached
) = 15008
[pid 15005] tkill(15008, SIGSTOP)       = 0
[pid 15005] exit_group(0 <unfinished ...>
[pid 15008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15005, si_uid=65534} ---
[pid 15005] <... exit_group resumed>)   = ?
[pid 15008] --- stopped by SIGSTOP ---
[pid 15005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15009 attached
, child_tidptr=0x5555574e8650) = 15009
[pid 15009] set_robust_list(0x5555574e8660, 24) = 0
[pid 15009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15009] setpgid(0, 0)               = 0
[pid 15009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15009] write(3, "1000", 4)         = 4
[pid 15009] close(3)                    = 0
[pid 15009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.634557][T15005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15009] close(5)                    = 0
[pid 15009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15012 attached
) = 15012
[pid 15009] tkill(15012, SIGSTOP)       = 0
[pid 15012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15009, si_uid=65534} ---
[pid 15009] exit_group(0 <unfinished ...>
[pid 15012] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15009] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15013 attached
, child_tidptr=0x5555574e8650) = 15013
[pid 15013] set_robust_list(0x5555574e8660, 24) = 0
[pid 15013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15013] setpgid(0, 0)               = 0
[pid 15013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15013] write(3, "1000", 4)         = 4
[pid 15013] close(3)                    = 0
[pid 15013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.688830][T15009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15013] close(5)                    = 0
[pid 15013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15016 attached
) = 15016
[pid 15013] tkill(15016, SIGSTOP)       = 0
[pid 15016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15013, si_uid=65534} ---
[pid 15013] exit_group(0 <unfinished ...>
[pid 15016] --- stopped by SIGSTOP ---
[pid 15013] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15017 attached
, child_tidptr=0x5555574e8650) = 15017
[pid 15017] set_robust_list(0x5555574e8660, 24) = 0
[pid 15017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15017] setpgid(0, 0)               = 0
[pid 15017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15017] write(3, "1000", 4)         = 4
[pid 15017] close(3)                    = 0
[pid 15017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.741225][T15013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15017] close(5)                    = 0
[pid 15017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15020 attached
) = 15020
[pid 15017] tkill(15020, SIGSTOP)       = 0
[pid 15020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15017, si_uid=65534} ---
[pid 15017] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15020] --- stopped by SIGSTOP ---
[pid 15017] <... exit_group resumed>)   = ?
[pid 15017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15021 attached
, child_tidptr=0x5555574e8650) = 15021
[pid 15021] set_robust_list(0x5555574e8660, 24) = 0
[pid 15021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15021] setpgid(0, 0)               = 0
[pid 15021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15021] write(3, "1000", 4)         = 4
[pid 15021] close(3)                    = 0
[pid 15021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.796627][T15017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15021] close(5)                    = 0
[pid 15021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15024 attached
) = 15024
[pid 15021] tkill(15024, SIGSTOP)       = 0
[pid 15021] exit_group(0)               = ?
[pid 15024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15021, si_uid=65534} ---
[pid 15024] --- stopped by SIGSTOP ---
[pid 15021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15025 attached
, child_tidptr=0x5555574e8650) = 15025
[pid 15025] set_robust_list(0x5555574e8660, 24) = 0
[pid 15025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15025] setpgid(0, 0)               = 0
[pid 15025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15025] write(3, "1000", 4)         = 4
[pid 15025] close(3)                    = 0
[pid 15025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  194.860648][T15021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15025] close(5)                    = 0
[pid 15025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15028 attached
) = 15028
[pid 15025] tkill(15028, SIGSTOP)       = 0
[pid 15028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15025, si_uid=65534} ---
[pid 15028] --- stopped by SIGSTOP ---
[pid 15025] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15025] <... exit_group resumed>)   = ?
[pid 15025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15029 attached
, child_tidptr=0x5555574e8650) = 15029
[pid 15029] set_robust_list(0x5555574e8660, 24) = 0
[pid 15029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15029] setpgid(0, 0)               = 0
[pid 15029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15029] write(3, "1000", 4)         = 4
[pid 15029] close(3)                    = 0
[pid 15029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.931562][T15025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15029] close(5)                    = 0
[pid 15029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15032 attached
) = 15032
[pid 15029] tkill(15032, SIGSTOP)       = 0
[pid 15032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15029, si_uid=65534} ---
[pid 15029] exit_group(0 <unfinished ...>
[pid 15032] --- stopped by SIGSTOP ---
[pid 15029] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15029] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15033 attached
, child_tidptr=0x5555574e8650) = 15033
[pid 15033] set_robust_list(0x5555574e8660, 24) = 0
[pid 15033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15033] setpgid(0, 0)               = 0
[pid 15033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15033] write(3, "1000", 4)         = 4
[pid 15033] close(3)                    = 0
[pid 15033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  194.993417][T15029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15033] close(5)                    = 0
[pid 15033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15036 attached
) = 15036
[pid 15033] tkill(15036, SIGSTOP)       = 0
[pid 15033] exit_group(0 <unfinished ...>
[pid 15036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15033, si_uid=65534} ---
[pid 15036] --- stopped by SIGSTOP ---
[pid 15033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15033, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15037 attached
, child_tidptr=0x5555574e8650) = 15037
[pid 15037] set_robust_list(0x5555574e8660, 24) = 0
[pid 15037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15037] setpgid(0, 0)               = 0
[pid 15037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15037] write(3, "1000", 4)         = 4
[pid 15037] close(3)                    = 0
[pid 15037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.045650][T15033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15037] close(5)                    = 0
[pid 15037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15040 attached
) = 15040
[pid 15037] tkill(15040, SIGSTOP)       = 0
[pid 15037] exit_group(0 <unfinished ...>
[pid 15040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15037, si_uid=65534} ---
[pid 15037] <... exit_group resumed>)   = ?
[pid 15040] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15037, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15041 attached
, child_tidptr=0x5555574e8650) = 15041
[pid 15041] set_robust_list(0x5555574e8660, 24) = 0
[pid 15041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15041] setpgid(0, 0)               = 0
[pid 15041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15041] write(3, "1000", 4)         = 4
[pid 15041] close(3)                    = 0
[pid 15041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.101423][T15037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15041] close(5)                    = 0
[pid 15041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15044 attached
) = 15044
[pid 15041] tkill(15044, SIGSTOP)       = 0
[pid 15044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15041, si_uid=65534} ---
[pid 15041] exit_group(0 <unfinished ...>
[pid 15044] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15041] <... exit_group resumed>)   = ?
[pid 15041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15045 attached
, child_tidptr=0x5555574e8650) = 15045
[pid 15045] set_robust_list(0x5555574e8660, 24) = 0
[pid 15045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15045] setpgid(0, 0)               = 0
[pid 15045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15045] write(3, "1000", 4)         = 4
[pid 15045] close(3)                    = 0
[pid 15045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.157646][T15041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15045] close(5)                    = 0
[pid 15045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15048 attached
) = 15048
[pid 15045] tkill(15048, SIGSTOP)       = 0
[pid 15048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15045, si_uid=65534} ---
[pid 15045] exit_group(0 <unfinished ...>
[pid 15048] --- stopped by SIGSTOP ---
[pid 15045] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15049 attached
, child_tidptr=0x5555574e8650) = 15049
[pid 15049] set_robust_list(0x5555574e8660, 24) = 0
[pid 15049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15049] setpgid(0, 0)               = 0
[pid 15049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15049] write(3, "1000", 4)         = 4
[pid 15049] close(3)                    = 0
[pid 15049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.218941][T15045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15049] close(5)                    = 0
[pid 15049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15052 attached
) = 15052
[pid 15049] tkill(15052, SIGSTOP)       = 0
[pid 15052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15049, si_uid=65534} ---
[pid 15049] exit_group(0 <unfinished ...>
[pid 15052] --- stopped by SIGSTOP ---
[pid 15049] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15049, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15053 attached
, child_tidptr=0x5555574e8650) = 15053
[pid 15053] set_robust_list(0x5555574e8660, 24) = 0
[pid 15053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15053] setpgid(0, 0)               = 0
[pid 15053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15053] write(3, "1000", 4)         = 4
[pid 15053] close(3)                    = 0
[pid 15053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.275512][T15049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15053] close(5)                    = 0
[pid 15053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15056 attached
) = 15056
[pid 15053] tkill(15056, SIGSTOP)       = 0
[pid 15056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15053, si_uid=65534} ---
[pid 15053] exit_group(0 <unfinished ...>
[pid 15056] --- stopped by SIGSTOP ---
[pid 15053] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15053] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15053, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15057 attached
, child_tidptr=0x5555574e8650) = 15057
[pid 15057] set_robust_list(0x5555574e8660, 24) = 0
[pid 15057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15057] setpgid(0, 0)               = 0
[pid 15057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15057] write(3, "1000", 4)         = 4
[pid 15057] close(3)                    = 0
[pid 15057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.330257][T15053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15057] close(5)                    = 0
[pid 15057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15060 attached
) = 15060
[pid 15057] tkill(15060, SIGSTOP)       = 0
[pid 15057] exit_group(0 <unfinished ...>
[pid 15060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15057, si_uid=65534} ---
[pid 15060] --- stopped by SIGSTOP ---
[pid 15057] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15057, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15061 attached
, child_tidptr=0x5555574e8650) = 15061
[pid 15061] set_robust_list(0x5555574e8660, 24) = 0
[pid 15061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15061] setpgid(0, 0)               = 0
[pid 15061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15061] write(3, "1000", 4)         = 4
[pid 15061] close(3)                    = 0
[pid 15061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.383467][T15057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15061] close(5)                    = 0
[pid 15061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15064 attached
) = 15064
[pid 15061] tkill(15064, SIGSTOP)       = 0
[pid 15064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15061, si_uid=65534} ---
[pid 15061] exit_group(0 <unfinished ...>
[pid 15064] --- stopped by SIGSTOP ---
[pid 15061] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15061] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15065 attached
, child_tidptr=0x5555574e8650) = 15065
[pid 15065] set_robust_list(0x5555574e8660, 24) = 0
[pid 15065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15065] setpgid(0, 0)               = 0
[pid 15065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15065] write(3, "1000", 4)         = 4
[pid 15065] close(3)                    = 0
[pid 15065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.434100][T15061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15065] close(5)                    = 0
[pid 15065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15068 attached
) = 15068
[pid 15065] tkill(15068, SIGSTOP)       = 0
[pid 15068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15065, si_uid=65534} ---
[pid 15065] exit_group(0 <unfinished ...>
[pid 15068] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15065] <... exit_group resumed>)   = ?
[pid 15065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15069 attached
, child_tidptr=0x5555574e8650) = 15069
[pid 15069] set_robust_list(0x5555574e8660, 24) = 0
[pid 15069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15069] setpgid(0, 0)               = 0
[pid 15069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15069] write(3, "1000", 4)         = 4
[pid 15069] close(3)                    = 0
[pid 15069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.486608][T15065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15069] close(5)                    = 0
[pid 15069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15072 attached
) = 15072
[pid 15069] tkill(15072, SIGSTOP)       = 0
[pid 15072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15069, si_uid=65534} ---
[pid 15069] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15072] --- stopped by SIGSTOP ---
[pid 15069] <... exit_group resumed>)   = ?
[pid 15069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15069, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15073 attached
, child_tidptr=0x5555574e8650) = 15073
[pid 15073] set_robust_list(0x5555574e8660, 24) = 0
[pid 15073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15073] setpgid(0, 0)               = 0
[pid 15073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15073] write(3, "1000", 4)         = 4
[pid 15073] close(3)                    = 0
[pid 15073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  195.542605][T15069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15073] close(5)                    = 0
[pid 15073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15076 attached
) = 15076
[pid 15073] tkill(15076, SIGSTOP)       = 0
[pid 15073] exit_group(0 <unfinished ...>
[pid 15076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15073, si_uid=65534} ---
[pid 15073] <... exit_group resumed>)   = ?
[pid 15076] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15077 attached
, child_tidptr=0x5555574e8650) = 15077
[pid 15077] set_robust_list(0x5555574e8660, 24) = 0
[pid 15077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15077] setpgid(0, 0)               = 0
[pid 15077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15077] write(3, "1000", 4)         = 4
[pid 15077] close(3)                    = 0
[pid 15077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.607464][T15073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15077] close(5)                    = 0
[pid 15077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15080 attached
) = 15080
[pid 15077] tkill(15080, SIGSTOP)       = 0
[pid 15080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15077, si_uid=65534} ---
[pid 15077] exit_group(0 <unfinished ...>
[pid 15080] --- stopped by SIGSTOP ---
[pid 15077] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15077] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15081 attached
, child_tidptr=0x5555574e8650) = 15081
[pid 15081] set_robust_list(0x5555574e8660, 24) = 0
[pid 15081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15081] setpgid(0, 0)               = 0
[pid 15081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15081] write(3, "1000", 4)         = 4
[pid 15081] close(3)                    = 0
[pid 15081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.658752][T15077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15081] close(5)                    = 0
[pid 15081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15084 attached
) = 15084
[pid 15081] tkill(15084, SIGSTOP)       = 0
[pid 15084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15081, si_uid=65534} ---
[pid 15081] exit_group(0 <unfinished ...>
[pid 15084] --- stopped by SIGSTOP ---
[pid 15081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15081] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15085 attached
, child_tidptr=0x5555574e8650) = 15085
[pid 15085] set_robust_list(0x5555574e8660, 24) = 0
[pid 15085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15085] setpgid(0, 0)               = 0
[pid 15085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15085] write(3, "1000", 4)         = 4
[pid 15085] close(3)                    = 0
[pid 15085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.721320][T15081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15085] close(5)                    = 0
[pid 15085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15088 attached
) = 15088
[pid 15085] tkill(15088, SIGSTOP)       = 0
[pid 15088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15085, si_uid=65534} ---
[pid 15085] exit_group(0 <unfinished ...>
[pid 15088] --- stopped by SIGSTOP ---
[pid 15085] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15085] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15089 attached
, child_tidptr=0x5555574e8650) = 15089
[pid 15089] set_robust_list(0x5555574e8660, 24) = 0
[pid 15089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15089] setpgid(0, 0)               = 0
[pid 15089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15089] write(3, "1000", 4)         = 4
[pid 15089] close(3)                    = 0
[pid 15089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.776665][T15085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15089] close(5)                    = 0
[pid 15089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15092 attached
) = 15092
[pid 15089] tkill(15092, SIGSTOP)       = 0
[pid 15089] exit_group(0 <unfinished ...>
[pid 15092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15089, si_uid=65534} ---
[pid 15089] <... exit_group resumed>)   = ?
[pid 15092] --- stopped by SIGSTOP ---
[pid 15089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15093 attached
, child_tidptr=0x5555574e8650) = 15093
[pid 15093] set_robust_list(0x5555574e8660, 24) = 0
[pid 15093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15093] setpgid(0, 0)               = 0
[pid 15093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15093] write(3, "1000", 4)         = 4
[pid 15093] close(3)                    = 0
[pid 15093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.833389][T15089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15093] close(5)                    = 0
[pid 15093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15096 attached
) = 15096
[pid 15093] tkill(15096, SIGSTOP)       = 0
[pid 15096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15093, si_uid=65534} ---
[pid 15093] exit_group(0 <unfinished ...>
[pid 15096] --- stopped by SIGSTOP ---
[pid 15093] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15097 attached
, child_tidptr=0x5555574e8650) = 15097
[pid 15097] set_robust_list(0x5555574e8660, 24) = 0
[pid 15097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15097] setpgid(0, 0)               = 0
[pid 15097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15097] write(3, "1000", 4)         = 4
[pid 15097] close(3)                    = 0
[pid 15097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.889716][T15093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15097] close(5)                    = 0
[pid 15097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15100 attached
) = 15100
[pid 15097] tkill(15100, SIGSTOP)       = 0
[pid 15097] exit_group(0 <unfinished ...>
[pid 15100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15097, si_uid=65534} ---
[pid 15097] <... exit_group resumed>)   = ?
[pid 15100] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15101 attached
, child_tidptr=0x5555574e8650) = 15101
[pid 15101] set_robust_list(0x5555574e8660, 24) = 0
[pid 15101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15101] setpgid(0, 0)               = 0
[pid 15101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15101] write(3, "1000", 4)         = 4
[pid 15101] close(3)                    = 0
[pid 15101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.947387][T15097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15101] close(5)                    = 0
[pid 15101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15104 attached
) = 15104
[pid 15101] tkill(15104, SIGSTOP)       = 0
[pid 15104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15101, si_uid=65534} ---
[pid 15101] exit_group(0 <unfinished ...>
[pid 15104] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15101] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15101] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15105 attached
, child_tidptr=0x5555574e8650) = 15105
[pid 15105] set_robust_list(0x5555574e8660, 24) = 0
[pid 15105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15105] setpgid(0, 0)               = 0
[pid 15105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15105] write(3, "1000", 4)         = 4
[pid 15105] close(3)                    = 0
[pid 15105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  195.998474][T15101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15105] close(5)                    = 0
[pid 15105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15108 attached
) = 15108
[pid 15105] tkill(15108, SIGSTOP)       = 0
[pid 15108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15105, si_uid=65534} ---
[pid 15105] exit_group(0 <unfinished ...>
[pid 15108] --- stopped by SIGSTOP ---
[pid 15105] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15105] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15109 attached
, child_tidptr=0x5555574e8650) = 15109
[pid 15109] set_robust_list(0x5555574e8660, 24) = 0
[pid 15109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15109] setpgid(0, 0)               = 0
[pid 15109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15109] write(3, "1000", 4)         = 4
[pid 15109] close(3)                    = 0
[  196.052675][T15105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15109] close(5)                    = 0
[pid 15109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15112 attached
) = 15112
[pid 15109] tkill(15112, SIGSTOP)       = 0
[pid 15112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15109, si_uid=65534} ---
[pid 15109] exit_group(0 <unfinished ...>
[pid 15112] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15109] <... exit_group resumed>)   = ?
[pid 15109] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15113 attached
, child_tidptr=0x5555574e8650) = 15113
[pid 15113] set_robust_list(0x5555574e8660, 24) = 0
[pid 15113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15113] setpgid(0, 0)               = 0
[pid 15113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15113] write(3, "1000", 4)         = 4
[pid 15113] close(3)                    = 0
[pid 15113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  196.123704][T15109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15113] close(5)                    = 0
[pid 15113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15116 attached
) = 15116
[pid 15113] tkill(15116, SIGSTOP)       = 0
[pid 15116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15113, si_uid=65534} ---
[pid 15113] exit_group(0 <unfinished ...>
[pid 15116] --- stopped by SIGSTOP ---
[pid 15113] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15117 attached
, child_tidptr=0x5555574e8650) = 15117
[pid 15117] set_robust_list(0x5555574e8660, 24) = 0
[pid 15117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15117] setpgid(0, 0)               = 0
[pid 15117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15117] write(3, "1000", 4)         = 4
[pid 15117] close(3)                    = 0
[pid 15117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.189909][T15113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15117] close(5)                    = 0
[pid 15117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15120 attached
) = 15120
[pid 15117] tkill(15120, SIGSTOP)       = 0
[pid 15120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15117, si_uid=65534} ---
[pid 15120] --- stopped by SIGSTOP ---
[pid 15117] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15117, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15121 attached
, child_tidptr=0x5555574e8650) = 15121
[pid 15121] set_robust_list(0x5555574e8660, 24) = 0
[pid 15121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15121] setpgid(0, 0)               = 0
[pid 15121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15121] write(3, "1000", 4)         = 4
[pid 15121] close(3)                    = 0
[pid 15121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.245424][T15117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15121] close(5)                    = 0
[pid 15121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15124 attached
) = 15124
[pid 15121] tkill(15124, SIGSTOP)       = 0
[pid 15124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15121, si_uid=65534} ---
[pid 15121] exit_group(0 <unfinished ...>
[pid 15124] --- stopped by SIGSTOP ---
[pid 15121] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15121] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15125 attached
, child_tidptr=0x5555574e8650) = 15125
[pid 15125] set_robust_list(0x5555574e8660, 24) = 0
[pid 15125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15125] setpgid(0, 0)               = 0
[pid 15125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15125] write(3, "1000", 4)         = 4
[pid 15125] close(3)                    = 0
[pid 15125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.309779][T15121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15125] close(5)                    = 0
[pid 15125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15128 attached
) = 15128
[pid 15125] tkill(15128, SIGSTOP)       = 0
[pid 15128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15125, si_uid=65534} ---
[pid 15125] exit_group(0 <unfinished ...>
[pid 15128] --- stopped by SIGSTOP ---
[pid 15125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15125] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15129 attached
, child_tidptr=0x5555574e8650) = 15129
[pid 15129] set_robust_list(0x5555574e8660, 24) = 0
[pid 15129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15129] setpgid(0, 0)               = 0
[pid 15129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15129] write(3, "1000", 4)         = 4
[pid 15129] close(3)                    = 0
[pid 15129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.361326][T15125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15129] close(5)                    = 0
[pid 15129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15132 attached
) = 15132
[pid 15129] tkill(15132, SIGSTOP)       = 0
[pid 15132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15129, si_uid=65534} ---
[pid 15129] exit_group(0 <unfinished ...>
[pid 15132] --- stopped by SIGSTOP ---
[pid 15129] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15133 attached
, child_tidptr=0x5555574e8650) = 15133
[pid 15133] set_robust_list(0x5555574e8660, 24) = 0
[pid 15133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15133] setpgid(0, 0)               = 0
[pid 15133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15133] write(3, "1000", 4)         = 4
[pid 15133] close(3)                    = 0
[pid 15133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.414663][T15129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15133] close(5)                    = 0
[pid 15133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15136 attached
) = 15136
[pid 15133] tkill(15136, SIGSTOP)       = 0
[pid 15133] exit_group(0 <unfinished ...>
[pid 15136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15133, si_uid=65534} ---
[pid 15133] <... exit_group resumed>)   = ?
[pid 15136] --- stopped by SIGSTOP ---
[pid 15133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15137 attached
, child_tidptr=0x5555574e8650) = 15137
[pid 15137] set_robust_list(0x5555574e8660, 24) = 0
[pid 15137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15137] setpgid(0, 0)               = 0
[pid 15137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15137] write(3, "1000", 4)         = 4
[pid 15137] close(3)                    = 0
[pid 15137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.478672][T15133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15137] close(5)                    = 0
[pid 15137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15140 attached
) = 15140
[pid 15137] tkill(15140, SIGSTOP)       = 0
[pid 15137] exit_group(0 <unfinished ...>
[pid 15140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15137, si_uid=65534} ---
[pid 15137] <... exit_group resumed>)   = ?
[pid 15140] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15141 attached
, child_tidptr=0x5555574e8650) = 15141
[pid 15141] set_robust_list(0x5555574e8660, 24) = 0
[pid 15141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15141] setpgid(0, 0)               = 0
[pid 15141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15141] write(3, "1000", 4)         = 4
[pid 15141] close(3)                    = 0
[pid 15141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.531621][T15137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15141] close(5)                    = 0
[pid 15141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15144 attached
) = 15144
[pid 15141] tkill(15144, SIGSTOP)       = 0
[pid 15144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15141, si_uid=65534} ---
[pid 15141] exit_group(0 <unfinished ...>
[pid 15144] --- stopped by SIGSTOP ---
[pid 15141] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15141] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15145 attached
, child_tidptr=0x5555574e8650) = 15145
[pid 15145] set_robust_list(0x5555574e8660, 24) = 0
[pid 15145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15145] setpgid(0, 0)               = 0
[pid 15145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15145] write(3, "1000", 4)         = 4
[pid 15145] close(3)                    = 0
[pid 15145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.583499][T15141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15145] close(5)                    = 0
[pid 15145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15148 attached
) = 15148
[pid 15145] tkill(15148, SIGSTOP)       = 0
[pid 15148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15145, si_uid=65534} ---
[pid 15145] exit_group(0 <unfinished ...>
[pid 15148] --- stopped by SIGSTOP ---
[pid 15145] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15145] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15149 attached
, child_tidptr=0x5555574e8650) = 15149
[pid 15149] set_robust_list(0x5555574e8660, 24) = 0
[pid 15149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15149] setpgid(0, 0)               = 0
[pid 15149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15149] write(3, "1000", 4)         = 4
[pid 15149] close(3)                    = 0
[pid 15149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.638244][T15145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15149] close(5)                    = 0
[pid 15149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15152 attached
) = 15152
[pid 15149] tkill(15152, SIGSTOP)       = 0
[pid 15152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15149, si_uid=65534} ---
[pid 15149] exit_group(0 <unfinished ...>
[pid 15152] --- stopped by SIGSTOP ---
[pid 15149] <... exit_group resumed>)   = ?
[pid 15149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15149, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15153 attached
, child_tidptr=0x5555574e8650) = 15153
[pid 15153] set_robust_list(0x5555574e8660, 24) = 0
[pid 15153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15153] setpgid(0, 0)               = 0
[pid 15153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15153] write(3, "1000", 4)         = 4
[pid 15153] close(3)                    = 0
[pid 15153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.694548][T15149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15153] close(5)                    = 0
[pid 15153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15156 attached
) = 15156
[pid 15153] tkill(15156, SIGSTOP)       = 0
[pid 15156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15153, si_uid=65534} ---
[pid 15153] exit_group(0 <unfinished ...>
[pid 15156] --- stopped by SIGSTOP ---
[pid 15153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15153] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15153, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15157 attached
, child_tidptr=0x5555574e8650) = 15157
[pid 15157] set_robust_list(0x5555574e8660, 24) = 0
[pid 15157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15157] setpgid(0, 0)               = 0
[pid 15157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15157] write(3, "1000", 4)         = 4
[pid 15157] close(3)                    = 0
[pid 15157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.744485][T15153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15157] close(5)                    = 0
[pid 15157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15160 attached
) = 15160
[pid 15157] tkill(15160, SIGSTOP)       = 0
[pid 15160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15157, si_uid=65534} ---
[pid 15157] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15160] --- stopped by SIGSTOP ---
[pid 15157] <... exit_group resumed>)   = ?
[pid 15157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15157, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15161 attached
, child_tidptr=0x5555574e8650) = 15161
[pid 15161] set_robust_list(0x5555574e8660, 24) = 0
[pid 15161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15161] setpgid(0, 0)               = 0
[pid 15161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15161] write(3, "1000", 4)         = 4
[pid 15161] close(3)                    = 0
[pid 15161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.800167][T15157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15161] close(5)                    = 0
[pid 15161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15164 attached
) = 15164
[pid 15161] tkill(15164, SIGSTOP)       = 0
[pid 15164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15161, si_uid=65534} ---
[pid 15161] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15164] --- stopped by SIGSTOP ---
[pid 15161] <... exit_group resumed>)   = ?
[pid 15161] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15161, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15165 attached
, child_tidptr=0x5555574e8650) = 15165
[pid 15165] set_robust_list(0x5555574e8660, 24) = 0
[pid 15165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15165] setpgid(0, 0)               = 0
[pid 15165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15165] write(3, "1000", 4)         = 4
[pid 15165] close(3)                    = 0
[pid 15165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.854482][T15161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15165] close(5)                    = 0
[pid 15165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15168 attached
) = 15168
[pid 15165] tkill(15168, SIGSTOP)       = 0
[pid 15165] exit_group(0 <unfinished ...>
[pid 15168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15165, si_uid=65534} ---
[pid 15165] <... exit_group resumed>)   = ?
[pid 15168] --- stopped by SIGSTOP ---
[pid 15165] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15169 attached
, child_tidptr=0x5555574e8650) = 15169
[pid 15169] set_robust_list(0x5555574e8660, 24) = 0
[pid 15169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15169] setpgid(0, 0)               = 0
[pid 15169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15169] write(3, "1000", 4)         = 4
[pid 15169] close(3)                    = 0
[pid 15169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.917666][T15165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15169] close(5)                    = 0
[pid 15169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15172 attached
) = 15172
[pid 15169] tkill(15172, SIGSTOP)       = 0
[pid 15169] exit_group(0 <unfinished ...>
[pid 15172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15169, si_uid=65534} ---
[pid 15169] <... exit_group resumed>)   = ?
[pid 15172] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15169] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15173 attached
, child_tidptr=0x5555574e8650) = 15173
[pid 15173] set_robust_list(0x5555574e8660, 24) = 0
[pid 15173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15173] setpgid(0, 0)               = 0
[pid 15173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15173] write(3, "1000", 4)         = 4
[pid 15173] close(3)                    = 0
[pid 15173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  196.968921][T15169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15173] close(5)                    = 0
[pid 15173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15176 attached
) = 15176
[pid 15173] tkill(15176, SIGSTOP)       = 0
[pid 15173] exit_group(0 <unfinished ...>
[pid 15176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15173, si_uid=65534} ---
[pid 15173] <... exit_group resumed>)   = ?
[pid 15176] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15173, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15177 attached
, child_tidptr=0x5555574e8650) = 15177
[pid 15177] set_robust_list(0x5555574e8660, 24) = 0
[pid 15177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15177] setpgid(0, 0)               = 0
[pid 15177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15177] write(3, "1000", 4)         = 4
[pid 15177] close(3)                    = 0
[pid 15177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.025508][T15173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15177] close(5)                    = 0
[pid 15177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15180 attached
) = 15180
[pid 15177] tkill(15180, SIGSTOP)       = 0
[pid 15180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15177, si_uid=65534} ---
[pid 15177] exit_group(0 <unfinished ...>
[pid 15180] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15177] <... exit_group resumed>)   = ?
[pid 15177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15181 attached
, child_tidptr=0x5555574e8650) = 15181
[pid 15181] set_robust_list(0x5555574e8660, 24) = 0
[pid 15181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15181] setpgid(0, 0)               = 0
[pid 15181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15181] write(3, "1000", 4)         = 4
[pid 15181] close(3)                    = 0
[pid 15181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.077846][T15177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15181] close(5)                    = 0
[pid 15181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15184 attached
) = 15184
[pid 15181] tkill(15184, SIGSTOP)       = 0
[pid 15184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15181, si_uid=65534} ---
[pid 15181] exit_group(0 <unfinished ...>
[pid 15184] --- stopped by SIGSTOP ---
[pid 15181] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15181, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15185 attached
, child_tidptr=0x5555574e8650) = 15185
[pid 15185] set_robust_list(0x5555574e8660, 24) = 0
[pid 15185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15185] setpgid(0, 0)               = 0
[pid 15185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15185] write(3, "1000", 4)         = 4
[pid 15185] close(3)                    = 0
[pid 15185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.133216][T15181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15185] close(5)                    = 0
[pid 15185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15188 attached
) = 15188
[pid 15185] tkill(15188, SIGSTOP)       = 0
[pid 15185] exit_group(0 <unfinished ...>
[pid 15188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15185, si_uid=65534} ---
[pid 15185] <... exit_group resumed>)   = ?
[pid 15188] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15185] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15185, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15189 attached
, child_tidptr=0x5555574e8650) = 15189
[pid 15189] set_robust_list(0x5555574e8660, 24) = 0
[pid 15189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15189] setpgid(0, 0)               = 0
[pid 15189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15189] write(3, "1000", 4)         = 4
[pid 15189] close(3)                    = 0
[pid 15189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.190900][T15185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15189] close(5)                    = 0
[pid 15189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15192 attached
) = 15192
[pid 15189] tkill(15192, SIGSTOP)       = 0
[pid 15189] exit_group(0 <unfinished ...>
[pid 15192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15189, si_uid=65534} ---
[pid 15189] <... exit_group resumed>)   = ?
[pid 15192] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15189] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15189, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15193 attached
, child_tidptr=0x5555574e8650) = 15193
[pid 15193] set_robust_list(0x5555574e8660, 24) = 0
[pid 15193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15193] setpgid(0, 0)               = 0
[pid 15193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15193] write(3, "1000", 4)         = 4
[pid 15193] close(3)                    = 0
[pid 15193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.244946][T15189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15193] close(5)                    = 0
[pid 15193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15196 attached
) = 15196
[pid 15193] tkill(15196, SIGSTOP)       = 0
[pid 15196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15193, si_uid=65534} ---
[pid 15193] exit_group(0 <unfinished ...>
[pid 15196] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15193] <... exit_group resumed>)   = ?
[pid 15193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15197 attached
, child_tidptr=0x5555574e8650) = 15197
[pid 15197] set_robust_list(0x5555574e8660, 24) = 0
[pid 15197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15197] setpgid(0, 0)               = 0
[pid 15197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15197] write(3, "1000", 4)         = 4
[pid 15197] close(3)                    = 0
[pid 15197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  197.299001][T15193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15197] close(5)                    = 0
[pid 15197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15200 attached
) = 15200
[pid 15197] tkill(15200, SIGSTOP)       = 0
[pid 15197] exit_group(0 <unfinished ...>
[pid 15200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15197, si_uid=65534} ---
[pid 15197] <... exit_group resumed>)   = ?
[pid 15200] --- stopped by SIGSTOP ---
[pid 15197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15201 attached
, child_tidptr=0x5555574e8650) = 15201
[pid 15201] set_robust_list(0x5555574e8660, 24) = 0
[pid 15201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15201] setpgid(0, 0)               = 0
[pid 15201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15201] write(3, "1000", 4)         = 4
[pid 15201] close(3)                    = 0
[pid 15201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.365564][T15197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15201] close(5)                    = 0
[pid 15201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15204 attached
) = 15204
[pid 15201] tkill(15204, SIGSTOP)       = 0
[pid 15201] exit_group(0 <unfinished ...>
[pid 15204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15201, si_uid=65534} ---
[pid 15201] <... exit_group resumed>)   = ?
[pid 15204] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15205 attached
, child_tidptr=0x5555574e8650) = 15205
[pid 15205] set_robust_list(0x5555574e8660, 24) = 0
[pid 15205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15205] setpgid(0, 0)               = 0
[pid 15205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15205] write(3, "1000", 4)         = 4
[pid 15205] close(3)                    = 0
[pid 15205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.418856][T15201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15205] close(5)                    = 0
[pid 15205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15208 attached
) = 15208
[pid 15205] tkill(15208, SIGSTOP)       = 0
[pid 15208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15205, si_uid=65534} ---
[pid 15205] exit_group(0 <unfinished ...>
[pid 15208] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15205] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15209 attached
, child_tidptr=0x5555574e8650) = 15209
[pid 15209] set_robust_list(0x5555574e8660, 24) = 0
[pid 15209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15209] setpgid(0, 0)               = 0
[pid 15209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15209] write(3, "1000", 4)         = 4
[pid 15209] close(3)                    = 0
[pid 15209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.470025][T15205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15209] close(5)                    = 0
[pid 15209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15212 attached
) = 15212
[pid 15209] tkill(15212, SIGSTOP)       = 0
[pid 15212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15209, si_uid=65534} ---
[pid 15212] --- stopped by SIGSTOP ---
[pid 15209] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15213 attached
, child_tidptr=0x5555574e8650) = 15213
[pid 15213] set_robust_list(0x5555574e8660, 24) = 0
[pid 15213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15213] setpgid(0, 0)               = 0
[pid 15213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15213] write(3, "1000", 4)         = 4
[pid 15213] close(3)                    = 0
[pid 15213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.520333][T15209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15213] close(5)                    = 0
[pid 15213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15216 attached
) = 15216
[pid 15213] tkill(15216, SIGSTOP)       = 0
[pid 15216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15213, si_uid=65534} ---
[pid 15213] exit_group(0 <unfinished ...>
[pid 15216] --- stopped by SIGSTOP ---
[pid 15213] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15213] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15217 attached
, child_tidptr=0x5555574e8650) = 15217
[pid 15217] set_robust_list(0x5555574e8660, 24) = 0
[pid 15217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15217] setpgid(0, 0)               = 0
[pid 15217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15217] write(3, "1000", 4)         = 4
[pid 15217] close(3)                    = 0
[pid 15217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.577791][T15213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15217] close(5)                    = 0
[pid 15217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15220 attached
) = 15220
[pid 15217] tkill(15220, SIGSTOP)       = 0
[pid 15220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15217, si_uid=65534} ---
[pid 15217] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15220] --- stopped by SIGSTOP ---
[pid 15217] <... exit_group resumed>)   = ?
[pid 15217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15221 attached
, child_tidptr=0x5555574e8650) = 15221
[pid 15221] set_robust_list(0x5555574e8660, 24) = 0
[pid 15221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15221] setpgid(0, 0)               = 0
[pid 15221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15221] write(3, "1000", 4)         = 4
[pid 15221] close(3)                    = 0
[pid 15221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.632687][T15217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15221] close(5)                    = 0
[pid 15221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15224 attached
) = 15224
[pid 15221] tkill(15224, SIGSTOP)       = 0
[pid 15224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15221, si_uid=65534} ---
[pid 15221] exit_group(0 <unfinished ...>
[pid 15224] --- stopped by SIGSTOP ---
[pid 15221] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15225 attached
, child_tidptr=0x5555574e8650) = 15225
[pid 15225] set_robust_list(0x5555574e8660, 24) = 0
[pid 15225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15225] setpgid(0, 0)               = 0
[pid 15225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15225] write(3, "1000", 4)         = 4
[pid 15225] close(3)                    = 0
[pid 15225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.696668][T15221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15225] close(5)                    = 0
[pid 15225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15228 attached
) = 15228
[pid 15225] tkill(15228, SIGSTOP)       = 0
[pid 15228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15225, si_uid=65534} ---
[pid 15225] exit_group(0 <unfinished ...>
[pid 15228] --- stopped by SIGSTOP ---
[pid 15225] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15225] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15229 attached
, child_tidptr=0x5555574e8650) = 15229
[pid 15229] set_robust_list(0x5555574e8660, 24) = 0
[pid 15229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15229] setpgid(0, 0)               = 0
[pid 15229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15229] write(3, "1000", 4)         = 4
[pid 15229] close(3)                    = 0
[pid 15229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.748025][T15225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15229] close(5)                    = 0
[pid 15229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15232 attached
) = 15232
[pid 15229] tkill(15232, SIGSTOP)       = 0
[pid 15232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15229, si_uid=65534} ---
[pid 15229] exit_group(0 <unfinished ...>
[pid 15232] --- stopped by SIGSTOP ---
[pid 15229] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15229] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15229, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15233 attached
, child_tidptr=0x5555574e8650) = 15233
[pid 15233] set_robust_list(0x5555574e8660, 24) = 0
[pid 15233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15233] setpgid(0, 0)               = 0
[pid 15233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15233] write(3, "1000", 4)         = 4
[pid 15233] close(3)                    = 0
[pid 15233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.801990][T15229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15233] close(5)                    = 0
[pid 15233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15236 attached
) = 15236
[pid 15233] tkill(15236, SIGSTOP)       = 0
[pid 15236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15233, si_uid=65534} ---
[pid 15233] exit_group(0 <unfinished ...>
[pid 15236] --- stopped by SIGSTOP ---
[pid 15233] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15237 attached
, child_tidptr=0x5555574e8650) = 15237
[pid 15237] set_robust_list(0x5555574e8660, 24) = 0
[pid 15237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15237] setpgid(0, 0)               = 0
[pid 15237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15237] write(3, "1000", 4)         = 4
[pid 15237] close(3)                    = 0
[pid 15237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.851143][T15233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15237] close(5)                    = 0
[pid 15237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15240 attached
) = 15240
[pid 15237] tkill(15240, SIGSTOP)       = 0
[pid 15240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15237, si_uid=65534} ---
[pid 15237] exit_group(0 <unfinished ...>
[pid 15240] --- stopped by SIGSTOP ---
[pid 15237] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15237] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15237, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15241 attached
, child_tidptr=0x5555574e8650) = 15241
[pid 15241] set_robust_list(0x5555574e8660, 24) = 0
[pid 15241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15241] setpgid(0, 0)               = 0
[pid 15241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15241] write(3, "1000", 4)         = 4
[pid 15241] close(3)                    = 0
[pid 15241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.907077][T15237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15241] close(5)                    = 0
[pid 15241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15244 attached
) = 15244
[pid 15241] tkill(15244, SIGSTOP)       = 0
[pid 15244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15241, si_uid=65534} ---
[pid 15241] exit_group(0 <unfinished ...>
[pid 15244] --- stopped by SIGSTOP ---
[pid 15241] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15241] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15245 attached
, child_tidptr=0x5555574e8650) = 15245
[pid 15245] set_robust_list(0x5555574e8660, 24) = 0
[pid 15245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15245] setpgid(0, 0)               = 0
[pid 15245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15245] write(3, "1000", 4)         = 4
[pid 15245] close(3)                    = 0
[pid 15245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  197.958511][T15241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15245] close(5)                    = 0
[pid 15245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15248 attached
) = 15248
[pid 15245] tkill(15248, SIGSTOP)       = 0
[pid 15248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15245, si_uid=65534} ---
[pid 15245] exit_group(0 <unfinished ...>
[pid 15248] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15245] <... exit_group resumed>)   = ?
[pid 15245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15249 attached
, child_tidptr=0x5555574e8650) = 15249
[pid 15249] set_robust_list(0x5555574e8660, 24) = 0
[pid 15249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15249] setpgid(0, 0)               = 0
[pid 15249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15249] write(3, "1000", 4)         = 4
[pid 15249] close(3)                    = 0
[pid 15249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.009299][T15245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15249] close(5)                    = 0
[pid 15249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15252 attached
) = 15252
[pid 15249] tkill(15252, SIGSTOP)       = 0
[pid 15252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15249, si_uid=65534} ---
[pid 15249] exit_group(0 <unfinished ...>
[pid 15252] --- stopped by SIGSTOP ---
[pid 15249] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15253 attached
, child_tidptr=0x5555574e8650) = 15253
[pid 15253] set_robust_list(0x5555574e8660, 24) = 0
[pid 15253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15253] setpgid(0, 0)               = 0
[pid 15253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15253] write(3, "1000", 4)         = 4
[pid 15253] close(3)                    = 0
[pid 15253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.062272][T15249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15253] close(5)                    = 0
[pid 15253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15256 attached
) = 15256
[pid 15253] tkill(15256, SIGSTOP)       = 0
[pid 15256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15253, si_uid=65534} ---
[pid 15253] exit_group(0 <unfinished ...>
[pid 15256] --- stopped by SIGSTOP ---
[pid 15253] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15257 attached
, child_tidptr=0x5555574e8650) = 15257
[pid 15257] set_robust_list(0x5555574e8660, 24) = 0
[pid 15257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15257] setpgid(0, 0)               = 0
[pid 15257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15257] write(3, "1000", 4)         = 4
[pid 15257] close(3)                    = 0
[pid 15257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.118148][T15253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15257] close(5)                    = 0
[pid 15257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15260 attached
) = 15260
[pid 15257] tkill(15260, SIGSTOP)       = 0
[pid 15260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15257, si_uid=65534} ---
[pid 15257] exit_group(0 <unfinished ...>
[pid 15260] --- stopped by SIGSTOP ---
[pid 15257] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15257] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15257, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15261 attached
, child_tidptr=0x5555574e8650) = 15261
[pid 15261] set_robust_list(0x5555574e8660, 24) = 0
[pid 15261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15261] setpgid(0, 0)               = 0
[pid 15261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15261] write(3, "1000", 4)         = 4
[pid 15261] close(3)                    = 0
[pid 15261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.174395][T15257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15261] close(5)                    = 0
[pid 15261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15264 attached
) = 15264
[pid 15261] tkill(15264, SIGSTOP)       = 0
[pid 15264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15261, si_uid=65534} ---
[pid 15261] exit_group(0 <unfinished ...>
[pid 15264] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15261] <... exit_group resumed>)   = ?
[pid 15261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15261, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15265 attached
, child_tidptr=0x5555574e8650) = 15265
[pid 15265] set_robust_list(0x5555574e8660, 24) = 0
[pid 15265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15265] setpgid(0, 0)               = 0
[pid 15265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15265] write(3, "1000", 4)         = 4
[pid 15265] close(3)                    = 0
[pid 15265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.227136][T15261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15265] close(5)                    = 0
[pid 15265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15268 attached
) = 15268
[pid 15265] tkill(15268, SIGSTOP)       = 0
[pid 15268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15265, si_uid=65534} ---
[pid 15265] exit_group(0 <unfinished ...>
[pid 15268] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15265] <... exit_group resumed>)   = ?
[pid 15265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15265, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15269 attached
, child_tidptr=0x5555574e8650) = 15269
[pid 15269] set_robust_list(0x5555574e8660, 24) = 0
[pid 15269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15269] setpgid(0, 0)               = 0
[pid 15269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15269] write(3, "1000", 4)         = 4
[pid 15269] close(3)                    = 0
[pid 15269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.283390][T15265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15269] close(5)                    = 0
[pid 15269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15272 attached
) = 15272
[pid 15269] tkill(15272, SIGSTOP)       = 0
[pid 15272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15269, si_uid=65534} ---
[pid 15269] exit_group(0 <unfinished ...>
[pid 15272] --- stopped by SIGSTOP ---
[pid 15269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15269] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15269, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15273 attached
, child_tidptr=0x5555574e8650) = 15273
[pid 15273] set_robust_list(0x5555574e8660, 24) = 0
[pid 15273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15273] setpgid(0, 0)               = 0
[pid 15273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15273] write(3, "1000", 4)         = 4
[pid 15273] close(3)                    = 0
[pid 15273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.344659][T15269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15273] close(5)                    = 0
[pid 15273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15276 attached
) = 15276
[pid 15273] tkill(15276, SIGSTOP)       = 0
[pid 15273] exit_group(0 <unfinished ...>
[pid 15276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15273, si_uid=65534} ---
[pid 15273] <... exit_group resumed>)   = ?
[pid 15276] --- stopped by SIGSTOP ---
[pid 15273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15277 attached
, child_tidptr=0x5555574e8650) = 15277
[pid 15277] set_robust_list(0x5555574e8660, 24) = 0
[pid 15277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15277] setpgid(0, 0)               = 0
[pid 15277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15277] write(3, "1000", 4)         = 4
[pid 15277] close(3)                    = 0
[pid 15277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.396242][T15273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15277] close(5)                    = 0
[pid 15277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15280 attached
) = 15280
[pid 15277] tkill(15280, SIGSTOP)       = 0
[pid 15280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15277, si_uid=65534} ---
[pid 15277] exit_group(0 <unfinished ...>
[pid 15280] --- stopped by SIGSTOP ---
[pid 15277] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15277, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15281 attached
, child_tidptr=0x5555574e8650) = 15281
[pid 15281] set_robust_list(0x5555574e8660, 24) = 0
[pid 15281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15281] setpgid(0, 0)               = 0
[pid 15281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15281] write(3, "1000", 4)         = 4
[pid 15281] close(3)                    = 0
[pid 15281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.444834][T15277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15281] close(5)                    = 0
[pid 15281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15284 attached
) = 15284
[pid 15281] tkill(15284, SIGSTOP)       = 0
[pid 15281] exit_group(0 <unfinished ...>
[pid 15284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15281, si_uid=65534} ---
[pid 15281] <... exit_group resumed>)   = ?
[pid 15284] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15285 attached
, child_tidptr=0x5555574e8650) = 15285
[pid 15285] set_robust_list(0x5555574e8660, 24) = 0
[pid 15285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15285] setpgid(0, 0)               = 0
[pid 15285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15285] write(3, "1000", 4)         = 4
[pid 15285] close(3)                    = 0
[  198.507007][T15281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15285] close(5)                    = 0
[pid 15285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15288 attached
) = 15288
[pid 15285] tkill(15288, SIGSTOP)       = 0
[pid 15288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15285, si_uid=65534} ---
[pid 15285] exit_group(0 <unfinished ...>
[pid 15288] --- stopped by SIGSTOP ---
[pid 15285] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15285, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15289 attached
, child_tidptr=0x5555574e8650) = 15289
[pid 15289] set_robust_list(0x5555574e8660, 24) = 0
[pid 15289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15289] setpgid(0, 0)               = 0
[pid 15289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15289] write(3, "1000", 4)         = 4
[pid 15289] close(3)                    = 0
[pid 15289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.574201][T15285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15289] close(5)                    = 0
[pid 15289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15292 attached
) = 15292
[pid 15289] tkill(15292, SIGSTOP)       = 0
[pid 15289] exit_group(0)               = ?
[pid 15292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15289, si_uid=65534} ---
[pid 15292] --- stopped by SIGSTOP ---
[pid 15289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15293 attached
, child_tidptr=0x5555574e8650) = 15293
[pid 15293] set_robust_list(0x5555574e8660, 24) = 0
[pid 15293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15293] setpgid(0, 0)               = 0
[pid 15293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15293] write(3, "1000", 4)         = 4
[pid 15293] close(3)                    = 0
[pid 15293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.626896][T15289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15293] close(5)                    = 0
[pid 15293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15296 attached
) = 15296
[pid 15293] tkill(15296, SIGSTOP)       = 0
[pid 15296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15293, si_uid=65534} ---
[pid 15293] exit_group(0 <unfinished ...>
[pid 15296] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15293] <... exit_group resumed>)   = ?
[pid 15293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15297 attached
, child_tidptr=0x5555574e8650) = 15297
[pid 15297] set_robust_list(0x5555574e8660, 24) = 0
[pid 15297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15297] setpgid(0, 0)               = 0
[pid 15297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15297] write(3, "1000", 4)         = 4
[pid 15297] close(3)                    = 0
[pid 15297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.675888][T15293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15297] close(5)                    = 0
[pid 15297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15300 attached
) = 15300
[pid 15297] tkill(15300, SIGSTOP)       = 0
[pid 15300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15297, si_uid=65534} ---
[pid 15297] exit_group(0 <unfinished ...>
[pid 15300] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15297] <... exit_group resumed>)   = ?
[pid 15297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15301 attached
, child_tidptr=0x5555574e8650) = 15301
[pid 15301] set_robust_list(0x5555574e8660, 24) = 0
[pid 15301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15301] setpgid(0, 0)               = 0
[pid 15301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15301] write(3, "1000", 4)         = 4
[pid 15301] close(3)                    = 0
[pid 15301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.729423][T15297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15301] close(5)                    = 0
[pid 15301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15304 attached
) = 15304
[pid 15301] tkill(15304, SIGSTOP)       = 0
[pid 15304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15301, si_uid=65534} ---
[pid 15301] exit_group(0 <unfinished ...>
[pid 15304] --- stopped by SIGSTOP ---
[pid 15301] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15301] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15301, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15305 attached
, child_tidptr=0x5555574e8650) = 15305
[pid 15305] set_robust_list(0x5555574e8660, 24) = 0
[pid 15305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15305] setpgid(0, 0)               = 0
[pid 15305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15305] write(3, "1000", 4)         = 4
[pid 15305] close(3)                    = 0
[pid 15305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.785182][T15301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15305] close(5)                    = 0
[pid 15305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15308 attached
) = 15308
[pid 15305] tkill(15308, SIGSTOP)       = 0
[pid 15308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15305, si_uid=65534} ---
[pid 15305] exit_group(0 <unfinished ...>
[pid 15308] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15305] <... exit_group resumed>)   = ?
[pid 15305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15305, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15309 attached
, child_tidptr=0x5555574e8650) = 15309
[pid 15309] set_robust_list(0x5555574e8660, 24) = 0
[pid 15309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15309] setpgid(0, 0)               = 0
[pid 15309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15309] write(3, "1000", 4)         = 4
[pid 15309] close(3)                    = 0
[pid 15309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.840288][T15305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15309] close(5)                    = 0
[pid 15309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15312 attached
) = 15312
[pid 15309] tkill(15312, SIGSTOP)       = 0
[pid 15312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15309, si_uid=65534} ---
[pid 15309] exit_group(0 <unfinished ...>
[pid 15312] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15309] <... exit_group resumed>)   = ?
[pid 15309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15309, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15313 attached
, child_tidptr=0x5555574e8650) = 15313
[pid 15313] set_robust_list(0x5555574e8660, 24) = 0
[pid 15313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15313] setpgid(0, 0)               = 0
[pid 15313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15313] write(3, "1000", 4)         = 4
[pid 15313] close(3)                    = 0
[pid 15313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.894866][T15309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15313] close(5)                    = 0
[pid 15313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15316 attached
) = 15316
[pid 15313] tkill(15316, SIGSTOP)       = 0
[pid 15313] exit_group(0 <unfinished ...>
[pid 15316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15313, si_uid=65534} ---
[pid 15313] <... exit_group resumed>)   = ?
[pid 15316] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15313] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15317 attached
, child_tidptr=0x5555574e8650) = 15317
[pid 15317] set_robust_list(0x5555574e8660, 24) = 0
[pid 15317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15317] setpgid(0, 0)               = 0
[pid 15317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15317] write(3, "1000", 4)         = 4
[pid 15317] close(3)                    = 0
[pid 15317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  198.958180][T15313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15317] close(5)                    = 0
[pid 15317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15320 attached
) = 15320
[pid 15317] tkill(15320, SIGSTOP)       = 0
[pid 15320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15317, si_uid=65534} ---
[pid 15317] exit_group(0 <unfinished ...>
[pid 15320] --- stopped by SIGSTOP ---
[pid 15317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15317, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15321 attached
, child_tidptr=0x5555574e8650) = 15321
[pid 15321] set_robust_list(0x5555574e8660, 24) = 0
[pid 15321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15321] setpgid(0, 0)               = 0
[pid 15321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15321] write(3, "1000", 4)         = 4
[pid 15321] close(3)                    = 0
[pid 15321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.010171][T15317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15321] close(5)                    = 0
[pid 15321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15324 attached
) = 15324
[pid 15321] tkill(15324, SIGSTOP)       = 0
[pid 15321] exit_group(0 <unfinished ...>
[pid 15324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15321, si_uid=65534} ---
[pid 15321] <... exit_group resumed>)   = ?
[pid 15324] --- stopped by SIGSTOP ---
[pid 15321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15325 attached
, child_tidptr=0x5555574e8650) = 15325
[pid 15325] set_robust_list(0x5555574e8660, 24) = 0
[pid 15325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15325] setpgid(0, 0)               = 0
[pid 15325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15325] write(3, "1000", 4)         = 4
[pid 15325] close(3)                    = 0
[pid 15325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.064117][T15321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15325] close(5)                    = 0
[pid 15325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15328 attached
) = 15328
[pid 15325] tkill(15328, SIGSTOP)       = 0
[pid 15325] exit_group(0 <unfinished ...>
[pid 15328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15325, si_uid=65534} ---
[pid 15325] <... exit_group resumed>)   = ?
[pid 15328] --- stopped by SIGSTOP ---
[pid 15325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15329 attached
, child_tidptr=0x5555574e8650) = 15329
[pid 15329] set_robust_list(0x5555574e8660, 24) = 0
[pid 15329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15329] setpgid(0, 0)               = 0
[pid 15329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15329] write(3, "1000", 4)         = 4
[pid 15329] close(3)                    = 0
[pid 15329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.114376][T15325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15329] close(5)                    = 0
[pid 15329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15332 attached
) = 15332
[pid 15329] tkill(15332, SIGSTOP)       = 0
[pid 15329] exit_group(0 <unfinished ...>
[pid 15332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15329, si_uid=65534} ---
[pid 15329] <... exit_group resumed>)   = ?
[pid 15332] --- stopped by SIGSTOP ---
[pid 15329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15333 attached
, child_tidptr=0x5555574e8650) = 15333
[pid 15333] set_robust_list(0x5555574e8660, 24) = 0
[pid 15333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15333] setpgid(0, 0)               = 0
[pid 15333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15333] write(3, "1000", 4)         = 4
[pid 15333] close(3)                    = 0
[pid 15333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.165459][T15329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15333] close(5)                    = 0
[pid 15333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15336 attached
) = 15336
[pid 15333] tkill(15336, SIGSTOP)       = 0
[pid 15333] exit_group(0 <unfinished ...>
[pid 15336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15333, si_uid=65534} ---
[pid 15333] <... exit_group resumed>)   = ?
[pid 15336] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15333] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15337 attached
, child_tidptr=0x5555574e8650) = 15337
[pid 15337] set_robust_list(0x5555574e8660, 24) = 0
[pid 15337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15337] setpgid(0, 0)               = 0
[pid 15337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15337] write(3, "1000", 4)         = 4
[pid 15337] close(3)                    = 0
[pid 15337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.216251][T15333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15337] close(5)                    = 0
[pid 15337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15340 attached
) = 15340
[pid 15337] tkill(15340, SIGSTOP)       = 0
[pid 15340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15337, si_uid=65534} ---
[pid 15337] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15340] --- stopped by SIGSTOP ---
[pid 15337] <... exit_group resumed>)   = ?
[pid 15337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15341 attached
, child_tidptr=0x5555574e8650) = 15341
[pid 15341] set_robust_list(0x5555574e8660, 24) = 0
[pid 15341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15341] setpgid(0, 0)               = 0
[pid 15341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15341] write(3, "1000", 4)         = 4
[pid 15341] close(3)                    = 0
[pid 15341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.269956][T15337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15341] close(5)                    = 0
[pid 15341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15344 attached
) = 15344
[pid 15341] tkill(15344, SIGSTOP)       = 0
[pid 15344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15341, si_uid=65534} ---
[pid 15341] exit_group(0 <unfinished ...>
[pid 15344] --- stopped by SIGSTOP ---
[pid 15341] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15341, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15345 attached
, child_tidptr=0x5555574e8650) = 15345
[pid 15345] set_robust_list(0x5555574e8660, 24) = 0
[pid 15345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15345] setpgid(0, 0)               = 0
[pid 15345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15345] write(3, "1000", 4)         = 4
[pid 15345] close(3)                    = 0
[pid 15345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.324681][T15341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15345] close(5)                    = 0
[pid 15345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15348 attached
) = 15348
[pid 15345] tkill(15348, SIGSTOP)       = 0
[pid 15348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15345, si_uid=65534} ---
[pid 15345] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15348] --- stopped by SIGSTOP ---
[pid 15345] <... exit_group resumed>)   = ?
[pid 15345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15349 attached
, child_tidptr=0x5555574e8650) = 15349
[pid 15349] set_robust_list(0x5555574e8660, 24) = 0
[pid 15349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15349] setpgid(0, 0)               = 0
[pid 15349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15349] write(3, "1000", 4)         = 4
[pid 15349] close(3)                    = 0
[pid 15349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.378030][T15345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15349] close(5)                    = 0
[pid 15349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15352 attached
) = 15352
[pid 15349] tkill(15352, SIGSTOP)       = 0
[pid 15352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15349, si_uid=65534} ---
[pid 15349] exit_group(0 <unfinished ...>
[pid 15352] --- stopped by SIGSTOP ---
[pid 15349] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15353 attached
, child_tidptr=0x5555574e8650) = 15353
[pid 15353] set_robust_list(0x5555574e8660, 24) = 0
[pid 15353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15353] setpgid(0, 0)               = 0
[pid 15353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15353] write(3, "1000", 4)         = 4
[pid 15353] close(3)                    = 0
[pid 15353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.431343][T15349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15353] close(5)                    = 0
[pid 15353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15356 attached
) = 15356
[pid 15353] tkill(15356, SIGSTOP)       = 0
[pid 15353] exit_group(0)               = ?
[pid 15356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15353, si_uid=65534} ---
[pid 15353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 15356] --- stopped by SIGSTOP ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15357 attached
, child_tidptr=0x5555574e8650) = 15357
[pid 15357] set_robust_list(0x5555574e8660, 24) = 0
[pid 15357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15357] setpgid(0, 0)               = 0
[pid 15357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15357] write(3, "1000", 4)         = 4
[pid 15357] close(3)                    = 0
[pid 15357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.486665][T15353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15357] close(5)                    = 0
[pid 15357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15360 attached
) = 15360
[pid 15357] tkill(15360, SIGSTOP)       = 0
[pid 15360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15357, si_uid=65534} ---
[pid 15357] exit_group(0 <unfinished ...>
[pid 15360] --- stopped by SIGSTOP ---
[pid 15357] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15361 attached
, child_tidptr=0x5555574e8650) = 15361
[pid 15361] set_robust_list(0x5555574e8660, 24) = 0
[pid 15361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15361] setpgid(0, 0)               = 0
[pid 15361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15361] write(3, "1000", 4)         = 4
[pid 15361] close(3)                    = 0
[  199.547059][T15357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15361] close(5)                    = 0
[pid 15361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15364 attached
) = 15364
[pid 15361] tkill(15364, SIGSTOP)       = 0
[pid 15361] exit_group(0 <unfinished ...>
[pid 15364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15361, si_uid=65534} ---
[pid 15361] <... exit_group resumed>)   = ?
[pid 15364] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15361] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15361, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15365 attached
, child_tidptr=0x5555574e8650) = 15365
[pid 15365] set_robust_list(0x5555574e8660, 24) = 0
[pid 15365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15365] setpgid(0, 0)               = 0
[pid 15365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15365] write(3, "1000", 4)         = 4
[pid 15365] close(3)                    = 0
[pid 15365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.614524][T15361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15365] close(5)                    = 0
[pid 15365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15368 attached
) = 15368
[pid 15365] tkill(15368, SIGSTOP)       = 0
[pid 15365] exit_group(0 <unfinished ...>
[pid 15368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15365, si_uid=65534} ---
[pid 15365] <... exit_group resumed>)   = ?
[pid 15368] --- stopped by SIGSTOP ---
[pid 15365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15369 attached
, child_tidptr=0x5555574e8650) = 15369
[pid 15369] set_robust_list(0x5555574e8660, 24) = 0
[pid 15369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15369] setpgid(0, 0)               = 0
[pid 15369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15369] write(3, "1000", 4)         = 4
[pid 15369] close(3)                    = 0
[pid 15369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.677627][T15365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15369] close(5)                    = 0
[pid 15369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15372 attached
) = 15372
[pid 15369] tkill(15372, SIGSTOP)       = 0
[pid 15372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15369, si_uid=65534} ---
[pid 15369] exit_group(0 <unfinished ...>
[pid 15372] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15369] <... exit_group resumed>)   = ?
[pid 15369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15369, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15373 attached
, child_tidptr=0x5555574e8650) = 15373
[pid 15373] set_robust_list(0x5555574e8660, 24) = 0
[pid 15373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15373] setpgid(0, 0)               = 0
[pid 15373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15373] write(3, "1000", 4)         = 4
[pid 15373] close(3)                    = 0
[pid 15373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.733289][T15369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15373] close(5)                    = 0
[pid 15373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15376 attached
) = 15376
[pid 15373] tkill(15376, SIGSTOP)       = 0
[pid 15376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15373, si_uid=65534} ---
[pid 15376] --- stopped by SIGSTOP ---
[pid 15373] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15373] <... exit_group resumed>)   = ?
[pid 15373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15377 attached
, child_tidptr=0x5555574e8650) = 15377
[pid 15377] set_robust_list(0x5555574e8660, 24) = 0
[pid 15377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15377] setpgid(0, 0)               = 0
[pid 15377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15377] write(3, "1000", 4)         = 4
[pid 15377] close(3)                    = 0
[pid 15377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  199.789181][T15373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15377] close(5)                    = 0
[pid 15377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15380 attached
) = 15380
[pid 15377] tkill(15380, SIGSTOP)       = 0
[pid 15380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15377, si_uid=65534} ---
[pid 15377] exit_group(0 <unfinished ...>
[pid 15380] --- stopped by SIGSTOP ---
[pid 15377] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15381 attached
, child_tidptr=0x5555574e8650) = 15381
[pid 15381] set_robust_list(0x5555574e8660, 24) = 0
[pid 15381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15381] setpgid(0, 0)               = 0
[pid 15381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15381] write(3, "1000", 4)         = 4
[pid 15381] close(3)                    = 0
[pid 15381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  199.856583][T15377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15381] close(5)                    = 0
[pid 15381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15384 attached
) = 15384
[pid 15381] tkill(15384, SIGSTOP)       = 0
[pid 15384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15381, si_uid=65534} ---
[pid 15381] exit_group(0 <unfinished ...>
[pid 15384] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15381] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15381] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15385 attached
, child_tidptr=0x5555574e8650) = 15385
[pid 15385] set_robust_list(0x5555574e8660, 24) = 0
[pid 15385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15385] setpgid(0, 0)               = 0
[pid 15385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15385] write(3, "1000", 4)         = 4
[pid 15385] close(3)                    = 0
[pid 15385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  199.923231][T15381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15385] close(5)                    = 0
[pid 15385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15388 attached
) = 15388
[pid 15385] tkill(15388, SIGSTOP)       = 0
[pid 15388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15385, si_uid=65534} ---
[pid 15385] exit_group(0 <unfinished ...>
[pid 15388] --- stopped by SIGSTOP ---
[pid 15385] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15389 attached
, child_tidptr=0x5555574e8650) = 15389
[pid 15389] set_robust_list(0x5555574e8660, 24) = 0
[pid 15389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15389] setpgid(0, 0)               = 0
[pid 15389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15389] write(3, "1000", 4)         = 4
[pid 15389] close(3)                    = 0
[pid 15389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  199.989535][T15385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15389] close(5)                    = 0
[pid 15389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15392 attached
) = 15392
[pid 15389] tkill(15392, SIGSTOP)       = 0
[pid 15392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15389, si_uid=65534} ---
[pid 15392] --- stopped by SIGSTOP ---
[pid 15389] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15393 attached
, child_tidptr=0x5555574e8650) = 15393
[pid 15393] set_robust_list(0x5555574e8660, 24) = 0
[pid 15393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15393] setpgid(0, 0)               = 0
[pid 15393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15393] write(3, "1000", 4)         = 4
[pid 15393] close(3)                    = 0
[pid 15393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.051721][T15389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15393] close(5)                    = 0
[pid 15393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15396 attached
) = 15396
[pid 15393] tkill(15396, SIGSTOP)       = 0
[pid 15396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15393, si_uid=65534} ---
[pid 15393] exit_group(0 <unfinished ...>
[pid 15396] --- stopped by SIGSTOP ---
[pid 15393] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15393] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15397 attached
, child_tidptr=0x5555574e8650) = 15397
[pid 15397] set_robust_list(0x5555574e8660, 24) = 0
[pid 15397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15397] setpgid(0, 0)               = 0
[pid 15397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15397] write(3, "1000", 4)         = 4
[pid 15397] close(3)                    = 0
[pid 15397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.106062][T15393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15397] close(5)                    = 0
[pid 15397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15400 attached
) = 15400
[pid 15397] tkill(15400, SIGSTOP)       = 0
[pid 15400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15397, si_uid=65534} ---
[pid 15397] exit_group(0 <unfinished ...>
[pid 15400] --- stopped by SIGSTOP ---
[pid 15397] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15401 attached
, child_tidptr=0x5555574e8650) = 15401
[pid 15401] set_robust_list(0x5555574e8660, 24) = 0
[pid 15401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15401] setpgid(0, 0)               = 0
[pid 15401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15401] write(3, "1000", 4)         = 4
[pid 15401] close(3)                    = 0
[pid 15401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.162371][T15397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15401] close(5)                    = 0
[pid 15401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15404 attached
) = 15404
[pid 15401] tkill(15404, SIGSTOP)       = 0
[pid 15404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15401, si_uid=65534} ---
[pid 15401] exit_group(0 <unfinished ...>
[pid 15404] --- stopped by SIGSTOP ---
[pid 15401] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15405 attached
, child_tidptr=0x5555574e8650) = 15405
[pid 15405] set_robust_list(0x5555574e8660, 24) = 0
[pid 15405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15405] setpgid(0, 0)               = 0
[pid 15405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15405] write(3, "1000", 4)         = 4
[pid 15405] close(3)                    = 0
[pid 15405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.217747][T15401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15405] close(5)                    = 0
[pid 15405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15408 attached
) = 15408
[pid 15405] tkill(15408, SIGSTOP)       = 0
[pid 15408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15405, si_uid=65534} ---
[pid 15405] exit_group(0 <unfinished ...>
[pid 15408] --- stopped by SIGSTOP ---
[pid 15405] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15405] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15405, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15409 attached
, child_tidptr=0x5555574e8650) = 15409
[pid 15409] set_robust_list(0x5555574e8660, 24) = 0
[pid 15409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15409] setpgid(0, 0)               = 0
[pid 15409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15409] write(3, "1000", 4)         = 4
[pid 15409] close(3)                    = 0
[pid 15409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.270716][T15405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15409] close(5)                    = 0
[pid 15409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15412 attached
) = 15412
[pid 15409] tkill(15412, SIGSTOP)       = 0
[pid 15412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15409, si_uid=65534} ---
[pid 15409] exit_group(0 <unfinished ...>
[pid 15412] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15409] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15413 attached
, child_tidptr=0x5555574e8650) = 15413
[pid 15413] set_robust_list(0x5555574e8660, 24) = 0
[pid 15413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15413] setpgid(0, 0)               = 0
[pid 15413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15413] write(3, "1000", 4)         = 4
[pid 15413] close(3)                    = 0
[pid 15413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.326704][T15409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15413] close(5)                    = 0
[pid 15413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15416 attached
) = 15416
[pid 15413] tkill(15416, SIGSTOP)       = 0
[pid 15416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15413, si_uid=65534} ---
[pid 15413] exit_group(0 <unfinished ...>
[pid 15416] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15413] <... exit_group resumed>)   = ?
[pid 15413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15417 attached
, child_tidptr=0x5555574e8650) = 15417
[pid 15417] set_robust_list(0x5555574e8660, 24) = 0
[pid 15417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15417] setpgid(0, 0)               = 0
[pid 15417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15417] write(3, "1000", 4)         = 4
[pid 15417] close(3)                    = 0
[pid 15417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.380795][T15413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15417] close(5)                    = 0
[pid 15417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15420 attached
) = 15420
[pid 15417] tkill(15420, SIGSTOP)       = 0
[pid 15420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15417, si_uid=65534} ---
[pid 15417] exit_group(0 <unfinished ...>
[pid 15420] --- stopped by SIGSTOP ---
[pid 15417] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15417, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15421 attached
, child_tidptr=0x5555574e8650) = 15421
[pid 15421] set_robust_list(0x5555574e8660, 24) = 0
[pid 15421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15421] setpgid(0, 0)               = 0
[pid 15421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15421] write(3, "1000", 4)         = 4
[pid 15421] close(3)                    = 0
[pid 15421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.444379][T15417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15421] close(5)                    = 0
[pid 15421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15424 attached
) = 15424
[pid 15421] tkill(15424, SIGSTOP)       = 0
[pid 15424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15421, si_uid=65534} ---
[pid 15421] exit_group(0 <unfinished ...>
[pid 15424] --- stopped by SIGSTOP ---
[pid 15421] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15425 attached
, child_tidptr=0x5555574e8650) = 15425
[pid 15425] set_robust_list(0x5555574e8660, 24) = 0
[pid 15425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15425] setpgid(0, 0)               = 0
[pid 15425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15425] write(3, "1000", 4)         = 4
[pid 15425] close(3)                    = 0
[pid 15425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.497616][T15421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15425] close(5)                    = 0
[pid 15425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15428 attached
) = 15428
[pid 15425] tkill(15428, SIGSTOP)       = 0
[pid 15428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15425, si_uid=65534} ---
[pid 15425] exit_group(0 <unfinished ...>
[pid 15428] --- stopped by SIGSTOP ---
[pid 15425] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15429 attached
, child_tidptr=0x5555574e8650) = 15429
[pid 15429] set_robust_list(0x5555574e8660, 24) = 0
[pid 15429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15429] setpgid(0, 0)               = 0
[pid 15429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15429] write(3, "1000", 4)         = 4
[pid 15429] close(3)                    = 0
[pid 15429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.554116][T15425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15429] close(5)                    = 0
[pid 15429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15432 attached
) = 15432
[pid 15429] tkill(15432, SIGSTOP)       = 0
[pid 15432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15429, si_uid=65534} ---
[pid 15429] exit_group(0 <unfinished ...>
[pid 15432] --- stopped by SIGSTOP ---
[pid 15429] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15429] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15433 attached
, child_tidptr=0x5555574e8650) = 15433
[pid 15433] set_robust_list(0x5555574e8660, 24) = 0
[pid 15433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15433] setpgid(0, 0)               = 0
[pid 15433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15433] write(3, "1000", 4)         = 4
[pid 15433] close(3)                    = 0
[pid 15433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.606888][T15429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15433] close(5)                    = 0
[pid 15433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15436 attached
) = 15436
[pid 15433] tkill(15436, SIGSTOP)       = 0
[pid 15436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15433, si_uid=65534} ---
[pid 15436] --- stopped by SIGSTOP ---
[pid 15433] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15433] <... exit_group resumed>)   = ?
[pid 15433] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15437 attached
, child_tidptr=0x5555574e8650) = 15437
[pid 15437] set_robust_list(0x5555574e8660, 24) = 0
[pid 15437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15437] setpgid(0, 0)               = 0
[pid 15437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15437] write(3, "1000", 4)         = 4
[pid 15437] close(3)                    = 0
[pid 15437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.661044][T15433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15437] close(5)                    = 0
[pid 15437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15440 attached
) = 15440
[pid 15437] tkill(15440, SIGSTOP)       = 0
[pid 15440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15437, si_uid=65534} ---
[pid 15437] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15440] --- stopped by SIGSTOP ---
[pid 15437] <... exit_group resumed>)   = ?
[pid 15437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15441 attached
, child_tidptr=0x5555574e8650) = 15441
[pid 15441] set_robust_list(0x5555574e8660, 24) = 0
[pid 15441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15441] setpgid(0, 0)               = 0
[pid 15441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15441] write(3, "1000", 4)         = 4
[pid 15441] close(3)                    = 0
[pid 15441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  200.718087][T15437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15441] close(5)                    = 0
[pid 15441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15444 attached
) = 15444
[pid 15441] tkill(15444, SIGSTOP)       = 0
[pid 15444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15441, si_uid=65534} ---
[pid 15441] exit_group(0 <unfinished ...>
[pid 15444] --- stopped by SIGSTOP ---
[pid 15441] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15441, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15445 attached
, child_tidptr=0x5555574e8650) = 15445
[pid 15445] set_robust_list(0x5555574e8660, 24) = 0
[pid 15445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15445] setpgid(0, 0)               = 0
[pid 15445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15445] write(3, "1000", 4)         = 4
[pid 15445] close(3)                    = 0
[pid 15445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.784215][T15441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15445] close(5)                    = 0
[pid 15445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15448 attached
) = 15448
[pid 15445] tkill(15448, SIGSTOP)       = 0
[pid 15448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15445, si_uid=65534} ---
[pid 15445] exit_group(0 <unfinished ...>
[pid 15448] --- stopped by SIGSTOP ---
[pid 15445] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15445] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15449 attached
, child_tidptr=0x5555574e8650) = 15449
[pid 15449] set_robust_list(0x5555574e8660, 24) = 0
[pid 15449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15449] setpgid(0, 0)               = 0
[pid 15449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15449] write(3, "1000", 4)         = 4
[pid 15449] close(3)                    = 0
[pid 15449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.847153][T15445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15449] close(5)                    = 0
[pid 15449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15452 attached
) = 15452
[pid 15449] tkill(15452, SIGSTOP)       = 0
[pid 15449] exit_group(0)               = ?
[pid 15452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15449, si_uid=65534} ---
[pid 15452] --- stopped by SIGSTOP ---
[pid 15449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15453 attached
, child_tidptr=0x5555574e8650) = 15453
[pid 15453] set_robust_list(0x5555574e8660, 24) = 0
[pid 15453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15453] setpgid(0, 0)               = 0
[pid 15453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15453] write(3, "1000", 4)         = 4
[pid 15453] close(3)                    = 0
[pid 15453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.901361][T15449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15453] close(5)                    = 0
[pid 15453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15456 attached
) = 15456
[pid 15453] tkill(15456, SIGSTOP)       = 0
[pid 15456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15453, si_uid=65534} ---
[pid 15453] exit_group(0 <unfinished ...>
[pid 15456] --- stopped by SIGSTOP ---
[pid 15453] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15453] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15453, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15457 attached
, child_tidptr=0x5555574e8650) = 15457
[pid 15457] set_robust_list(0x5555574e8660, 24) = 0
[pid 15457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15457] setpgid(0, 0)               = 0
[pid 15457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15457] write(3, "1000", 4)         = 4
[pid 15457] close(3)                    = 0
[pid 15457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  200.954942][T15453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15457] close(5)                    = 0
[pid 15457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15460 attached
) = 15460
[pid 15457] tkill(15460, SIGSTOP)       = 0
[pid 15460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15457, si_uid=65534} ---
[pid 15457] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15460] --- stopped by SIGSTOP ---
[pid 15457] <... exit_group resumed>)   = ?
[pid 15457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15461 attached
, child_tidptr=0x5555574e8650) = 15461
[pid 15461] set_robust_list(0x5555574e8660, 24) = 0
[pid 15461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15461] setpgid(0, 0)               = 0
[pid 15461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15461] write(3, "1000", 4)         = 4
[pid 15461] close(3)                    = 0
[pid 15461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.008258][T15457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15461] close(5)                    = 0
[pid 15461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15464 attached
) = 15464
[pid 15461] tkill(15464, SIGSTOP)       = 0
[pid 15461] exit_group(0 <unfinished ...>
[pid 15464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15461, si_uid=65534} ---
[pid 15461] <... exit_group resumed>)   = ?
[pid 15464] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15461, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15465 attached
, child_tidptr=0x5555574e8650) = 15465
[pid 15465] set_robust_list(0x5555574e8660, 24) = 0
[pid 15465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15465] setpgid(0, 0)               = 0
[pid 15465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15465] write(3, "1000", 4)         = 4
[pid 15465] close(3)                    = 0
[pid 15465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.060786][T15461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15465] close(5)                    = 0
[pid 15465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15468 attached
) = 15468
[pid 15465] tkill(15468, SIGSTOP)       = 0
[pid 15465] exit_group(0 <unfinished ...>
[pid 15468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15465, si_uid=65534} ---
[pid 15465] <... exit_group resumed>)   = ?
[pid 15468] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15465] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15465, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15469 attached
, child_tidptr=0x5555574e8650) = 15469
[pid 15469] set_robust_list(0x5555574e8660, 24) = 0
[pid 15469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15469] setpgid(0, 0)               = 0
[pid 15469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15469] write(3, "1000", 4)         = 4
[pid 15469] close(3)                    = 0
[pid 15469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.113294][T15465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15469] close(5)                    = 0
[pid 15469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15472 attached
) = 15472
[pid 15469] tkill(15472, SIGSTOP)       = 0
[pid 15469] exit_group(0)               = ?
[pid 15472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15469, si_uid=65534} ---
[pid 15469] +++ exited with 0 +++
[pid 15472] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15473 attached
, child_tidptr=0x5555574e8650) = 15473
[pid 15473] set_robust_list(0x5555574e8660, 24) = 0
[pid 15473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15473] setpgid(0, 0)               = 0
[pid 15473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15473] write(3, "1000", 4)         = 4
[pid 15473] close(3)                    = 0
[pid 15473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.166905][T15469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15473] close(5)                    = 0
[pid 15473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15476 attached
) = 15476
[pid 15473] tkill(15476, SIGSTOP)       = 0
[pid 15476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15473, si_uid=65534} ---
[pid 15473] exit_group(0 <unfinished ...>
[pid 15476] --- stopped by SIGSTOP ---
[pid 15473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15473] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15477 attached
, child_tidptr=0x5555574e8650) = 15477
[pid 15477] set_robust_list(0x5555574e8660, 24) = 0
[pid 15477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15477] setpgid(0, 0)               = 0
[pid 15477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15477] write(3, "1000", 4)         = 4
[pid 15477] close(3)                    = 0
[pid 15477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.219811][T15473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15477] close(5)                    = 0
[pid 15477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15480 attached
) = 15480
[pid 15477] tkill(15480, SIGSTOP)       = 0
[pid 15480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15477, si_uid=65534} ---
[pid 15477] exit_group(0 <unfinished ...>
[pid 15480] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15477] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15477, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15481 attached
, child_tidptr=0x5555574e8650) = 15481
[pid 15481] set_robust_list(0x5555574e8660, 24) = 0
[pid 15481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15481] setpgid(0, 0)               = 0
[pid 15481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15481] write(3, "1000", 4)         = 4
[pid 15481] close(3)                    = 0
[pid 15481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  201.272020][T15477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15481] close(5)                    = 0
[pid 15481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15484 attached
) = 15484
[pid 15481] tkill(15484, SIGSTOP)       = 0
[pid 15484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15481, si_uid=65534} ---
[pid 15481] exit_group(0 <unfinished ...>
[pid 15484] --- stopped by SIGSTOP ---
[pid 15481] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15481] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15481, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15485 attached
, child_tidptr=0x5555574e8650) = 15485
[pid 15485] set_robust_list(0x5555574e8660, 24) = 0
[pid 15485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15485] setpgid(0, 0)               = 0
[pid 15485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15485] write(3, "1000", 4)         = 4
[pid 15485] close(3)                    = 0
[pid 15485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  201.339995][T15481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15485] close(5)                    = 0
[pid 15485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15488 attached
) = 15488
[pid 15485] tkill(15488, SIGSTOP)       = 0
[pid 15485] exit_group(0 <unfinished ...>
[pid 15488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15485, si_uid=65534} ---
[pid 15485] <... exit_group resumed>)   = ?
[pid 15488] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15489 attached
, child_tidptr=0x5555574e8650) = 15489
[pid 15489] set_robust_list(0x5555574e8660, 24) = 0
[pid 15489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15489] setpgid(0, 0)               = 0
[pid 15489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15489] write(3, "1000", 4)         = 4
[pid 15489] close(3)                    = 0
[pid 15489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.404980][T15485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15489] close(5)                    = 0
[pid 15489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15492 attached
) = 15492
[pid 15489] tkill(15492, SIGSTOP)       = 0
[pid 15492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15489, si_uid=65534} ---
[pid 15489] exit_group(0 <unfinished ...>
[pid 15492] --- stopped by SIGSTOP ---
[pid 15489] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15493 attached
, child_tidptr=0x5555574e8650) = 15493
[pid 15493] set_robust_list(0x5555574e8660, 24) = 0
[pid 15493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15493] setpgid(0, 0)               = 0
[pid 15493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15493] write(3, "1000", 4)         = 4
[pid 15493] close(3)                    = 0
[pid 15493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.468177][T15489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15493] close(5)                    = 0
[pid 15493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15496 attached
) = 15496
[pid 15493] tkill(15496, SIGSTOP)       = 0
[pid 15496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15493, si_uid=65534} ---
[pid 15493] exit_group(0 <unfinished ...>
[pid 15496] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15493] <... exit_group resumed>)   = ?
[pid 15493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15493, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15497 attached
, child_tidptr=0x5555574e8650) = 15497
[pid 15497] set_robust_list(0x5555574e8660, 24) = 0
[pid 15497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15497] setpgid(0, 0)               = 0
[pid 15497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15497] write(3, "1000", 4)         = 4
[pid 15497] close(3)                    = 0
[pid 15497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  201.523796][T15493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15497] close(5)                    = 0
[pid 15497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15500 attached
) = 15500
[pid 15497] tkill(15500, SIGSTOP)       = 0
[pid 15500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15497, si_uid=65534} ---
[pid 15497] exit_group(0 <unfinished ...>
[pid 15500] --- stopped by SIGSTOP ---
[pid 15497] <... exit_group resumed>)   = ?
[pid 15497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15501 attached
, child_tidptr=0x5555574e8650) = 15501
[pid 15501] set_robust_list(0x5555574e8660, 24) = 0
[pid 15501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15501] setpgid(0, 0)               = 0
[pid 15501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15501] write(3, "1000", 4)         = 4
[pid 15501] close(3)                    = 0
[pid 15501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.589977][T15497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15501] close(5)                    = 0
[pid 15501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15504 attached
) = 15504
[pid 15501] tkill(15504, SIGSTOP)       = 0
[pid 15504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15501, si_uid=65534} ---
[pid 15501] exit_group(0)               = ?
[pid 15504] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15501, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15505 attached
, child_tidptr=0x5555574e8650) = 15505
[pid 15505] set_robust_list(0x5555574e8660, 24) = 0
[pid 15505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15505] setpgid(0, 0)               = 0
[pid 15505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15505] write(3, "1000", 4)         = 4
[pid 15505] close(3)                    = 0
[pid 15505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  201.644983][T15501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15505] close(5)                    = 0
[pid 15505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15508 attached
) = 15508
[pid 15505] tkill(15508, SIGSTOP)       = 0
[pid 15508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15505, si_uid=65534} ---
[pid 15505] exit_group(0 <unfinished ...>
[pid 15508] --- stopped by SIGSTOP ---
[pid 15505] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15509 attached
, child_tidptr=0x5555574e8650) = 15509
[pid 15509] set_robust_list(0x5555574e8660, 24) = 0
[pid 15509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15509] setpgid(0, 0)               = 0
[pid 15509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15509] write(3, "1000", 4)         = 4
[pid 15509] close(3)                    = 0
[  201.711753][T15505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15509] close(5)                    = 0
[pid 15509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15512 attached
) = 15512
[pid 15509] tkill(15512, SIGSTOP)       = 0
[pid 15512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15509, si_uid=65534} ---
[pid 15509] exit_group(0 <unfinished ...>
[pid 15512] --- stopped by SIGSTOP ---
[pid 15509] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15509] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15509, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15513 attached
, child_tidptr=0x5555574e8650) = 15513
[pid 15513] set_robust_list(0x5555574e8660, 24) = 0
[pid 15513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15513] setpgid(0, 0)               = 0
[pid 15513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15513] write(3, "1000", 4)         = 4
[pid 15513] close(3)                    = 0
[pid 15513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.785082][T15509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15513] close(5)                    = 0
[pid 15513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15516 attached
) = 15516
[pid 15513] tkill(15516, SIGSTOP)       = 0
[pid 15513] exit_group(0 <unfinished ...>
[pid 15516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15513, si_uid=65534} ---
[pid 15513] <... exit_group resumed>)   = ?
[pid 15516] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15517 attached
, child_tidptr=0x5555574e8650) = 15517
[pid 15517] set_robust_list(0x5555574e8660, 24) = 0
[pid 15517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15517] setpgid(0, 0)               = 0
[pid 15517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15517] write(3, "1000", 4)         = 4
[pid 15517] close(3)                    = 0
[pid 15517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.838417][T15513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15517] close(5)                    = 0
[pid 15517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15520 attached
) = 15520
[pid 15517] tkill(15520, SIGSTOP)       = 0
[pid 15520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15517, si_uid=65534} ---
[pid 15517] exit_group(0 <unfinished ...>
[pid 15520] --- stopped by SIGSTOP ---
[pid 15517] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15521 attached
, child_tidptr=0x5555574e8650) = 15521
[pid 15521] set_robust_list(0x5555574e8660, 24) = 0
[pid 15521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15521] setpgid(0, 0)               = 0
[pid 15521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15521] write(3, "1000", 4)         = 4
[pid 15521] close(3)                    = 0
[pid 15521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.892047][T15517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15521] close(5)                    = 0
[pid 15521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15524 attached
) = 15524
[pid 15521] tkill(15524, SIGSTOP)       = 0
[pid 15524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15521, si_uid=65534} ---
[pid 15521] exit_group(0 <unfinished ...>
[pid 15524] --- stopped by SIGSTOP ---
[pid 15521] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15521, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15525 attached
, child_tidptr=0x5555574e8650) = 15525
[pid 15525] set_robust_list(0x5555574e8660, 24) = 0
[pid 15525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15525] setpgid(0, 0)               = 0
[pid 15525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15525] write(3, "1000", 4)         = 4
[pid 15525] close(3)                    = 0
[pid 15525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.944811][T15521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15525] close(5)                    = 0
[pid 15525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15528 attached
) = 15528
[pid 15525] tkill(15528, SIGSTOP)       = 0
[pid 15528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15525, si_uid=65534} ---
[pid 15525] exit_group(0 <unfinished ...>
[pid 15528] --- stopped by SIGSTOP ---
[pid 15525] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15525, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15529 attached
, child_tidptr=0x5555574e8650) = 15529
[pid 15529] set_robust_list(0x5555574e8660, 24) = 0
[pid 15529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15529] setpgid(0, 0)               = 0
[pid 15529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15529] write(3, "1000", 4)         = 4
[pid 15529] close(3)                    = 0
[pid 15529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  201.999852][T15525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15529] close(5)                    = 0
[pid 15529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15532 attached
) = 15532
[pid 15529] tkill(15532, SIGSTOP)       = 0
[pid 15532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15529, si_uid=65534} ---
[pid 15529] exit_group(0 <unfinished ...>
[pid 15532] --- stopped by SIGSTOP ---
[pid 15529] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15529, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15533 attached
, child_tidptr=0x5555574e8650) = 15533
[pid 15533] set_robust_list(0x5555574e8660, 24) = 0
[pid 15533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15533] setpgid(0, 0)               = 0
[pid 15533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15533] write(3, "1000", 4)         = 4
[pid 15533] close(3)                    = 0
[pid 15533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.063491][T15529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15533] close(5)                    = 0
[pid 15533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15536 attached
) = 15536
[pid 15533] tkill(15536, SIGSTOP)       = 0
[pid 15536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15533, si_uid=65534} ---
[pid 15533] exit_group(0 <unfinished ...>
[pid 15536] --- stopped by SIGSTOP ---
[pid 15533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15537 attached
, child_tidptr=0x5555574e8650) = 15537
[pid 15537] set_robust_list(0x5555574e8660, 24) = 0
[pid 15537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15537] setpgid(0, 0)               = 0
[pid 15537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15537] write(3, "1000", 4)         = 4
[pid 15537] close(3)                    = 0
[pid 15537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.120465][T15533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15537] close(5)                    = 0
[pid 15537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15540 attached
) = 15540
[pid 15537] tkill(15540, SIGSTOP)       = 0
[pid 15540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15537, si_uid=65534} ---
[pid 15537] exit_group(0 <unfinished ...>
[pid 15540] --- stopped by SIGSTOP ---
[pid 15537] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15541 attached
, child_tidptr=0x5555574e8650) = 15541
[pid 15541] set_robust_list(0x5555574e8660, 24) = 0
[pid 15541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15541] setpgid(0, 0)               = 0
[pid 15541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15541] write(3, "1000", 4)         = 4
[pid 15541] close(3)                    = 0
[  202.171386][T15537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15541] close(5)                    = 0
[pid 15541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15544 attached
) = 15544
[pid 15541] tkill(15544, SIGSTOP)       = 0
[pid 15541] exit_group(0)               = ?
[pid 15544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15541, si_uid=65534} ---
[pid 15544] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15545 attached
, child_tidptr=0x5555574e8650) = 15545
[pid 15545] set_robust_list(0x5555574e8660, 24) = 0
[pid 15545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15545] setpgid(0, 0)               = 0
[pid 15545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15545] write(3, "1000", 4)         = 4
[pid 15545] close(3)                    = 0
[pid 15545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.240584][T15541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15545] close(5)                    = 0
[pid 15545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15548 attached
) = 15548
[pid 15545] tkill(15548, SIGSTOP)       = 0
[pid 15545] exit_group(0)               = ?
[pid 15548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15545, si_uid=65534} ---
[pid 15548] --- stopped by SIGSTOP ---
[pid 15545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15549 attached
, child_tidptr=0x5555574e8650) = 15549
[pid 15549] set_robust_list(0x5555574e8660, 24) = 0
[pid 15549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15549] setpgid(0, 0)               = 0
[pid 15549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15549] write(3, "1000", 4)         = 4
[pid 15549] close(3)                    = 0
[pid 15549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.294518][T15545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15549] close(5)                    = 0
[pid 15549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15552 attached
) = 15552
[pid 15549] tkill(15552, SIGSTOP)       = 0
[pid 15552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15549, si_uid=65534} ---
[pid 15549] exit_group(0 <unfinished ...>
[pid 15552] --- stopped by SIGSTOP ---
[pid 15549] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15553 attached
, child_tidptr=0x5555574e8650) = 15553
[pid 15553] set_robust_list(0x5555574e8660, 24) = 0
[pid 15553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15553] setpgid(0, 0)               = 0
[pid 15553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15553] write(3, "1000", 4)         = 4
[pid 15553] close(3)                    = 0
[pid 15553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.351729][T15549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15553] close(5)                    = 0
[pid 15553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15556 attached
) = 15556
[pid 15553] tkill(15556, SIGSTOP)       = 0
[pid 15556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15553, si_uid=65534} ---
[pid 15553] exit_group(0 <unfinished ...>
[pid 15556] --- stopped by SIGSTOP ---
[pid 15553] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15557 attached
, child_tidptr=0x5555574e8650) = 15557
[pid 15557] set_robust_list(0x5555574e8660, 24) = 0
[pid 15557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15557] setpgid(0, 0)               = 0
[pid 15557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15557] write(3, "1000", 4)         = 4
[pid 15557] close(3)                    = 0
[pid 15557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.406793][T15553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15557] close(5)                    = 0
[pid 15557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15560 attached
) = 15560
[pid 15557] tkill(15560, SIGSTOP)       = 0
[pid 15560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15557, si_uid=65534} ---
[pid 15557] exit_group(0 <unfinished ...>
[pid 15560] --- stopped by SIGSTOP ---
[pid 15557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15557] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15561 attached
, child_tidptr=0x5555574e8650) = 15561
[pid 15561] set_robust_list(0x5555574e8660, 24) = 0
[pid 15561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15561] setpgid(0, 0)               = 0
[pid 15561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15561] write(3, "1000", 4)         = 4
[pid 15561] close(3)                    = 0
[pid 15561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.470670][T15557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15561] close(5)                    = 0
[pid 15561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15564 attached
) = 15564
[pid 15561] tkill(15564, SIGSTOP)       = 0
[pid 15564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15561, si_uid=65534} ---
[pid 15561] exit_group(0 <unfinished ...>
[pid 15564] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15561] <... exit_group resumed>)   = ?
[pid 15561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15565 attached
, child_tidptr=0x5555574e8650) = 15565
[pid 15565] set_robust_list(0x5555574e8660, 24) = 0
[pid 15565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15565] setpgid(0, 0)               = 0
[pid 15565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15565] write(3, "1000", 4)         = 4
[pid 15565] close(3)                    = 0
[pid 15565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.525828][T15561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15565] close(5)                    = 0
[pid 15565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15568 attached
) = 15568
[pid 15565] tkill(15568, SIGSTOP)       = 0
[pid 15568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15565, si_uid=65534} ---
[pid 15565] exit_group(0 <unfinished ...>
[pid 15568] --- stopped by SIGSTOP ---
[pid 15565] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15565, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15569 attached
, child_tidptr=0x5555574e8650) = 15569
[pid 15569] set_robust_list(0x5555574e8660, 24) = 0
[pid 15569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15569] setpgid(0, 0)               = 0
[pid 15569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15569] write(3, "1000", 4)         = 4
[pid 15569] close(3)                    = 0
[pid 15569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.582486][T15565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15569] close(5)                    = 0
[pid 15569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15572 attached
) = 15572
[pid 15569] tkill(15572, SIGSTOP)       = 0
[pid 15572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15569, si_uid=65534} ---
[pid 15569] exit_group(0 <unfinished ...>
[pid 15572] --- stopped by SIGSTOP ---
[pid 15569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15573 attached
, child_tidptr=0x5555574e8650) = 15573
[pid 15573] set_robust_list(0x5555574e8660, 24) = 0
[pid 15573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15573] setpgid(0, 0)               = 0
[pid 15573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15573] write(3, "1000", 4)         = 4
[pid 15573] close(3)                    = 0
[pid 15573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  202.640042][T15569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15573] close(5)                    = 0
[pid 15573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15576 attached
) = 15576
[pid 15573] tkill(15576, SIGSTOP)       = 0
[pid 15576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15573, si_uid=65534} ---
[pid 15573] exit_group(0 <unfinished ...>
[pid 15576] --- stopped by SIGSTOP ---
[pid 15573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15577 attached
, child_tidptr=0x5555574e8650) = 15577
[pid 15577] set_robust_list(0x5555574e8660, 24) = 0
[pid 15577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15577] setpgid(0, 0)               = 0
[pid 15577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15577] write(3, "1000", 4)         = 4
[pid 15577] close(3)                    = 0
[  202.706081][T15573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15577] close(5)                    = 0
[pid 15577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15580 attached
) = 15580
[pid 15577] tkill(15580, SIGSTOP)       = 0
[pid 15580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15577, si_uid=65534} ---
[pid 15577] exit_group(0 <unfinished ...>
[pid 15580] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15577] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15577, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15581 attached
, child_tidptr=0x5555574e8650) = 15581
[pid 15581] set_robust_list(0x5555574e8660, 24) = 0
[pid 15581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15581] setpgid(0, 0)               = 0
[pid 15581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15581] write(3, "1000", 4)         = 4
[pid 15581] close(3)                    = 0
[pid 15581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.775356][T15577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15581] close(5)                    = 0
[pid 15581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15584 attached
) = 15584
[pid 15581] tkill(15584, SIGSTOP)       = 0
[pid 15584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15581, si_uid=65534} ---
[pid 15581] exit_group(0 <unfinished ...>
[pid 15584] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15581] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15581] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15585 attached
, child_tidptr=0x5555574e8650) = 15585
[pid 15585] set_robust_list(0x5555574e8660, 24) = 0
[pid 15585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15585] setpgid(0, 0)               = 0
[pid 15585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15585] write(3, "1000", 4)         = 4
[pid 15585] close(3)                    = 0
[pid 15585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.828676][T15581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15585] close(5)                    = 0
[pid 15585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15588 attached
) = 15588
[pid 15585] tkill(15588, SIGSTOP)       = 0
[pid 15588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15585, si_uid=65534} ---
[pid 15585] exit_group(0 <unfinished ...>
[pid 15588] --- stopped by SIGSTOP ---
[pid 15585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15585, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15589 attached
, child_tidptr=0x5555574e8650) = 15589
[pid 15589] set_robust_list(0x5555574e8660, 24) = 0
[pid 15589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15589] setpgid(0, 0)               = 0
[pid 15589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15589] write(3, "1000", 4)         = 4
[pid 15589] close(3)                    = 0
[pid 15589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.885329][T15585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15589] close(5)                    = 0
[pid 15589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15592 attached
) = 15592
[pid 15589] tkill(15592, SIGSTOP)       = 0
[pid 15589] exit_group(0 <unfinished ...>
[pid 15592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15589, si_uid=65534} ---
[pid 15589] <... exit_group resumed>)   = ?
[pid 15592] --- stopped by SIGSTOP ---
[pid 15589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15593 attached
, child_tidptr=0x5555574e8650) = 15593
[pid 15593] set_robust_list(0x5555574e8660, 24) = 0
[pid 15593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15593] setpgid(0, 0)               = 0
[pid 15593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15593] write(3, "1000", 4)         = 4
[pid 15593] close(3)                    = 0
[pid 15593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.936711][T15589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15593] close(5)                    = 0
[pid 15593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15596 attached
) = 15596
[pid 15593] tkill(15596, SIGSTOP)       = 0
[pid 15596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15593, si_uid=65534} ---
[pid 15593] exit_group(0 <unfinished ...>
[pid 15596] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15593] <... exit_group resumed>)   = ?
[pid 15593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15597 attached
, child_tidptr=0x5555574e8650) = 15597
[pid 15597] set_robust_list(0x5555574e8660, 24) = 0
[pid 15597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15597] setpgid(0, 0)               = 0
[pid 15597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15597] write(3, "1000", 4)         = 4
[pid 15597] close(3)                    = 0
[pid 15597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  202.990578][T15593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15597] close(5)                    = 0
[pid 15597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15600 attached
) = 15600
[pid 15597] tkill(15600, SIGSTOP)       = 0
[pid 15597] exit_group(0 <unfinished ...>
[pid 15600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15597, si_uid=65534} ---
[pid 15597] <... exit_group resumed>)   = ?
[pid 15600] --- stopped by SIGSTOP ---
[pid 15597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15601 attached
, child_tidptr=0x5555574e8650) = 15601
[pid 15601] set_robust_list(0x5555574e8660, 24) = 0
[pid 15601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15601] setpgid(0, 0)               = 0
[pid 15601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15601] write(3, "1000", 4)         = 4
[pid 15601] close(3)                    = 0
[pid 15601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.046254][T15597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15601] close(5)                    = 0
[pid 15601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15604 attached
) = 15604
[pid 15601] tkill(15604, SIGSTOP)       = 0
[pid 15604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15601, si_uid=65534} ---
[pid 15604] --- stopped by SIGSTOP ---
[pid 15601] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15601] <... exit_group resumed>)   = ?
[pid 15601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15605 attached
, child_tidptr=0x5555574e8650) = 15605
[pid 15605] set_robust_list(0x5555574e8660, 24) = 0
[pid 15605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15605] setpgid(0, 0)               = 0
[pid 15605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  203.097518][T15601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15605] write(3, "1000", 4)         = 4
[pid 15605] close(3)                    = 0
[pid 15605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15605] close(5)                    = 0
[pid 15605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15608 attached
) = 15608
[pid 15605] tkill(15608, SIGSTOP)       = 0
[pid 15608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15605, si_uid=65534} ---
[pid 15605] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15608] --- stopped by SIGSTOP ---
[pid 15605] <... exit_group resumed>)   = ?
[pid 15605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15609 attached
, child_tidptr=0x5555574e8650) = 15609
[pid 15609] set_robust_list(0x5555574e8660, 24) = 0
[pid 15609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15609] setpgid(0, 0)               = 0
[pid 15609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15609] write(3, "1000", 4)         = 4
[pid 15609] close(3)                    = 0
[pid 15609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.171861][T15605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15609] close(5)                    = 0
[pid 15609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15612 attached
) = 15612
[pid 15609] tkill(15612, SIGSTOP)       = 0
[pid 15612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15609, si_uid=65534} ---
[pid 15609] exit_group(0 <unfinished ...>
[pid 15612] --- stopped by SIGSTOP ---
[pid 15609] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15613 attached
, child_tidptr=0x5555574e8650) = 15613
[pid 15613] set_robust_list(0x5555574e8660, 24) = 0
[pid 15613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15613] setpgid(0, 0)               = 0
[pid 15613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15613] write(3, "1000", 4)         = 4
[pid 15613] close(3)                    = 0
[pid 15613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.225961][T15609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15613] close(5)                    = 0
[pid 15613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15616 attached
) = 15616
[pid 15613] tkill(15616, SIGSTOP)       = 0
[pid 15616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15613, si_uid=65534} ---
[pid 15613] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15616] --- stopped by SIGSTOP ---
[pid 15613] <... exit_group resumed>)   = ?
[pid 15613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15617 attached
, child_tidptr=0x5555574e8650) = 15617
[pid 15617] set_robust_list(0x5555574e8660, 24) = 0
[pid 15617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15617] setpgid(0, 0)               = 0
[pid 15617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15617] write(3, "1000", 4)         = 4
[pid 15617] close(3)                    = 0
[pid 15617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.283073][T15613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15617] close(5)                    = 0
[pid 15617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15620 attached
) = 15620
[pid 15617] tkill(15620, SIGSTOP)       = 0
[pid 15617] exit_group(0 <unfinished ...>
[pid 15620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15617, si_uid=65534} ---
[pid 15617] <... exit_group resumed>)   = ?
[pid 15620] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15621 attached
, child_tidptr=0x5555574e8650) = 15621
[pid 15621] set_robust_list(0x5555574e8660, 24) = 0
[pid 15621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15621] setpgid(0, 0)               = 0
[pid 15621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15621] write(3, "1000", 4)         = 4
[pid 15621] close(3)                    = 0
[pid 15621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.336999][T15617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15621] close(5)                    = 0
[pid 15621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15624 attached
) = 15624
[pid 15621] tkill(15624, SIGSTOP)       = 0
[pid 15621] exit_group(0 <unfinished ...>
[pid 15624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15621, si_uid=65534} ---
[pid 15624] --- stopped by SIGSTOP ---
[pid 15621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15621, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15625 attached
, child_tidptr=0x5555574e8650) = 15625
[pid 15625] set_robust_list(0x5555574e8660, 24) = 0
[pid 15625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15625] setpgid(0, 0)               = 0
[pid 15625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15625] write(3, "1000", 4)         = 4
[pid 15625] close(3)                    = 0
[pid 15625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.394315][T15621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15625] close(5)                    = 0
[pid 15625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15628 attached
) = 15628
[pid 15625] tkill(15628, SIGSTOP)       = 0
[pid 15625] exit_group(0 <unfinished ...>
[pid 15628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15625, si_uid=65534} ---
[pid 15625] <... exit_group resumed>)   = ?
[pid 15628] --- stopped by SIGSTOP ---
[pid 15625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15629 attached
, child_tidptr=0x5555574e8650) = 15629
[pid 15629] set_robust_list(0x5555574e8660, 24) = 0
[pid 15629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15629] setpgid(0, 0)               = 0
[pid 15629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15629] write(3, "1000", 4)         = 4
[pid 15629] close(3)                    = 0
[pid 15629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.452257][T15625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15629] close(5)                    = 0
[pid 15629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15632 attached
) = 15632
[pid 15629] tkill(15632, SIGSTOP)       = 0
[pid 15632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15629, si_uid=65534} ---
[pid 15629] exit_group(0 <unfinished ...>
[pid 15632] --- stopped by SIGSTOP ---
[pid 15629] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15633 attached
, child_tidptr=0x5555574e8650) = 15633
[pid 15633] set_robust_list(0x5555574e8660, 24) = 0
[pid 15633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15633] setpgid(0, 0)               = 0
[pid 15633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15633] write(3, "1000", 4)         = 4
[pid 15633] close(3)                    = 0
[pid 15633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.506859][T15629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15633] close(5)                    = 0
[pid 15633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15636 attached
) = 15636
[pid 15633] tkill(15636, SIGSTOP)       = 0
[pid 15636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15633, si_uid=65534} ---
[pid 15633] exit_group(0 <unfinished ...>
[pid 15636] --- stopped by SIGSTOP ---
[pid 15633] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15633] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15637 attached
, child_tidptr=0x5555574e8650) = 15637
[pid 15637] set_robust_list(0x5555574e8660, 24) = 0
[pid 15637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15637] setpgid(0, 0)               = 0
[pid 15637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15637] write(3, "1000", 4)         = 4
[pid 15637] close(3)                    = 0
[pid 15637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.557566][T15633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15637] close(5)                    = 0
[pid 15637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15640 attached
) = 15640
[pid 15637] tkill(15640, SIGSTOP)       = 0
[pid 15640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15637, si_uid=65534} ---
[pid 15637] exit_group(0 <unfinished ...>
[pid 15640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15637] <... exit_group resumed>)   = ?
[pid 15637] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15641 attached
, child_tidptr=0x5555574e8650) = 15641
[pid 15641] set_robust_list(0x5555574e8660, 24) = 0
[pid 15641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15641] setpgid(0, 0)               = 0
[pid 15641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15641] write(3, "1000", 4)         = 4
[pid 15641] close(3)                    = 0
[pid 15641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.618433][T15637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15641] close(5)                    = 0
[pid 15641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15644 attached
) = 15644
[pid 15641] tkill(15644, SIGSTOP)       = 0
[pid 15644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15641, si_uid=65534} ---
[pid 15641] exit_group(0 <unfinished ...>
[pid 15644] --- stopped by SIGSTOP ---
[pid 15641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15641] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15645 attached
, child_tidptr=0x5555574e8650) = 15645
[pid 15645] set_robust_list(0x5555574e8660, 24) = 0
[pid 15645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15645] setpgid(0, 0)               = 0
[pid 15645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15645] write(3, "1000", 4)         = 4
[pid 15645] close(3)                    = 0
[pid 15645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.673570][T15641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15645] close(5)                    = 0
[pid 15645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15648 attached
) = 15648
[pid 15645] tkill(15648, SIGSTOP)       = 0
[pid 15648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15645, si_uid=65534} ---
[pid 15645] exit_group(0 <unfinished ...>
[pid 15648] --- stopped by SIGSTOP ---
[pid 15645] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15645, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15649 attached
, child_tidptr=0x5555574e8650) = 15649
[pid 15649] set_robust_list(0x5555574e8660, 24) = 0
[pid 15649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15649] setpgid(0, 0)               = 0
[pid 15649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  203.725462][T15645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15649] write(3, "1000", 4)         = 4
[pid 15649] close(3)                    = 0
[pid 15649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15649] close(5)                    = 0
[pid 15649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15652 attached
) = 15652
[pid 15649] tkill(15652, SIGSTOP)       = 0
[pid 15652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15649, si_uid=65534} ---
[pid 15649] exit_group(0 <unfinished ...>
[pid 15652] --- stopped by SIGSTOP ---
[pid 15649] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15653 attached
, child_tidptr=0x5555574e8650) = 15653
[pid 15653] set_robust_list(0x5555574e8660, 24) = 0
[pid 15653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15653] setpgid(0, 0)               = 0
[pid 15653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15653] write(3, "1000", 4)         = 4
[pid 15653] close(3)                    = 0
[pid 15653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.797030][T15649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15653] close(5)                    = 0
[pid 15653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15656 attached
) = 15656
[pid 15653] tkill(15656, SIGSTOP)       = 0
[pid 15656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15653, si_uid=65534} ---
[pid 15653] exit_group(0 <unfinished ...>
[pid 15656] --- stopped by SIGSTOP ---
[pid 15653] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15653, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15657 attached
, child_tidptr=0x5555574e8650) = 15657
[pid 15657] set_robust_list(0x5555574e8660, 24) = 0
[pid 15657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15657] setpgid(0, 0)               = 0
[pid 15657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15657] write(3, "1000", 4)         = 4
[pid 15657] close(3)                    = 0
[pid 15657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.850591][T15653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15657] close(5)                    = 0
[pid 15657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15660 attached
) = 15660
[pid 15657] tkill(15660, SIGSTOP)       = 0
[pid 15660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15657, si_uid=65534} ---
[pid 15657] exit_group(0 <unfinished ...>
[pid 15660] --- stopped by SIGSTOP ---
[pid 15657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15657, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15661 attached
, child_tidptr=0x5555574e8650) = 15661
[pid 15661] set_robust_list(0x5555574e8660, 24) = 0
[pid 15661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15661] setpgid(0, 0)               = 0
[pid 15661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15661] write(3, "1000", 4)         = 4
[pid 15661] close(3)                    = 0
[pid 15661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.910886][T15657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15661] close(5)                    = 0
[pid 15661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15664 attached
) = 15664
[pid 15661] tkill(15664, SIGSTOP)       = 0
[pid 15664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15661, si_uid=65534} ---
[pid 15661] exit_group(0 <unfinished ...>
[pid 15664] --- stopped by SIGSTOP ---
[pid 15661] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15661, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15665 attached
, child_tidptr=0x5555574e8650) = 15665
[pid 15665] set_robust_list(0x5555574e8660, 24) = 0
[pid 15665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15665] setpgid(0, 0)               = 0
[pid 15665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15665] write(3, "1000", 4)         = 4
[pid 15665] close(3)                    = 0
[pid 15665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  203.974706][T15661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15665] close(5)                    = 0
[pid 15665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15668 attached
) = 15668
[pid 15665] tkill(15668, SIGSTOP)       = 0
[pid 15668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15665, si_uid=65534} ---
[pid 15665] exit_group(0 <unfinished ...>
[pid 15668] --- stopped by SIGSTOP ---
[pid 15665] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15665] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15669 attached
, child_tidptr=0x5555574e8650) = 15669
[pid 15669] set_robust_list(0x5555574e8660, 24) = 0
[pid 15669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15669] setpgid(0, 0)               = 0
[pid 15669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15669] write(3, "1000", 4)         = 4
[pid 15669] close(3)                    = 0
[pid 15669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.027091][T15665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15669] close(5)                    = 0
[pid 15669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15672 attached
) = 15672
[pid 15669] tkill(15672, SIGSTOP)       = 0
[pid 15672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15669, si_uid=65534} ---
[pid 15669] exit_group(0 <unfinished ...>
[pid 15672] --- stopped by SIGSTOP ---
[pid 15669] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15673 attached
, child_tidptr=0x5555574e8650) = 15673
[pid 15673] set_robust_list(0x5555574e8660, 24) = 0
[pid 15673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15673] setpgid(0, 0)               = 0
[pid 15673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15673] write(3, "1000", 4)         = 4
[pid 15673] close(3)                    = 0
[pid 15673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.083260][T15669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15673] close(5)                    = 0
[pid 15673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15676 attached
) = 15676
[pid 15673] tkill(15676, SIGSTOP)       = 0
[pid 15676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15673, si_uid=65534} ---
[pid 15676] --- stopped by SIGSTOP ---
[pid 15673] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15673] <... exit_group resumed>)   = ?
[pid 15673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15677 attached
, child_tidptr=0x5555574e8650) = 15677
[pid 15677] set_robust_list(0x5555574e8660, 24) = 0
[pid 15677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15677] setpgid(0, 0)               = 0
[pid 15677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15677] write(3, "1000", 4)         = 4
[pid 15677] close(3)                    = 0
[  204.146561][T15673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15677] close(5)                    = 0
[pid 15677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15680 attached
) = 15680
[pid 15677] tkill(15680, SIGSTOP)       = 0
[pid 15680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15677, si_uid=65534} ---
[pid 15677] exit_group(0 <unfinished ...>
[pid 15680] --- stopped by SIGSTOP ---
[pid 15677] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15677] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15677, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15681 attached
, child_tidptr=0x5555574e8650) = 15681
[pid 15681] set_robust_list(0x5555574e8660, 24) = 0
[pid 15681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15681] setpgid(0, 0)               = 0
[pid 15681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15681] write(3, "1000", 4)         = 4
[pid 15681] close(3)                    = 0
[pid 15681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  204.215144][T15677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15681] close(5)                    = 0
[pid 15681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15684 attached
) = 15684
[pid 15681] tkill(15684, SIGSTOP)       = 0
[pid 15684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15681, si_uid=65534} ---
[pid 15681] exit_group(0 <unfinished ...>
[pid 15684] --- stopped by SIGSTOP ---
[pid 15681] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15681] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15685 attached
, child_tidptr=0x5555574e8650) = 15685
[pid 15685] set_robust_list(0x5555574e8660, 24) = 0
[pid 15685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15685] setpgid(0, 0)               = 0
[pid 15685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15685] write(3, "1000", 4)         = 4
[pid 15685] close(3)                    = 0
[pid 15685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.282009][T15681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15685] close(5)                    = 0
[pid 15685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15688 attached
) = 15688
[pid 15685] tkill(15688, SIGSTOP)       = 0
[pid 15688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15685, si_uid=65534} ---
[pid 15685] exit_group(0 <unfinished ...>
[pid 15688] --- stopped by SIGSTOP ---
[pid 15685] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15685, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15689 attached
, child_tidptr=0x5555574e8650) = 15689
[pid 15689] set_robust_list(0x5555574e8660, 24) = 0
[pid 15689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15689] setpgid(0, 0)               = 0
[  204.335135][T15685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15689] write(3, "1000", 4)         = 4
[pid 15689] close(3)                    = 0
[pid 15689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15689] close(5)                    = 0
[pid 15689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15692 attached
) = 15692
[pid 15689] tkill(15692, SIGSTOP)       = 0
[pid 15689] exit_group(0 <unfinished ...>
[pid 15692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15689, si_uid=65534} ---
[pid 15689] <... exit_group resumed>)   = ?
[pid 15692] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15693 attached
, child_tidptr=0x5555574e8650) = 15693
[pid 15693] set_robust_list(0x5555574e8660, 24) = 0
[pid 15693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15693] setpgid(0, 0)               = 0
[pid 15693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15693] write(3, "1000", 4)         = 4
[pid 15693] close(3)                    = 0
[pid 15693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.411667][T15689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15693] close(5)                    = 0
[pid 15693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15696 attached
) = 15696
[pid 15693] tkill(15696, SIGSTOP)       = 0
[pid 15696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15693, si_uid=65534} ---
[pid 15693] exit_group(0 <unfinished ...>
[pid 15696] --- stopped by SIGSTOP ---
[pid 15693] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15693] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15693, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15697 attached
, child_tidptr=0x5555574e8650) = 15697
[pid 15697] set_robust_list(0x5555574e8660, 24) = 0
[pid 15697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15697] setpgid(0, 0)               = 0
[pid 15697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15697] write(3, "1000", 4)         = 4
[  204.464654][T15693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15697] close(3)                    = 0
[pid 15697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15697] close(5)                    = 0
[pid 15697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15700 attached
) = 15700
[pid 15697] tkill(15700, SIGSTOP)       = 0
[pid 15700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15697, si_uid=65534} ---
[pid 15697] exit_group(0 <unfinished ...>
[pid 15700] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15697] <... exit_group resumed>)   = ?
[pid 15697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15697, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15701 attached
, child_tidptr=0x5555574e8650) = 15701
[pid 15701] set_robust_list(0x5555574e8660, 24) = 0
[pid 15701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15701] setpgid(0, 0)               = 0
[pid 15701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15701] write(3, "1000", 4)         = 4
[pid 15701] close(3)                    = 0
[pid 15701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.534409][T15697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15701] close(5)                    = 0
[pid 15701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15704 attached
) = 15704
[pid 15701] tkill(15704, SIGSTOP)       = 0
[pid 15704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15701, si_uid=65534} ---
[pid 15701] exit_group(0 <unfinished ...>
[pid 15704] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15701] <... exit_group resumed>)   = ?
[pid 15701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 15705
./strace-static-x86_64: Process 15705 attached
[pid 15705] set_robust_list(0x5555574e8660, 24) = 0
[pid 15705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15705] setpgid(0, 0)               = 0
[pid 15705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15705] write(3, "1000", 4)         = 4
[  204.588678][T15701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15705] close(3)                    = 0
[pid 15705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15705] close(5)                    = 0
[pid 15705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 15708
[pid 15705] tkill(15708, SIGSTOP)       = 0
[pid 15705] exit_group(0)               = ?
./strace-static-x86_64: Process 15708 attached
[pid 15705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15705, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 15708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15705, si_uid=65534} ---
[pid 15708] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15709 attached
, child_tidptr=0x5555574e8650) = 15709
[pid 15709] set_robust_list(0x5555574e8660, 24) = 0
[pid 15709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  204.663530][T15705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15709] setpgid(0, 0)               = 0
[pid 15709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15709] write(3, "1000", 4)         = 4
[pid 15709] close(3)                    = 0
[pid 15709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15709] close(5)                    = 0
[pid 15709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15712 attached
) = 15712
[pid 15709] tkill(15712, SIGSTOP)       = 0
[pid 15712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15709, si_uid=65534} ---
[pid 15709] exit_group(0 <unfinished ...>
[pid 15712] --- stopped by SIGSTOP ---
[pid 15709] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15713 attached
, child_tidptr=0x5555574e8650) = 15713
[pid 15713] set_robust_list(0x5555574e8660, 24) = 0
[pid 15713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15713] setpgid(0, 0)               = 0
[pid 15713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15713] write(3, "1000", 4)         = 4
[  204.749706][T15709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15713] close(3)                    = 0
[pid 15713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15713] close(5)                    = 0
[pid 15713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 15716
[pid 15713] tkill(15716, SIGSTOP./strace-static-x86_64: Process 15716 attached
)       = 0
[pid 15716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15713, si_uid=65534} ---
[pid 15713] exit_group(0)               = ?
[pid 15716] --- stopped by SIGSTOP ---
[pid 15713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15717 attached
 <unfinished ...>
[pid 15717] set_robust_list(0x5555574e8660, 24) = 0
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 15717
[pid 15717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15717] setpgid(0, 0)               = 0
[pid 15717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15717] write(3, "1000", 4)         = 4
[pid 15717] close(3)                    = 0
[pid 15717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  204.838759][T15713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15717] close(5)                    = 0
[pid 15717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 15720
./strace-static-x86_64: Process 15720 attached
[pid 15717] tkill(15720, SIGSTOP)       = 0
[pid 15720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15717, si_uid=65534} ---
[pid 15717] exit_group(0 <unfinished ...>
[pid 15720] --- stopped by SIGSTOP ---
[pid 15717] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15721 attached
, child_tidptr=0x5555574e8650) = 15721
[pid 15721] set_robust_list(0x5555574e8660, 24) = 0
[pid 15721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  204.907827][T15717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15721] setpgid(0, 0)               = 0
[pid 15721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15721] write(3, "1000", 4)         = 4
[pid 15721] close(3)                    = 0
[pid 15721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15721] close(5)                    = 0
[pid 15721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15724 attached
) = 15724
[pid 15721] tkill(15724, SIGSTOP)       = 0
[pid 15724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15721, si_uid=65534} ---
[pid 15721] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15724] --- stopped by SIGSTOP ---
[pid 15721] <... exit_group resumed>)   = ?
[pid 15721] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15721, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 15725
./strace-static-x86_64: Process 15725 attached
[pid 15725] set_robust_list(0x5555574e8660, 24) = 0
[pid 15725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  204.993965][T15721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15725] setpgid(0, 0)               = 0
[pid 15725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15725] write(3, "1000", 4)         = 4
[pid 15725] close(3)                    = 0
[pid 15725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15725] close(5)                    = 0
[pid 15725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15728 attached
) = 15728
[pid 15725] tkill(15728, SIGSTOP)       = 0
[pid 15728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15725, si_uid=65534} ---
[pid 15725] exit_group(0 <unfinished ...>
[pid 15728] --- stopped by SIGSTOP ---
[pid 15725] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15725] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15729 attached
, child_tidptr=0x5555574e8650) = 15729
[pid 15729] set_robust_list(0x5555574e8660, 24) = 0
[pid 15729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15729] setpgid(0, 0)               = 0
[pid 15729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15729] write(3, "1000", 4)         = 4
[pid 15729] close(3)                    = 0
[pid 15729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.087362][T15725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15729] close(5)                    = 0
[pid 15729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15732 attached
) = 15732
[pid 15729] tkill(15732, SIGSTOP)       = 0
[pid 15732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15729, si_uid=65534} ---
[pid 15729] exit_group(0 <unfinished ...>
[pid 15732] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15729] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15729] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15733 attached
, child_tidptr=0x5555574e8650) = 15733
[pid 15733] set_robust_list(0x5555574e8660, 24) = 0
[pid 15733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15733] setpgid(0, 0)               = 0
[pid 15733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15733] write(3, "1000", 4)         = 4
[pid 15733] close(3)                    = 0
[pid 15733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.141484][T15729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15733] close(5)                    = 0
[pid 15733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15736 attached
) = 15736
[pid 15733] tkill(15736, SIGSTOP)       = 0
[pid 15736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15733, si_uid=65534} ---
[pid 15733] exit_group(0 <unfinished ...>
[pid 15736] --- stopped by SIGSTOP ---
[pid 15733] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15733, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15737 attached
, child_tidptr=0x5555574e8650) = 15737
[pid 15737] set_robust_list(0x5555574e8660, 24) = 0
[pid 15737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15737] setpgid(0, 0)               = 0
[pid 15737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15737] write(3, "1000", 4)         = 4
[pid 15737] close(3)                    = 0
[pid 15737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.193774][T15733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15737] close(5)                    = 0
[pid 15737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15740 attached
) = 15740
[pid 15737] tkill(15740, SIGSTOP)       = 0
[pid 15740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15737, si_uid=65534} ---
[pid 15737] exit_group(0 <unfinished ...>
[pid 15740] --- stopped by SIGSTOP ---
[pid 15737] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15741 attached
, child_tidptr=0x5555574e8650) = 15741
[pid 15741] set_robust_list(0x5555574e8660, 24) = 0
[pid 15741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15741] setpgid(0, 0)               = 0
[pid 15741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15741] write(3, "1000", 4)         = 4
[pid 15741] close(3)                    = 0
[pid 15741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.249411][T15737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15741] close(5)                    = 0
[pid 15741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15744 attached
) = 15744
[pid 15741] tkill(15744, SIGSTOP)       = 0
[pid 15744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15741, si_uid=65534} ---
[pid 15741] exit_group(0 <unfinished ...>
[pid 15744] --- stopped by SIGSTOP ---
[pid 15741] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15745 attached
, child_tidptr=0x5555574e8650) = 15745
[pid 15745] set_robust_list(0x5555574e8660, 24) = 0
[pid 15745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15745] setpgid(0, 0)               = 0
[pid 15745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15745] write(3, "1000", 4)         = 4
[pid 15745] close(3)                    = 0
[pid 15745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.306644][T15741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15745] close(5)                    = 0
[pid 15745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15748 attached
) = 15748
[pid 15745] tkill(15748, SIGSTOP)       = 0
[pid 15748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15745, si_uid=65534} ---
[pid 15745] exit_group(0 <unfinished ...>
[pid 15748] --- stopped by SIGSTOP ---
[pid 15745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15745] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15749 attached
, child_tidptr=0x5555574e8650) = 15749
[pid 15749] set_robust_list(0x5555574e8660, 24) = 0
[pid 15749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15749] setpgid(0, 0)               = 0
[pid 15749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15749] write(3, "1000", 4)         = 4
[pid 15749] close(3)                    = 0
[pid 15749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.362035][T15745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15749] close(5)                    = 0
[pid 15749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15752 attached
) = 15752
[pid 15749] tkill(15752, SIGSTOP)       = 0
[pid 15752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15749, si_uid=65534} ---
[pid 15749] exit_group(0 <unfinished ...>
[pid 15752] --- stopped by SIGSTOP ---
[pid 15749] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15749] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15749, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15753 attached
, child_tidptr=0x5555574e8650) = 15753
[pid 15753] set_robust_list(0x5555574e8660, 24) = 0
[pid 15753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15753] setpgid(0, 0)               = 0
[pid 15753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15753] write(3, "1000", 4)         = 4
[pid 15753] close(3)                    = 0
[pid 15753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.414361][T15749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15753] close(5)                    = 0
[pid 15753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15756 attached
) = 15756
[pid 15753] tkill(15756, SIGSTOP)       = 0
[pid 15756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15753, si_uid=65534} ---
[pid 15756] --- stopped by SIGSTOP ---
[pid 15753] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15753] <... exit_group resumed>)   = ?
[pid 15753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15757 attached
, child_tidptr=0x5555574e8650) = 15757
[pid 15757] set_robust_list(0x5555574e8660, 24) = 0
[pid 15757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15757] setpgid(0, 0)               = 0
[pid 15757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15757] write(3, "1000", 4)         = 4
[pid 15757] close(3)                    = 0
[pid 15757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.470327][T15753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15757] close(5)                    = 0
[pid 15757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15760 attached
) = 15760
[pid 15757] tkill(15760, SIGSTOP)       = 0
[pid 15757] exit_group(0 <unfinished ...>
[pid 15760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15757, si_uid=65534} ---
[pid 15757] <... exit_group resumed>)   = ?
[pid 15760] --- stopped by SIGSTOP ---
[pid 15757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15761 attached
, child_tidptr=0x5555574e8650) = 15761
[pid 15761] set_robust_list(0x5555574e8660, 24) = 0
[pid 15761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15761] setpgid(0, 0)               = 0
[pid 15761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15761] write(3, "1000", 4)         = 4
[pid 15761] close(3)                    = 0
[pid 15761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.528360][T15757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15761] close(5)                    = 0
[pid 15761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15764 attached
) = 15764
[pid 15761] tkill(15764, SIGSTOP)       = 0
[pid 15764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15761, si_uid=65534} ---
[pid 15761] exit_group(0 <unfinished ...>
[pid 15764] --- stopped by SIGSTOP ---
[pid 15761] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15761, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15765 attached
, child_tidptr=0x5555574e8650) = 15765
[pid 15765] set_robust_list(0x5555574e8660, 24) = 0
[pid 15765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15765] setpgid(0, 0)               = 0
[pid 15765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15765] write(3, "1000", 4)         = 4
[pid 15765] close(3)                    = 0
[pid 15765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.583239][T15761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15765] close(5)                    = 0
[pid 15765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15768 attached
) = 15768
[pid 15765] tkill(15768, SIGSTOP)       = 0
[pid 15768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15765, si_uid=65534} ---
[pid 15765] exit_group(0 <unfinished ...>
[pid 15768] --- stopped by SIGSTOP ---
[pid 15765] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15765] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15769 attached
, child_tidptr=0x5555574e8650) = 15769
[pid 15769] set_robust_list(0x5555574e8660, 24) = 0
[pid 15769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15769] setpgid(0, 0)               = 0
[pid 15769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15769] write(3, "1000", 4)         = 4
[pid 15769] close(3)                    = 0
[pid 15769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  205.641652][T15765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15769] close(5)                    = 0
[pid 15769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15772 attached
) = 15772
[pid 15769] tkill(15772, SIGSTOP)       = 0
[pid 15772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15769, si_uid=65534} ---
[pid 15772] --- stopped by SIGSTOP ---
[pid 15769] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15769] <... exit_group resumed>)   = ?
[pid 15769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15773 attached
, child_tidptr=0x5555574e8650) = 15773
[pid 15773] set_robust_list(0x5555574e8660, 24) = 0
[pid 15773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15773] setpgid(0, 0)               = 0
[pid 15773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15773] write(3, "1000", 4)         = 4
[pid 15773] close(3)                    = 0
[  205.707234][T15769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15773] close(5)                    = 0
[pid 15773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15776 attached
) = 15776
[pid 15773] tkill(15776, SIGSTOP)       = 0
[pid 15776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15773, si_uid=65534} ---
[pid 15773] exit_group(0 <unfinished ...>
[pid 15776] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15773] <... exit_group resumed>)   = ?
[pid 15773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15773, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15777 attached
, child_tidptr=0x5555574e8650) = 15777
[pid 15777] set_robust_list(0x5555574e8660, 24) = 0
[pid 15777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15777] setpgid(0, 0)               = 0
[pid 15777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15777] write(3, "1000", 4)         = 4
[pid 15777] close(3)                    = 0
[  205.774897][T15773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15777] close(5)                    = 0
[pid 15777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15780 attached
) = 15780
[pid 15777] tkill(15780, SIGSTOP)       = 0
[pid 15777] exit_group(0 <unfinished ...>
[pid 15780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15777, si_uid=65534} ---
[pid 15777] <... exit_group resumed>)   = ?
[pid 15780] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15781 attached
, child_tidptr=0x5555574e8650) = 15781
[pid 15781] set_robust_list(0x5555574e8660, 24) = 0
[pid 15781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15781] setpgid(0, 0)               = 0
[pid 15781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15781] write(3, "1000", 4)         = 4
[pid 15781] close(3)                    = 0
[pid 15781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.842551][T15777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15781] close(5)                    = 0
[pid 15781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15784 attached
) = 15784
[pid 15781] tkill(15784, SIGSTOP)       = 0
[pid 15784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15781, si_uid=65534} ---
[pid 15781] exit_group(0 <unfinished ...>
[pid 15784] --- stopped by SIGSTOP ---
[pid 15781] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15785 attached
, child_tidptr=0x5555574e8650) = 15785
[pid 15785] set_robust_list(0x5555574e8660, 24) = 0
[pid 15785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15785] setpgid(0, 0)               = 0
[pid 15785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15785] write(3, "1000", 4)         = 4
[pid 15785] close(3)                    = 0
[pid 15785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.903302][T15781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15785] close(5)                    = 0
[pid 15785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15788 attached
) = 15788
[pid 15785] tkill(15788, SIGSTOP)       = 0
[pid 15788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15785, si_uid=65534} ---
[pid 15785] exit_group(0 <unfinished ...>
[pid 15788] --- stopped by SIGSTOP ---
[pid 15785] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15789 attached
, child_tidptr=0x5555574e8650) = 15789
[pid 15789] set_robust_list(0x5555574e8660, 24) = 0
[pid 15789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15789] setpgid(0, 0)               = 0
[pid 15789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15789] write(3, "1000", 4)         = 4
[pid 15789] close(3)                    = 0
[pid 15789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  205.959743][T15785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15789] close(5)                    = 0
[pid 15789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15792 attached
) = 15792
[pid 15789] tkill(15792, SIGSTOP)       = 0
[pid 15789] exit_group(0 <unfinished ...>
[pid 15792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15789, si_uid=65534} ---
[pid 15789] <... exit_group resumed>)   = ?
[pid 15792] --- stopped by SIGSTOP ---
[pid 15789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15793 attached
, child_tidptr=0x5555574e8650) = 15793
[pid 15793] set_robust_list(0x5555574e8660, 24) = 0
[pid 15793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15793] setpgid(0, 0)               = 0
[pid 15793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15793] write(3, "1000", 4)         = 4
[pid 15793] close(3)                    = 0
[pid 15793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.018610][T15789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15793] close(5)                    = 0
[pid 15793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15796 attached
) = 15796
[pid 15793] tkill(15796, SIGSTOP)       = 0
[pid 15796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15793, si_uid=65534} ---
[pid 15796] --- stopped by SIGSTOP ---
[pid 15793] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15793] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15793, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15797 attached
, child_tidptr=0x5555574e8650) = 15797
[pid 15797] set_robust_list(0x5555574e8660, 24) = 0
[pid 15797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15797] setpgid(0, 0)               = 0
[pid 15797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15797] write(3, "1000", 4)         = 4
[pid 15797] close(3)                    = 0
[pid 15797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.072258][T15793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15797] close(5)                    = 0
[pid 15797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15800 attached
) = 15800
[pid 15797] tkill(15800, SIGSTOP)       = 0
[pid 15800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15797, si_uid=65534} ---
[pid 15797] exit_group(0 <unfinished ...>
[pid 15800] --- stopped by SIGSTOP ---
[pid 15797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15801 attached
, child_tidptr=0x5555574e8650) = 15801
[pid 15801] set_robust_list(0x5555574e8660, 24) = 0
[pid 15801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15801] setpgid(0, 0)               = 0
[pid 15801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15801] write(3, "1000", 4)         = 4
[pid 15801] close(3)                    = 0
[pid 15801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.127761][T15797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15801] close(5)                    = 0
[pid 15801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15804 attached
) = 15804
[pid 15801] tkill(15804, SIGSTOP)       = 0
[pid 15801] exit_group(0)               = ?
[pid 15804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15801, si_uid=65534} ---
[pid 15804] --- stopped by SIGSTOP ---
[pid 15801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15805 attached
, child_tidptr=0x5555574e8650) = 15805
[pid 15805] set_robust_list(0x5555574e8660, 24) = 0
[pid 15805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15805] setpgid(0, 0)               = 0
[pid 15805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15805] write(3, "1000", 4)         = 4
[pid 15805] close(3)                    = 0
[pid 15805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.186773][T15801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15805] close(5)                    = 0
[pid 15805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15808 attached
) = 15808
[pid 15805] tkill(15808, SIGSTOP)       = 0
[pid 15808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15805, si_uid=65534} ---
[pid 15808] --- stopped by SIGSTOP ---
[pid 15805] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15805] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15805] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15809 attached
, child_tidptr=0x5555574e8650) = 15809
[pid 15809] set_robust_list(0x5555574e8660, 24) = 0
[pid 15809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15809] setpgid(0, 0)               = 0
[pid 15809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15809] write(3, "1000", 4)         = 4
[pid 15809] close(3)                    = 0
[pid 15809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.239498][T15805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15809] close(5)                    = 0
[pid 15809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15812 attached
) = 15812
[pid 15809] tkill(15812, SIGSTOP)       = 0
[pid 15812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15809, si_uid=65534} ---
[pid 15809] exit_group(0 <unfinished ...>
[pid 15812] --- stopped by SIGSTOP ---
[pid 15809] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15813 attached
, child_tidptr=0x5555574e8650) = 15813
[pid 15813] set_robust_list(0x5555574e8660, 24) = 0
[pid 15813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15813] setpgid(0, 0)               = 0
[pid 15813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15813] write(3, "1000", 4)         = 4
[pid 15813] close(3)                    = 0
[pid 15813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.290799][T15809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15813] close(5)                    = 0
[pid 15813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15816 attached
) = 15816
[pid 15813] tkill(15816, SIGSTOP)       = 0
[pid 15813] exit_group(0 <unfinished ...>
[pid 15816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15813, si_uid=65534} ---
[pid 15813] <... exit_group resumed>)   = ?
[pid 15816] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15813] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15817 attached
, child_tidptr=0x5555574e8650) = 15817
[pid 15817] set_robust_list(0x5555574e8660, 24) = 0
[pid 15817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15817] setpgid(0, 0)               = 0
[pid 15817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15817] write(3, "1000", 4)         = 4
[pid 15817] close(3)                    = 0
[pid 15817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.348198][T15813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15817] close(5)                    = 0
[pid 15817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15820 attached
) = 15820
[pid 15817] tkill(15820, SIGSTOP)       = 0
[pid 15820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15817, si_uid=65534} ---
[pid 15817] exit_group(0 <unfinished ...>
[pid 15820] --- stopped by SIGSTOP ---
[pid 15817] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15817] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15817, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15821 attached
, child_tidptr=0x5555574e8650) = 15821
[pid 15821] set_robust_list(0x5555574e8660, 24) = 0
[pid 15821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15821] setpgid(0, 0)               = 0
[pid 15821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15821] write(3, "1000", 4)         = 4
[pid 15821] close(3)                    = 0
[pid 15821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.400225][T15817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15821] close(5)                    = 0
[pid 15821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15824 attached
) = 15824
[pid 15821] tkill(15824, SIGSTOP)       = 0
[pid 15824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15821, si_uid=65534} ---
[pid 15821] exit_group(0 <unfinished ...>
[pid 15824] --- stopped by SIGSTOP ---
[pid 15821] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15821] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15825 attached
, child_tidptr=0x5555574e8650) = 15825
[pid 15825] set_robust_list(0x5555574e8660, 24) = 0
[pid 15825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15825] setpgid(0, 0)               = 0
[pid 15825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15825] write(3, "1000", 4)         = 4
[pid 15825] close(3)                    = 0
[pid 15825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.454082][T15821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15825] close(5)                    = 0
[pid 15825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15828 attached
) = 15828
[pid 15825] tkill(15828, SIGSTOP)       = 0
[pid 15828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15825, si_uid=65534} ---
[pid 15825] exit_group(0 <unfinished ...>
[pid 15828] --- stopped by SIGSTOP ---
[pid 15825] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15829 attached
, child_tidptr=0x5555574e8650) = 15829
[pid 15829] set_robust_list(0x5555574e8660, 24) = 0
[pid 15829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15829] setpgid(0, 0)               = 0
[pid 15829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15829] write(3, "1000", 4)         = 4
[pid 15829] close(3)                    = 0
[pid 15829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.508501][T15825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15829] close(5)                    = 0
[pid 15829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15832 attached
) = 15832
[pid 15829] tkill(15832, SIGSTOP)       = 0
[pid 15832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15829, si_uid=65534} ---
[pid 15829] exit_group(0 <unfinished ...>
[pid 15832] --- stopped by SIGSTOP ---
[pid 15829] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15833 attached
, child_tidptr=0x5555574e8650) = 15833
[pid 15833] set_robust_list(0x5555574e8660, 24) = 0
[pid 15833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15833] setpgid(0, 0)               = 0
[pid 15833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15833] write(3, "1000", 4)         = 4
[pid 15833] close(3)                    = 0
[pid 15833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.562949][T15829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15833] close(5)                    = 0
[pid 15833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15836 attached
) = 15836
[pid 15833] tkill(15836, SIGSTOP)       = 0
[pid 15836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15833, si_uid=65534} ---
[pid 15833] exit_group(0 <unfinished ...>
[pid 15836] --- stopped by SIGSTOP ---
[pid 15833] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15837 attached
, child_tidptr=0x5555574e8650) = 15837
[pid 15837] set_robust_list(0x5555574e8660, 24) = 0
[pid 15837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15837] setpgid(0, 0)               = 0
[pid 15837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15837] write(3, "1000", 4)         = 4
[pid 15837] close(3)                    = 0
[  206.619391][T15833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15837] close(5)                    = 0
[pid 15837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15840 attached
) = 15840
[pid 15837] tkill(15840, SIGSTOP)       = 0
[pid 15840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15837, si_uid=65534} ---
[pid 15837] exit_group(0 <unfinished ...>
[pid 15840] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15837] <... exit_group resumed>)   = ?
[pid 15837] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15837, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15841 attached
, child_tidptr=0x5555574e8650) = 15841
[pid 15841] set_robust_list(0x5555574e8660, 24) = 0
[pid 15841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15841] setpgid(0, 0)               = 0
[pid 15841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15841] write(3, "1000", 4)         = 4
[pid 15841] close(3)                    = 0
[pid 15841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.690089][T15837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15841] close(5)                    = 0
[pid 15841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15844 attached
) = 15844
[pid 15841] tkill(15844, SIGSTOP)       = 0
[pid 15844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15841, si_uid=65534} ---
[pid 15841] exit_group(0 <unfinished ...>
[pid 15844] --- stopped by SIGSTOP ---
[pid 15841] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15841, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15845 attached
, child_tidptr=0x5555574e8650) = 15845
[pid 15845] set_robust_list(0x5555574e8660, 24) = 0
[pid 15845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15845] setpgid(0, 0)               = 0
[pid 15845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15845] write(3, "1000", 4)         = 4
[pid 15845] close(3)                    = 0
[pid 15845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.747566][T15841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15845] close(5)                    = 0
[pid 15845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15848 attached
) = 15848
[pid 15845] tkill(15848, SIGSTOP)       = 0
[pid 15848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15845, si_uid=65534} ---
[pid 15845] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15848] --- stopped by SIGSTOP ---
[pid 15845] <... exit_group resumed>)   = ?
[pid 15845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15845, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15849 attached
, child_tidptr=0x5555574e8650) = 15849
[pid 15849] set_robust_list(0x5555574e8660, 24) = 0
[pid 15849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15849] setpgid(0, 0)               = 0
[pid 15849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15849] write(3, "1000", 4)         = 4
[pid 15849] close(3)                    = 0
[pid 15849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.802959][T15845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15849] close(5)                    = 0
[pid 15849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15852 attached
) = 15852
[pid 15849] tkill(15852, SIGSTOP)       = 0
[pid 15849] exit_group(0)               = ?
[pid 15852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15849, si_uid=65534} ---
[pid 15852] --- stopped by SIGSTOP ---
[pid 15849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15853 attached
, child_tidptr=0x5555574e8650) = 15853
[pid 15853] set_robust_list(0x5555574e8660, 24) = 0
[pid 15853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15853] setpgid(0, 0)               = 0
[pid 15853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15853] write(3, "1000", 4)         = 4
[pid 15853] close(3)                    = 0
[pid 15853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.857369][T15849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15853] close(5)                    = 0
[pid 15853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15856 attached
) = 15856
[pid 15853] tkill(15856, SIGSTOP)       = 0
[pid 15856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15853, si_uid=65534} ---
[pid 15853] exit_group(0 <unfinished ...>
[pid 15856] --- stopped by SIGSTOP ---
[pid 15853] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15853, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15857 attached
, child_tidptr=0x5555574e8650) = 15857
[pid 15857] set_robust_list(0x5555574e8660, 24) = 0
[pid 15857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15857] setpgid(0, 0)               = 0
[pid 15857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15857] write(3, "1000", 4)         = 4
[pid 15857] close(3)                    = 0
[pid 15857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.908080][T15853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15857] close(5)                    = 0
[pid 15857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15860 attached
) = 15860
[pid 15857] tkill(15860, SIGSTOP)       = 0
[pid 15860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15857, si_uid=65534} ---
[pid 15857] exit_group(0 <unfinished ...>
[pid 15860] --- stopped by SIGSTOP ---
[pid 15857] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15861 attached
, child_tidptr=0x5555574e8650) = 15861
[pid 15861] set_robust_list(0x5555574e8660, 24) = 0
[pid 15861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15861] setpgid(0, 0)               = 0
[pid 15861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15861] write(3, "1000", 4)         = 4
[pid 15861] close(3)                    = 0
[pid 15861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  206.965426][T15857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15861] close(5)                    = 0
[pid 15861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15864 attached
) = 15864
[pid 15861] tkill(15864, SIGSTOP)       = 0
[pid 15861] exit_group(0 <unfinished ...>
[pid 15864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15861, si_uid=65534} ---
[pid 15861] <... exit_group resumed>)   = ?
[pid 15864] --- stopped by SIGSTOP ---
[pid 15861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15865 attached
, child_tidptr=0x5555574e8650) = 15865
[pid 15865] set_robust_list(0x5555574e8660, 24) = 0
[pid 15865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15865] setpgid(0, 0)               = 0
[pid 15865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15865] write(3, "1000", 4)         = 4
[pid 15865] close(3)                    = 0
[pid 15865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.023310][T15861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15865] close(5)                    = 0
[pid 15865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15868 attached
) = 15868
[pid 15865] tkill(15868, SIGSTOP)       = 0
[pid 15868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15865, si_uid=65534} ---
[pid 15865] exit_group(0 <unfinished ...>
[pid 15868] --- stopped by SIGSTOP ---
[pid 15865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15869 attached
, child_tidptr=0x5555574e8650) = 15869
[pid 15869] set_robust_list(0x5555574e8660, 24) = 0
[pid 15869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15869] setpgid(0, 0)               = 0
[pid 15869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15869] write(3, "1000", 4)         = 4
[pid 15869] close(3)                    = 0
[pid 15869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.077325][T15865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15869] close(5)                    = 0
[pid 15869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15872 attached
) = 15872
[pid 15869] tkill(15872, SIGSTOP)       = 0
[pid 15872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15869, si_uid=65534} ---
[pid 15869] exit_group(0 <unfinished ...>
[pid 15872] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15869] <... exit_group resumed>)   = ?
[pid 15869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15869, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15873 attached
, child_tidptr=0x5555574e8650) = 15873
[pid 15873] set_robust_list(0x5555574e8660, 24) = 0
[pid 15873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15873] setpgid(0, 0)               = 0
[pid 15873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15873] write(3, "1000", 4)         = 4
[pid 15873] close(3)                    = 0
[  207.133350][T15869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15873] close(5)                    = 0
[pid 15873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15876 attached
) = 15876
[pid 15873] tkill(15876, SIGSTOP)       = 0
[pid 15876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15873, si_uid=65534} ---
[pid 15873] exit_group(0 <unfinished ...>
[pid 15876] --- stopped by SIGSTOP ---
[pid 15873] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15873, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15877 attached
, child_tidptr=0x5555574e8650) = 15877
[pid 15877] set_robust_list(0x5555574e8660, 24) = 0
[pid 15877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15877] setpgid(0, 0)               = 0
[pid 15877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15877] write(3, "1000", 4)         = 4
[pid 15877] close(3)                    = 0
[pid 15877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.202064][T15873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15877] close(5)                    = 0
[pid 15877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15880 attached
) = 15880
[pid 15877] tkill(15880, SIGSTOP)       = 0
[pid 15880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15877, si_uid=65534} ---
[pid 15877] exit_group(0 <unfinished ...>
[pid 15880] --- stopped by SIGSTOP ---
[pid 15877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15881 attached
, child_tidptr=0x5555574e8650) = 15881
[pid 15881] set_robust_list(0x5555574e8660, 24) = 0
[pid 15881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15881] setpgid(0, 0)               = 0
[pid 15881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15881] write(3, "1000", 4)         = 4
[pid 15881] close(3)                    = 0
[pid 15881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.253727][T15877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15881] close(5)                    = 0
[pid 15881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15884 attached
) = 15884
[pid 15881] tkill(15884, SIGSTOP)       = 0
[pid 15884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15881, si_uid=65534} ---
[pid 15881] exit_group(0 <unfinished ...>
[pid 15884] --- stopped by SIGSTOP ---
[pid 15881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15885 attached
, child_tidptr=0x5555574e8650) = 15885
[pid 15885] set_robust_list(0x5555574e8660, 24) = 0
[pid 15885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15885] setpgid(0, 0)               = 0
[pid 15885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15885] write(3, "1000", 4)         = 4
[pid 15885] close(3)                    = 0
[pid 15885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.316992][T15881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15885] close(5)                    = 0
[pid 15885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15888 attached
) = 15888
[pid 15885] tkill(15888, SIGSTOP)       = 0
[pid 15888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15885, si_uid=65534} ---
[pid 15885] exit_group(0 <unfinished ...>
[pid 15888] --- stopped by SIGSTOP ---
[pid 15885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15885] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15885, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15889 attached
, child_tidptr=0x5555574e8650) = 15889
[pid 15889] set_robust_list(0x5555574e8660, 24) = 0
[pid 15889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15889] setpgid(0, 0)               = 0
[pid 15889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15889] write(3, "1000", 4)         = 4
[pid 15889] close(3)                    = 0
[  207.372623][T15885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15889] close(5)                    = 0
[pid 15889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15892 attached
) = 15892
[pid 15889] tkill(15892, SIGSTOP)       = 0
[pid 15892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15889, si_uid=65534} ---
[pid 15889] exit_group(0 <unfinished ...>
[pid 15892] --- stopped by SIGSTOP ---
[pid 15889] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15889] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15893 attached
, child_tidptr=0x5555574e8650) = 15893
[pid 15893] set_robust_list(0x5555574e8660, 24) = 0
[pid 15893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15893] setpgid(0, 0)               = 0
[pid 15893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15893] write(3, "1000", 4)         = 4
[pid 15893] close(3)                    = 0
[pid 15893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.440820][T15889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15893] close(5)                    = 0
[pid 15893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15896 attached
) = 15896
[pid 15893] tkill(15896, SIGSTOP)       = 0
[pid 15893] exit_group(0 <unfinished ...>
[pid 15896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15893, si_uid=65534} ---
[pid 15893] <... exit_group resumed>)   = ?
[pid 15896] --- stopped by SIGSTOP ---
[pid 15893] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15897 attached
, child_tidptr=0x5555574e8650) = 15897
[pid 15897] set_robust_list(0x5555574e8660, 24) = 0
[pid 15897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15897] setpgid(0, 0)               = 0
[pid 15897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15897] write(3, "1000", 4)         = 4
[pid 15897] close(3)                    = 0
[pid 15897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.500066][T15893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15897] close(5)                    = 0
[pid 15897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15900 attached
) = 15900
[pid 15897] tkill(15900, SIGSTOP)       = 0
[pid 15900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15897, si_uid=65534} ---
[pid 15897] exit_group(0 <unfinished ...>
[pid 15900] --- stopped by SIGSTOP ---
[pid 15897] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15897] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15901 attached
, child_tidptr=0x5555574e8650) = 15901
[pid 15901] set_robust_list(0x5555574e8660, 24) = 0
[pid 15901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15901] setpgid(0, 0)               = 0
[pid 15901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15901] write(3, "1000", 4)         = 4
[pid 15901] close(3)                    = 0
[pid 15901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.551565][T15897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15901] close(5)                    = 0
[pid 15901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15904 attached
) = 15904
[pid 15901] tkill(15904, SIGSTOP)       = 0
[pid 15904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15901, si_uid=65534} ---
[pid 15901] exit_group(0 <unfinished ...>
[pid 15904] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15901] <... exit_group resumed>)   = ?
[pid 15901] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15901, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15905 attached
, child_tidptr=0x5555574e8650) = 15905
[pid 15905] set_robust_list(0x5555574e8660, 24) = 0
[pid 15905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15905] setpgid(0, 0)               = 0
[pid 15905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15905] write(3, "1000", 4)         = 4
[pid 15905] close(3)                    = 0
[pid 15905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.603021][T15901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15905] close(5)                    = 0
[pid 15905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15908 attached
) = 15908
[pid 15905] tkill(15908, SIGSTOP)       = 0
[pid 15908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15905, si_uid=65534} ---
[pid 15905] exit_group(0 <unfinished ...>
[pid 15908] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15905] <... exit_group resumed>)   = ?
[pid 15905] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15905, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15909 attached
, child_tidptr=0x5555574e8650) = 15909
[pid 15909] set_robust_list(0x5555574e8660, 24) = 0
[pid 15909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15909] setpgid(0, 0)               = 0
[pid 15909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15909] write(3, "1000", 4)         = 4
[pid 15909] close(3)                    = 0
[pid 15909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.662157][T15905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15909] close(5)                    = 0
[pid 15909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15912 attached
) = 15912
[pid 15909] tkill(15912, SIGSTOP)       = 0
[pid 15912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15909, si_uid=65534} ---
[pid 15909] exit_group(0 <unfinished ...>
[pid 15912] --- stopped by SIGSTOP ---
[pid 15909] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15909, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15913 attached
, child_tidptr=0x5555574e8650) = 15913
[pid 15913] set_robust_list(0x5555574e8660, 24) = 0
[pid 15913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15913] setpgid(0, 0)               = 0
[pid 15913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15913] write(3, "1000", 4)         = 4
[pid 15913] close(3)                    = 0
[pid 15913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.717210][T15909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15913] close(5)                    = 0
[pid 15913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15916 attached
) = 15916
[pid 15913] tkill(15916, SIGSTOP)       = 0
[pid 15916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15913, si_uid=65534} ---
[pid 15913] exit_group(0 <unfinished ...>
[pid 15916] --- stopped by SIGSTOP ---
[pid 15913] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 15913] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15917 attached
, child_tidptr=0x5555574e8650) = 15917
[pid 15917] set_robust_list(0x5555574e8660, 24) = 0
[pid 15917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15917] setpgid(0, 0)               = 0
[pid 15917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15917] write(3, "1000", 4)         = 4
[pid 15917] close(3)                    = 0
[pid 15917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.776095][T15913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15917] close(5)                    = 0
[pid 15917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15920 attached
) = 15920
[pid 15917] tkill(15920, SIGSTOP)       = 0
[pid 15920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15917, si_uid=65534} ---
[pid 15917] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15920] --- stopped by SIGSTOP ---
[pid 15917] <... exit_group resumed>)   = ?
[pid 15917] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15921 attached
 <unfinished ...>
[pid 15921] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 15921
[pid 15921] <... set_robust_list resumed>) = 0
[pid 15921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15921] setpgid(0, 0)               = 0
[pid 15921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15921] write(3, "1000", 4)         = 4
[pid 15921] close(3)                    = 0
[pid 15921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  207.837444][T15917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15921] close(5)                    = 0
[pid 15921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15924 attached
) = 15924
[pid 15921] tkill(15924, SIGSTOP)       = 0
[pid 15924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15921, si_uid=65534} ---
[pid 15921] exit_group(0 <unfinished ...>
[pid 15924] --- stopped by SIGSTOP ---
[pid 15921] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15921, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15925 attached
, child_tidptr=0x5555574e8650) = 15925
[pid 15925] set_robust_list(0x5555574e8660, 24) = 0
[pid 15925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15925] setpgid(0, 0)               = 0
[pid 15925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15925] write(3, "1000", 4)         = 4
[pid 15925] close(3)                    = 0
[pid 15925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.903582][T15921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15925] close(5)                    = 0
[pid 15925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15928 attached
) = 15928
[pid 15925] tkill(15928, SIGSTOP)       = 0
[pid 15928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15925, si_uid=65534} ---
[pid 15925] exit_group(0 <unfinished ...>
[pid 15928] --- stopped by SIGSTOP ---
[pid 15925] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15929 attached
, child_tidptr=0x5555574e8650) = 15929
[pid 15929] set_robust_list(0x5555574e8660, 24) = 0
[pid 15929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15929] setpgid(0, 0)               = 0
[pid 15929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15929] write(3, "1000", 4)         = 4
[pid 15929] close(3)                    = 0
[pid 15929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  207.956560][T15925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15929] close(5)                    = 0
[pid 15929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15932 attached
) = 15932
[pid 15929] tkill(15932, SIGSTOP)       = 0
[pid 15932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15929, si_uid=65534} ---
[pid 15929] exit_group(0 <unfinished ...>
[pid 15932] --- stopped by SIGSTOP ---
[pid 15929] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15929] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15933 attached
, child_tidptr=0x5555574e8650) = 15933
[pid 15933] set_robust_list(0x5555574e8660, 24) = 0
[pid 15933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15933] setpgid(0, 0)               = 0
[pid 15933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15933] write(3, "1000", 4)         = 4
[pid 15933] close(3)                    = 0
[pid 15933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.010235][T15929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15933] close(5)                    = 0
[pid 15933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15936 attached
) = 15936
[pid 15933] tkill(15936, SIGSTOP)       = 0
[pid 15936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15933, si_uid=65534} ---
[pid 15933] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15936] --- stopped by SIGSTOP ---
[pid 15933] <... exit_group resumed>)   = ?
[pid 15933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15937 attached
, child_tidptr=0x5555574e8650) = 15937
[pid 15937] set_robust_list(0x5555574e8660, 24) = 0
[pid 15937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15937] setpgid(0, 0)               = 0
[pid 15937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15937] write(3, "1000", 4)         = 4
[pid 15937] close(3)                    = 0
[pid 15937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.066447][T15933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15937] close(5)                    = 0
[pid 15937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15940 attached
) = 15940
[pid 15937] tkill(15940, SIGSTOP)       = 0
[pid 15940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15937, si_uid=65534} ---
[pid 15937] exit_group(0 <unfinished ...>
[pid 15940] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15937] <... exit_group resumed>)   = ?
[pid 15937] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15937, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15941 attached
, child_tidptr=0x5555574e8650) = 15941
[pid 15941] set_robust_list(0x5555574e8660, 24) = 0
[pid 15941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15941] setpgid(0, 0)               = 0
[pid 15941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15941] write(3, "1000", 4)         = 4
[pid 15941] close(3)                    = 0
[pid 15941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.123717][T15937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15941] close(5)                    = 0
[pid 15941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15944 attached
) = 15944
[pid 15941] tkill(15944, SIGSTOP)       = 0
[pid 15944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15941, si_uid=65534} ---
[pid 15941] exit_group(0 <unfinished ...>
[pid 15944] --- stopped by SIGSTOP ---
[pid 15941] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15945 attached
, child_tidptr=0x5555574e8650) = 15945
[pid 15945] set_robust_list(0x5555574e8660, 24) = 0
[pid 15945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15945] setpgid(0, 0)               = 0
[pid 15945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15945] write(3, "1000", 4)         = 4
[pid 15945] close(3)                    = 0
[  208.179902][T15941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15945] close(5)                    = 0
[pid 15945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15948 attached
) = 15948
[pid 15945] tkill(15948, SIGSTOP)       = 0
[pid 15948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15945, si_uid=65534} ---
[pid 15945] exit_group(0 <unfinished ...>
[pid 15948] --- stopped by SIGSTOP ---
[pid 15945] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15945] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15949 attached
, child_tidptr=0x5555574e8650) = 15949
[pid 15949] set_robust_list(0x5555574e8660, 24) = 0
[pid 15949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15949] setpgid(0, 0)               = 0
[pid 15949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15949] write(3, "1000", 4)         = 4
[pid 15949] close(3)                    = 0
[pid 15949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.249902][T15945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15949] close(5)                    = 0
[pid 15949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15952 attached
) = 15952
[pid 15949] tkill(15952, SIGSTOP)       = 0
[pid 15952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15949, si_uid=65534} ---
[pid 15949] exit_group(0 <unfinished ...>
[pid 15952] --- stopped by SIGSTOP ---
[pid 15949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15949, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15953 attached
, child_tidptr=0x5555574e8650) = 15953
[pid 15953] set_robust_list(0x5555574e8660, 24) = 0
[pid 15953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15953] setpgid(0, 0)               = 0
[pid 15953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15953] write(3, "1000", 4)         = 4
[pid 15953] close(3)                    = 0
[pid 15953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.303878][T15949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15953] close(5)                    = 0
[pid 15953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15956 attached
) = 15956
[pid 15953] tkill(15956, SIGSTOP)       = 0
[pid 15956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15953, si_uid=65534} ---
[pid 15953] exit_group(0 <unfinished ...>
[pid 15956] --- stopped by SIGSTOP ---
[pid 15953] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15957 attached
, child_tidptr=0x5555574e8650) = 15957
[pid 15957] set_robust_list(0x5555574e8660, 24) = 0
[pid 15957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15957] setpgid(0, 0)               = 0
[pid 15957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15957] write(3, "1000", 4)         = 4
[pid 15957] close(3)                    = 0
[pid 15957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  208.358973][T15953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15957] close(5)                    = 0
[pid 15957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15960 attached
) = 15960
[pid 15957] tkill(15960, SIGSTOP)       = 0
[pid 15957] exit_group(0 <unfinished ...>
[pid 15960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15957, si_uid=65534} ---
[pid 15957] <... exit_group resumed>)   = ?
[pid 15960] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15957, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15961 attached
, child_tidptr=0x5555574e8650) = 15961
[pid 15961] set_robust_list(0x5555574e8660, 24) = 0
[pid 15961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15961] setpgid(0, 0)               = 0
[pid 15961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15961] write(3, "1000", 4)         = 4
[pid 15961] close(3)                    = 0
[pid 15961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.424656][T15957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15961] close(5)                    = 0
[pid 15961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15964 attached
) = 15964
[pid 15961] tkill(15964, SIGSTOP)       = 0
[pid 15961] exit_group(0 <unfinished ...>
[pid 15964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15961, si_uid=65534} ---
[pid 15961] <... exit_group resumed>)   = ?
[pid 15964] --- stopped by SIGSTOP ---
[pid 15961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15965 attached
, child_tidptr=0x5555574e8650) = 15965
[pid 15965] set_robust_list(0x5555574e8660, 24) = 0
[pid 15965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15965] setpgid(0, 0)               = 0
[pid 15965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15965] write(3, "1000", 4)         = 4
[pid 15965] close(3)                    = 0
[pid 15965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.477785][T15961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15965] close(5)                    = 0
[pid 15965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15968 attached
) = 15968
[pid 15965] tkill(15968, SIGSTOP)       = 0
[pid 15968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15965, si_uid=65534} ---
[pid 15965] exit_group(0 <unfinished ...>
[pid 15968] --- stopped by SIGSTOP ---
[pid 15965] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15965] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15965, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15969 attached
, child_tidptr=0x5555574e8650) = 15969
[pid 15969] set_robust_list(0x5555574e8660, 24) = 0
[pid 15969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15969] setpgid(0, 0)               = 0
[pid 15969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15969] write(3, "1000", 4)         = 4
[pid 15969] close(3)                    = 0
[pid 15969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.530936][T15965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15969] close(5)                    = 0
[pid 15969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15972 attached
) = 15972
[pid 15969] tkill(15972, SIGSTOP)       = 0
[pid 15972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15969, si_uid=65534} ---
[pid 15969] exit_group(0 <unfinished ...>
[pid 15972] --- stopped by SIGSTOP ---
[pid 15969] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15973 attached
, child_tidptr=0x5555574e8650) = 15973
[pid 15973] set_robust_list(0x5555574e8660, 24) = 0
[pid 15973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15973] setpgid(0, 0)               = 0
[pid 15973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15973] write(3, "1000", 4)         = 4
[pid 15973] close(3)                    = 0
[pid 15973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.581915][T15969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15973] close(5)                    = 0
[pid 15973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15976 attached
) = 15976
[pid 15973] tkill(15976, SIGSTOP)       = 0
[pid 15976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15973, si_uid=65534} ---
[pid 15973] exit_group(0 <unfinished ...>
[pid 15976] --- stopped by SIGSTOP ---
[pid 15973] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 15973] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15977 attached
, child_tidptr=0x5555574e8650) = 15977
[pid 15977] set_robust_list(0x5555574e8660, 24) = 0
[pid 15977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15977] setpgid(0, 0)               = 0
[pid 15977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15977] write(3, "1000", 4)         = 4
[pid 15977] close(3)                    = 0
[pid 15977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.640839][T15973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15977] close(5)                    = 0
[pid 15977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15980 attached
) = 15980
[pid 15977] tkill(15980, SIGSTOP)       = 0
[pid 15980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15977, si_uid=65534} ---
[pid 15977] exit_group(0 <unfinished ...>
[pid 15980] --- stopped by SIGSTOP ---
[pid 15977] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15977] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15977, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15981 attached
, child_tidptr=0x5555574e8650) = 15981
[pid 15981] set_robust_list(0x5555574e8660, 24) = 0
[pid 15981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15981] setpgid(0, 0)               = 0
[pid 15981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  208.693627][T15977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15981] write(3, "1000", 4)         = 4
[pid 15981] close(3)                    = 0
[pid 15981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 15981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15981] close(5)                    = 0
[pid 15981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15984 attached
) = 15984
[pid 15981] tkill(15984, SIGSTOP)       = 0
[pid 15984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15981, si_uid=65534} ---
[pid 15981] exit_group(0 <unfinished ...>
[pid 15984] --- stopped by SIGSTOP ---
[pid 15981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15985 attached
, child_tidptr=0x5555574e8650) = 15985
[pid 15985] set_robust_list(0x5555574e8660, 24) = 0
[pid 15985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15985] setpgid(0, 0)               = 0
[pid 15985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15985] write(3, "1000", 4)         = 4
[pid 15985] close(3)                    = 0
[pid 15985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.768384][T15981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15985] close(5)                    = 0
[pid 15985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15988 attached
) = 15988
[pid 15985] tkill(15988, SIGSTOP)       = 0
[pid 15988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15985, si_uid=65534} ---
[pid 15985] exit_group(0 <unfinished ...>
[pid 15988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15985] <... exit_group resumed>)   = ?
[pid 15985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15985, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15989 attached
, child_tidptr=0x5555574e8650) = 15989
[pid 15989] set_robust_list(0x5555574e8660, 24) = 0
[pid 15989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15989] setpgid(0, 0)               = 0
[pid 15989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15989] write(3, "1000", 4)         = 4
[pid 15989] close(3)                    = 0
[pid 15989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.824126][T15985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15989] close(5)                    = 0
[pid 15989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15992 attached
) = 15992
[pid 15989] tkill(15992, SIGSTOP)       = 0
[pid 15989] exit_group(0 <unfinished ...>
[pid 15992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15989, si_uid=65534} ---
[pid 15989] <... exit_group resumed>)   = ?
[pid 15992] --- stopped by SIGSTOP ---
[pid 15989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15993 attached
, child_tidptr=0x5555574e8650) = 15993
[pid 15993] set_robust_list(0x5555574e8660, 24) = 0
[pid 15993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15993] setpgid(0, 0)               = 0
[pid 15993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15993] write(3, "1000", 4)         = 4
[pid 15993] close(3)                    = 0
[pid 15993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.883488][T15989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15993] close(5)                    = 0
[pid 15993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 15996 attached
) = 15996
[pid 15993] tkill(15996, SIGSTOP)       = 0
[pid 15993] exit_group(0 <unfinished ...>
[pid 15996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15993, si_uid=65534} ---
[pid 15993] <... exit_group resumed>)   = ?
[pid 15996] --- stopped by SIGSTOP ---
[pid 15993] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=15996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15997 attached
, child_tidptr=0x5555574e8650) = 15997
[pid 15997] set_robust_list(0x5555574e8660, 24) = 0
[pid 15997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15997] setpgid(0, 0)               = 0
[pid 15997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15997] write(3, "1000", 4)         = 4
[pid 15997] close(3)                    = 0
[pid 15997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 15997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.939359][T15993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 15997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 15997] close(5)                    = 0
[pid 15997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16000 attached
) = 16000
[pid 15997] tkill(16000, SIGSTOP)       = 0
[pid 16000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=15997, si_uid=65534} ---
[pid 15997] exit_group(0 <unfinished ...>
[pid 16000] --- stopped by SIGSTOP ---
[pid 15997] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 15997] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16001 attached
, child_tidptr=0x5555574e8650) = 16001
[pid 16001] set_robust_list(0x5555574e8660, 24) = 0
[pid 16001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16001] setpgid(0, 0)               = 0
[pid 16001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16001] write(3, "1000", 4)         = 4
[pid 16001] close(3)                    = 0
[pid 16001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  208.997275][T15997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16001] close(5)                    = 0
[pid 16001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16004 attached
) = 16004
[pid 16001] tkill(16004, SIGSTOP)       = 0
[pid 16004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16001, si_uid=65534} ---
[pid 16001] exit_group(0 <unfinished ...>
[pid 16004] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16001] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16001] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16001, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16005 attached
, child_tidptr=0x5555574e8650) = 16005
[pid 16005] set_robust_list(0x5555574e8660, 24) = 0
[pid 16005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16005] setpgid(0, 0)               = 0
[pid 16005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16005] write(3, "1000", 4)         = 4
[pid 16005] close(3)                    = 0
[pid 16005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.054442][T16001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16005] close(5)                    = 0
[pid 16005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16008 attached
) = 16008
[pid 16005] tkill(16008, SIGSTOP)       = 0
[pid 16005] exit_group(0 <unfinished ...>
[pid 16008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16005, si_uid=65534} ---
[pid 16005] <... exit_group resumed>)   = ?
[pid 16008] --- stopped by SIGSTOP ---
[pid 16005] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16009 attached
, child_tidptr=0x5555574e8650) = 16009
[pid 16009] set_robust_list(0x5555574e8660, 24) = 0
[pid 16009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16009] setpgid(0, 0)               = 0
[pid 16009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16009] write(3, "1000", 4)         = 4
[pid 16009] close(3)                    = 0
[pid 16009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.117945][T16005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16009] close(5)                    = 0
[pid 16009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16012 attached
) = 16012
[pid 16009] tkill(16012, SIGSTOP)       = 0
[pid 16012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16009, si_uid=65534} ---
[pid 16009] exit_group(0 <unfinished ...>
[pid 16012] --- stopped by SIGSTOP ---
[pid 16009] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16013 attached
, child_tidptr=0x5555574e8650) = 16013
[pid 16013] set_robust_list(0x5555574e8660, 24) = 0
[pid 16013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16013] setpgid(0, 0)               = 0
[pid 16013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16013] write(3, "1000", 4)         = 4
[pid 16013] close(3)                    = 0
[pid 16013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  209.177369][T16009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16013] close(5)                    = 0
[pid 16013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16016 attached
) = 16016
[pid 16013] tkill(16016, SIGSTOP)       = 0
[pid 16016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16013, si_uid=65534} ---
[pid 16013] exit_group(0 <unfinished ...>
[pid 16016] --- stopped by SIGSTOP ---
[pid 16013] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16013, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16017 attached
, child_tidptr=0x5555574e8650) = 16017
[pid 16017] set_robust_list(0x5555574e8660, 24) = 0
[pid 16017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16017] setpgid(0, 0)               = 0
[pid 16017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16017] write(3, "1000", 4)         = 4
[pid 16017] close(3)                    = 0
[pid 16017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.244291][T16013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16017] close(5)                    = 0
[pid 16017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16020 attached
) = 16020
[pid 16017] tkill(16020, SIGSTOP)       = 0
[pid 16020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16017, si_uid=65534} ---
[pid 16017] exit_group(0 <unfinished ...>
[pid 16020] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16017] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16021 attached
, child_tidptr=0x5555574e8650) = 16021
[pid 16021] set_robust_list(0x5555574e8660, 24) = 0
[pid 16021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16021] setpgid(0, 0)               = 0
[pid 16021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16021] write(3, "1000", 4)         = 4
[pid 16021] close(3)                    = 0
[pid 16021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.300426][T16017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16021] close(5)                    = 0
[pid 16021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16024 attached
) = 16024
[pid 16021] tkill(16024, SIGSTOP)       = 0
[pid 16024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16021, si_uid=65534} ---
[pid 16021] exit_group(0 <unfinished ...>
[pid 16024] --- stopped by SIGSTOP ---
[pid 16021] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16021, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16025 attached
, child_tidptr=0x5555574e8650) = 16025
[pid 16025] set_robust_list(0x5555574e8660, 24) = 0
[pid 16025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16025] setpgid(0, 0)               = 0
[pid 16025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16025] write(3, "1000", 4)         = 4
[pid 16025] close(3)                    = 0
[pid 16025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.354419][T16021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16025] close(5)                    = 0
[pid 16025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16028 attached
) = 16028
[pid 16025] tkill(16028, SIGSTOP)       = 0
[pid 16028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16025, si_uid=65534} ---
[pid 16025] exit_group(0 <unfinished ...>
[pid 16028] --- stopped by SIGSTOP ---
[pid 16025] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16029 attached
, child_tidptr=0x5555574e8650) = 16029
[pid 16029] set_robust_list(0x5555574e8660, 24) = 0
[pid 16029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16029] setpgid(0, 0)               = 0
[pid 16029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16029] write(3, "1000", 4)         = 4
[pid 16029] close(3)                    = 0
[pid 16029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.409422][T16025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16029] close(5)                    = 0
[pid 16029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16032 attached
) = 16032
[pid 16029] tkill(16032, SIGSTOP)       = 0
[pid 16029] exit_group(0 <unfinished ...>
[pid 16032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16029, si_uid=65534} ---
[pid 16029] <... exit_group resumed>)   = ?
[pid 16032] --- stopped by SIGSTOP ---
[pid 16029] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16033 attached
, child_tidptr=0x5555574e8650) = 16033
[pid 16033] set_robust_list(0x5555574e8660, 24) = 0
[pid 16033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16033] setpgid(0, 0)               = 0
[pid 16033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16033] write(3, "1000", 4)         = 4
[pid 16033] close(3)                    = 0
[pid 16033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.473053][T16029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16033] close(5)                    = 0
[pid 16033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16036 attached
) = 16036
[pid 16033] tkill(16036, SIGSTOP)       = 0
[pid 16036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16033, si_uid=65534} ---
[pid 16033] exit_group(0 <unfinished ...>
[pid 16036] --- stopped by SIGSTOP ---
[pid 16033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16033, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16037 attached
, child_tidptr=0x5555574e8650) = 16037
[pid 16037] set_robust_list(0x5555574e8660, 24) = 0
[pid 16037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16037] setpgid(0, 0)               = 0
[pid 16037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16037] write(3, "1000", 4)         = 4
[pid 16037] close(3)                    = 0
[pid 16037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.531222][T16033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16037] close(5)                    = 0
[pid 16037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16040 attached
) = 16040
[pid 16037] tkill(16040, SIGSTOP)       = 0
[pid 16040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16037, si_uid=65534} ---
[pid 16037] exit_group(0 <unfinished ...>
[pid 16040] --- stopped by SIGSTOP ---
[pid 16037] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16037] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16037, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16041 attached
, child_tidptr=0x5555574e8650) = 16041
[pid 16041] set_robust_list(0x5555574e8660, 24) = 0
[pid 16041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16041] setpgid(0, 0)               = 0
[pid 16041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16041] write(3, "1000", 4)         = 4
[pid 16041] close(3)                    = 0
[pid 16041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.594270][T16037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16041] close(5)                    = 0
[pid 16041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16044 attached
) = 16044
[pid 16041] tkill(16044, SIGSTOP)       = 0
[pid 16044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16041, si_uid=65534} ---
[pid 16041] exit_group(0 <unfinished ...>
[pid 16044] --- stopped by SIGSTOP ---
[pid 16041] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16041] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16045 attached
, child_tidptr=0x5555574e8650) = 16045
[pid 16045] set_robust_list(0x5555574e8660, 24) = 0
[pid 16045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16045] setpgid(0, 0)               = 0
[pid 16045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16045] write(3, "1000", 4)         = 4
[pid 16045] close(3)                    = 0
[pid 16045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.648264][T16041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16045] close(5)                    = 0
[pid 16045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16048 attached
) = 16048
[pid 16045] tkill(16048, SIGSTOP)       = 0
[pid 16048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16045, si_uid=65534} ---
[pid 16045] exit_group(0 <unfinished ...>
[pid 16048] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16045] <... exit_group resumed>)   = ?
[pid 16045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16045, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16049 attached
, child_tidptr=0x5555574e8650) = 16049
[pid 16049] set_robust_list(0x5555574e8660, 24) = 0
[pid 16049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16049] setpgid(0, 0)               = 0
[pid 16049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16049] write(3, "1000", 4)         = 4
[pid 16049] close(3)                    = 0
[pid 16049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.703026][T16045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16049] close(5)                    = 0
[pid 16049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16052 attached
) = 16052
[pid 16049] tkill(16052, SIGSTOP)       = 0
[pid 16052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16049, si_uid=65534} ---
[pid 16049] exit_group(0 <unfinished ...>
[pid 16052] --- stopped by SIGSTOP ---
[pid 16049] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16053 attached
, child_tidptr=0x5555574e8650) = 16053
[pid 16053] set_robust_list(0x5555574e8660, 24) = 0
[pid 16053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16053] setpgid(0, 0)               = 0
[pid 16053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16053] write(3, "1000", 4)         = 4
[pid 16053] close(3)                    = 0
[pid 16053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.758586][T16049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16053] close(5)                    = 0
[pid 16053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16056 attached
) = 16056
[pid 16053] tkill(16056, SIGSTOP)       = 0
[pid 16056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16053, si_uid=65534} ---
[pid 16053] exit_group(0 <unfinished ...>
[pid 16056] --- stopped by SIGSTOP ---
[pid 16053] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16053, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16057 attached
, child_tidptr=0x5555574e8650) = 16057
[pid 16057] set_robust_list(0x5555574e8660, 24) = 0
[pid 16057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16057] setpgid(0, 0)               = 0
[pid 16057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16057] write(3, "1000", 4)         = 4
[pid 16057] close(3)                    = 0
[pid 16057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.813477][T16053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16057] close(5)                    = 0
[pid 16057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16060 attached
) = 16060
[pid 16057] tkill(16060, SIGSTOP)       = 0
[pid 16060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16057, si_uid=65534} ---
[pid 16057] exit_group(0 <unfinished ...>
[pid 16060] --- stopped by SIGSTOP ---
[pid 16057] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16061 attached
, child_tidptr=0x5555574e8650) = 16061
[pid 16061] set_robust_list(0x5555574e8660, 24) = 0
[pid 16061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16061] setpgid(0, 0)               = 0
[pid 16061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16061] write(3, "1000", 4)         = 4
[pid 16061] close(3)                    = 0
[pid 16061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.869929][T16057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16061] close(5)                    = 0
[pid 16061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16064 attached
) = 16064
[pid 16061] tkill(16064, SIGSTOP)       = 0
[pid 16064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16061, si_uid=65534} ---
[pid 16061] exit_group(0 <unfinished ...>
[pid 16064] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16061] <... exit_group resumed>)   = ?
[pid 16061] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16065 attached
, child_tidptr=0x5555574e8650) = 16065
[pid 16065] set_robust_list(0x5555574e8660, 24) = 0
[pid 16065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16065] setpgid(0, 0)               = 0
[pid 16065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16065] write(3, "1000", 4)         = 4
[pid 16065] close(3)                    = 0
[pid 16065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.926163][T16061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16065] close(5)                    = 0
[pid 16065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16068 attached
) = 16068
[pid 16065] tkill(16068, SIGSTOP)       = 0
[pid 16065] exit_group(0 <unfinished ...>
[pid 16068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16065, si_uid=65534} ---
[pid 16065] <... exit_group resumed>)   = ?
[pid 16068] --- stopped by SIGSTOP ---
[pid 16065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16069 attached
, child_tidptr=0x5555574e8650) = 16069
[pid 16069] set_robust_list(0x5555574e8660, 24) = 0
[pid 16069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16069] setpgid(0, 0)               = 0
[pid 16069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16069] write(3, "1000", 4)         = 4
[pid 16069] close(3)                    = 0
[pid 16069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  209.985481][T16065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16069] close(5)                    = 0
[pid 16069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16072 attached
) = 16072
[pid 16069] tkill(16072, SIGSTOP)       = 0
[pid 16072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16069, si_uid=65534} ---
[pid 16069] exit_group(0 <unfinished ...>
[pid 16072] --- stopped by SIGSTOP ---
[pid 16069] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16069] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16069, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16073 attached
, child_tidptr=0x5555574e8650) = 16073
[pid 16073] set_robust_list(0x5555574e8660, 24) = 0
[pid 16073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16073] setpgid(0, 0)               = 0
[pid 16073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16073] write(3, "1000", 4)         = 4
[pid 16073] close(3)                    = 0
[pid 16073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.043261][T16069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16073] close(5)                    = 0
[pid 16073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16076 attached
) = 16076
[pid 16073] tkill(16076, SIGSTOP)       = 0
[pid 16076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16073, si_uid=65534} ---
[pid 16073] exit_group(0 <unfinished ...>
[pid 16076] --- stopped by SIGSTOP ---
[pid 16073] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16077 attached
, child_tidptr=0x5555574e8650) = 16077
[pid 16077] set_robust_list(0x5555574e8660, 24) = 0
[pid 16077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16077] setpgid(0, 0)               = 0
[pid 16077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16077] write(3, "1000", 4)         = 4
[pid 16077] close(3)                    = 0
[pid 16077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.096364][T16073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16077] close(5)                    = 0
[pid 16077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16080 attached
) = 16080
[pid 16077] tkill(16080, SIGSTOP)       = 0
[pid 16080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16077, si_uid=65534} ---
[pid 16077] exit_group(0 <unfinished ...>
[pid 16080] --- stopped by SIGSTOP ---
[pid 16077] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16077] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16081 attached
, child_tidptr=0x5555574e8650) = 16081
[pid 16081] set_robust_list(0x5555574e8660, 24) = 0
[pid 16081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16081] setpgid(0, 0)               = 0
[  210.151191][T16077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16081] write(3, "1000", 4)         = 4
[pid 16081] close(3)                    = 0
[pid 16081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16081] close(5)                    = 0
[pid 16081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16084 attached
) = 16084
[pid 16081] tkill(16084, SIGSTOP)       = 0
[pid 16084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16081, si_uid=65534} ---
[pid 16081] exit_group(0 <unfinished ...>
[pid 16084] --- stopped by SIGSTOP ---
[pid 16081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16081] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16085 attached
, child_tidptr=0x5555574e8650) = 16085
[pid 16085] set_robust_list(0x5555574e8660, 24) = 0
[pid 16085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16085] setpgid(0, 0)               = 0
[pid 16085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16085] write(3, "1000", 4)         = 4
[pid 16085] close(3)                    = 0
[pid 16085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.229495][T16081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16085] close(5)                    = 0
[pid 16085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16088 attached
) = 16088
[pid 16085] tkill(16088, SIGSTOP)       = 0
[pid 16088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16085, si_uid=65534} ---
[pid 16088] --- stopped by SIGSTOP ---
[pid 16085] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16085] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16089 attached
, child_tidptr=0x5555574e8650) = 16089
[pid 16089] set_robust_list(0x5555574e8660, 24) = 0
[pid 16089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16089] setpgid(0, 0)               = 0
[pid 16089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16089] write(3, "1000", 4)         = 4
[pid 16089] close(3)                    = 0
[pid 16089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.285516][T16085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16089] close(5)                    = 0
[pid 16089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16092 attached
) = 16092
[pid 16089] tkill(16092, SIGSTOP)       = 0
[pid 16089] exit_group(0 <unfinished ...>
[pid 16092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16089, si_uid=65534} ---
[pid 16089] <... exit_group resumed>)   = ?
[pid 16092] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16093 attached
, child_tidptr=0x5555574e8650) = 16093
[pid 16093] set_robust_list(0x5555574e8660, 24) = 0
[pid 16093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16093] setpgid(0, 0)               = 0
[pid 16093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16093] write(3, "1000", 4)         = 4
[pid 16093] close(3)                    = 0
[pid 16093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  210.344728][T16089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16093] close(5)                    = 0
[pid 16093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16096 attached
) = 16096
[pid 16093] tkill(16096, SIGSTOP)       = 0
[pid 16096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16093, si_uid=65534} ---
[pid 16093] exit_group(0 <unfinished ...>
[pid 16096] --- stopped by SIGSTOP ---
[pid 16093] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16097 attached
, child_tidptr=0x5555574e8650) = 16097
[pid 16097] set_robust_list(0x5555574e8660, 24) = 0
[pid 16097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16097] setpgid(0, 0)               = 0
[pid 16097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  210.410383][T16093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16097] write(3, "1000", 4)         = 4
[pid 16097] close(3)                    = 0
[pid 16097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16097] close(5)                    = 0
[pid 16097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16100 attached
) = 16100
[pid 16097] tkill(16100, SIGSTOP)       = 0
[pid 16097] exit_group(0 <unfinished ...>
[pid 16100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16097, si_uid=65534} ---
[pid 16097] <... exit_group resumed>)   = ?
[pid 16100] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16097, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16101 attached
, child_tidptr=0x5555574e8650) = 16101
[pid 16101] set_robust_list(0x5555574e8660, 24) = 0
[pid 16101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16101] setpgid(0, 0)               = 0
[pid 16101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16101] write(3, "1000", 4)         = 4
[pid 16101] close(3)                    = 0
[pid 16101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.483466][T16097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16101] close(5)                    = 0
[pid 16101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16104 attached
) = 16104
[pid 16101] tkill(16104, SIGSTOP)       = 0
[pid 16104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16101, si_uid=65534} ---
[pid 16101] exit_group(0 <unfinished ...>
[pid 16104] --- stopped by SIGSTOP ---
[pid 16101] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16101] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16105 attached
, child_tidptr=0x5555574e8650) = 16105
[pid 16105] set_robust_list(0x5555574e8660, 24) = 0
[pid 16105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16105] setpgid(0, 0)               = 0
[pid 16105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16105] write(3, "1000", 4)         = 4
[pid 16105] close(3)                    = 0
[pid 16105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  210.536822][T16101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16105] close(5)                    = 0
[pid 16105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16108 attached
) = 16108
[pid 16105] tkill(16108, SIGSTOP)       = 0
[pid 16105] exit_group(0)               = ?
[pid 16108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16105, si_uid=65534} ---
[pid 16108] --- stopped by SIGSTOP ---
[pid 16105] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16109 attached
, child_tidptr=0x5555574e8650) = 16109
[pid 16109] set_robust_list(0x5555574e8660, 24) = 0
[pid 16109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16109] setpgid(0, 0)               = 0
[pid 16109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16109] write(3, "1000", 4)         = 4
[pid 16109] close(3)                    = 0
[pid 16109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.602061][T16105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16109] close(5)                    = 0
[pid 16109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16112 attached
) = 16112
[pid 16109] tkill(16112, SIGSTOP)       = 0
[pid 16112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16109, si_uid=65534} ---
[pid 16109] exit_group(0 <unfinished ...>
[pid 16112] --- stopped by SIGSTOP ---
[pid 16109] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16109] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16109, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16113 attached
, child_tidptr=0x5555574e8650) = 16113
[pid 16113] set_robust_list(0x5555574e8660, 24) = 0
[pid 16113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16113] setpgid(0, 0)               = 0
[pid 16113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16113] write(3, "1000", 4)         = 4
[pid 16113] close(3)                    = 0
[pid 16113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.659533][T16109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16113] close(5)                    = 0
[pid 16113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16116 attached
) = 16116
[pid 16113] tkill(16116, SIGSTOP)       = 0
[pid 16116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16113, si_uid=65534} ---
[pid 16113] exit_group(0 <unfinished ...>
[pid 16116] --- stopped by SIGSTOP ---
[pid 16113] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16117 attached
, child_tidptr=0x5555574e8650) = 16117
[pid 16117] set_robust_list(0x5555574e8660, 24) = 0
[pid 16117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16117] setpgid(0, 0)               = 0
[pid 16117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16117] write(3, "1000", 4)         = 4
[pid 16117] close(3)                    = 0
[pid 16117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.716628][T16113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16117] close(5)                    = 0
[pid 16117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16120 attached
) = 16120
[pid 16117] tkill(16120, SIGSTOP)       = 0
[pid 16120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16117, si_uid=65534} ---
[pid 16120] --- stopped by SIGSTOP ---
[pid 16117] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16117] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16121 attached
, child_tidptr=0x5555574e8650) = 16121
[pid 16121] set_robust_list(0x5555574e8660, 24) = 0
[pid 16121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16121] setpgid(0, 0)               = 0
[pid 16121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16121] write(3, "1000", 4)         = 4
[pid 16121] close(3)                    = 0
[pid 16121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.774220][T16117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16121] close(5)                    = 0
[pid 16121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16124 attached
) = 16124
[pid 16121] tkill(16124, SIGSTOP)       = 0
[pid 16121] exit_group(0 <unfinished ...>
[pid 16124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16121, si_uid=65534} ---
[pid 16121] <... exit_group resumed>)   = ?
[pid 16124] --- stopped by SIGSTOP ---
[pid 16121] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16125 attached
, child_tidptr=0x5555574e8650) = 16125
[pid 16125] set_robust_list(0x5555574e8660, 24) = 0
[pid 16125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16125] setpgid(0, 0)               = 0
[pid 16125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16125] write(3, "1000", 4)         = 4
[pid 16125] close(3)                    = 0
[pid 16125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.830774][T16121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16125] close(5)                    = 0
[pid 16125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16128 attached
) = 16128
[pid 16125] tkill(16128, SIGSTOP)       = 0
[pid 16128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16125, si_uid=65534} ---
[pid 16125] exit_group(0 <unfinished ...>
[pid 16128] --- stopped by SIGSTOP ---
[pid 16125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16125] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16129 attached
, child_tidptr=0x5555574e8650) = 16129
[pid 16129] set_robust_list(0x5555574e8660, 24) = 0
[pid 16129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16129] setpgid(0, 0)               = 0
[pid 16129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16129] write(3, "1000", 4)         = 4
[pid 16129] close(3)                    = 0
[pid 16129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  210.886672][T16125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16129] close(5)                    = 0
[pid 16129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16132 attached
) = 16132
[pid 16129] tkill(16132, SIGSTOP)       = 0
[pid 16132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16129, si_uid=65534} ---
[pid 16129] exit_group(0 <unfinished ...>
[pid 16132] --- stopped by SIGSTOP ---
[pid 16129] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16133 attached
, child_tidptr=0x5555574e8650) = 16133
[pid 16133] set_robust_list(0x5555574e8660, 24) = 0
[pid 16133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16133] setpgid(0, 0)               = 0
[pid 16133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16133] write(3, "1000", 4)         = 4
[  210.941233][T16129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16133] close(3)                    = 0
[pid 16133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16133] close(5)                    = 0
[pid 16133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16136 attached
) = 16136
[pid 16133] tkill(16136, SIGSTOP)       = 0
[pid 16136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16133, si_uid=65534} ---
[pid 16133] exit_group(0 <unfinished ...>
[pid 16136] --- stopped by SIGSTOP ---
[pid 16133] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16133] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16137 attached
, child_tidptr=0x5555574e8650) = 16137
[pid 16137] set_robust_list(0x5555574e8660, 24) = 0
[pid 16137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16137] setpgid(0, 0)               = 0
[pid 16137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16137] write(3, "1000", 4)         = 4
[pid 16137] close(3)                    = 0
[  211.016957][T16133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16137] close(5)                    = 0
[pid 16137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16140 attached
) = 16140
[pid 16137] tkill(16140, SIGSTOP)       = 0
[pid 16140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16137, si_uid=65534} ---
[pid 16137] exit_group(0 <unfinished ...>
[pid 16140] --- stopped by SIGSTOP ---
[pid 16137] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16137] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16137, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16141 attached
, child_tidptr=0x5555574e8650) = 16141
[pid 16141] set_robust_list(0x5555574e8660, 24) = 0
[pid 16141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16141] setpgid(0, 0)               = 0
[pid 16141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16141] write(3, "1000", 4)         = 4
[pid 16141] close(3)                    = 0
[pid 16141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.084905][T16137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16141] close(5)                    = 0
[pid 16141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16144 attached
) = 16144
[pid 16141] tkill(16144, SIGSTOP)       = 0
[pid 16144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16141, si_uid=65534} ---
[pid 16141] exit_group(0 <unfinished ...>
[pid 16144] --- stopped by SIGSTOP ---
[pid 16141] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16141] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16141, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16145 attached
, child_tidptr=0x5555574e8650) = 16145
[pid 16145] set_robust_list(0x5555574e8660, 24) = 0
[pid 16145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16145] setpgid(0, 0)               = 0
[pid 16145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16145] write(3, "1000", 4)         = 4
[pid 16145] close(3)                    = 0
[pid 16145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.143830][T16141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16145] close(5)                    = 0
[pid 16145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16148 attached
) = 16148
[pid 16145] tkill(16148, SIGSTOP)       = 0
[pid 16145] exit_group(0 <unfinished ...>
[pid 16148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16145, si_uid=65534} ---
[pid 16145] <... exit_group resumed>)   = ?
[pid 16148] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16145] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16145, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16149 attached
, child_tidptr=0x5555574e8650) = 16149
[pid 16149] set_robust_list(0x5555574e8660, 24) = 0
[pid 16149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16149] setpgid(0, 0)               = 0
[pid 16149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16149] write(3, "1000", 4)         = 4
[pid 16149] close(3)                    = 0
[pid 16149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.203233][T16145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16149] close(5)                    = 0
[pid 16149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16152 attached
) = 16152
[pid 16149] tkill(16152, SIGSTOP)       = 0
[pid 16152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16149, si_uid=65534} ---
[pid 16149] exit_group(0 <unfinished ...>
[pid 16152] --- stopped by SIGSTOP ---
[pid 16149] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16153 attached
, child_tidptr=0x5555574e8650) = 16153
[pid 16153] set_robust_list(0x5555574e8660, 24) = 0
[pid 16153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16153] setpgid(0, 0)               = 0
[pid 16153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16153] write(3, "1000", 4)         = 4
[pid 16153] close(3)                    = 0
[pid 16153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.259227][T16149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16153] close(5)                    = 0
[pid 16153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16156 attached
) = 16156
[pid 16153] tkill(16156, SIGSTOP)       = 0
[pid 16156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16153, si_uid=65534} ---
[pid 16153] exit_group(0 <unfinished ...>
[pid 16156] --- stopped by SIGSTOP ---
[pid 16153] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16153] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16157 attached
, child_tidptr=0x5555574e8650) = 16157
[pid 16157] set_robust_list(0x5555574e8660, 24) = 0
[pid 16157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16157] setpgid(0, 0)               = 0
[pid 16157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16157] write(3, "1000", 4)         = 4
[pid 16157] close(3)                    = 0
[pid 16157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.317526][T16153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16157] close(5)                    = 0
[pid 16157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16160 attached
) = 16160
[pid 16157] tkill(16160, SIGSTOP)       = 0
[pid 16160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16157, si_uid=65534} ---
[pid 16160] --- stopped by SIGSTOP ---
[pid 16157] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16157] <... exit_group resumed>)   = ?
[pid 16157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16161 attached
, child_tidptr=0x5555574e8650) = 16161
[pid 16161] set_robust_list(0x5555574e8660, 24) = 0
[pid 16161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16161] setpgid(0, 0)               = 0
[pid 16161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16161] write(3, "1000", 4)         = 4
[pid 16161] close(3)                    = 0
[pid 16161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.377262][T16157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16161] close(5)                    = 0
[pid 16161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16164 attached
) = 16164
[pid 16161] tkill(16164, SIGSTOP)       = 0
[pid 16164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16161, si_uid=65534} ---
[pid 16161] exit_group(0 <unfinished ...>
[pid 16164] --- stopped by SIGSTOP ---
[pid 16161] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16161] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16161, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16165 attached
, child_tidptr=0x5555574e8650) = 16165
[pid 16165] set_robust_list(0x5555574e8660, 24) = 0
[pid 16165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16165] setpgid(0, 0)               = 0
[pid 16165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16165] write(3, "1000", 4)         = 4
[pid 16165] close(3)                    = 0
[pid 16165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.434038][T16161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16165] close(5)                    = 0
[pid 16165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16168 attached
) = 16168
[pid 16165] tkill(16168, SIGSTOP)       = 0
[pid 16168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16165, si_uid=65534} ---
[pid 16165] exit_group(0 <unfinished ...>
[pid 16168] --- stopped by SIGSTOP ---
[pid 16165] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16165] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16165, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16169 attached
, child_tidptr=0x5555574e8650) = 16169
[pid 16169] set_robust_list(0x5555574e8660, 24) = 0
[pid 16169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16169] setpgid(0, 0)               = 0
[pid 16169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16169] write(3, "1000", 4)         = 4
[pid 16169] close(3)                    = 0
[pid 16169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.490900][T16165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16169] close(5)                    = 0
[pid 16169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16172 attached
) = 16172
[pid 16169] tkill(16172, SIGSTOP)       = 0
[pid 16172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16169, si_uid=65534} ---
[pid 16169] exit_group(0 <unfinished ...>
[pid 16172] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16169] <... exit_group resumed>)   = ?
[pid 16169] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16173 attached
, child_tidptr=0x5555574e8650) = 16173
[pid 16173] set_robust_list(0x5555574e8660, 24) = 0
[pid 16173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16173] setpgid(0, 0)               = 0
[pid 16173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16173] write(3, "1000", 4)         = 4
[pid 16173] close(3)                    = 0
[pid 16173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.549045][T16169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16173] close(5)                    = 0
[pid 16173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16176 attached
) = 16176
[pid 16173] tkill(16176, SIGSTOP)       = 0
[pid 16176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16173, si_uid=65534} ---
[pid 16173] exit_group(0 <unfinished ...>
[pid 16176] --- stopped by SIGSTOP ---
[pid 16173] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16177 attached
, child_tidptr=0x5555574e8650) = 16177
[pid 16177] set_robust_list(0x5555574e8660, 24) = 0
[pid 16177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16177] setpgid(0, 0)               = 0
[pid 16177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16177] write(3, "1000", 4)         = 4
[pid 16177] close(3)                    = 0
[pid 16177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.607475][T16173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16177] close(5)                    = 0
[pid 16177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16180 attached
) = 16180
[pid 16177] tkill(16180, SIGSTOP)       = 0
[pid 16177] exit_group(0 <unfinished ...>
[pid 16180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16177, si_uid=65534} ---
[pid 16177] <... exit_group resumed>)   = ?
[pid 16180] --- stopped by SIGSTOP ---
[pid 16177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16181 attached
, child_tidptr=0x5555574e8650) = 16181
[pid 16181] set_robust_list(0x5555574e8660, 24) = 0
[pid 16181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16181] setpgid(0, 0)               = 0
[pid 16181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16181] write(3, "1000", 4)         = 4
[pid 16181] close(3)                    = 0
[pid 16181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.660439][T16177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16181] close(5)                    = 0
[pid 16181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16184 attached
) = 16184
[pid 16181] tkill(16184, SIGSTOP)       = 0
[pid 16181] exit_group(0 <unfinished ...>
[pid 16184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16181, si_uid=65534} ---
[pid 16181] <... exit_group resumed>)   = ?
[pid 16184] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16181, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16185 attached
, child_tidptr=0x5555574e8650) = 16185
[pid 16185] set_robust_list(0x5555574e8660, 24) = 0
[pid 16185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16185] setpgid(0, 0)               = 0
[pid 16185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16185] write(3, "1000", 4)         = 4
[pid 16185] close(3)                    = 0
[pid 16185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.715174][T16181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16185] close(5)                    = 0
[pid 16185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16188 attached
) = 16188
[pid 16185] tkill(16188, SIGSTOP)       = 0
[pid 16188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16185, si_uid=65534} ---
[pid 16185] exit_group(0 <unfinished ...>
[pid 16188] --- stopped by SIGSTOP ---
[pid 16185] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16185] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16189 attached
, child_tidptr=0x5555574e8650) = 16189
[pid 16189] set_robust_list(0x5555574e8660, 24) = 0
[pid 16189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16189] setpgid(0, 0)               = 0
[pid 16189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16189] write(3, "1000", 4)         = 4
[pid 16189] close(3)                    = 0
[pid 16189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.769403][T16185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16189] close(5)                    = 0
[pid 16189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16192 attached
) = 16192
[pid 16189] tkill(16192, SIGSTOP)       = 0
[pid 16192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16189, si_uid=65534} ---
[pid 16189] exit_group(0 <unfinished ...>
[pid 16192] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16189] <... exit_group resumed>)   = ?
[pid 16189] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16189, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16193 attached
, child_tidptr=0x5555574e8650) = 16193
[pid 16193] set_robust_list(0x5555574e8660, 24) = 0
[pid 16193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16193] setpgid(0, 0)               = 0
[pid 16193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16193] write(3, "1000", 4)         = 4
[pid 16193] close(3)                    = 0
[pid 16193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  211.823817][T16189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16193] close(5)                    = 0
[pid 16193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16196 attached
) = 16196
[pid 16193] tkill(16196, SIGSTOP)       = 0
[pid 16196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16193, si_uid=65534} ---
[pid 16193] exit_group(0 <unfinished ...>
[pid 16196] --- stopped by SIGSTOP ---
[pid 16193] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16197 attached
, child_tidptr=0x5555574e8650) = 16197
[pid 16197] set_robust_list(0x5555574e8660, 24) = 0
[pid 16197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16197] setpgid(0, 0)               = 0
[pid 16197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16197] write(3, "1000", 4)         = 4
[pid 16197] close(3)                    = 0
[pid 16197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.890161][T16193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16197] close(5)                    = 0
[pid 16197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16200 attached
) = 16200
[pid 16197] tkill(16200, SIGSTOP)       = 0
[pid 16200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16197, si_uid=65534} ---
[pid 16197] exit_group(0 <unfinished ...>
[pid 16200] --- stopped by SIGSTOP ---
[pid 16197] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16197, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16201 attached
, child_tidptr=0x5555574e8650) = 16201
[pid 16201] set_robust_list(0x5555574e8660, 24) = 0
[pid 16201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16201] setpgid(0, 0)               = 0
[pid 16201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16201] write(3, "1000", 4)         = 4
[pid 16201] close(3)                    = 0
[pid 16201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  211.950546][T16197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16201] close(5)                    = 0
[pid 16201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16204 attached
) = 16204
[pid 16201] tkill(16204, SIGSTOP)       = 0
[pid 16201] exit_group(0)               = ?
[pid 16204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16201, si_uid=65534} ---
[pid 16204] --- stopped by SIGSTOP ---
[pid 16201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16205 attached
, child_tidptr=0x5555574e8650) = 16205
[pid 16205] set_robust_list(0x5555574e8660, 24) = 0
[pid 16205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16205] setpgid(0, 0)               = 0
[pid 16205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16205] write(3, "1000", 4)         = 4
[pid 16205] close(3)                    = 0
[pid 16205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.007733][T16201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16205] close(5)                    = 0
[pid 16205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16208 attached
) = 16208
[pid 16205] tkill(16208, SIGSTOP)       = 0
[pid 16208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16205, si_uid=65534} ---
[pid 16205] exit_group(0 <unfinished ...>
[pid 16208] --- stopped by SIGSTOP ---
[pid 16205] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16205, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16209 attached
, child_tidptr=0x5555574e8650) = 16209
[pid 16209] set_robust_list(0x5555574e8660, 24) = 0
[pid 16209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16209] setpgid(0, 0)               = 0
[pid 16209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16209] write(3, "1000", 4)         = 4
[pid 16209] close(3)                    = 0
[  212.060607][T16205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16209] close(5)                    = 0
[pid 16209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16212 attached
) = 16212
[pid 16209] tkill(16212, SIGSTOP)       = 0
[pid 16209] exit_group(0 <unfinished ...>
[pid 16212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16209, si_uid=65534} ---
[pid 16209] <... exit_group resumed>)   = ?
[pid 16212] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16213 attached
, child_tidptr=0x5555574e8650) = 16213
[pid 16213] set_robust_list(0x5555574e8660, 24) = 0
[pid 16213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16213] setpgid(0, 0)               = 0
[pid 16213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16213] write(3, "1000", 4)         = 4
[pid 16213] close(3)                    = 0
[pid 16213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.129751][T16209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16213] close(5)                    = 0
[pid 16213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16216 attached
) = 16216
[pid 16213] tkill(16216, SIGSTOP)       = 0
[pid 16213] exit_group(0 <unfinished ...>
[pid 16216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16213, si_uid=65534} ---
[pid 16213] <... exit_group resumed>)   = ?
[pid 16216] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16213] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16217 attached
, child_tidptr=0x5555574e8650) = 16217
[pid 16217] set_robust_list(0x5555574e8660, 24) = 0
[pid 16217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16217] setpgid(0, 0)               = 0
[pid 16217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16217] write(3, "1000", 4)         = 4
[pid 16217] close(3)                    = 0
[pid 16217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.186395][T16213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16217] close(5)                    = 0
[pid 16217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16220 attached
) = 16220
[pid 16217] tkill(16220, SIGSTOP)       = 0
[pid 16220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16217, si_uid=65534} ---
[pid 16217] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16220] --- stopped by SIGSTOP ---
[pid 16217] <... exit_group resumed>)   = ?
[pid 16217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16221 attached
, child_tidptr=0x5555574e8650) = 16221
[pid 16221] set_robust_list(0x5555574e8660, 24) = 0
[pid 16221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16221] setpgid(0, 0)               = 0
[pid 16221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16221] write(3, "1000", 4)         = 4
[pid 16221] close(3)                    = 0
[pid 16221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.240047][T16217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16221] close(5)                    = 0
[pid 16221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16224 attached
) = 16224
[pid 16221] tkill(16224, SIGSTOP)       = 0
[pid 16224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16221, si_uid=65534} ---
[pid 16221] exit_group(0 <unfinished ...>
[pid 16224] --- stopped by SIGSTOP ---
[pid 16221] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16221, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16225 attached
, child_tidptr=0x5555574e8650) = 16225
[pid 16225] set_robust_list(0x5555574e8660, 24) = 0
[pid 16225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16225] setpgid(0, 0)               = 0
[pid 16225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16225] write(3, "1000", 4)         = 4
[pid 16225] close(3)                    = 0
[pid 16225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.294536][T16221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16225] close(5)                    = 0
[pid 16225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16228 attached
) = 16228
[pid 16225] tkill(16228, SIGSTOP)       = 0
[pid 16228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16225, si_uid=65534} ---
[pid 16225] exit_group(0 <unfinished ...>
[pid 16228] --- stopped by SIGSTOP ---
[pid 16225] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16225] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16229 attached
, child_tidptr=0x5555574e8650) = 16229
[pid 16229] set_robust_list(0x5555574e8660, 24) = 0
[pid 16229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16229] setpgid(0, 0)               = 0
[pid 16229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16229] write(3, "1000", 4)         = 4
[pid 16229] close(3)                    = 0
[pid 16229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.347132][T16225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16229] close(5)                    = 0
[pid 16229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16232 attached
) = 16232
[pid 16229] tkill(16232, SIGSTOP)       = 0
[pid 16229] exit_group(0 <unfinished ...>
[pid 16232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16229, si_uid=65534} ---
[pid 16229] <... exit_group resumed>)   = ?
[pid 16232] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16229, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16233 attached
, child_tidptr=0x5555574e8650) = 16233
[pid 16233] set_robust_list(0x5555574e8660, 24) = 0
[pid 16233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16233] setpgid(0, 0)               = 0
[pid 16233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16233] write(3, "1000", 4)         = 4
[pid 16233] close(3)                    = 0
[pid 16233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.403703][T16229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16233] close(5)                    = 0
[pid 16233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16236 attached
) = 16236
[pid 16233] tkill(16236, SIGSTOP)       = 0
[pid 16236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16233, si_uid=65534} ---
[pid 16233] exit_group(0 <unfinished ...>
[pid 16236] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16233] <... exit_group resumed>)   = ?
[pid 16233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16237 attached
, child_tidptr=0x5555574e8650) = 16237
[pid 16237] set_robust_list(0x5555574e8660, 24) = 0
[pid 16237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16237] setpgid(0, 0)               = 0
[pid 16237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16237] write(3, "1000", 4)         = 4
[pid 16237] close(3)                    = 0
[pid 16237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.457396][T16233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16237] close(5)                    = 0
[pid 16237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16240 attached
) = 16240
[pid 16237] tkill(16240, SIGSTOP)       = 0
[pid 16240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16237, si_uid=65534} ---
[pid 16237] exit_group(0 <unfinished ...>
[pid 16240] --- stopped by SIGSTOP ---
[pid 16237] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16237] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16237, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16241 attached
, child_tidptr=0x5555574e8650) = 16241
[pid 16241] set_robust_list(0x5555574e8660, 24) = 0
[pid 16241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16241] setpgid(0, 0)               = 0
[pid 16241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16241] write(3, "1000", 4)         = 4
[pid 16241] close(3)                    = 0
[pid 16241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.512828][T16237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16241] close(5)                    = 0
[pid 16241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16244 attached
) = 16244
[pid 16241] tkill(16244, SIGSTOP)       = 0
[pid 16244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16241, si_uid=65534} ---
[pid 16241] exit_group(0 <unfinished ...>
[pid 16244] --- stopped by SIGSTOP ---
[pid 16241] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16241] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16241, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16245 attached
, child_tidptr=0x5555574e8650) = 16245
[pid 16245] set_robust_list(0x5555574e8660, 24) = 0
[pid 16245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16245] setpgid(0, 0)               = 0
[pid 16245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16245] write(3, "1000", 4)         = 4
[pid 16245] close(3)                    = 0
[pid 16245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.570074][T16241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16245] close(5)                    = 0
[pid 16245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16248 attached
) = 16248
[pid 16245] tkill(16248, SIGSTOP)       = 0
[pid 16248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16245, si_uid=65534} ---
[pid 16245] exit_group(0 <unfinished ...>
[pid 16248] --- stopped by SIGSTOP ---
[pid 16245] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16245, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16249 attached
, child_tidptr=0x5555574e8650) = 16249
[pid 16249] set_robust_list(0x5555574e8660, 24) = 0
[pid 16249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16249] setpgid(0, 0)               = 0
[pid 16249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16249] write(3, "1000", 4)         = 4
[pid 16249] close(3)                    = 0
[pid 16249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.624040][T16245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16249] close(5)                    = 0
[pid 16249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16252 attached
) = 16252
[pid 16249] tkill(16252, SIGSTOP)       = 0
[pid 16249] exit_group(0 <unfinished ...>
[pid 16252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16249, si_uid=65534} ---
[pid 16252] --- stopped by SIGSTOP ---
[pid 16249] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16253 attached
, child_tidptr=0x5555574e8650) = 16253
[pid 16253] set_robust_list(0x5555574e8660, 24) = 0
[pid 16253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16253] setpgid(0, 0)               = 0
[pid 16253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16253] write(3, "1000", 4)         = 4
[pid 16253] close(3)                    = 0
[pid 16253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.681725][T16249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16253] close(5)                    = 0
[pid 16253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16256 attached
) = 16256
[pid 16253] tkill(16256, SIGSTOP)       = 0
[pid 16256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16253, si_uid=65534} ---
[pid 16253] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16256] --- stopped by SIGSTOP ---
[pid 16253] <... exit_group resumed>)   = ?
[pid 16253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16253, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16257 attached
, child_tidptr=0x5555574e8650) = 16257
[pid 16257] set_robust_list(0x5555574e8660, 24) = 0
[pid 16257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16257] setpgid(0, 0)               = 0
[pid 16257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16257] write(3, "1000", 4)         = 4
[pid 16257] close(3)                    = 0
[pid 16257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.734652][T16253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16257] close(5)                    = 0
[pid 16257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16260 attached
) = 16260
[pid 16257] tkill(16260, SIGSTOP)       = 0
[pid 16260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16257, si_uid=65534} ---
[pid 16257] exit_group(0 <unfinished ...>
[pid 16260] --- stopped by SIGSTOP ---
[pid 16257] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16257] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16257, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16261 attached
, child_tidptr=0x5555574e8650) = 16261
[pid 16261] set_robust_list(0x5555574e8660, 24) = 0
[pid 16261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16261] setpgid(0, 0)               = 0
[pid 16261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16261] write(3, "1000", 4)         = 4
[pid 16261] close(3)                    = 0
[pid 16261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  212.785868][T16257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16261] close(5)                    = 0
[pid 16261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16264 attached
) = 16264
[pid 16261] tkill(16264, SIGSTOP)       = 0
[pid 16264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16261, si_uid=65534} ---
[pid 16261] exit_group(0 <unfinished ...>
[pid 16264] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16261] <... exit_group resumed>)   = ?
[pid 16261] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16265 attached
, child_tidptr=0x5555574e8650) = 16265
[pid 16265] set_robust_list(0x5555574e8660, 24) = 0
[pid 16265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16265] setpgid(0, 0)               = 0
[pid 16265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16265] write(3, "1000", 4)         = 4
[pid 16265] close(3)                    = 0
[  212.851131][T16261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16265] close(5)                    = 0
[pid 16265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16268 attached
) = 16268
[pid 16265] tkill(16268, SIGSTOP)       = 0
[pid 16268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16265, si_uid=65534} ---
[pid 16265] exit_group(0 <unfinished ...>
[pid 16268] --- stopped by SIGSTOP ---
[pid 16265] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16265] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16269 attached
, child_tidptr=0x5555574e8650) = 16269
[pid 16269] set_robust_list(0x5555574e8660, 24) = 0
[pid 16269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16269] setpgid(0, 0)               = 0
[pid 16269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16269] write(3, "1000", 4)         = 4
[pid 16269] close(3)                    = 0
[pid 16269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.919519][T16265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16269] close(5)                    = 0
[pid 16269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16272 attached
) = 16272
[pid 16269] tkill(16272, SIGSTOP)       = 0
[pid 16272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16269, si_uid=65534} ---
[pid 16269] exit_group(0 <unfinished ...>
[pid 16272] --- stopped by SIGSTOP ---
[pid 16269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16269] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16273 attached
, child_tidptr=0x5555574e8650) = 16273
[pid 16273] set_robust_list(0x5555574e8660, 24) = 0
[pid 16273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16273] setpgid(0, 0)               = 0
[pid 16273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16273] write(3, "1000", 4)         = 4
[pid 16273] close(3)                    = 0
[pid 16273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  212.977371][T16269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16273] close(5)                    = 0
[pid 16273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16276 attached
) = 16276
[pid 16273] tkill(16276, SIGSTOP)       = 0
[pid 16276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16273, si_uid=65534} ---
[pid 16273] exit_group(0 <unfinished ...>
[pid 16276] --- stopped by SIGSTOP ---
[pid 16273] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16273] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16277 attached
, child_tidptr=0x5555574e8650) = 16277
[pid 16277] set_robust_list(0x5555574e8660, 24) = 0
[pid 16277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16277] setpgid(0, 0)               = 0
[pid 16277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16277] write(3, "1000", 4)         = 4
[pid 16277] close(3)                    = 0
[  213.035205][T16273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16277] close(5)                    = 0
[pid 16277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16280 attached
) = 16280
[pid 16277] tkill(16280, SIGSTOP)       = 0
[pid 16277] exit_group(0 <unfinished ...>
[pid 16280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16277, si_uid=65534} ---
[pid 16277] <... exit_group resumed>)   = ?
[pid 16280] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16277, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16281 attached
, child_tidptr=0x5555574e8650) = 16281
[pid 16281] set_robust_list(0x5555574e8660, 24) = 0
[pid 16281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16281] setpgid(0, 0)               = 0
[pid 16281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16281] write(3, "1000", 4)         = 4
[pid 16281] close(3)                    = 0
[pid 16281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.104540][T16277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16281] close(5)                    = 0
[pid 16281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16284 attached
) = 16284
[pid 16281] tkill(16284, SIGSTOP)       = 0
[pid 16284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16281, si_uid=65534} ---
[pid 16281] exit_group(0 <unfinished ...>
[pid 16284] --- stopped by SIGSTOP ---
[pid 16281] <... exit_group resumed>)   = ?
[pid 16281] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16285 attached
, child_tidptr=0x5555574e8650) = 16285
[pid 16285] set_robust_list(0x5555574e8660, 24) = 0
[pid 16285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16285] setpgid(0, 0)               = 0
[pid 16285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16285] write(3, "1000", 4)         = 4
[pid 16285] close(3)                    = 0
[pid 16285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.158628][T16281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16285] close(5)                    = 0
[pid 16285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16288 attached
) = 16288
[pid 16285] tkill(16288, SIGSTOP)       = 0
[pid 16288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16285, si_uid=65534} ---
[pid 16285] exit_group(0 <unfinished ...>
[pid 16288] --- stopped by SIGSTOP ---
[pid 16285] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16285] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16289 attached
, child_tidptr=0x5555574e8650) = 16289
[pid 16289] set_robust_list(0x5555574e8660, 24) = 0
[pid 16289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16289] setpgid(0, 0)               = 0
[pid 16289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16289] write(3, "1000", 4)         = 4
[pid 16289] close(3)                    = 0
[pid 16289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.213165][T16285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16289] close(5)                    = 0
[pid 16289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16292 attached
) = 16292
[pid 16289] tkill(16292, SIGSTOP)       = 0
[pid 16292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16289, si_uid=65534} ---
[pid 16289] exit_group(0 <unfinished ...>
[pid 16292] --- stopped by SIGSTOP ---
[pid 16289] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16293 attached
, child_tidptr=0x5555574e8650) = 16293
[pid 16293] set_robust_list(0x5555574e8660, 24) = 0
[pid 16293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16293] setpgid(0, 0)               = 0
[pid 16293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16293] write(3, "1000", 4)         = 4
[pid 16293] close(3)                    = 0
[pid 16293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.267616][T16289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16293] close(5)                    = 0
[pid 16293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16296 attached
) = 16296
[pid 16293] tkill(16296, SIGSTOP)       = 0
[pid 16296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16293, si_uid=65534} ---
[pid 16293] exit_group(0 <unfinished ...>
[pid 16296] --- stopped by SIGSTOP ---
[pid 16293] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16293, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16297 attached
, child_tidptr=0x5555574e8650) = 16297
[pid 16297] set_robust_list(0x5555574e8660, 24) = 0
[pid 16297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16297] setpgid(0, 0)               = 0
[pid 16297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16297] write(3, "1000", 4)         = 4
[pid 16297] close(3)                    = 0
[  213.325407][T16293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16297] close(5)                    = 0
[pid 16297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16300 attached
) = 16300
[pid 16297] tkill(16300, SIGSTOP)       = 0
[pid 16300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16297, si_uid=65534} ---
[pid 16297] exit_group(0 <unfinished ...>
[pid 16300] --- stopped by SIGSTOP ---
[pid 16297] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16301 attached
, child_tidptr=0x5555574e8650) = 16301
[pid 16301] set_robust_list(0x5555574e8660, 24) = 0
[pid 16301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16301] setpgid(0, 0)               = 0
[pid 16301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16301] write(3, "1000", 4)         = 4
[pid 16301] close(3)                    = 0
[pid 16301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.392963][T16297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16301] close(5)                    = 0
[pid 16301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16304 attached
) = 16304
[pid 16301] tkill(16304, SIGSTOP)       = 0
[pid 16301] exit_group(0)               = ?
[pid 16304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16301, si_uid=65534} ---
[pid 16304] --- stopped by SIGSTOP ---
[pid 16301] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16305 attached
, child_tidptr=0x5555574e8650) = 16305
[pid 16305] set_robust_list(0x5555574e8660, 24) = 0
[pid 16305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16305] setpgid(0, 0)               = 0
[pid 16305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16305] write(3, "1000", 4)         = 4
[pid 16305] close(3)                    = 0
[pid 16305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.451826][T16301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16305] close(5)                    = 0
[pid 16305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16308 attached
) = 16308
[pid 16305] tkill(16308, SIGSTOP)       = 0
[pid 16308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16305, si_uid=65534} ---
[pid 16305] exit_group(0 <unfinished ...>
[pid 16308] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16305] <... exit_group resumed>)   = ?
[pid 16305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16305, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16309 attached
, child_tidptr=0x5555574e8650) = 16309
[pid 16309] set_robust_list(0x5555574e8660, 24) = 0
[pid 16309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16309] setpgid(0, 0)               = 0
[pid 16309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16309] write(3, "1000", 4)         = 4
[pid 16309] close(3)                    = 0
[pid 16309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.513245][T16305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16309] close(5)                    = 0
[pid 16309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16312 attached
) = 16312
[pid 16309] tkill(16312, SIGSTOP)       = 0
[pid 16312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16309, si_uid=65534} ---
[pid 16309] exit_group(0 <unfinished ...>
[pid 16312] --- stopped by SIGSTOP ---
[pid 16309] <... exit_group resumed>)   = ?
[pid 16309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16313 attached
, child_tidptr=0x5555574e8650) = 16313
[pid 16313] set_robust_list(0x5555574e8660, 24) = 0
[pid 16313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16313] setpgid(0, 0)               = 0
[pid 16313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16313] write(3, "1000", 4)         = 4
[  213.573600][T16309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16313] close(3)                    = 0
[pid 16313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16313] close(5)                    = 0
[pid 16313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16316 attached
) = 16316
[pid 16313] tkill(16316, SIGSTOP)       = 0
[pid 16316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16313, si_uid=65534} ---
[pid 16313] exit_group(0 <unfinished ...>
[pid 16316] --- stopped by SIGSTOP ---
[pid 16313] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16313] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16313, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16317 attached
, child_tidptr=0x5555574e8650) = 16317
[pid 16317] set_robust_list(0x5555574e8660, 24) = 0
[pid 16317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16317] setpgid(0, 0)               = 0
[pid 16317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16317] write(3, "1000", 4)         = 4
[pid 16317] close(3)                    = 0
[pid 16317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.645347][T16313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16317] close(5)                    = 0
[pid 16317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16320 attached
) = 16320
[pid 16317] tkill(16320, SIGSTOP)       = 0
[pid 16320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16317, si_uid=65534} ---
[pid 16317] exit_group(0 <unfinished ...>
[pid 16320] --- stopped by SIGSTOP ---
[pid 16317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16317, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16321 attached
, child_tidptr=0x5555574e8650) = 16321
[pid 16321] set_robust_list(0x5555574e8660, 24) = 0
[pid 16321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16321] setpgid(0, 0)               = 0
[pid 16321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16321] write(3, "1000", 4)         = 4
[pid 16321] close(3)                    = 0
[pid 16321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.703230][T16317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16321] close(5)                    = 0
[pid 16321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16324 attached
) = 16324
[pid 16321] tkill(16324, SIGSTOP)       = 0
[pid 16324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16321, si_uid=65534} ---
[pid 16321] exit_group(0 <unfinished ...>
[pid 16324] --- stopped by SIGSTOP ---
[pid 16321] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16325 attached
, child_tidptr=0x5555574e8650) = 16325
[pid 16325] set_robust_list(0x5555574e8660, 24) = 0
[pid 16325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16325] setpgid(0, 0)               = 0
[pid 16325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16325] write(3, "1000", 4)         = 4
[pid 16325] close(3)                    = 0
[pid 16325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.760975][T16321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16325] close(5)                    = 0
[pid 16325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16328 attached
) = 16328
[pid 16325] tkill(16328, SIGSTOP)       = 0
[pid 16328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16325, si_uid=65534} ---
[pid 16325] exit_group(0 <unfinished ...>
[pid 16328] --- stopped by SIGSTOP ---
[pid 16325] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16329 attached
, child_tidptr=0x5555574e8650) = 16329
[pid 16329] set_robust_list(0x5555574e8660, 24) = 0
[pid 16329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16329] setpgid(0, 0)               = 0
[pid 16329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16329] write(3, "1000", 4)         = 4
[pid 16329] close(3)                    = 0
[pid 16329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.818877][T16325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16329] close(5)                    = 0
[pid 16329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16332 attached
) = 16332
[pid 16329] tkill(16332, SIGSTOP)       = 0
[pid 16332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16329, si_uid=65534} ---
[pid 16329] exit_group(0 <unfinished ...>
[pid 16332] --- stopped by SIGSTOP ---
[pid 16329] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16329] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16333 attached
, child_tidptr=0x5555574e8650) = 16333
[pid 16333] set_robust_list(0x5555574e8660, 24) = 0
[pid 16333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16333] setpgid(0, 0)               = 0
[pid 16333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16333] write(3, "1000", 4)         = 4
[pid 16333] close(3)                    = 0
[pid 16333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.877778][T16329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16333] close(5)                    = 0
[pid 16333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16336 attached
) = 16336
[pid 16333] tkill(16336, SIGSTOP)       = 0
[pid 16336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16333, si_uid=65534} ---
[pid 16333] exit_group(0 <unfinished ...>
[pid 16336] --- stopped by SIGSTOP ---
[pid 16333] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16333] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16333, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16337 attached
, child_tidptr=0x5555574e8650) = 16337
[pid 16337] set_robust_list(0x5555574e8660, 24) = 0
[pid 16337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16337] setpgid(0, 0)               = 0
[pid 16337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16337] write(3, "1000", 4)         = 4
[pid 16337] close(3)                    = 0
[pid 16337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.932792][T16333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16337] close(5)                    = 0
[pid 16337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16340 attached
) = 16340
[pid 16337] tkill(16340, SIGSTOP)       = 0
[pid 16337] exit_group(0 <unfinished ...>
[pid 16340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16337, si_uid=65534} ---
[pid 16337] <... exit_group resumed>)   = ?
[pid 16340] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16337, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16341 attached
, child_tidptr=0x5555574e8650) = 16341
[pid 16341] set_robust_list(0x5555574e8660, 24) = 0
[pid 16341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16341] setpgid(0, 0)               = 0
[pid 16341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16341] write(3, "1000", 4)         = 4
[pid 16341] close(3)                    = 0
[pid 16341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  213.991605][T16337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16341] close(5)                    = 0
[pid 16341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16344 attached
) = 16344
[pid 16341] tkill(16344, SIGSTOP)       = 0
[pid 16341] exit_group(0 <unfinished ...>
[pid 16344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16341, si_uid=65534} ---
[pid 16344] --- stopped by SIGSTOP ---
[pid 16341] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16341, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16345 attached
, child_tidptr=0x5555574e8650) = 16345
[pid 16345] set_robust_list(0x5555574e8660, 24) = 0
[pid 16345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16345] setpgid(0, 0)               = 0
[pid 16345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16345] write(3, "1000", 4)         = 4
[pid 16345] close(3)                    = 0
[pid 16345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.051502][T16341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16345] close(5)                    = 0
[pid 16345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16348 attached
) = 16348
[pid 16345] tkill(16348, SIGSTOP)       = 0
[pid 16348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16345, si_uid=65534} ---
[pid 16345] exit_group(0 <unfinished ...>
[pid 16348] --- stopped by SIGSTOP ---
[pid 16345] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16349 attached
, child_tidptr=0x5555574e8650) = 16349
[pid 16349] set_robust_list(0x5555574e8660, 24) = 0
[pid 16349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16349] setpgid(0, 0)               = 0
[pid 16349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16349] write(3, "1000", 4)         = 4
[pid 16349] close(3)                    = 0
[pid 16349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.108465][T16345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16349] close(5)                    = 0
[pid 16349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16352 attached
) = 16352
[pid 16349] tkill(16352, SIGSTOP)       = 0
[pid 16352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16349, si_uid=65534} ---
[pid 16349] exit_group(0 <unfinished ...>
[pid 16352] --- stopped by SIGSTOP ---
[pid 16349] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16349] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16353 attached
, child_tidptr=0x5555574e8650) = 16353
[pid 16353] set_robust_list(0x5555574e8660, 24) = 0
[pid 16353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16353] setpgid(0, 0)               = 0
[pid 16353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16353] write(3, "1000", 4)         = 4
[pid 16353] close(3)                    = 0
[pid 16353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.170945][T16349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16353] close(5)                    = 0
[pid 16353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16356 attached
) = 16356
[pid 16353] tkill(16356, SIGSTOP)       = 0
[pid 16353] exit_group(0)               = ?
[pid 16356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16353, si_uid=65534} ---
[pid 16356] --- stopped by SIGSTOP ---
[pid 16353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16357 attached
, child_tidptr=0x5555574e8650) = 16357
[pid 16357] set_robust_list(0x5555574e8660, 24) = 0
[pid 16357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16357] setpgid(0, 0)               = 0
[pid 16357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16357] write(3, "1000", 4)         = 4
[pid 16357] close(3)                    = 0
[pid 16357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.228394][T16353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16357] close(5)                    = 0
[pid 16357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16360 attached
) = 16360
[pid 16357] tkill(16360, SIGSTOP)       = 0
[pid 16360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16357, si_uid=65534} ---
[pid 16357] exit_group(0 <unfinished ...>
[pid 16360] --- stopped by SIGSTOP ---
[pid 16357] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16361 attached
, child_tidptr=0x5555574e8650) = 16361
[pid 16361] set_robust_list(0x5555574e8660, 24) = 0
[pid 16361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16361] setpgid(0, 0)               = 0
[pid 16361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16361] write(3, "1000", 4)         = 4
[pid 16361] close(3)                    = 0
[pid 16361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.281351][T16357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16361] close(5)                    = 0
[pid 16361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16364 attached
) = 16364
[pid 16361] tkill(16364, SIGSTOP)       = 0
[pid 16364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16361, si_uid=65534} ---
[pid 16361] exit_group(0 <unfinished ...>
[pid 16364] --- stopped by SIGSTOP ---
[pid 16361] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16361] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16365 attached
, child_tidptr=0x5555574e8650) = 16365
[pid 16365] set_robust_list(0x5555574e8660, 24) = 0
[pid 16365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16365] setpgid(0, 0)               = 0
[pid 16365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16365] write(3, "1000", 4)         = 4
[pid 16365] close(3)                    = 0
[pid 16365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.337017][T16361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16365] close(5)                    = 0
[pid 16365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16368 attached
) = 16368
[pid 16365] tkill(16368, SIGSTOP)       = 0
[pid 16368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16365, si_uid=65534} ---
[pid 16365] exit_group(0 <unfinished ...>
[pid 16368] --- stopped by SIGSTOP ---
[pid 16365] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16365, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16369 attached
, child_tidptr=0x5555574e8650) = 16369
[pid 16369] set_robust_list(0x5555574e8660, 24) = 0
[pid 16369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16369] setpgid(0, 0)               = 0
[pid 16369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16369] write(3, "1000", 4)         = 4
[pid 16369] close(3)                    = 0
[pid 16369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.393466][T16365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16369] close(5)                    = 0
[pid 16369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16372 attached
) = 16372
[pid 16369] tkill(16372, SIGSTOP)       = 0
[pid 16372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16369, si_uid=65534} ---
[pid 16369] exit_group(0 <unfinished ...>
[pid 16372] --- stopped by SIGSTOP ---
[pid 16369] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16369] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16373 attached
, child_tidptr=0x5555574e8650) = 16373
[pid 16373] set_robust_list(0x5555574e8660, 24) = 0
[pid 16373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16373] setpgid(0, 0)               = 0
[pid 16373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16373] write(3, "1000", 4)         = 4
[pid 16373] close(3)                    = 0
[  214.450208][T16369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16373] close(5)                    = 0
[pid 16373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16376 attached
) = 16376
[pid 16373] tkill(16376, SIGSTOP)       = 0
[pid 16376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16373, si_uid=65534} ---
[pid 16373] exit_group(0 <unfinished ...>
[pid 16376] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16373] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16377 attached
, child_tidptr=0x5555574e8650) = 16377
[pid 16377] set_robust_list(0x5555574e8660, 24) = 0
[pid 16377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16377] setpgid(0, 0)               = 0
[pid 16377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16377] write(3, "1000", 4)         = 4
[pid 16377] close(3)                    = 0
[pid 16377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  214.519223][T16373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16377] close(5)                    = 0
[pid 16377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16380 attached
) = 16380
[pid 16377] tkill(16380, SIGSTOP)       = 0
[pid 16380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16377, si_uid=65534} ---
[pid 16377] exit_group(0 <unfinished ...>
[pid 16380] --- stopped by SIGSTOP ---
[pid 16377] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16377, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16381 attached
, child_tidptr=0x5555574e8650) = 16381
[pid 16381] set_robust_list(0x5555574e8660, 24) = 0
[pid 16381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16381] setpgid(0, 0)               = 0
[pid 16381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16381] write(3, "1000", 4)         = 4
[pid 16381] close(3)                    = 0
[  214.585643][T16377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16381] close(5)                    = 0
[pid 16381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16384 attached
) = 16384
[pid 16381] tkill(16384, SIGSTOP)       = 0
[pid 16384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16381, si_uid=65534} ---
[pid 16381] exit_group(0 <unfinished ...>
[pid 16384] --- stopped by SIGSTOP ---
[pid 16381] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16385 attached
, child_tidptr=0x5555574e8650) = 16385
[pid 16385] set_robust_list(0x5555574e8660, 24) = 0
[pid 16385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16385] setpgid(0, 0)               = 0
[pid 16385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16385] write(3, "1000", 4)         = 4
[pid 16385] close(3)                    = 0
[  214.653709][T16381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16385] close(5)                    = 0
[pid 16385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16388 attached
) = 16388
[pid 16385] tkill(16388, SIGSTOP)       = 0
[pid 16388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16385, si_uid=65534} ---
[pid 16385] exit_group(0 <unfinished ...>
[pid 16388] --- stopped by SIGSTOP ---
[pid 16385] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16389 attached
, child_tidptr=0x5555574e8650) = 16389
[pid 16389] set_robust_list(0x5555574e8660, 24) = 0
[pid 16389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16389] setpgid(0, 0)               = 0
[pid 16389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16389] write(3, "1000", 4)         = 4
[pid 16389] close(3)                    = 0
[pid 16389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.719517][T16385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16389] close(5)                    = 0
[pid 16389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16392 attached
) = 16392
[pid 16389] tkill(16392, SIGSTOP)       = 0
[pid 16392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16389, si_uid=65534} ---
[pid 16389] exit_group(0 <unfinished ...>
[pid 16392] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16389] <... exit_group resumed>)   = ?
[pid 16389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16389, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16393 attached
, child_tidptr=0x5555574e8650) = 16393
[pid 16393] set_robust_list(0x5555574e8660, 24) = 0
[pid 16393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16393] setpgid(0, 0)               = 0
[pid 16393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16393] write(3, "1000", 4)         = 4
[pid 16393] close(3)                    = 0
[pid 16393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.775638][T16389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16393] close(5)                    = 0
[pid 16393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16396 attached
) = 16396
[pid 16393] tkill(16396, SIGSTOP)       = 0
[pid 16396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16393, si_uid=65534} ---
[pid 16393] exit_group(0 <unfinished ...>
[pid 16396] --- stopped by SIGSTOP ---
[pid 16393] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16393] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16393, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16397 attached
, child_tidptr=0x5555574e8650) = 16397
[pid 16397] set_robust_list(0x5555574e8660, 24) = 0
[pid 16397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16397] setpgid(0, 0)               = 0
[pid 16397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16397] write(3, "1000", 4)         = 4
[pid 16397] close(3)                    = 0
[pid 16397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.830519][T16393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16397] close(5)                    = 0
[pid 16397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16400 attached
) = 16400
[pid 16397] tkill(16400, SIGSTOP)       = 0
[pid 16400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16397, si_uid=65534} ---
[pid 16397] exit_group(0 <unfinished ...>
[pid 16400] --- stopped by SIGSTOP ---
[pid 16397] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16401 attached
, child_tidptr=0x5555574e8650) = 16401
[pid 16401] set_robust_list(0x5555574e8660, 24) = 0
[pid 16401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16401] setpgid(0, 0)               = 0
[pid 16401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16401] write(3, "1000", 4)         = 4
[pid 16401] close(3)                    = 0
[pid 16401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.886896][T16397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16401] close(5)                    = 0
[pid 16401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16404 attached
) = 16404
[pid 16401] tkill(16404, SIGSTOP)       = 0
[pid 16404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16401, si_uid=65534} ---
[pid 16401] exit_group(0 <unfinished ...>
[pid 16404] --- stopped by SIGSTOP ---
[pid 16401] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16401] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16405 attached
, child_tidptr=0x5555574e8650) = 16405
[pid 16405] set_robust_list(0x5555574e8660, 24) = 0
[pid 16405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16405] setpgid(0, 0)               = 0
[pid 16405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16405] write(3, "1000", 4)         = 4
[pid 16405] close(3)                    = 0
[pid 16405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  214.951118][T16401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16405] close(5)                    = 0
[pid 16405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16408 attached
) = 16408
[pid 16405] tkill(16408, SIGSTOP)       = 0
[pid 16405] exit_group(0 <unfinished ...>
[pid 16408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16405, si_uid=65534} ---
[pid 16408] --- stopped by SIGSTOP ---
[pid 16405] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16409 attached
, child_tidptr=0x5555574e8650) = 16409
[pid 16409] set_robust_list(0x5555574e8660, 24) = 0
[pid 16409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16409] setpgid(0, 0)               = 0
[pid 16409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16409] write(3, "1000", 4)         = 4
[pid 16409] close(3)                    = 0
[pid 16409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.007267][T16405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16409] close(5)                    = 0
[pid 16409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16412 attached
) = 16412
[pid 16409] tkill(16412, SIGSTOP)       = 0
[pid 16412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16409, si_uid=65534} ---
[pid 16409] exit_group(0 <unfinished ...>
[pid 16412] --- stopped by SIGSTOP ---
[pid 16409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16409, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16413 attached
, child_tidptr=0x5555574e8650) = 16413
[pid 16413] set_robust_list(0x5555574e8660, 24) = 0
[pid 16413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16413] setpgid(0, 0)               = 0
[pid 16413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16413] write(3, "1000", 4)         = 4
[pid 16413] close(3)                    = 0
[pid 16413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.064721][T16409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16413] close(5)                    = 0
[pid 16413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16416 attached
) = 16416
[pid 16413] tkill(16416, SIGSTOP)       = 0
[pid 16416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16413, si_uid=65534} ---
[pid 16413] exit_group(0 <unfinished ...>
[pid 16416] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16413] <... exit_group resumed>)   = ?
[pid 16413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16417 attached
, child_tidptr=0x5555574e8650) = 16417
[pid 16417] set_robust_list(0x5555574e8660, 24) = 0
[pid 16417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16417] setpgid(0, 0)               = 0
[pid 16417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16417] write(3, "1000", 4)         = 4
[pid 16417] close(3)                    = 0
[pid 16417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.127461][T16413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16417] close(5)                    = 0
[pid 16417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16420 attached
) = 16420
[pid 16417] tkill(16420, SIGSTOP)       = 0
[pid 16420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16417, si_uid=65534} ---
[pid 16417] exit_group(0 <unfinished ...>
[pid 16420] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16417] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16417] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16417, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16421 attached
, child_tidptr=0x5555574e8650) = 16421
[pid 16421] set_robust_list(0x5555574e8660, 24) = 0
[pid 16421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16421] setpgid(0, 0)               = 0
[pid 16421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16421] write(3, "1000", 4)         = 4
[pid 16421] close(3)                    = 0
[pid 16421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.184337][T16417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16421] close(5)                    = 0
[pid 16421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16424 attached
) = 16424
[pid 16421] tkill(16424, SIGSTOP)       = 0
[pid 16424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16421, si_uid=65534} ---
[pid 16421] exit_group(0 <unfinished ...>
[pid 16424] --- stopped by SIGSTOP ---
[pid 16421] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16421] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16425 attached
, child_tidptr=0x5555574e8650) = 16425
[pid 16425] set_robust_list(0x5555574e8660, 24) = 0
[pid 16425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16425] setpgid(0, 0)               = 0
[pid 16425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16425] write(3, "1000", 4)         = 4
[pid 16425] close(3)                    = 0
[pid 16425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.240412][T16421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16425] close(5)                    = 0
[pid 16425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16428 attached
) = 16428
[pid 16425] tkill(16428, SIGSTOP)       = 0
[pid 16428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16425, si_uid=65534} ---
[pid 16425] exit_group(0 <unfinished ...>
[pid 16428] --- stopped by SIGSTOP ---
[pid 16425] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16425, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16429 attached
, child_tidptr=0x5555574e8650) = 16429
[pid 16429] set_robust_list(0x5555574e8660, 24) = 0
[pid 16429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16429] setpgid(0, 0)               = 0
[pid 16429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16429] write(3, "1000", 4)         = 4
[pid 16429] close(3)                    = 0
[  215.294462][T16425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16429] close(5)                    = 0
[pid 16429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16432 attached
) = 16432
[pid 16429] tkill(16432, SIGSTOP)       = 0
[pid 16432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16429, si_uid=65534} ---
[pid 16432] --- stopped by SIGSTOP ---
[pid 16429] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16429] <... exit_group resumed>)   = ?
[pid 16429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16429, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16433 attached
, child_tidptr=0x5555574e8650) = 16433
[pid 16433] set_robust_list(0x5555574e8660, 24) = 0
[pid 16433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16433] setpgid(0, 0)               = 0
[pid 16433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16433] write(3, "1000", 4)         = 4
[pid 16433] close(3)                    = 0
[pid 16433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.362796][T16429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16433] close(5)                    = 0
[pid 16433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16436 attached
) = 16436
[pid 16433] tkill(16436, SIGSTOP)       = 0
[pid 16436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16433, si_uid=65534} ---
[pid 16433] exit_group(0 <unfinished ...>
[pid 16436] --- stopped by SIGSTOP ---
[pid 16433] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16433] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16437 attached
, child_tidptr=0x5555574e8650) = 16437
[pid 16437] set_robust_list(0x5555574e8660, 24) = 0
[pid 16437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16437] setpgid(0, 0)               = 0
[pid 16437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16437] write(3, "1000", 4)         = 4
[pid 16437] close(3)                    = 0
[pid 16437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.420152][T16433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16437] close(5)                    = 0
[pid 16437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16440 attached
) = 16440
[pid 16437] tkill(16440, SIGSTOP)       = 0
[pid 16440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16437, si_uid=65534} ---
[pid 16437] exit_group(0 <unfinished ...>
[pid 16440] --- stopped by SIGSTOP ---
[pid 16437] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16437] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16437, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16441 attached
, child_tidptr=0x5555574e8650) = 16441
[pid 16441] set_robust_list(0x5555574e8660, 24) = 0
[pid 16441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16441] setpgid(0, 0)               = 0
[pid 16441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16441] write(3, "1000", 4)         = 4
[pid 16441] close(3)                    = 0
[pid 16441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.484110][T16437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16441] close(5)                    = 0
[pid 16441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16444 attached
) = 16444
[pid 16441] tkill(16444, SIGSTOP)       = 0
[pid 16444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16441, si_uid=65534} ---
[pid 16441] exit_group(0 <unfinished ...>
[pid 16444] --- stopped by SIGSTOP ---
[pid 16441] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16445 attached
, child_tidptr=0x5555574e8650) = 16445
[pid 16445] set_robust_list(0x5555574e8660, 24) = 0
[pid 16445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16445] setpgid(0, 0)               = 0
[pid 16445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16445] write(3, "1000", 4)         = 4
[pid 16445] close(3)                    = 0
[pid 16445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.540252][T16441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16445] close(5)                    = 0
[pid 16445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16448 attached
) = 16448
[pid 16445] tkill(16448, SIGSTOP)       = 0
[pid 16448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16445, si_uid=65534} ---
[pid 16445] exit_group(0 <unfinished ...>
[pid 16448] --- stopped by SIGSTOP ---
[pid 16445] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16449 attached
, child_tidptr=0x5555574e8650) = 16449
[pid 16449] set_robust_list(0x5555574e8660, 24) = 0
[pid 16449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16449] setpgid(0, 0)               = 0
[pid 16449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16449] write(3, "1000", 4)         = 4
[pid 16449] close(3)                    = 0
[  215.595657][T16445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16449] close(5)                    = 0
[pid 16449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16452 attached
) = 16452
[pid 16449] tkill(16452, SIGSTOP)       = 0
[pid 16452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16449, si_uid=65534} ---
[pid 16449] exit_group(0 <unfinished ...>
[pid 16452] --- stopped by SIGSTOP ---
[pid 16449] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16449] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16453 attached
, child_tidptr=0x5555574e8650) = 16453
[pid 16453] set_robust_list(0x5555574e8660, 24) = 0
[pid 16453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16453] setpgid(0, 0)               = 0
[pid 16453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16453] write(3, "1000", 4)         = 4
[pid 16453] close(3)                    = 0
[pid 16453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.662841][T16449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16453] close(5)                    = 0
[pid 16453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16456 attached
) = 16456
[pid 16453] tkill(16456, SIGSTOP)       = 0
[pid 16456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16453, si_uid=65534} ---
[pid 16453] exit_group(0 <unfinished ...>
[pid 16456] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16453] <... exit_group resumed>)   = ?
[pid 16453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16453, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16457 attached
, child_tidptr=0x5555574e8650) = 16457
[pid 16457] set_robust_list(0x5555574e8660, 24) = 0
[pid 16457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16457] setpgid(0, 0)               = 0
[pid 16457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16457] write(3, "1000", 4)         = 4
[pid 16457] close(3)                    = 0
[pid 16457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  215.727782][T16453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16457] close(5)                    = 0
[pid 16457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16460 attached
) = 16460
[pid 16457] tkill(16460, SIGSTOP)       = 0
[pid 16460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16457, si_uid=65534} ---
[pid 16457] exit_group(0 <unfinished ...>
[pid 16460] --- stopped by SIGSTOP ---
[pid 16457] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16457, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16461 attached
, child_tidptr=0x5555574e8650) = 16461
[pid 16461] set_robust_list(0x5555574e8660, 24) = 0
[pid 16461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16461] setpgid(0, 0)               = 0
[pid 16461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16461] write(3, "1000", 4)         = 4
[pid 16461] close(3)                    = 0
[pid 16461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.793453][T16457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16461] close(5)                    = 0
[pid 16461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16464 attached
) = 16464
[pid 16461] tkill(16464, SIGSTOP)       = 0
[pid 16464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16461, si_uid=65534} ---
[pid 16461] exit_group(0 <unfinished ...>
[pid 16464] --- stopped by SIGSTOP ---
[pid 16461] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16461] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16465 attached
, child_tidptr=0x5555574e8650) = 16465
[pid 16465] set_robust_list(0x5555574e8660, 24) = 0
[pid 16465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16465] setpgid(0, 0)               = 0
[pid 16465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16465] write(3, "1000", 4)         = 4
[pid 16465] close(3)                    = 0
[pid 16465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.850734][T16461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16465] close(5)                    = 0
[pid 16465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16468 attached
) = 16468
[pid 16465] tkill(16468, SIGSTOP)       = 0
[pid 16468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16465, si_uid=65534} ---
[pid 16465] exit_group(0 <unfinished ...>
[pid 16468] --- stopped by SIGSTOP ---
[pid 16465] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16469 attached
, child_tidptr=0x5555574e8650) = 16469
[pid 16469] set_robust_list(0x5555574e8660, 24) = 0
[pid 16469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16469] setpgid(0, 0)               = 0
[pid 16469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16469] write(3, "1000", 4)         = 4
[pid 16469] close(3)                    = 0
[pid 16469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.906969][T16465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16469] close(5)                    = 0
[pid 16469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16472 attached
) = 16472
[pid 16469] tkill(16472, SIGSTOP)       = 0
[pid 16469] exit_group(0 <unfinished ...>
[pid 16472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16469, si_uid=65534} ---
[pid 16469] <... exit_group resumed>)   = ?
[pid 16472] --- stopped by SIGSTOP ---
[pid 16469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16473 attached
, child_tidptr=0x5555574e8650) = 16473
[pid 16473] set_robust_list(0x5555574e8660, 24) = 0
[pid 16473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16473] setpgid(0, 0)               = 0
[pid 16473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16473] write(3, "1000", 4)         = 4
[pid 16473] close(3)                    = 0
[pid 16473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  215.964650][T16469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16473] close(5)                    = 0
[pid 16473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16476 attached
) = 16476
[pid 16473] tkill(16476, SIGSTOP)       = 0
[pid 16476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16473, si_uid=65534} ---
[pid 16473] exit_group(0 <unfinished ...>
[pid 16476] --- stopped by SIGSTOP ---
[pid 16473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16473, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16477 attached
, child_tidptr=0x5555574e8650) = 16477
[pid 16477] set_robust_list(0x5555574e8660, 24) = 0
[pid 16477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16477] setpgid(0, 0)               = 0
[pid 16477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16477] write(3, "1000", 4)         = 4
[pid 16477] close(3)                    = 0
[pid 16477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.028463][T16473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16477] close(5)                    = 0
[pid 16477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16480 attached
) = 16480
[pid 16477] tkill(16480, SIGSTOP)       = 0
[pid 16480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16477, si_uid=65534} ---
[pid 16477] exit_group(0 <unfinished ...>
[pid 16480] --- stopped by SIGSTOP ---
[pid 16477] <... exit_group resumed>)   = ?
[pid 16477] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16481 attached
, child_tidptr=0x5555574e8650) = 16481
[pid 16481] set_robust_list(0x5555574e8660, 24) = 0
[pid 16481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16481] setpgid(0, 0)               = 0
[pid 16481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16481] write(3, "1000", 4)         = 4
[pid 16481] close(3)                    = 0
[pid 16481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.091899][T16477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16481] close(5)                    = 0
[pid 16481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16484 attached
) = 16484
[pid 16481] tkill(16484, SIGSTOP)       = 0
[pid 16484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16481, si_uid=65534} ---
[pid 16481] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16484] --- stopped by SIGSTOP ---
[pid 16481] <... exit_group resumed>)   = ?
[pid 16481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16485 attached
, child_tidptr=0x5555574e8650) = 16485
[pid 16485] set_robust_list(0x5555574e8660, 24) = 0
[pid 16485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16485] setpgid(0, 0)               = 0
[pid 16485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16485] write(3, "1000", 4)         = 4
[pid 16485] close(3)                    = 0
[pid 16485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.148864][T16481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16485] close(5)                    = 0
[pid 16485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16488 attached
) = 16488
[pid 16485] tkill(16488, SIGSTOP)       = 0
[pid 16488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16485, si_uid=65534} ---
[pid 16485] exit_group(0 <unfinished ...>
[pid 16488] --- stopped by SIGSTOP ---
[pid 16485] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16485] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16489 attached
, child_tidptr=0x5555574e8650) = 16489
[pid 16489] set_robust_list(0x5555574e8660, 24) = 0
[pid 16489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16489] setpgid(0, 0)               = 0
[pid 16489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16489] write(3, "1000", 4)         = 4
[pid 16489] close(3)                    = 0
[pid 16489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.200491][T16485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16489] close(5)                    = 0
[pid 16489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16492 attached
) = 16492
[pid 16489] tkill(16492, SIGSTOP)       = 0
[pid 16492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16489, si_uid=65534} ---
[pid 16489] exit_group(0 <unfinished ...>
[pid 16492] --- stopped by SIGSTOP ---
[pid 16489] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16493 attached
, child_tidptr=0x5555574e8650) = 16493
[pid 16493] set_robust_list(0x5555574e8660, 24) = 0
[pid 16493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16493] setpgid(0, 0)               = 0
[pid 16493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16493] write(3, "1000", 4)         = 4
[pid 16493] close(3)                    = 0
[pid 16493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.252099][T16489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16493] close(5)                    = 0
[pid 16493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16496 attached
) = 16496
[pid 16493] tkill(16496, SIGSTOP <unfinished ...>
[pid 16496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16493, si_uid=65534} ---
[pid 16493] <... tkill resumed>)        = 0
[pid 16496] --- stopped by SIGSTOP ---
[pid 16493] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16493] <... exit_group resumed>)   = ?
[pid 16493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16497 attached
, child_tidptr=0x5555574e8650) = 16497
[pid 16497] set_robust_list(0x5555574e8660, 24) = 0
[pid 16497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16497] setpgid(0, 0)               = 0
[pid 16497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16497] write(3, "1000", 4)         = 4
[pid 16497] close(3)                    = 0
[pid 16497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.306643][T16493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16497] close(5)                    = 0
[pid 16497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16500 attached
) = 16500
[pid 16497] tkill(16500, SIGSTOP)       = 0
[pid 16500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16497, si_uid=65534} ---
[pid 16497] exit_group(0 <unfinished ...>
[pid 16500] --- stopped by SIGSTOP ---
[pid 16497] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16497] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16501 attached
, child_tidptr=0x5555574e8650) = 16501
[pid 16501] set_robust_list(0x5555574e8660, 24) = 0
[pid 16501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16501] setpgid(0, 0)               = 0
[pid 16501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16501] write(3, "1000", 4)         = 4
[pid 16501] close(3)                    = 0
[pid 16501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.367494][T16497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16501] close(5)                    = 0
[pid 16501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16504 attached
) = 16504
[pid 16501] tkill(16504, SIGSTOP)       = 0
[pid 16501] exit_group(0 <unfinished ...>
[pid 16504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16501, si_uid=65534} ---
[pid 16501] <... exit_group resumed>)   = ?
[pid 16504] --- stopped by SIGSTOP ---
[pid 16501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16505 attached
, child_tidptr=0x5555574e8650) = 16505
[pid 16505] set_robust_list(0x5555574e8660, 24) = 0
[pid 16505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16505] setpgid(0, 0)               = 0
[pid 16505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16505] write(3, "1000", 4)         = 4
[pid 16505] close(3)                    = 0
[pid 16505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.426406][T16501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16505] close(5)                    = 0
[pid 16505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16508 attached
) = 16508
[pid 16505] tkill(16508, SIGSTOP)       = 0
[pid 16508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16505, si_uid=65534} ---
[pid 16505] exit_group(0 <unfinished ...>
[pid 16508] --- stopped by SIGSTOP ---
[pid 16505] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16505, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16509 attached
, child_tidptr=0x5555574e8650) = 16509
[pid 16509] set_robust_list(0x5555574e8660, 24) = 0
[pid 16509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16509] setpgid(0, 0)               = 0
[pid 16509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16509] write(3, "1000", 4)         = 4
[pid 16509] close(3)                    = 0
[pid 16509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.483987][T16505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16509] close(5)                    = 0
[pid 16509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16512 attached
) = 16512
[pid 16509] tkill(16512, SIGSTOP)       = 0
[pid 16512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16509, si_uid=65534} ---
[pid 16509] exit_group(0 <unfinished ...>
[pid 16512] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16509] <... exit_group resumed>)   = ?
[pid 16509] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16513 attached
, child_tidptr=0x5555574e8650) = 16513
[pid 16513] set_robust_list(0x5555574e8660, 24) = 0
[pid 16513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16513] setpgid(0, 0)               = 0
[pid 16513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16513] write(3, "1000", 4)         = 4
[pid 16513] close(3)                    = 0
[pid 16513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.543093][T16509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16513] close(5)                    = 0
[pid 16513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16516 attached
) = 16516
[pid 16513] tkill(16516, SIGSTOP)       = 0
[pid 16516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16513, si_uid=65534} ---
[pid 16513] exit_group(0 <unfinished ...>
[pid 16516] --- stopped by SIGSTOP ---
[pid 16513] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16517 attached
, child_tidptr=0x5555574e8650) = 16517
[pid 16517] set_robust_list(0x5555574e8660, 24) = 0
[pid 16517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16517] setpgid(0, 0)               = 0
[pid 16517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16517] write(3, "1000", 4)         = 4
[pid 16517] close(3)                    = 0
[pid 16517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.600142][T16513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16517] close(5)                    = 0
[pid 16517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16520 attached
) = 16520
[pid 16517] tkill(16520, SIGSTOP)       = 0
[pid 16520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16517, si_uid=65534} ---
[pid 16517] exit_group(0 <unfinished ...>
[pid 16520] --- stopped by SIGSTOP ---
[pid 16517] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16521 attached
, child_tidptr=0x5555574e8650) = 16521
[pid 16521] set_robust_list(0x5555574e8660, 24) = 0
[pid 16521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16521] setpgid(0, 0)               = 0
[pid 16521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16521] write(3, "1000", 4)         = 4
[pid 16521] close(3)                    = 0
[pid 16521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.658985][T16517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16521] close(5)                    = 0
[pid 16521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16524 attached
) = 16524
[pid 16521] tkill(16524, SIGSTOP)       = 0
[pid 16524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16521, si_uid=65534} ---
[pid 16521] exit_group(0)               = ?
[pid 16524] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16521, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16525 attached
, child_tidptr=0x5555574e8650) = 16525
[pid 16525] set_robust_list(0x5555574e8660, 24) = 0
[pid 16525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16525] setpgid(0, 0)               = 0
[pid 16525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16525] write(3, "1000", 4)         = 4
[pid 16525] close(3)                    = 0
[pid 16525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.715479][T16521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16525] close(5)                    = 0
[pid 16525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16528 attached
) = 16528
[pid 16525] tkill(16528, SIGSTOP)       = 0
[pid 16528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16525, si_uid=65534} ---
[pid 16525] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16528] --- stopped by SIGSTOP ---
[pid 16525] <... exit_group resumed>)   = ?
[pid 16525] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16529 attached
, child_tidptr=0x5555574e8650) = 16529
[pid 16529] set_robust_list(0x5555574e8660, 24) = 0
[pid 16529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16529] setpgid(0, 0)               = 0
[pid 16529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16529] write(3, "1000", 4)         = 4
[pid 16529] close(3)                    = 0
[pid 16529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.768850][T16525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16529] close(5)                    = 0
[pid 16529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16532 attached
) = 16532
[pid 16529] tkill(16532, SIGSTOP)       = 0
[pid 16532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16529, si_uid=65534} ---
[pid 16529] exit_group(0 <unfinished ...>
[pid 16532] --- stopped by SIGSTOP ---
[pid 16529] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16533 attached
, child_tidptr=0x5555574e8650) = 16533
[pid 16533] set_robust_list(0x5555574e8660, 24) = 0
[pid 16533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16533] setpgid(0, 0)               = 0
[pid 16533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16533] write(3, "1000", 4)         = 4
[pid 16533] close(3)                    = 0
[pid 16533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.826941][T16529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16533] close(5)                    = 0
[pid 16533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16536 attached
) = 16536
[pid 16533] tkill(16536, SIGSTOP)       = 0
[pid 16536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16533, si_uid=65534} ---
[pid 16533] exit_group(0 <unfinished ...>
[pid 16536] --- stopped by SIGSTOP ---
[pid 16533] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16537 attached
, child_tidptr=0x5555574e8650) = 16537
[pid 16537] set_robust_list(0x5555574e8660, 24) = 0
[pid 16537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16537] setpgid(0, 0)               = 0
[pid 16537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16537] write(3, "1000", 4)         = 4
[pid 16537] close(3)                    = 0
[pid 16537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.883322][T16533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16537] close(5)                    = 0
[pid 16537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16540 attached
) = 16540
[pid 16537] tkill(16540, SIGSTOP)       = 0
[pid 16540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16537, si_uid=65534} ---
[pid 16537] exit_group(0 <unfinished ...>
[pid 16540] --- stopped by SIGSTOP ---
[pid 16537] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16541 attached
, child_tidptr=0x5555574e8650) = 16541
[pid 16541] set_robust_list(0x5555574e8660, 24) = 0
[pid 16541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16541] setpgid(0, 0)               = 0
[pid 16541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16541] write(3, "1000", 4)         = 4
[pid 16541] close(3)                    = 0
[pid 16541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  216.938902][T16537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16541] close(5)                    = 0
[pid 16541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16544 attached
) = 16544
[pid 16541] tkill(16544, SIGSTOP)       = 0
[pid 16544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16541, si_uid=65534} ---
[pid 16541] exit_group(0 <unfinished ...>
[pid 16544] --- stopped by SIGSTOP ---
[pid 16541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16545 attached
, child_tidptr=0x5555574e8650) = 16545
[pid 16545] set_robust_list(0x5555574e8660, 24) = 0
[pid 16545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16545] setpgid(0, 0)               = 0
[pid 16545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16545] write(3, "1000", 4)         = 4
[pid 16545] close(3)                    = 0
[  216.996536][T16541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16545] close(5)                    = 0
[pid 16545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16548 attached
) = 16548
[pid 16545] tkill(16548, SIGSTOP)       = 0
[pid 16548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16545, si_uid=65534} ---
[pid 16545] exit_group(0 <unfinished ...>
[pid 16548] --- stopped by SIGSTOP ---
[pid 16545] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16545, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16549 attached
, child_tidptr=0x5555574e8650) = 16549
[pid 16549] set_robust_list(0x5555574e8660, 24) = 0
[pid 16549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16549] setpgid(0, 0)               = 0
[pid 16549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16549] write(3, "1000", 4)         = 4
[pid 16549] close(3)                    = 0
[pid 16549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  217.064532][T16545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16549] close(5)                    = 0
[pid 16549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16552 attached
) = 16552
[pid 16549] tkill(16552, SIGSTOP)       = 0
[pid 16552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16549, si_uid=65534} ---
[pid 16549] exit_group(0 <unfinished ...>
[pid 16552] --- stopped by SIGSTOP ---
[pid 16549] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16549, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16553 attached
, child_tidptr=0x5555574e8650) = 16553
[pid 16553] set_robust_list(0x5555574e8660, 24) = 0
[pid 16553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16553] setpgid(0, 0)               = 0
[pid 16553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16553] write(3, "1000", 4)         = 4
[pid 16553] close(3)                    = 0
[pid 16553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.130220][T16549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16553] close(5)                    = 0
[pid 16553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16556 attached
) = 16556
[pid 16553] tkill(16556, SIGSTOP)       = 0
[pid 16556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16553, si_uid=65534} ---
[pid 16553] exit_group(0 <unfinished ...>
[pid 16556] --- stopped by SIGSTOP ---
[pid 16553] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16553] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16553, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16557 attached
, child_tidptr=0x5555574e8650) = 16557
[pid 16557] set_robust_list(0x5555574e8660, 24) = 0
[pid 16557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16557] setpgid(0, 0)               = 0
[pid 16557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16557] write(3, "1000", 4)         = 4
[pid 16557] close(3)                    = 0
[pid 16557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  217.185460][T16553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16557] close(5)                    = 0
[pid 16557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16560 attached
) = 16560
[pid 16557] tkill(16560, SIGSTOP)       = 0
[pid 16560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16557, si_uid=65534} ---
[pid 16557] exit_group(0 <unfinished ...>
[pid 16560] --- stopped by SIGSTOP ---
[pid 16557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16557] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16557, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16561 attached
, child_tidptr=0x5555574e8650) = 16561
[pid 16561] set_robust_list(0x5555574e8660, 24) = 0
[pid 16561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16561] setpgid(0, 0)               = 0
[pid 16561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16561] write(3, "1000", 4)         = 4
[pid 16561] close(3)                    = 0
[pid 16561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.251542][T16557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16561] close(5)                    = 0
[pid 16561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16564 attached
) = 16564
[pid 16561] tkill(16564, SIGSTOP)       = 0
[pid 16564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16561, si_uid=65534} ---
[pid 16561] exit_group(0 <unfinished ...>
[pid 16564] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16561] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16561, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16565 attached
, child_tidptr=0x5555574e8650) = 16565
[pid 16565] set_robust_list(0x5555574e8660, 24) = 0
[pid 16565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16565] setpgid(0, 0)               = 0
[pid 16565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16565] write(3, "1000", 4)         = 4
[pid 16565] close(3)                    = 0
[pid 16565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.303913][T16561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16565] close(5)                    = 0
[pid 16565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16568 attached
) = 16568
[pid 16565] tkill(16568, SIGSTOP)       = 0
[pid 16568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16565, si_uid=65534} ---
[pid 16565] exit_group(0 <unfinished ...>
[pid 16568] --- stopped by SIGSTOP ---
[pid 16565] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16569 attached
, child_tidptr=0x5555574e8650) = 16569
[pid 16569] set_robust_list(0x5555574e8660, 24) = 0
[pid 16569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16569] setpgid(0, 0)               = 0
[pid 16569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16569] write(3, "1000", 4)         = 4
[pid 16569] close(3)                    = 0
[pid 16569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  217.358227][T16565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16569] close(5)                    = 0
[pid 16569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16572 attached
) = 16572
[pid 16569] tkill(16572, SIGSTOP)       = 0
[pid 16572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16569, si_uid=65534} ---
[pid 16569] exit_group(0 <unfinished ...>
[pid 16572] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16569] <... exit_group resumed>)   = ?
[pid 16569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16569, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16573 attached
, child_tidptr=0x5555574e8650) = 16573
[pid 16573] set_robust_list(0x5555574e8660, 24) = 0
[pid 16573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16573] setpgid(0, 0)               = 0
[pid 16573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16573] write(3, "1000", 4)         = 4
[pid 16573] close(3)                    = 0
[pid 16573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.426471][T16569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16573] close(5)                    = 0
[pid 16573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16576 attached
) = 16576
[pid 16573] tkill(16576, SIGSTOP)       = 0
[pid 16576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16573, si_uid=65534} ---
[pid 16573] exit_group(0 <unfinished ...>
[pid 16576] --- stopped by SIGSTOP ---
[pid 16573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16573, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16577 attached
, child_tidptr=0x5555574e8650) = 16577
[pid 16577] set_robust_list(0x5555574e8660, 24) = 0
[pid 16577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16577] setpgid(0, 0)               = 0
[pid 16577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16577] write(3, "1000", 4)         = 4
[pid 16577] close(3)                    = 0
[pid 16577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  217.480995][T16573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16577] close(5)                    = 0
[pid 16577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16580 attached
) = 16580
[pid 16577] tkill(16580, SIGSTOP)       = 0
[pid 16580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16577, si_uid=65534} ---
[pid 16577] exit_group(0 <unfinished ...>
[pid 16580] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16577] <... exit_group resumed>)   = ?
[pid 16577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16581 attached
, child_tidptr=0x5555574e8650) = 16581
[pid 16581] set_robust_list(0x5555574e8660, 24) = 0
[pid 16581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16581] setpgid(0, 0)               = 0
[pid 16581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16581] write(3, "1000", 4)         = 4
[pid 16581] close(3)                    = 0
[pid 16581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.548879][T16577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16581] close(5)                    = 0
[pid 16581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16584 attached
) = 16584
[pid 16581] tkill(16584, SIGSTOP)       = 0
[pid 16584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16581, si_uid=65534} ---
[pid 16581] exit_group(0 <unfinished ...>
[pid 16584] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16581] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16581] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16585 attached
, child_tidptr=0x5555574e8650) = 16585
[pid 16585] set_robust_list(0x5555574e8660, 24) = 0
[pid 16585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16585] setpgid(0, 0)               = 0
[pid 16585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16585] write(3, "1000", 4)         = 4
[pid 16585] close(3)                    = 0
[  217.610801][T16581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16585] close(5)                    = 0
[pid 16585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16588 attached
) = 16588
[pid 16585] tkill(16588, SIGSTOP)       = 0
[pid 16588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16585, si_uid=65534} ---
[pid 16585] exit_group(0 <unfinished ...>
[pid 16588] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16585] <... exit_group resumed>)   = ?
[pid 16585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16589 attached
, child_tidptr=0x5555574e8650) = 16589
[pid 16589] set_robust_list(0x5555574e8660, 24) = 0
[pid 16589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16589] setpgid(0, 0)               = 0
[pid 16589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16589] write(3, "1000", 4)         = 4
[pid 16589] close(3)                    = 0
[pid 16589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  217.678603][T16585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16589] close(5)                    = 0
[pid 16589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16592 attached
) = 16592
[pid 16589] tkill(16592, SIGSTOP)       = 0
[pid 16592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16589, si_uid=65534} ---
[pid 16589] exit_group(0 <unfinished ...>
[pid 16592] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16589] <... exit_group resumed>)   = ?
[pid 16589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16589, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16593 attached
, child_tidptr=0x5555574e8650) = 16593
[pid 16593] set_robust_list(0x5555574e8660, 24) = 0
[pid 16593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16593] setpgid(0, 0)               = 0
[pid 16593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16593] write(3, "1000", 4)         = 4
[pid 16593] close(3)                    = 0
[pid 16593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.744150][T16589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16593] close(5)                    = 0
[pid 16593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16596 attached
) = 16596
[pid 16593] tkill(16596, SIGSTOP)       = 0
[pid 16596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16593, si_uid=65534} ---
[pid 16593] exit_group(0 <unfinished ...>
[pid 16596] --- stopped by SIGSTOP ---
[pid 16593] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16593, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16597 attached
, child_tidptr=0x5555574e8650) = 16597
[pid 16597] set_robust_list(0x5555574e8660, 24) = 0
[pid 16597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16597] setpgid(0, 0)               = 0
[pid 16597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16597] write(3, "1000", 4)         = 4
[pid 16597] close(3)                    = 0
[  217.804014][T16593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16597] close(5)                    = 0
[pid 16597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16600 attached
) = 16600
[pid 16597] tkill(16600, SIGSTOP)       = 0
[pid 16600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16597, si_uid=65534} ---
[pid 16597] exit_group(0 <unfinished ...>
[pid 16600] --- stopped by SIGSTOP ---
[pid 16597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16597, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16601 attached
, child_tidptr=0x5555574e8650) = 16601
[pid 16601] set_robust_list(0x5555574e8660, 24) = 0
[pid 16601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16601] setpgid(0, 0)               = 0
[pid 16601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16601] write(3, "1000", 4)         = 4
[pid 16601] close(3)                    = 0
[pid 16601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.873404][T16597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16601] close(5)                    = 0
[pid 16601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16604 attached
) = 16604
[pid 16601] tkill(16604, SIGSTOP)       = 0
[pid 16601] exit_group(0 <unfinished ...>
[pid 16604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16601, si_uid=65534} ---
[pid 16601] <... exit_group resumed>)   = ?
[pid 16604] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16605 attached
, child_tidptr=0x5555574e8650) = 16605
[pid 16605] set_robust_list(0x5555574e8660, 24) = 0
[pid 16605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16605] setpgid(0, 0)               = 0
[pid 16605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16605] write(3, "1000", 4)         = 4
[pid 16605] close(3)                    = 0
[pid 16605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.930885][T16601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16605] close(5)                    = 0
[pid 16605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16608 attached
) = 16608
[pid 16605] tkill(16608, SIGSTOP)       = 0
[pid 16608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16605, si_uid=65534} ---
[pid 16605] exit_group(0 <unfinished ...>
[pid 16608] --- stopped by SIGSTOP ---
[pid 16605] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16605] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16609 attached
, child_tidptr=0x5555574e8650) = 16609
[pid 16609] set_robust_list(0x5555574e8660, 24) = 0
[pid 16609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16609] setpgid(0, 0)               = 0
[pid 16609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16609] write(3, "1000", 4)         = 4
[pid 16609] close(3)                    = 0
[pid 16609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  217.989595][T16605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16609] close(5)                    = 0
[pid 16609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16612 attached
) = 16612
[pid 16609] tkill(16612, SIGSTOP)       = 0
[pid 16612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16609, si_uid=65534} ---
[pid 16612] --- stopped by SIGSTOP ---
[pid 16609] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16609, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16613 attached
, child_tidptr=0x5555574e8650) = 16613
[pid 16613] set_robust_list(0x5555574e8660, 24) = 0
[pid 16613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16613] setpgid(0, 0)               = 0
[pid 16613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16613] write(3, "1000", 4)         = 4
[pid 16613] close(3)                    = 0
[pid 16613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.044075][T16609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16613] close(5)                    = 0
[pid 16613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16616 attached
) = 16616
[pid 16613] tkill(16616, SIGSTOP)       = 0
[pid 16616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16613, si_uid=65534} ---
[pid 16613] exit_group(0 <unfinished ...>
[pid 16616] --- stopped by SIGSTOP ---
[pid 16613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16613] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16617 attached
, child_tidptr=0x5555574e8650) = 16617
[pid 16617] set_robust_list(0x5555574e8660, 24) = 0
[pid 16617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16617] setpgid(0, 0)               = 0
[pid 16617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16617] write(3, "1000", 4)         = 4
[pid 16617] close(3)                    = 0
[pid 16617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.098345][T16613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16617] close(5)                    = 0
[pid 16617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16620 attached
) = 16620
[pid 16617] tkill(16620, SIGSTOP)       = 0
[pid 16620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16617, si_uid=65534} ---
[pid 16617] exit_group(0 <unfinished ...>
[pid 16620] --- stopped by SIGSTOP ---
[pid 16617] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16617] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16617, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16621 attached
, child_tidptr=0x5555574e8650) = 16621
[pid 16621] set_robust_list(0x5555574e8660, 24) = 0
[pid 16621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16621] setpgid(0, 0)               = 0
[pid 16621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16621] write(3, "1000", 4)         = 4
[pid 16621] close(3)                    = 0
[  218.151013][T16617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16621] close(5)                    = 0
[pid 16621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16624 attached
) = 16624
[pid 16621] tkill(16624, SIGSTOP)       = 0
[pid 16624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16621, si_uid=65534} ---
[pid 16621] exit_group(0 <unfinished ...>
[pid 16624] --- stopped by SIGSTOP ---
[pid 16621] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16625 attached
, child_tidptr=0x5555574e8650) = 16625
[pid 16625] set_robust_list(0x5555574e8660, 24) = 0
[pid 16625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16625] setpgid(0, 0)               = 0
[pid 16625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16625] write(3, "1000", 4)         = 4
[pid 16625] close(3)                    = 0
[pid 16625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.231271][T16621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16625] close(5)                    = 0
[pid 16625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16628 attached
) = 16628
[pid 16625] tkill(16628, SIGSTOP)       = 0
[pid 16628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16625, si_uid=65534} ---
[pid 16625] exit_group(0 <unfinished ...>
[pid 16628] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16625] <... exit_group resumed>)   = ?
[pid 16625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16629 attached
, child_tidptr=0x5555574e8650) = 16629
[pid 16629] set_robust_list(0x5555574e8660, 24) = 0
[pid 16629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16629] setpgid(0, 0)               = 0
[pid 16629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16629] write(3, "1000", 4)         = 4
[  218.291673][T16625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16629] close(3)                    = 0
[pid 16629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16629] close(5)                    = 0
[pid 16629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16632 attached
) = 16632
[pid 16629] tkill(16632, SIGSTOP)       = 0
[pid 16632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16629, si_uid=65534} ---
[pid 16629] exit_group(0 <unfinished ...>
[pid 16632] --- stopped by SIGSTOP ---
[pid 16629] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16629] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16633 attached
, child_tidptr=0x5555574e8650) = 16633
[pid 16633] set_robust_list(0x5555574e8660, 24) = 0
[pid 16633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16633] setpgid(0, 0)               = 0
[pid 16633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16633] write(3, "1000", 4)         = 4
[pid 16633] close(3)                    = 0
[pid 16633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.361880][T16629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16633] close(5)                    = 0
[pid 16633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16636 attached
) = 16636
[pid 16633] tkill(16636, SIGSTOP)       = 0
[pid 16636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16633, si_uid=65534} ---
[pid 16633] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16636] --- stopped by SIGSTOP ---
[pid 16633] <... exit_group resumed>)   = ?
[pid 16633] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16637 attached
, child_tidptr=0x5555574e8650) = 16637
[pid 16637] set_robust_list(0x5555574e8660, 24) = 0
[pid 16637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16637] setpgid(0, 0)               = 0
[pid 16637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16637] write(3, "1000", 4)         = 4
[pid 16637] close(3)                    = 0
[pid 16637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  218.419470][T16633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16637] close(5)                    = 0
[pid 16637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16640 attached
) = 16640
[pid 16637] tkill(16640, SIGSTOP)       = 0
[pid 16640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16637, si_uid=65534} ---
[pid 16637] exit_group(0 <unfinished ...>
[pid 16640] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16637] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16637] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16641 attached
, child_tidptr=0x5555574e8650) = 16641
[pid 16641] set_robust_list(0x5555574e8660, 24) = 0
[pid 16641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16641] setpgid(0, 0)               = 0
[pid 16641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16641] write(3, "1000", 4)         = 4
[pid 16641] close(3)                    = 0
[pid 16641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.487208][T16637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16641] close(5)                    = 0
[pid 16641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16644 attached
) = 16644
[pid 16641] tkill(16644, SIGSTOP)       = 0
[pid 16644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16641, si_uid=65534} ---
[pid 16641] exit_group(0 <unfinished ...>
[pid 16644] --- stopped by SIGSTOP ---
[pid 16641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16641] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16641, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16645 attached
, child_tidptr=0x5555574e8650) = 16645
[pid 16645] set_robust_list(0x5555574e8660, 24) = 0
[pid 16645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16645] setpgid(0, 0)               = 0
[pid 16645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16645] write(3, "1000", 4)         = 4
[pid 16645] close(3)                    = 0
[pid 16645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.544047][T16641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16645] close(5)                    = 0
[pid 16645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16648 attached
) = 16648
[pid 16645] tkill(16648, SIGSTOP)       = 0
[pid 16648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16645, si_uid=65534} ---
[pid 16645] exit_group(0 <unfinished ...>
[pid 16648] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16645] <... exit_group resumed>)   = ?
[pid 16645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16645, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16649 attached
, child_tidptr=0x5555574e8650) = 16649
[pid 16649] set_robust_list(0x5555574e8660, 24) = 0
[pid 16649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16649] setpgid(0, 0)               = 0
[pid 16649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16649] write(3, "1000", 4)         = 4
[pid 16649] close(3)                    = 0
[pid 16649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.602334][T16645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16649] close(5)                    = 0
[pid 16649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16652 attached
) = 16652
[pid 16649] tkill(16652, SIGSTOP)       = 0
[pid 16652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16649, si_uid=65534} ---
[pid 16649] exit_group(0 <unfinished ...>
[pid 16652] --- stopped by SIGSTOP ---
[pid 16649] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16649, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16653 attached
, child_tidptr=0x5555574e8650) = 16653
[pid 16653] set_robust_list(0x5555574e8660, 24) = 0
[pid 16653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16653] setpgid(0, 0)               = 0
[pid 16653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16653] write(3, "1000", 4)         = 4
[pid 16653] close(3)                    = 0
[pid 16653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.662697][T16649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16653] close(5)                    = 0
[pid 16653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16656 attached
) = 16656
[pid 16653] tkill(16656, SIGSTOP)       = 0
[pid 16656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16653, si_uid=65534} ---
[pid 16653] exit_group(0 <unfinished ...>
[pid 16656] --- stopped by SIGSTOP ---
[pid 16653] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16653, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16657 attached
, child_tidptr=0x5555574e8650) = 16657
[pid 16657] set_robust_list(0x5555574e8660, 24) = 0
[pid 16657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16657] setpgid(0, 0)               = 0
[pid 16657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16657] write(3, "1000", 4)         = 4
[pid 16657] close(3)                    = 0
[pid 16657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.723211][T16653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16657] close(5)                    = 0
[pid 16657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16660 attached
) = 16660
[pid 16657] tkill(16660, SIGSTOP)       = 0
[pid 16660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16657, si_uid=65534} ---
[pid 16657] exit_group(0 <unfinished ...>
[pid 16660] --- stopped by SIGSTOP ---
[pid 16657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16657] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16657, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16661 attached
, child_tidptr=0x5555574e8650) = 16661
[pid 16661] set_robust_list(0x5555574e8660, 24) = 0
[pid 16661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16661] setpgid(0, 0)               = 0
[pid 16661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16661] write(3, "1000", 4)         = 4
[pid 16661] close(3)                    = 0
[pid 16661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.783286][T16657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16661] close(5)                    = 0
[pid 16661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16664 attached
) = 16664
[pid 16661] tkill(16664, SIGSTOP)       = 0
[pid 16664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16661, si_uid=65534} ---
[pid 16661] exit_group(0 <unfinished ...>
[pid 16664] --- stopped by SIGSTOP ---
[pid 16661] <... exit_group resumed>)   = ?
[pid 16661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16665 attached
, child_tidptr=0x5555574e8650) = 16665
[pid 16665] set_robust_list(0x5555574e8660, 24) = 0
[pid 16665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16665] setpgid(0, 0)               = 0
[pid 16665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16665] write(3, "1000", 4)         = 4
[  218.842839][T16661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16665] close(3)                    = 0
[pid 16665] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16665] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16665] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16665] close(5)                    = 0
[pid 16665] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16668 attached
) = 16668
[pid 16665] tkill(16668, SIGSTOP)       = 0
[pid 16668] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16665, si_uid=65534} ---
[pid 16665] exit_group(0 <unfinished ...>
[pid 16668] --- stopped by SIGSTOP ---
[pid 16665] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16668, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16665] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16665, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16669 attached
, child_tidptr=0x5555574e8650) = 16669
[pid 16669] set_robust_list(0x5555574e8660, 24) = 0
[pid 16669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16669] setpgid(0, 0)               = 0
[pid 16669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16669] write(3, "1000", 4)         = 4
[pid 16669] close(3)                    = 0
[pid 16669] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16669] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.913401][T16665] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16669] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16669] close(5)                    = 0
[pid 16669] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16672 attached
) = 16672
[pid 16669] tkill(16672, SIGSTOP)       = 0
[pid 16672] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16669, si_uid=65534} ---
[pid 16669] exit_group(0 <unfinished ...>
[pid 16672] --- stopped by SIGSTOP ---
[pid 16669] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16672, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16669] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16669, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16673 attached
, child_tidptr=0x5555574e8650) = 16673
[pid 16673] set_robust_list(0x5555574e8660, 24) = 0
[pid 16673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16673] setpgid(0, 0)               = 0
[pid 16673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16673] write(3, "1000", 4)         = 4
[pid 16673] close(3)                    = 0
[pid 16673] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16673] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  218.973447][T16669] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16673] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16673] close(5)                    = 0
[pid 16673] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16676 attached
) = 16676
[pid 16673] tkill(16676, SIGSTOP)       = 0
[pid 16676] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16673, si_uid=65534} ---
[pid 16673] exit_group(0 <unfinished ...>
[pid 16676] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16676, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16673] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16673] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16677 attached
, child_tidptr=0x5555574e8650) = 16677
[pid 16677] set_robust_list(0x5555574e8660, 24) = 0
[pid 16677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16677] setpgid(0, 0)               = 0
[pid 16677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16677] write(3, "1000", 4)         = 4
[pid 16677] close(3)                    = 0
[pid 16677] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16677] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.033426][T16673] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16677] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16677] close(5)                    = 0
[pid 16677] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16680 attached
) = 16680
[pid 16677] tkill(16680, SIGSTOP)       = 0
[pid 16680] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16677, si_uid=65534} ---
[pid 16677] exit_group(0 <unfinished ...>
[pid 16680] --- stopped by SIGSTOP ---
[pid 16677] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16680, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16677] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16681 attached
, child_tidptr=0x5555574e8650) = 16681
[pid 16681] set_robust_list(0x5555574e8660, 24) = 0
[pid 16681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16681] setpgid(0, 0)               = 0
[pid 16681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16681] write(3, "1000", 4)         = 4
[pid 16681] close(3)                    = 0
[pid 16681] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16681] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.097600][T16677] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16681] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16681] close(5)                    = 0
[pid 16681] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16684 attached
) = 16684
[pid 16681] tkill(16684, SIGSTOP)       = 0
[pid 16684] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16681, si_uid=65534} ---
[pid 16681] exit_group(0 <unfinished ...>
[pid 16684] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16684, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16681] <... exit_group resumed>)   = ?
[pid 16681] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16681, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16685 attached
, child_tidptr=0x5555574e8650) = 16685
[pid 16685] set_robust_list(0x5555574e8660, 24) = 0
[pid 16685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16685] setpgid(0, 0)               = 0
[pid 16685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16685] write(3, "1000", 4)         = 4
[pid 16685] close(3)                    = 0
[pid 16685] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16685] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.154686][T16681] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16685] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16685] close(5)                    = 0
[pid 16685] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16688 attached
) = 16688
[pid 16685] tkill(16688, SIGSTOP)       = 0
[pid 16688] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16685, si_uid=65534} ---
[pid 16685] exit_group(0 <unfinished ...>
[pid 16688] --- stopped by SIGSTOP ---
[pid 16685] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16688, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16685] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16685, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16689 attached
, child_tidptr=0x5555574e8650) = 16689
[pid 16689] set_robust_list(0x5555574e8660, 24) = 0
[pid 16689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16689] setpgid(0, 0)               = 0
[pid 16689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16689] write(3, "1000", 4)         = 4
[pid 16689] close(3)                    = 0
[pid 16689] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16689] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.211841][T16685] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16689] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16689] close(5)                    = 0
[pid 16689] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16692 attached
) = 16692
[pid 16689] tkill(16692, SIGSTOP)       = 0
[pid 16692] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16689, si_uid=65534} ---
[pid 16689] exit_group(0 <unfinished ...>
[pid 16692] --- stopped by SIGSTOP ---
[pid 16689] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16692, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16689] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16693 attached
, child_tidptr=0x5555574e8650) = 16693
[pid 16693] set_robust_list(0x5555574e8660, 24) = 0
[pid 16693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16693] setpgid(0, 0)               = 0
[pid 16693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16693] write(3, "1000", 4)         = 4
[pid 16693] close(3)                    = 0
[pid 16693] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16693] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.269517][T16689] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16693] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16693] close(5)                    = 0
[pid 16693] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16696 attached
) = 16696
[pid 16693] tkill(16696, SIGSTOP)       = 0
[pid 16696] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16693, si_uid=65534} ---
[pid 16693] exit_group(0 <unfinished ...>
[pid 16696] --- stopped by SIGSTOP ---
[pid 16693] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16696, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16693] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16693, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16697 attached
, child_tidptr=0x5555574e8650) = 16697
[pid 16697] set_robust_list(0x5555574e8660, 24) = 0
[pid 16697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16697] setpgid(0, 0)               = 0
[pid 16697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16697] write(3, "1000", 4)         = 4
[pid 16697] close(3)                    = 0
[pid 16697] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16697] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.327407][T16693] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16697] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16697] close(5)                    = 0
[pid 16697] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16700 attached
) = 16700
[pid 16697] tkill(16700, SIGSTOP)       = 0
[pid 16700] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16697, si_uid=65534} ---
[pid 16697] exit_group(0 <unfinished ...>
[pid 16700] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16700, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16697] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16697] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16701 attached
, child_tidptr=0x5555574e8650) = 16701
[pid 16701] set_robust_list(0x5555574e8660, 24) = 0
[pid 16701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16701] setpgid(0, 0)               = 0
[pid 16701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16701] write(3, "1000", 4)         = 4
[pid 16701] close(3)                    = 0
[pid 16701] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16701] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.382132][T16697] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16701] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16701] close(5)                    = 0
[pid 16701] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16704 attached
) = 16704
[pid 16701] tkill(16704, SIGSTOP)       = 0
[pid 16704] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16701, si_uid=65534} ---
[pid 16701] exit_group(0 <unfinished ...>
[pid 16704] --- stopped by SIGSTOP ---
[pid 16701] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16704, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16701] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16701, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16705 attached
, child_tidptr=0x5555574e8650) = 16705
[pid 16705] set_robust_list(0x5555574e8660, 24) = 0
[pid 16705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16705] setpgid(0, 0)               = 0
[pid 16705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16705] write(3, "1000", 4)         = 4
[pid 16705] close(3)                    = 0
[pid 16705] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16705] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.439981][T16701] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16705] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16705] close(5)                    = 0
[pid 16705] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16708 attached
) = 16708
[pid 16705] tkill(16708, SIGSTOP)       = 0
[pid 16708] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16705, si_uid=65534} ---
[pid 16705] exit_group(0 <unfinished ...>
[pid 16708] --- stopped by SIGSTOP ---
[pid 16705] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16708, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16705] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16709 attached
, child_tidptr=0x5555574e8650) = 16709
[pid 16709] set_robust_list(0x5555574e8660, 24) = 0
[pid 16709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16709] setpgid(0, 0)               = 0
[pid 16709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16709] write(3, "1000", 4)         = 4
[pid 16709] close(3)                    = 0
[pid 16709] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16709] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.497754][T16705] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16709] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16709] close(5)                    = 0
[pid 16709] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16712 attached
) = 16712
[pid 16709] tkill(16712, SIGSTOP)       = 0
[pid 16712] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16709, si_uid=65534} ---
[pid 16709] exit_group(0 <unfinished ...>
[pid 16712] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16712, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16709] <... exit_group resumed>)   = ?
[pid 16709] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16713 attached
, child_tidptr=0x5555574e8650) = 16713
[pid 16713] set_robust_list(0x5555574e8660, 24) = 0
[pid 16713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16713] setpgid(0, 0)               = 0
[pid 16713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16713] write(3, "1000", 4)         = 4
[pid 16713] close(3)                    = 0
[  219.554805][T16709] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16713] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16713] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16713] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16713] close(5)                    = 0
[pid 16713] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16716 attached
) = 16716
[pid 16713] tkill(16716, SIGSTOP)       = 0
[pid 16716] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16713, si_uid=65534} ---
[pid 16713] exit_group(0 <unfinished ...>
[pid 16716] --- stopped by SIGSTOP ---
[pid 16713] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16716, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16713] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16717 attached
, child_tidptr=0x5555574e8650) = 16717
[pid 16717] set_robust_list(0x5555574e8660, 24) = 0
[pid 16717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16717] setpgid(0, 0)               = 0
[pid 16717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16717] write(3, "1000", 4)         = 4
[pid 16717] close(3)                    = 0
[pid 16717] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16717] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.625329][T16713] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16717] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16717] close(5)                    = 0
[pid 16717] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16720 attached
) = 16720
[pid 16717] tkill(16720, SIGSTOP)       = 0
[pid 16720] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16717, si_uid=65534} ---
[pid 16720] --- stopped by SIGSTOP ---
[pid 16717] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16720, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16717] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16721 attached
, child_tidptr=0x5555574e8650) = 16721
[pid 16721] set_robust_list(0x5555574e8660, 24) = 0
[pid 16721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16721] setpgid(0, 0)               = 0
[pid 16721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16721] write(3, "1000", 4)         = 4
[pid 16721] close(3)                    = 0
[pid 16721] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16721] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.688284][T16717] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16721] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16721] close(5)                    = 0
[pid 16721] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16724 attached
) = 16724
[pid 16721] tkill(16724, SIGSTOP)       = 0
[pid 16724] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16721, si_uid=65534} ---
[pid 16721] exit_group(0 <unfinished ...>
[pid 16724] --- stopped by SIGSTOP ---
[pid 16721] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16724, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16721] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16725 attached
, child_tidptr=0x5555574e8650) = 16725
[pid 16725] set_robust_list(0x5555574e8660, 24) = 0
[pid 16725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16725] setpgid(0, 0)               = 0
[pid 16725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16725] write(3, "1000", 4)         = 4
[pid 16725] close(3)                    = 0
[  219.747430][T16721] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16725] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16725] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16725] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16725] close(5)                    = 0
[pid 16725] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16728 attached
) = 16728
[pid 16725] tkill(16728, SIGSTOP)       = 0
[pid 16728] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16725, si_uid=65534} ---
[pid 16725] exit_group(0 <unfinished ...>
[pid 16728] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16728, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16725] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16725] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16729 attached
, child_tidptr=0x5555574e8650) = 16729
[pid 16729] set_robust_list(0x5555574e8660, 24) = 0
[pid 16729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16729] setpgid(0, 0)               = 0
[pid 16729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16729] write(3, "1000", 4)         = 4
[pid 16729] close(3)                    = 0
[pid 16729] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16729] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.815069][T16725] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16729] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16729] close(5)                    = 0
[pid 16729] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16732 attached
) = 16732
[pid 16729] tkill(16732, SIGSTOP)       = 0
[pid 16729] exit_group(0 <unfinished ...>
[pid 16732] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16729, si_uid=65534} ---
[pid 16729] <... exit_group resumed>)   = ?
[pid 16732] --- stopped by SIGSTOP ---
[pid 16729] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16732, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16733 attached
, child_tidptr=0x5555574e8650) = 16733
[pid 16733] set_robust_list(0x5555574e8660, 24) = 0
[pid 16733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16733] setpgid(0, 0)               = 0
[pid 16733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16733] write(3, "1000", 4)         = 4
[pid 16733] close(3)                    = 0
[pid 16733] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16733] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.871790][T16729] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16733] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16733] close(5)                    = 0
[pid 16733] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16736 attached
) = 16736
[pid 16733] tkill(16736, SIGSTOP)       = 0
[pid 16736] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16733, si_uid=65534} ---
[pid 16733] exit_group(0 <unfinished ...>
[pid 16736] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16736, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16733] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16733] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16737 attached
, child_tidptr=0x5555574e8650) = 16737
[pid 16737] set_robust_list(0x5555574e8660, 24) = 0
[pid 16737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16737] setpgid(0, 0)               = 0
[pid 16737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16737] write(3, "1000", 4)         = 4
[pid 16737] close(3)                    = 0
[pid 16737] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16737] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.928975][T16733] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16737] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16737] close(5)                    = 0
[pid 16737] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16740 attached
) = 16740
[pid 16737] tkill(16740, SIGSTOP)       = 0
[pid 16740] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16737, si_uid=65534} ---
[pid 16737] exit_group(0 <unfinished ...>
[pid 16740] --- stopped by SIGSTOP ---
[pid 16737] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16740, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16737] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16741 attached
, child_tidptr=0x5555574e8650) = 16741
[pid 16741] set_robust_list(0x5555574e8660, 24) = 0
[pid 16741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16741] setpgid(0, 0)               = 0
[pid 16741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16741] write(3, "1000", 4)         = 4
[pid 16741] close(3)                    = 0
[pid 16741] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16741] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  219.989015][T16737] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16741] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16741] close(5)                    = 0
[pid 16741] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16744 attached
) = 16744
[pid 16741] tkill(16744, SIGSTOP)       = 0
[pid 16741] exit_group(0 <unfinished ...>
[pid 16744] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16741, si_uid=65534} ---
[pid 16741] <... exit_group resumed>)   = ?
[pid 16744] --- stopped by SIGSTOP ---
[pid 16741] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16744, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16745 attached
, child_tidptr=0x5555574e8650) = 16745
[pid 16745] set_robust_list(0x5555574e8660, 24) = 0
[pid 16745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16745] setpgid(0, 0)               = 0
[pid 16745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16745] write(3, "1000", 4)         = 4
[pid 16745] close(3)                    = 0
[pid 16745] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16745] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.053924][T16741] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16745] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16745] close(5)                    = 0
[pid 16745] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16748 attached
) = 16748
[pid 16745] tkill(16748, SIGSTOP)       = 0
[pid 16748] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16745, si_uid=65534} ---
[pid 16745] exit_group(0 <unfinished ...>
[pid 16748] --- stopped by SIGSTOP ---
[pid 16745] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16748, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16745] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16749 attached
, child_tidptr=0x5555574e8650) = 16749
[pid 16749] set_robust_list(0x5555574e8660, 24) = 0
[pid 16749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16749] setpgid(0, 0)               = 0
[pid 16749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16749] write(3, "1000", 4)         = 4
[pid 16749] close(3)                    = 0
[pid 16749] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  220.109771][T16745] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16749] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16749] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16749] close(5)                    = 0
[pid 16749] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16752 attached
) = 16752
[pid 16749] tkill(16752, SIGSTOP)       = 0
[pid 16752] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16749, si_uid=65534} ---
[pid 16749] exit_group(0 <unfinished ...>
[pid 16752] --- stopped by SIGSTOP ---
[pid 16749] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16752, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16749] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16753 attached
, child_tidptr=0x5555574e8650) = 16753
[pid 16753] set_robust_list(0x5555574e8660, 24) = 0
[pid 16753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16753] setpgid(0, 0)               = 0
[pid 16753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16753] write(3, "1000", 4)         = 4
[pid 16753] close(3)                    = 0
[pid 16753] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16753] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.177700][T16749] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16753] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16753] close(5)                    = 0
[pid 16753] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16756 attached
) = 16756
[pid 16753] tkill(16756, SIGSTOP)       = 0
[pid 16756] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16753, si_uid=65534} ---
[pid 16753] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16756, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16756] --- stopped by SIGSTOP ---
[pid 16753] <... exit_group resumed>)   = ?
[pid 16753] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16757 attached
, child_tidptr=0x5555574e8650) = 16757
[pid 16757] set_robust_list(0x5555574e8660, 24) = 0
[pid 16757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16757] setpgid(0, 0)               = 0
[pid 16757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16757] write(3, "1000", 4)         = 4
[pid 16757] close(3)                    = 0
[pid 16757] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16757] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.239360][T16753] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16757] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16757] close(5)                    = 0
[pid 16757] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16760 attached
) = 16760
[pid 16757] tkill(16760, SIGSTOP)       = 0
[pid 16760] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16757, si_uid=65534} ---
[pid 16757] exit_group(0 <unfinished ...>
[pid 16760] --- stopped by SIGSTOP ---
[pid 16757] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16760, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16757] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16761 attached
, child_tidptr=0x5555574e8650) = 16761
[pid 16761] set_robust_list(0x5555574e8660, 24) = 0
[pid 16761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16761] setpgid(0, 0)               = 0
[pid 16761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16761] write(3, "1000", 4)         = 4
[pid 16761] close(3)                    = 0
[  220.298236][T16757] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16761] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16761] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16761] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16761] close(5)                    = 0
[pid 16761] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16764 attached
) = 16764
[pid 16761] tkill(16764, SIGSTOP)       = 0
[pid 16764] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16761, si_uid=65534} ---
[pid 16761] exit_group(0 <unfinished ...>
[pid 16764] --- stopped by SIGSTOP ---
[pid 16761] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16764, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16761] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16765 attached
, child_tidptr=0x5555574e8650) = 16765
[pid 16765] set_robust_list(0x5555574e8660, 24) = 0
[pid 16765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16765] setpgid(0, 0)               = 0
[pid 16765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16765] write(3, "1000", 4)         = 4
[pid 16765] close(3)                    = 0
[pid 16765] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16765] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.369363][T16761] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16765] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16765] close(5)                    = 0
[pid 16765] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16768 attached
) = 16768
[pid 16765] tkill(16768, SIGSTOP)       = 0
[pid 16768] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16765, si_uid=65534} ---
[pid 16765] exit_group(0 <unfinished ...>
[pid 16768] --- stopped by SIGSTOP ---
[pid 16765] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16768, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16765] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16769 attached
, child_tidptr=0x5555574e8650) = 16769
[pid 16769] set_robust_list(0x5555574e8660, 24) = 0
[pid 16769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16769] setpgid(0, 0)               = 0
[pid 16769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16769] write(3, "1000", 4)         = 4
[pid 16769] close(3)                    = 0
[pid 16769] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16769] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.429664][T16765] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16769] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16769] close(5)                    = 0
[pid 16769] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16772 attached
) = 16772
[pid 16769] tkill(16772, SIGSTOP)       = 0
[pid 16772] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16769, si_uid=65534} ---
[pid 16769] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16772, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16772] --- stopped by SIGSTOP ---
[pid 16769] <... exit_group resumed>)   = ?
[pid 16769] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16773 attached
, child_tidptr=0x5555574e8650) = 16773
[pid 16773] set_robust_list(0x5555574e8660, 24) = 0
[pid 16773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16773] setpgid(0, 0)               = 0
[pid 16773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16773] write(3, "1000", 4)         = 4
[pid 16773] close(3)                    = 0
[pid 16773] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16773] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.487361][T16769] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16773] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16773] close(5)                    = 0
[pid 16773] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16776 attached
) = 16776
[pid 16773] tkill(16776, SIGSTOP)       = 0
[pid 16776] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16773, si_uid=65534} ---
[pid 16773] exit_group(0 <unfinished ...>
[pid 16776] --- stopped by SIGSTOP ---
[pid 16773] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16776, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16773] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16777 attached
, child_tidptr=0x5555574e8650) = 16777
[pid 16777] set_robust_list(0x5555574e8660, 24) = 0
[pid 16777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16777] setpgid(0, 0)               = 0
[pid 16777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16777] write(3, "1000", 4)         = 4
[pid 16777] close(3)                    = 0
[pid 16777] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  220.548447][T16773] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16777] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16777] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16777] close(5)                    = 0
[pid 16777] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16780 attached
) = 16780
[pid 16777] tkill(16780, SIGSTOP)       = 0
[pid 16780] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16777, si_uid=65534} ---
[pid 16777] exit_group(0 <unfinished ...>
[pid 16780] --- stopped by SIGSTOP ---
[pid 16777] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16780, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16777] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16777, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16781 attached
, child_tidptr=0x5555574e8650) = 16781
[pid 16781] set_robust_list(0x5555574e8660, 24) = 0
[pid 16781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16781] setpgid(0, 0)               = 0
[pid 16781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16781] write(3, "1000", 4)         = 4
[pid 16781] close(3)                    = 0
[pid 16781] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16781] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.614014][T16777] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16781] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16781] close(5)                    = 0
[pid 16781] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16784 attached
) = 16784
[pid 16781] tkill(16784, SIGSTOP)       = 0
[pid 16784] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16781, si_uid=65534} ---
[pid 16781] exit_group(0 <unfinished ...>
[pid 16784] --- stopped by SIGSTOP ---
[pid 16781] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16784, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16781] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16785 attached
, child_tidptr=0x5555574e8650) = 16785
[pid 16785] set_robust_list(0x5555574e8660, 24) = 0
[pid 16785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16785] setpgid(0, 0)               = 0
[pid 16785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16785] write(3, "1000", 4)         = 4
[pid 16785] close(3)                    = 0
[  220.679832][T16781] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16785] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16785] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16785] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16785] close(5)                    = 0
[pid 16785] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16788 attached
) = 16788
[pid 16785] tkill(16788, SIGSTOP)       = 0
[pid 16788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16785, si_uid=65534} ---
[pid 16788] --- stopped by SIGSTOP ---
[pid 16785] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16788, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16785] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16789 attached
, child_tidptr=0x5555574e8650) = 16789
[pid 16789] set_robust_list(0x5555574e8660, 24) = 0
[pid 16789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16789] setpgid(0, 0)               = 0
[pid 16789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16789] write(3, "1000", 4)         = 4
[pid 16789] close(3)                    = 0
[pid 16789] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16789] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.750118][T16785] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16789] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16789] close(5)                    = 0
[pid 16789] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16792 attached
) = 16792
[pid 16789] tkill(16792, SIGSTOP)       = 0
[pid 16792] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16789, si_uid=65534} ---
[pid 16789] exit_group(0 <unfinished ...>
[pid 16792] --- stopped by SIGSTOP ---
[pid 16789] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16792, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16789] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16793 attached
, child_tidptr=0x5555574e8650) = 16793
[pid 16793] set_robust_list(0x5555574e8660, 24) = 0
[pid 16793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16793] setpgid(0, 0)               = 0
[pid 16793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16793] write(3, "1000", 4)         = 4
[pid 16793] close(3)                    = 0
[pid 16793] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16793] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.808794][T16789] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16793] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16793] close(5)                    = 0
[pid 16793] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16796 attached
) = 16796
[pid 16793] tkill(16796, SIGSTOP)       = 0
[pid 16796] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16793, si_uid=65534} ---
[pid 16793] exit_group(0 <unfinished ...>
[pid 16796] --- stopped by SIGSTOP ---
[pid 16793] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16796, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16793] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16797 attached
, child_tidptr=0x5555574e8650) = 16797
[pid 16797] set_robust_list(0x5555574e8660, 24) = 0
[pid 16797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16797] setpgid(0, 0)               = 0
[pid 16797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16797] write(3, "1000", 4)         = 4
[pid 16797] close(3)                    = 0
[pid 16797] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16797] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.866188][T16793] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16797] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16797] close(5)                    = 0
[pid 16797] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16800 attached
) = 16800
[pid 16797] tkill(16800, SIGSTOP)       = 0
[pid 16800] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16797, si_uid=65534} ---
[pid 16797] exit_group(0 <unfinished ...>
[pid 16800] --- stopped by SIGSTOP ---
[pid 16797] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16800, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16797] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16797, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16801 attached
, child_tidptr=0x5555574e8650) = 16801
[pid 16801] set_robust_list(0x5555574e8660, 24) = 0
[pid 16801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16801] setpgid(0, 0)               = 0
[pid 16801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16801] write(3, "1000", 4)         = 4
[pid 16801] close(3)                    = 0
[pid 16801] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16801] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.917780][T16797] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16801] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16801] close(5)                    = 0
[pid 16801] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16804 attached
) = 16804
[pid 16801] tkill(16804, SIGSTOP)       = 0
[pid 16804] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16801, si_uid=65534} ---
[pid 16801] exit_group(0 <unfinished ...>
[pid 16804] --- stopped by SIGSTOP ---
[pid 16801] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16804, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16801] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16805 attached
, child_tidptr=0x5555574e8650) = 16805
[pid 16805] set_robust_list(0x5555574e8660, 24) = 0
[pid 16805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16805] setpgid(0, 0)               = 0
[pid 16805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16805] write(3, "1000", 4)         = 4
[pid 16805] close(3)                    = 0
[pid 16805] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16805] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  220.980192][T16801] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16805] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16805] close(5)                    = 0
[pid 16805] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16808 attached
) = 16808
[pid 16805] tkill(16808, SIGSTOP)       = 0
[pid 16808] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16805, si_uid=65534} ---
[pid 16805] exit_group(0 <unfinished ...>
[pid 16808] --- stopped by SIGSTOP ---
[pid 16805] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16808, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16805] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16809 attached
, child_tidptr=0x5555574e8650) = 16809
[pid 16809] set_robust_list(0x5555574e8660, 24) = 0
[pid 16809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16809] setpgid(0, 0)               = 0
[pid 16809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16809] write(3, "1000", 4)         = 4
[pid 16809] close(3)                    = 0
[pid 16809] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16809] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.037292][T16805] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16809] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16809] close(5)                    = 0
[pid 16809] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16812 attached
) = 16812
[pid 16809] tkill(16812, SIGSTOP)       = 0
[pid 16812] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16809, si_uid=65534} ---
[pid 16809] exit_group(0 <unfinished ...>
[pid 16812] --- stopped by SIGSTOP ---
[pid 16809] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16812, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16809] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16813 attached
, child_tidptr=0x5555574e8650) = 16813
[pid 16813] set_robust_list(0x5555574e8660, 24) = 0
[pid 16813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16813] setpgid(0, 0)               = 0
[pid 16813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16813] write(3, "1000", 4)         = 4
[pid 16813] close(3)                    = 0
[pid 16813] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16813] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.095941][T16809] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16813] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16813] close(5)                    = 0
[pid 16813] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16816 attached
) = 16816
[pid 16813] tkill(16816, SIGSTOP)       = 0
[pid 16816] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16813, si_uid=65534} ---
[pid 16813] exit_group(0 <unfinished ...>
[pid 16816] --- stopped by SIGSTOP ---
[pid 16813] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16816, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16813] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16817 attached
, child_tidptr=0x5555574e8650) = 16817
[pid 16817] set_robust_list(0x5555574e8660, 24) = 0
[pid 16817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16817] setpgid(0, 0)               = 0
[pid 16817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16817] write(3, "1000", 4)         = 4
[pid 16817] close(3)                    = 0
[pid 16817] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16817] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.159687][T16813] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16817] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16817] close(5)                    = 0
[pid 16817] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16820 attached
) = 16820
[pid 16817] tkill(16820, SIGSTOP)       = 0
[pid 16820] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16817, si_uid=65534} ---
[pid 16820] --- stopped by SIGSTOP ---
[pid 16817] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16820, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16817] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16817, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16821 attached
, child_tidptr=0x5555574e8650) = 16821
[pid 16821] set_robust_list(0x5555574e8660, 24) = 0
[pid 16821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16821] setpgid(0, 0)               = 0
[pid 16821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16821] write(3, "1000", 4)         = 4
[pid 16821] close(3)                    = 0
[pid 16821] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16821] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.222050][T16817] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16821] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16821] close(5)                    = 0
[pid 16821] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16824 attached
) = 16824
[pid 16821] tkill(16824, SIGSTOP)       = 0
[pid 16821] exit_group(0 <unfinished ...>
[pid 16824] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16821, si_uid=65534} ---
[pid 16821] <... exit_group resumed>)   = ?
[pid 16824] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16824, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16821] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16821, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16825 attached
, child_tidptr=0x5555574e8650) = 16825
[pid 16825] set_robust_list(0x5555574e8660, 24) = 0
[pid 16825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16825] setpgid(0, 0)               = 0
[pid 16825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16825] write(3, "1000", 4)         = 4
[pid 16825] close(3)                    = 0
[pid 16825] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16825] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.280305][T16821] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16825] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16825] close(5)                    = 0
[pid 16825] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16828 attached
) = 16828
[pid 16825] tkill(16828, SIGSTOP)       = 0
[pid 16828] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16825, si_uid=65534} ---
[pid 16825] exit_group(0 <unfinished ...>
[pid 16828] --- stopped by SIGSTOP ---
[pid 16825] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16828, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16825] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16829 attached
, child_tidptr=0x5555574e8650) = 16829
[pid 16829] set_robust_list(0x5555574e8660, 24) = 0
[pid 16829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16829] setpgid(0, 0)               = 0
[pid 16829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16829] write(3, "1000", 4)         = 4
[pid 16829] close(3)                    = 0
[pid 16829] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16829] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.337768][T16825] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16829] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16829] close(5)                    = 0
[pid 16829] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16832 attached
) = 16832
[pid 16829] tkill(16832, SIGSTOP)       = 0
[pid 16832] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16829, si_uid=65534} ---
[pid 16829] exit_group(0 <unfinished ...>
[pid 16832] --- stopped by SIGSTOP ---
[pid 16829] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16832, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16829] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16833 attached
, child_tidptr=0x5555574e8650) = 16833
[pid 16833] set_robust_list(0x5555574e8660, 24) = 0
[pid 16833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16833] setpgid(0, 0)               = 0
[pid 16833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16833] write(3, "1000", 4)         = 4
[pid 16833] close(3)                    = 0
[pid 16833] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16833] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.397932][T16829] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16833] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16833] close(5)                    = 0
[pid 16833] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16836 attached
) = 16836
[pid 16833] tkill(16836, SIGSTOP)       = 0
[pid 16836] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16833, si_uid=65534} ---
[pid 16833] exit_group(0 <unfinished ...>
[pid 16836] --- stopped by SIGSTOP ---
[pid 16833] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16836, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16833] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16837 attached
, child_tidptr=0x5555574e8650) = 16837
[pid 16837] set_robust_list(0x5555574e8660, 24) = 0
[pid 16837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16837] setpgid(0, 0)               = 0
[pid 16837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16837] write(3, "1000", 4)         = 4
[pid 16837] close(3)                    = 0
[pid 16837] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16837] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.456496][T16833] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16837] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16837] close(5)                    = 0
[pid 16837] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16840 attached
) = 16840
[pid 16837] tkill(16840, SIGSTOP)       = 0
[pid 16840] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16837, si_uid=65534} ---
[pid 16837] exit_group(0 <unfinished ...>
[pid 16840] --- stopped by SIGSTOP ---
[pid 16837] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16840, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16837] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16837, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16841 attached
, child_tidptr=0x5555574e8650) = 16841
[pid 16841] set_robust_list(0x5555574e8660, 24) = 0
[pid 16841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16841] setpgid(0, 0)               = 0
[pid 16841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16841] write(3, "1000", 4)         = 4
[pid 16841] close(3)                    = 0
[pid 16841] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16841] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.514776][T16837] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16841] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16841] close(5)                    = 0
[pid 16841] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16844 attached
) = 16844
[pid 16841] tkill(16844, SIGSTOP)       = 0
[pid 16844] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16841, si_uid=65534} ---
[pid 16841] exit_group(0 <unfinished ...>
[pid 16844] --- stopped by SIGSTOP ---
[pid 16841] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16844, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16841] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16845 attached
, child_tidptr=0x5555574e8650) = 16845
[pid 16845] set_robust_list(0x5555574e8660, 24) = 0
[pid 16845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16845] setpgid(0, 0)               = 0
[pid 16845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16845] write(3, "1000", 4)         = 4
[pid 16845] close(3)                    = 0
[pid 16845] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16845] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.569231][T16841] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16845] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16845] close(5)                    = 0
[pid 16845] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16848 attached
) = 16848
[pid 16845] tkill(16848, SIGSTOP)       = 0
[pid 16848] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16845, si_uid=65534} ---
[pid 16845] exit_group(0 <unfinished ...>
[pid 16848] --- stopped by SIGSTOP ---
[pid 16845] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16848, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16845] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16845, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16849 attached
, child_tidptr=0x5555574e8650) = 16849
[pid 16849] set_robust_list(0x5555574e8660, 24) = 0
[pid 16849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16849] setpgid(0, 0)               = 0
[pid 16849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16849] write(3, "1000", 4)         = 4
[pid 16849] close(3)                    = 0
[  221.621325][T16845] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16849] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16849] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16849] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16849] close(5)                    = 0
[pid 16849] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16852 attached
) = 16852
[pid 16849] tkill(16852, SIGSTOP)       = 0
[pid 16852] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16849, si_uid=65534} ---
[pid 16849] exit_group(0 <unfinished ...>
[pid 16852] --- stopped by SIGSTOP ---
[pid 16849] <... exit_group resumed>)   = ?
[pid 16849] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16852, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16853 attached
, child_tidptr=0x5555574e8650) = 16853
[pid 16853] set_robust_list(0x5555574e8660, 24) = 0
[pid 16853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16853] setpgid(0, 0)               = 0
[pid 16853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16853] write(3, "1000", 4)         = 4
[pid 16853] close(3)                    = 0
[pid 16853] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16853] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.689695][T16849] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16853] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16853] close(5)                    = 0
[pid 16853] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16856 attached
) = 16856
[pid 16853] tkill(16856, SIGSTOP)       = 0
[pid 16856] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16853, si_uid=65534} ---
[pid 16853] exit_group(0 <unfinished ...>
[pid 16856] --- stopped by SIGSTOP ---
[pid 16853] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16856, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16853] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16857 attached
, child_tidptr=0x5555574e8650) = 16857
[pid 16857] set_robust_list(0x5555574e8660, 24) = 0
[pid 16857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16857] setpgid(0, 0)               = 0
[pid 16857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16857] write(3, "1000", 4)         = 4
[pid 16857] close(3)                    = 0
[pid 16857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.747432][T16853] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16857] close(5)                    = 0
[pid 16857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16860 attached
) = 16860
[pid 16857] tkill(16860, SIGSTOP)       = 0
[pid 16860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16857, si_uid=65534} ---
[pid 16857] exit_group(0 <unfinished ...>
[pid 16860] --- stopped by SIGSTOP ---
[pid 16857] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16857, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16861 attached
, child_tidptr=0x5555574e8650) = 16861
[pid 16861] set_robust_list(0x5555574e8660, 24) = 0
[pid 16861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16861] setpgid(0, 0)               = 0
[pid 16861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16861] write(3, "1000", 4)         = 4
[pid 16861] close(3)                    = 0
[pid 16861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.804368][T16857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16861] close(5)                    = 0
[pid 16861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16864 attached
) = 16864
[pid 16861] tkill(16864, SIGSTOP)       = 0
[pid 16864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16861, si_uid=65534} ---
[pid 16861] exit_group(0 <unfinished ...>
[pid 16864] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16861] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16861] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16865 attached
, child_tidptr=0x5555574e8650) = 16865
[pid 16865] set_robust_list(0x5555574e8660, 24) = 0
[pid 16865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16865] setpgid(0, 0)               = 0
[pid 16865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16865] write(3, "1000", 4)         = 4
[pid 16865] close(3)                    = 0
[pid 16865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.861936][T16861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16865] close(5)                    = 0
[pid 16865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16868 attached
) = 16868
[pid 16865] tkill(16868, SIGSTOP)       = 0
[pid 16868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16865, si_uid=65534} ---
[pid 16865] exit_group(0 <unfinished ...>
[pid 16868] --- stopped by SIGSTOP ---
[pid 16865] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16869 attached
, child_tidptr=0x5555574e8650) = 16869
[pid 16869] set_robust_list(0x5555574e8660, 24) = 0
[pid 16869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16869] setpgid(0, 0)               = 0
[pid 16869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16869] write(3, "1000", 4)         = 4
[pid 16869] close(3)                    = 0
[pid 16869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  221.919433][T16865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16869] close(5)                    = 0
[pid 16869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16872 attached
) = 16872
[pid 16869] tkill(16872, SIGSTOP)       = 0
[pid 16872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16869, si_uid=65534} ---
[pid 16869] exit_group(0 <unfinished ...>
[pid 16872] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16869] <... exit_group resumed>)   = ?
[pid 16869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16873 attached
, child_tidptr=0x5555574e8650) = 16873
[pid 16873] set_robust_list(0x5555574e8660, 24) = 0
[pid 16873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16873] setpgid(0, 0)               = 0
[pid 16873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16873] write(3, "1000", 4)         = 4
[pid 16873] close(3)                    = 0
[pid 16873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  221.986354][T16869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16873] close(5)                    = 0
[pid 16873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16876 attached
) = 16876
[pid 16873] tkill(16876, SIGSTOP)       = 0
[pid 16876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16873, si_uid=65534} ---
[pid 16876] --- stopped by SIGSTOP ---
[pid 16873] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16873] <... exit_group resumed>)   = ?
[pid 16873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16873, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16877 attached
, child_tidptr=0x5555574e8650) = 16877
[pid 16877] set_robust_list(0x5555574e8660, 24) = 0
[pid 16877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16877] setpgid(0, 0)               = 0
[pid 16877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16877] write(3, "1000", 4)         = 4
[pid 16877] close(3)                    = 0
[pid 16877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.042099][T16873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16877] close(5)                    = 0
[pid 16877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16880 attached
) = 16880
[pid 16877] tkill(16880, SIGSTOP)       = 0
[pid 16880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16877, si_uid=65534} ---
[pid 16877] exit_group(0 <unfinished ...>
[pid 16880] --- stopped by SIGSTOP ---
[pid 16877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16877] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16881 attached
, child_tidptr=0x5555574e8650) = 16881
[pid 16881] set_robust_list(0x5555574e8660, 24) = 0
[pid 16881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16881] setpgid(0, 0)               = 0
[pid 16881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16881] write(3, "1000", 4)         = 4
[pid 16881] close(3)                    = 0
[  222.100651][T16877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16881] close(5)                    = 0
[pid 16881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16884 attached
) = 16884
[pid 16881] tkill(16884, SIGSTOP)       = 0
[pid 16884] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16881, si_uid=65534} ---
[pid 16881] exit_group(0 <unfinished ...>
[pid 16884] --- stopped by SIGSTOP ---
[pid 16881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16884, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16881] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16881, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16885 attached
, child_tidptr=0x5555574e8650) = 16885
[pid 16885] set_robust_list(0x5555574e8660, 24) = 0
[pid 16885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16885] setpgid(0, 0)               = 0
[pid 16885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16885] write(3, "1000", 4)         = 4
[pid 16885] close(3)                    = 0
[pid 16885] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16885] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.171544][T16881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16885] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16885] close(5)                    = 0
[pid 16885] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16888 attached
) = 16888
[pid 16885] tkill(16888, SIGSTOP)       = 0
[pid 16888] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16885, si_uid=65534} ---
[pid 16885] exit_group(0 <unfinished ...>
[pid 16888] --- stopped by SIGSTOP ---
[pid 16885] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16888, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16885] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16885, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16889 attached
, child_tidptr=0x5555574e8650) = 16889
[pid 16889] set_robust_list(0x5555574e8660, 24) = 0
[pid 16889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16889] setpgid(0, 0)               = 0
[pid 16889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16889] write(3, "1000", 4)         = 4
[pid 16889] close(3)                    = 0
[pid 16889] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16889] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.231403][T16885] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16889] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16889] close(5)                    = 0
[pid 16889] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16892 attached
) = 16892
[pid 16889] tkill(16892, SIGSTOP)       = 0
[pid 16892] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16889, si_uid=65534} ---
[pid 16889] exit_group(0 <unfinished ...>
[pid 16892] --- stopped by SIGSTOP ---
[pid 16889] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16892, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16889] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16893 attached
, child_tidptr=0x5555574e8650) = 16893
[pid 16893] set_robust_list(0x5555574e8660, 24) = 0
[pid 16893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16893] setpgid(0, 0)               = 0
[pid 16893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16893] write(3, "1000", 4)         = 4
[pid 16893] close(3)                    = 0
[pid 16893] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16893] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.285841][T16889] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16893] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16893] close(5)                    = 0
[pid 16893] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16896 attached
) = 16896
[pid 16893] tkill(16896, SIGSTOP)       = 0
[pid 16896] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16893, si_uid=65534} ---
[pid 16893] exit_group(0 <unfinished ...>
[pid 16896] --- stopped by SIGSTOP ---
[pid 16893] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16896, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16893] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16893, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16897 attached
, child_tidptr=0x5555574e8650) = 16897
[pid 16897] set_robust_list(0x5555574e8660, 24) = 0
[pid 16897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16897] setpgid(0, 0)               = 0
[pid 16897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16897] write(3, "1000", 4)         = 4
[  222.343471][T16893] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16897] close(3)                    = 0
[pid 16897] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16897] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16897] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16897] close(5)                    = 0
[pid 16897] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16900 attached
) = 16900
[pid 16897] tkill(16900, SIGSTOP)       = 0
[pid 16900] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16897, si_uid=65534} ---
[pid 16897] exit_group(0 <unfinished ...>
[pid 16900] --- stopped by SIGSTOP ---
[pid 16897] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16900, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16897] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16897, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16901 attached
, child_tidptr=0x5555574e8650) = 16901
[pid 16901] set_robust_list(0x5555574e8660, 24) = 0
[pid 16901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16901] setpgid(0, 0)               = 0
[pid 16901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16901] write(3, "1000", 4)         = 4
[  222.415682][T16897] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16901] close(3)                    = 0
[pid 16901] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16901] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16901] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16901] close(5)                    = 0
[pid 16901] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16904 attached
) = 16904
[pid 16901] tkill(16904, SIGSTOP)       = 0
[pid 16904] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16901, si_uid=65534} ---
[pid 16901] exit_group(0 <unfinished ...>
[pid 16904] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16904, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16901] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16901] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16905 attached
, child_tidptr=0x5555574e8650) = 16905
[pid 16905] set_robust_list(0x5555574e8660, 24) = 0
[pid 16905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16905] setpgid(0, 0)               = 0
[pid 16905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16905] write(3, "1000", 4)         = 4
[pid 16905] close(3)                    = 0
[pid 16905] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16905] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.487248][T16901] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16905] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16905] close(5)                    = 0
[pid 16905] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16908 attached
) = 16908
[pid 16905] tkill(16908, SIGSTOP)       = 0
[pid 16905] exit_group(0)               = ?
[pid 16908] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16905, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16908, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16908] --- stopped by SIGSTOP ---
[pid 16905] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16905, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16909 attached
, child_tidptr=0x5555574e8650) = 16909
[pid 16909] set_robust_list(0x5555574e8660, 24) = 0
[pid 16909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16909] setpgid(0, 0)               = 0
[pid 16909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16909] write(3, "1000", 4)         = 4
[pid 16909] close(3)                    = 0
[pid 16909] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16909] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.544845][T16905] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16909] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16909] close(5)                    = 0
[pid 16909] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16912 attached
) = 16912
[pid 16909] tkill(16912, SIGSTOP)       = 0
[pid 16912] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16909, si_uid=65534} ---
[pid 16909] exit_group(0 <unfinished ...>
[pid 16912] --- stopped by SIGSTOP ---
[pid 16909] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16912, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16909] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16913 attached
, child_tidptr=0x5555574e8650) = 16913
[pid 16913] set_robust_list(0x5555574e8660, 24) = 0
[pid 16913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16913] setpgid(0, 0)               = 0
[pid 16913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16913] write(3, "1000", 4)         = 4
[pid 16913] close(3)                    = 0
[pid 16913] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16913] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.600545][T16909] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16913] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16913] close(5)                    = 0
[pid 16913] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16916 attached
) = 16916
[pid 16913] tkill(16916, SIGSTOP)       = 0
[pid 16913] exit_group(0)               = ?
[pid 16916] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16913, si_uid=65534} ---
[pid 16916] --- stopped by SIGSTOP ---
[pid 16913] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16916, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16917 attached
, child_tidptr=0x5555574e8650) = 16917
[pid 16917] set_robust_list(0x5555574e8660, 24) = 0
[pid 16917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16917] setpgid(0, 0)               = 0
[pid 16917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16917] write(3, "1000", 4)         = 4
[pid 16917] close(3)                    = 0
[pid 16917] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16917] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.658979][T16913] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16917] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16917] close(5)                    = 0
[pid 16917] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16920 attached
) = 16920
[pid 16917] tkill(16920, SIGSTOP)       = 0
[pid 16920] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16917, si_uid=65534} ---
[pid 16917] exit_group(0 <unfinished ...>
[pid 16920] --- stopped by SIGSTOP ---
[pid 16917] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16920, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16917] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16917, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16921 attached
, child_tidptr=0x5555574e8650) = 16921
[pid 16921] set_robust_list(0x5555574e8660, 24) = 0
[pid 16921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16921] setpgid(0, 0)               = 0
[pid 16921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16921] write(3, "1000", 4)         = 4
[pid 16921] close(3)                    = 0
[pid 16921] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16921] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.712253][T16917] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16921] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16921] close(5)                    = 0
[pid 16921] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16924 attached
) = 16924
[pid 16921] tkill(16924, SIGSTOP)       = 0
[pid 16924] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16921, si_uid=65534} ---
[pid 16921] exit_group(0 <unfinished ...>
[pid 16924] --- stopped by SIGSTOP ---
[pid 16921] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16924, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16921] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16925 attached
, child_tidptr=0x5555574e8650) = 16925
[pid 16925] set_robust_list(0x5555574e8660, 24) = 0
[pid 16925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16925] setpgid(0, 0)               = 0
[pid 16925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16925] write(3, "1000", 4)         = 4
[pid 16925] close(3)                    = 0
[pid 16925] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16925] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.771615][T16921] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16925] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16925] close(5)                    = 0
[pid 16925] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16928 attached
) = 16928
[pid 16925] tkill(16928, SIGSTOP)       = 0
[pid 16928] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16925, si_uid=65534} ---
[pid 16925] exit_group(0 <unfinished ...>
[pid 16928] --- stopped by SIGSTOP ---
[pid 16925] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16928, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16925] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16929 attached
, child_tidptr=0x5555574e8650) = 16929
[pid 16929] set_robust_list(0x5555574e8660, 24) = 0
[pid 16929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16929] setpgid(0, 0)               = 0
[pid 16929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16929] write(3, "1000", 4)         = 4
[pid 16929] close(3)                    = 0
[  222.830060][T16925] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16929] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16929] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16929] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16929] close(5)                    = 0
[pid 16929] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16932 attached
) = 16932
[pid 16929] tkill(16932, SIGSTOP)       = 0
[pid 16932] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16929, si_uid=65534} ---
[pid 16929] exit_group(0 <unfinished ...>
[pid 16932] --- stopped by SIGSTOP ---
[pid 16929] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16932, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16929] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16933 attached
, child_tidptr=0x5555574e8650) = 16933
[pid 16933] set_robust_list(0x5555574e8660, 24) = 0
[pid 16933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16933] setpgid(0, 0)               = 0
[pid 16933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16933] write(3, "1000", 4)         = 4
[pid 16933] close(3)                    = 0
[pid 16933] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16933] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.900255][T16929] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16933] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16933] close(5)                    = 0
[pid 16933] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16936 attached
) = 16936
[pid 16933] tkill(16936, SIGSTOP)       = 0
[pid 16936] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16933, si_uid=65534} ---
[pid 16933] exit_group(0 <unfinished ...>
[pid 16936] --- stopped by SIGSTOP ---
[pid 16933] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16936, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16933] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16937 attached
, child_tidptr=0x5555574e8650) = 16937
[pid 16937] set_robust_list(0x5555574e8660, 24) = 0
[pid 16937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16937] setpgid(0, 0)               = 0
[pid 16937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16937] write(3, "1000", 4)         = 4
[pid 16937] close(3)                    = 0
[pid 16937] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16937] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  222.957272][T16933] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16937] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16937] close(5)                    = 0
[pid 16937] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16940 attached
) = 16940
[pid 16937] tkill(16940, SIGSTOP)       = 0
[pid 16940] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16937, si_uid=65534} ---
[pid 16940] --- stopped by SIGSTOP ---
[pid 16937] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16940, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16937] <... exit_group resumed>)   = ?
[pid 16937] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16937, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16941 attached
, child_tidptr=0x5555574e8650) = 16941
[pid 16941] set_robust_list(0x5555574e8660, 24) = 0
[pid 16941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16941] setpgid(0, 0)               = 0
[pid 16941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16941] write(3, "1000", 4)         = 4
[  223.018769][T16937] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16941] close(3)                    = 0
[pid 16941] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16941] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16941] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16941] close(5)                    = 0
[pid 16941] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16944 attached
) = 16944
[pid 16941] tkill(16944, SIGSTOP)       = 0
[pid 16944] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16941, si_uid=65534} ---
[pid 16941] exit_group(0 <unfinished ...>
[pid 16944] --- stopped by SIGSTOP ---
[pid 16941] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16944, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16941] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16945 attached
, child_tidptr=0x5555574e8650) = 16945
[pid 16945] set_robust_list(0x5555574e8660, 24) = 0
[pid 16945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16945] setpgid(0, 0)               = 0
[pid 16945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16945] write(3, "1000", 4)         = 4
[pid 16945] close(3)                    = 0
[pid 16945] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16945] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.089453][T16941] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16945] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16945] close(5)                    = 0
[pid 16945] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16948 attached
) = 16948
[pid 16945] tkill(16948, SIGSTOP)       = 0
[pid 16948] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16945, si_uid=65534} ---
[pid 16945] exit_group(0 <unfinished ...>
[pid 16948] --- stopped by SIGSTOP ---
[pid 16945] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16948, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16945] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16945, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16949 attached
, child_tidptr=0x5555574e8650) = 16949
[pid 16949] set_robust_list(0x5555574e8660, 24) = 0
[pid 16949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16949] setpgid(0, 0)               = 0
[pid 16949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16949] write(3, "1000", 4)         = 4
[pid 16949] close(3)                    = 0
[pid 16949] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16949] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.152992][T16945] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16949] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16949] close(5)                    = 0
[pid 16949] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16952 attached
) = 16952
[pid 16949] tkill(16952, SIGSTOP)       = 0
[pid 16952] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16949, si_uid=65534} ---
[pid 16949] exit_group(0 <unfinished ...>
[pid 16952] --- stopped by SIGSTOP ---
[pid 16949] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16952, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16949] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16949, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16953 attached
, child_tidptr=0x5555574e8650) = 16953
[pid 16953] set_robust_list(0x5555574e8660, 24) = 0
[pid 16953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16953] setpgid(0, 0)               = 0
[pid 16953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16953] write(3, "1000", 4)         = 4
[  223.213793][T16949] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16953] close(3)                    = 0
[pid 16953] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16953] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16953] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16953] close(5)                    = 0
[pid 16953] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16956 attached
) = 16956
[pid 16953] tkill(16956, SIGSTOP)       = 0
[pid 16956] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16953, si_uid=65534} ---
[pid 16953] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16956, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16956] --- stopped by SIGSTOP ---
[pid 16953] <... exit_group resumed>)   = ?
[pid 16953] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16957 attached
, child_tidptr=0x5555574e8650) = 16957
[pid 16957] set_robust_list(0x5555574e8660, 24) = 0
[pid 16957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16957] setpgid(0, 0)               = 0
[pid 16957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16957] write(3, "1000", 4)         = 4
[  223.287744][T16953] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16957] close(3)                    = 0
[pid 16957] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16957] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16957] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16957] close(5)                    = 0
[pid 16957] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16960 attached
) = 16960
[pid 16957] tkill(16960, SIGSTOP)       = 0
[pid 16960] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16957, si_uid=65534} ---
[pid 16957] exit_group(0 <unfinished ...>
[pid 16960] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16960, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16957] <... exit_group resumed>)   = ?
[pid 16957] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16961 attached
, child_tidptr=0x5555574e8650) = 16961
[pid 16961] set_robust_list(0x5555574e8660, 24) = 0
[pid 16961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16961] setpgid(0, 0)               = 0
[pid 16961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16961] write(3, "1000", 4)         = 4
[pid 16961] close(3)                    = 0
[pid 16961] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16961] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.357298][T16957] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16961] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16961] close(5)                    = 0
[pid 16961] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16964 attached
) = 16964
[pid 16961] tkill(16964, SIGSTOP)       = 0
[pid 16964] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16961, si_uid=65534} ---
[pid 16961] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16964, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16964] --- stopped by SIGSTOP ---
[pid 16961] <... exit_group resumed>)   = ?
[pid 16961] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16965 attached
, child_tidptr=0x5555574e8650) = 16965
[pid 16965] set_robust_list(0x5555574e8660, 24) = 0
[pid 16965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16965] setpgid(0, 0)               = 0
[pid 16965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16965] write(3, "1000", 4)         = 4
[pid 16965] close(3)                    = 0
[pid 16965] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16965] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.418454][T16961] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16965] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16965] close(5)                    = 0
[pid 16965] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16968 attached
) = 16968
[pid 16965] tkill(16968, SIGSTOP)       = 0
[pid 16968] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16965, si_uid=65534} ---
[pid 16968] --- stopped by SIGSTOP ---
[pid 16965] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16968, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16965] <... exit_group resumed>)   = ?
[pid 16965] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16969 attached
, child_tidptr=0x5555574e8650) = 16969
[pid 16969] set_robust_list(0x5555574e8660, 24) = 0
[pid 16969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16969] setpgid(0, 0)               = 0
[pid 16969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16969] write(3, "1000", 4)         = 4
[pid 16969] close(3)                    = 0
[pid 16969] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16969] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.471739][T16965] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16969] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16969] close(5)                    = 0
[pid 16969] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16972 attached
) = 16972
[pid 16969] tkill(16972, SIGSTOP)       = 0
[pid 16972] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16969, si_uid=65534} ---
[pid 16969] exit_group(0 <unfinished ...>
[pid 16972] --- stopped by SIGSTOP ---
[pid 16969] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16972, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16969] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16973 attached
, child_tidptr=0x5555574e8650) = 16973
[pid 16973] set_robust_list(0x5555574e8660, 24) = 0
[pid 16973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16973] setpgid(0, 0)               = 0
[pid 16973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16973] write(3, "1000", 4)         = 4
[pid 16973] close(3)                    = 0
[pid 16973] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16973] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.527863][T16969] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16973] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16973] close(5)                    = 0
[pid 16973] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16976 attached
) = 16976
[pid 16973] tkill(16976, SIGSTOP)       = 0
[pid 16976] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16973, si_uid=65534} ---
[pid 16973] exit_group(0 <unfinished ...>
[pid 16976] --- stopped by SIGSTOP ---
[pid 16973] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16976, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16973] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16977 attached
, child_tidptr=0x5555574e8650) = 16977
[pid 16977] set_robust_list(0x5555574e8660, 24) = 0
[pid 16977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16977] setpgid(0, 0)               = 0
[pid 16977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16977] write(3, "1000", 4)         = 4
[pid 16977] close(3)                    = 0
[pid 16977] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16977] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.585577][T16973] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16977] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16977] close(5)                    = 0
[pid 16977] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16980 attached
) = 16980
[pid 16977] tkill(16980, SIGSTOP)       = 0
[pid 16980] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16977, si_uid=65534} ---
[pid 16977] exit_group(0 <unfinished ...>
[pid 16980] --- stopped by SIGSTOP ---
[pid 16977] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16980, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16977] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16981 attached
, child_tidptr=0x5555574e8650) = 16981
[pid 16981] set_robust_list(0x5555574e8660, 24) = 0
[pid 16981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16981] setpgid(0, 0)               = 0
[pid 16981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16981] write(3, "1000", 4)         = 4
[pid 16981] close(3)                    = 0
[pid 16981] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  223.641595][T16977] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16981] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16981] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16981] close(5)                    = 0
[pid 16981] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16984 attached
) = 16984
[pid 16981] tkill(16984, SIGSTOP)       = 0
[pid 16984] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16981, si_uid=65534} ---
[pid 16981] exit_group(0 <unfinished ...>
[pid 16984] --- stopped by SIGSTOP ---
[pid 16981] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16984, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16981] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16981, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16985 attached
, child_tidptr=0x5555574e8650) = 16985
[pid 16985] set_robust_list(0x5555574e8660, 24) = 0
[pid 16985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16985] setpgid(0, 0)               = 0
[pid 16985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16985] write(3, "1000", 4)         = 4
[pid 16985] close(3)                    = 0
[  223.707237][T16981] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16985] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16985] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 16985] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16985] close(5)                    = 0
[pid 16985] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16988 attached
) = 16988
[pid 16985] tkill(16988, SIGSTOP)       = 0
[pid 16985] exit_group(0 <unfinished ...>
[pid 16988] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16985, si_uid=65534} ---
[pid 16985] <... exit_group resumed>)   = ?
[pid 16988] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16988, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16985] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16985, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16989 attached
, child_tidptr=0x5555574e8650) = 16989
[pid 16989] set_robust_list(0x5555574e8660, 24) = 0
[pid 16989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16989] setpgid(0, 0)               = 0
[pid 16989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16989] write(3, "1000", 4)         = 4
[pid 16989] close(3)                    = 0
[pid 16989] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16989] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.774169][T16985] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16989] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16989] close(5)                    = 0
[pid 16989] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16992 attached
) = 16992
[pid 16989] tkill(16992, SIGSTOP)       = 0
[pid 16992] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16989, si_uid=65534} ---
[pid 16989] exit_group(0 <unfinished ...>
[pid 16992] --- stopped by SIGSTOP ---
[pid 16989] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16992, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 16989] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16989, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16993 attached
, child_tidptr=0x5555574e8650) = 16993
[pid 16993] set_robust_list(0x5555574e8660, 24) = 0
[pid 16993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16993] setpgid(0, 0)               = 0
[pid 16993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16993] write(3, "1000", 4)         = 4
[pid 16993] close(3)                    = 0
[pid 16993] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16993] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.833237][T16989] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16993] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16993] close(5)                    = 0
[pid 16993] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 16996 attached
) = 16996
[pid 16993] tkill(16996, SIGSTOP)       = 0
[pid 16996] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16993, si_uid=65534} ---
[pid 16993] exit_group(0 <unfinished ...>
[pid 16996] --- stopped by SIGSTOP ---
[pid 16993] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=16996, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 16993] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16997 attached
, child_tidptr=0x5555574e8650) = 16997
[pid 16997] set_robust_list(0x5555574e8660, 24) = 0
[pid 16997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16997] setpgid(0, 0)               = 0
[pid 16997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16997] write(3, "1000", 4)         = 4
[pid 16997] close(3)                    = 0
[pid 16997] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 16997] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.897463][T16993] vhci_hcd vhci_hcd.0: port 0 already used
[pid 16997] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 16997] close(5)                    = 0
[pid 16997] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17000 attached
) = 17000
[pid 16997] tkill(17000, SIGSTOP)       = 0
[pid 17000] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=16997, si_uid=65534} ---
[pid 16997] exit_group(0 <unfinished ...>
[pid 17000] --- stopped by SIGSTOP ---
[pid 16997] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17000, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 16997] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16997, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17001 attached
, child_tidptr=0x5555574e8650) = 17001
[pid 17001] set_robust_list(0x5555574e8660, 24) = 0
[pid 17001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17001] setpgid(0, 0)               = 0
[pid 17001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17001] write(3, "1000", 4)         = 4
[pid 17001] close(3)                    = 0
[pid 17001] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17001] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  223.954738][T16997] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17001] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17001] close(5)                    = 0
[pid 17001] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17004 attached
) = 17004
[pid 17001] tkill(17004, SIGSTOP)       = 0
[pid 17004] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17001, si_uid=65534} ---
[pid 17001] exit_group(0 <unfinished ...>
[pid 17004] --- stopped by SIGSTOP ---
[pid 17001] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17004, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17001] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17001, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17005 attached
, child_tidptr=0x5555574e8650) = 17005
[pid 17005] set_robust_list(0x5555574e8660, 24) = 0
[pid 17005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17005] setpgid(0, 0)               = 0
[pid 17005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17005] write(3, "1000", 4)         = 4
[pid 17005] close(3)                    = 0
[pid 17005] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17005] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.013378][T17001] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17005] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17005] close(5)                    = 0
[pid 17005] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17008 attached
) = 17008
[pid 17005] tkill(17008, SIGSTOP)       = 0
[pid 17008] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17005, si_uid=65534} ---
[pid 17005] exit_group(0 <unfinished ...>
[pid 17008] --- stopped by SIGSTOP ---
[pid 17005] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17008, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17005] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17009 attached
, child_tidptr=0x5555574e8650) = 17009
[pid 17009] set_robust_list(0x5555574e8660, 24) = 0
[pid 17009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17009] setpgid(0, 0)               = 0
[pid 17009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17009] write(3, "1000", 4)         = 4
[pid 17009] close(3)                    = 0
[pid 17009] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17009] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.071328][T17005] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17009] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17009] close(5)                    = 0
[pid 17009] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17012 attached
) = 17012
[pid 17009] tkill(17012, SIGSTOP)       = 0
[pid 17012] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17009, si_uid=65534} ---
[pid 17009] exit_group(0 <unfinished ...>
[pid 17012] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17012, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17009] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17009] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17013 attached
, child_tidptr=0x5555574e8650) = 17013
[pid 17013] set_robust_list(0x5555574e8660, 24) = 0
[pid 17013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17013] setpgid(0, 0)               = 0
[pid 17013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17013] write(3, "1000", 4)         = 4
[pid 17013] close(3)                    = 0
[pid 17013] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17013] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.128480][T17009] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17013] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17013] close(5)                    = 0
[pid 17013] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17016 attached
) = 17016
[pid 17013] tkill(17016, SIGSTOP)       = 0
[pid 17016] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17013, si_uid=65534} ---
[pid 17013] exit_group(0 <unfinished ...>
[pid 17016] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17016, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17013] <... exit_group resumed>)   = ?
[pid 17013] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17017 attached
, child_tidptr=0x5555574e8650) = 17017
[pid 17017] set_robust_list(0x5555574e8660, 24) = 0
[pid 17017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17017] setpgid(0, 0)               = 0
[pid 17017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17017] write(3, "1000", 4)         = 4
[pid 17017] close(3)                    = 0
[pid 17017] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17017] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.188266][T17013] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17017] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17017] close(5)                    = 0
[pid 17017] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17020 attached
) = 17020
[pid 17017] tkill(17020, SIGSTOP)       = 0
[pid 17017] exit_group(0 <unfinished ...>
[pid 17020] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17017, si_uid=65534} ---
[pid 17017] <... exit_group resumed>)   = ?
[pid 17020] --- stopped by SIGSTOP ---
[pid 17017] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17020, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17021 attached
, child_tidptr=0x5555574e8650) = 17021
[pid 17021] set_robust_list(0x5555574e8660, 24) = 0
[pid 17021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17021] setpgid(0, 0)               = 0
[pid 17021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  224.248872][T17017] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17021] write(3, "1000", 4)         = 4
[pid 17021] close(3)                    = 0
[pid 17021] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17021] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17021] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17021] close(5)                    = 0
[pid 17021] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17024 attached
) = 17024
[pid 17021] tkill(17024, SIGSTOP)       = 0
[pid 17024] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17021, si_uid=65534} ---
[pid 17021] exit_group(0 <unfinished ...>
[pid 17024] --- stopped by SIGSTOP ---
[pid 17021] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17024, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17021] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17021, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17025 attached
, child_tidptr=0x5555574e8650) = 17025
[pid 17025] set_robust_list(0x5555574e8660, 24) = 0
[pid 17025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17025] setpgid(0, 0)               = 0
[pid 17025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17025] write(3, "1000", 4)         = 4
[pid 17025] close(3)                    = 0
[pid 17025] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17025] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.324064][T17021] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17025] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17025] close(5)                    = 0
[pid 17025] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17028 attached
) = 17028
[pid 17025] tkill(17028, SIGSTOP)       = 0
[pid 17025] exit_group(0 <unfinished ...>
[pid 17028] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17025, si_uid=65534} ---
[pid 17025] <... exit_group resumed>)   = ?
[pid 17028] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17028, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17025] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17025, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17029 attached
, child_tidptr=0x5555574e8650) = 17029
[pid 17029] set_robust_list(0x5555574e8660, 24) = 0
[pid 17029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17029] setpgid(0, 0)               = 0
[pid 17029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17029] write(3, "1000", 4)         = 4
[pid 17029] close(3)                    = 0
[pid 17029] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17029] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.384471][T17025] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17029] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17029] close(5)                    = 0
[pid 17029] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17032 attached
) = 17032
[pid 17029] tkill(17032, SIGSTOP)       = 0
[pid 17032] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17029, si_uid=65534} ---
[pid 17029] exit_group(0 <unfinished ...>
[pid 17032] --- stopped by SIGSTOP ---
[pid 17029] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17032, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17029] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17033 attached
, child_tidptr=0x5555574e8650) = 17033
[pid 17033] set_robust_list(0x5555574e8660, 24) = 0
[pid 17033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17033] setpgid(0, 0)               = 0
[pid 17033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17033] write(3, "1000", 4)         = 4
[  224.446368][T17029] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17033] close(3)                    = 0
[pid 17033] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17033] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17033] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17033] close(5)                    = 0
[pid 17033] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17036 attached
) = 17036
[pid 17033] tkill(17036, SIGSTOP)       = 0
[pid 17036] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17033, si_uid=65534} ---
[pid 17033] exit_group(0 <unfinished ...>
[pid 17036] --- stopped by SIGSTOP ---
[pid 17033] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17036, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17033] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17037 attached
, child_tidptr=0x5555574e8650) = 17037
[pid 17037] set_robust_list(0x5555574e8660, 24) = 0
[pid 17037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17037] setpgid(0, 0)               = 0
[pid 17037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17037] write(3, "1000", 4)         = 4
[pid 17037] close(3)                    = 0
[pid 17037] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17037] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.518358][T17033] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17037] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17037] close(5)                    = 0
[pid 17037] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17040 attached
) = 17040
[pid 17037] tkill(17040, SIGSTOP)       = 0
[pid 17040] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17037, si_uid=65534} ---
[pid 17037] exit_group(0 <unfinished ...>
[pid 17040] --- stopped by SIGSTOP ---
[pid 17037] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17040, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17037] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17041 attached
, child_tidptr=0x5555574e8650) = 17041
[pid 17041] set_robust_list(0x5555574e8660, 24) = 0
[pid 17041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17041] setpgid(0, 0)               = 0
[pid 17041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17041] write(3, "1000", 4)         = 4
[pid 17041] close(3)                    = 0
[pid 17041] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17041] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.579523][T17037] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17041] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17041] close(5)                    = 0
[pid 17041] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17044 attached
) = 17044
[pid 17041] tkill(17044, SIGSTOP)       = 0
[pid 17041] exit_group(0 <unfinished ...>
[pid 17044] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17041, si_uid=65534} ---
[pid 17041] <... exit_group resumed>)   = ?
[pid 17044] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17044, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17041] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17041, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17045 attached
, child_tidptr=0x5555574e8650) = 17045
[pid 17045] set_robust_list(0x5555574e8660, 24) = 0
[pid 17045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17045] setpgid(0, 0)               = 0
[pid 17045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17045] write(3, "1000", 4)         = 4
[pid 17045] close(3)                    = 0
[pid 17045] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17045] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.642462][T17041] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17045] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17045] close(5)                    = 0
[pid 17045] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17048 attached
) = 17048
[pid 17045] tkill(17048, SIGSTOP)       = 0
[pid 17045] exit_group(0 <unfinished ...>
[pid 17048] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17045, si_uid=65534} ---
[pid 17045] <... exit_group resumed>)   = ?
[pid 17048] --- stopped by SIGSTOP ---
[pid 17045] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17048, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17049 attached
, child_tidptr=0x5555574e8650) = 17049
[pid 17049] set_robust_list(0x5555574e8660, 24) = 0
[pid 17049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17049] setpgid(0, 0)               = 0
[pid 17049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17049] write(3, "1000", 4)         = 4
[pid 17049] close(3)                    = 0
[pid 17049] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17049] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.702588][T17045] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17049] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17049] close(5)                    = 0
[pid 17049] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17052 attached
) = 17052
[pid 17049] tkill(17052, SIGSTOP)       = 0
[pid 17049] exit_group(0 <unfinished ...>
[pid 17052] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17049, si_uid=65534} ---
[pid 17049] <... exit_group resumed>)   = ?
[pid 17052] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17052, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17049] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17053 attached
, child_tidptr=0x5555574e8650) = 17053
[pid 17053] set_robust_list(0x5555574e8660, 24) = 0
[pid 17053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17053] setpgid(0, 0)               = 0
[pid 17053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17053] write(3, "1000", 4)         = 4
[pid 17053] close(3)                    = 0
[pid 17053] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17053] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.761849][T17049] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17053] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17053] close(5)                    = 0
[pid 17053] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17056 attached
) = 17056
[pid 17053] tkill(17056, SIGSTOP)       = 0
[pid 17056] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17053, si_uid=65534} ---
[pid 17053] exit_group(0 <unfinished ...>
[pid 17056] --- stopped by SIGSTOP ---
[pid 17053] <... exit_group resumed>)   = ?
[pid 17053] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17056, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17057 attached
, child_tidptr=0x5555574e8650) = 17057
[pid 17057] set_robust_list(0x5555574e8660, 24) = 0
[pid 17057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17057] setpgid(0, 0)               = 0
[pid 17057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17057] write(3, "1000", 4)         = 4
[pid 17057] close(3)                    = 0
[pid 17057] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17057] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.821483][T17053] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17057] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17057] close(5)                    = 0
[pid 17057] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17060 attached
) = 17060
[pid 17057] tkill(17060, SIGSTOP)       = 0
[pid 17060] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17057, si_uid=65534} ---
[pid 17057] exit_group(0 <unfinished ...>
[pid 17060] --- stopped by SIGSTOP ---
[pid 17057] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17060, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17057] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17057, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17061 attached
, child_tidptr=0x5555574e8650) = 17061
[pid 17061] set_robust_list(0x5555574e8660, 24) = 0
[pid 17061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17061] setpgid(0, 0)               = 0
[pid 17061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17061] write(3, "1000", 4)         = 4
[pid 17061] close(3)                    = 0
[pid 17061] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  224.884392][T17057] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17061] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17061] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17061] close(5)                    = 0
[pid 17061] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17064 attached
) = 17064
[pid 17061] tkill(17064, SIGSTOP)       = 0
[pid 17064] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17061, si_uid=65534} ---
[pid 17064] --- stopped by SIGSTOP ---
[pid 17061] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17064, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17061] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17065 attached
, child_tidptr=0x5555574e8650) = 17065
[pid 17065] set_robust_list(0x5555574e8660, 24) = 0
[pid 17065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17065] setpgid(0, 0)               = 0
[pid 17065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17065] write(3, "1000", 4)         = 4
[pid 17065] close(3)                    = 0
[pid 17065] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17065] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  224.950301][T17061] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17065] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17065] close(5)                    = 0
[pid 17065] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17068 attached
) = 17068
[pid 17065] tkill(17068, SIGSTOP)       = 0
[pid 17068] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17065, si_uid=65534} ---
[pid 17065] exit_group(0 <unfinished ...>
[pid 17068] --- stopped by SIGSTOP ---
[pid 17065] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17068, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17065] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17065, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17069 attached
, child_tidptr=0x5555574e8650) = 17069
[pid 17069] set_robust_list(0x5555574e8660, 24) = 0
[pid 17069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17069] setpgid(0, 0)               = 0
[pid 17069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17069] write(3, "1000", 4)         = 4
[pid 17069] close(3)                    = 0
[  225.008485][T17065] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17069] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17069] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17069] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17069] close(5)                    = 0
[pid 17069] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17072 attached
) = 17072
[pid 17069] tkill(17072, SIGSTOP)       = 0
[pid 17072] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17069, si_uid=65534} ---
[pid 17069] exit_group(0 <unfinished ...>
[pid 17072] --- stopped by SIGSTOP ---
[pid 17069] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17072, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17069] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17073 attached
, child_tidptr=0x5555574e8650) = 17073
[pid 17073] set_robust_list(0x5555574e8660, 24) = 0
[pid 17073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17073] setpgid(0, 0)               = 0
[pid 17073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17073] write(3, "1000", 4)         = 4
[pid 17073] close(3)                    = 0
[  225.077499][T17069] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17073] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17073] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17073] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17073] close(5)                    = 0
[pid 17073] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17076 attached
) = 17076
[pid 17073] tkill(17076, SIGSTOP)       = 0
[pid 17076] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17073, si_uid=65534} ---
[pid 17073] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17076, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17076] --- stopped by SIGSTOP ---
[pid 17073] <... exit_group resumed>)   = ?
[pid 17073] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17077 attached
, child_tidptr=0x5555574e8650) = 17077
[pid 17077] set_robust_list(0x5555574e8660, 24) = 0
[pid 17077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17077] setpgid(0, 0)               = 0
[pid 17077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17077] write(3, "1000", 4)         = 4
[pid 17077] close(3)                    = 0
[pid 17077] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17077] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.146445][T17073] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17077] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17077] close(5)                    = 0
[pid 17077] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17080 attached
) = 17080
[pid 17077] tkill(17080, SIGSTOP)       = 0
[pid 17080] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17077, si_uid=65534} ---
[pid 17077] exit_group(0 <unfinished ...>
[pid 17080] --- stopped by SIGSTOP ---
[pid 17077] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17080, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17077] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17081 attached
, child_tidptr=0x5555574e8650) = 17081
[pid 17081] set_robust_list(0x5555574e8660, 24) = 0
[pid 17081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17081] setpgid(0, 0)               = 0
[pid 17081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17081] write(3, "1000", 4)         = 4
[pid 17081] close(3)                    = 0
[pid 17081] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17081] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.206568][T17077] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17081] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17081] close(5)                    = 0
[pid 17081] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17084 attached
) = 17084
[pid 17081] tkill(17084, SIGSTOP)       = 0
[pid 17084] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17081, si_uid=65534} ---
[pid 17081] exit_group(0 <unfinished ...>
[pid 17084] --- stopped by SIGSTOP ---
[pid 17081] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17084, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17081] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17081, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17085 attached
, child_tidptr=0x5555574e8650) = 17085
[pid 17085] set_robust_list(0x5555574e8660, 24) = 0
[pid 17085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17085] setpgid(0, 0)               = 0
[pid 17085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17085] write(3, "1000", 4)         = 4
[pid 17085] close(3)                    = 0
[pid 17085] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17085] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.263490][T17081] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17085] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17085] close(5)                    = 0
[pid 17085] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17088 attached
) = 17088
[pid 17085] tkill(17088, SIGSTOP)       = 0
[pid 17088] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17085, si_uid=65534} ---
[pid 17085] exit_group(0 <unfinished ...>
[pid 17088] --- stopped by SIGSTOP ---
[pid 17085] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17088, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17085] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17089 attached
, child_tidptr=0x5555574e8650) = 17089
[pid 17089] set_robust_list(0x5555574e8660, 24) = 0
[pid 17089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17089] setpgid(0, 0)               = 0
[pid 17089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17089] write(3, "1000", 4)         = 4
[pid 17089] close(3)                    = 0
[pid 17089] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17089] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.322105][T17085] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17089] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17089] close(5)                    = 0
[pid 17089] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17092 attached
) = 17092
[pid 17089] tkill(17092, SIGSTOP)       = 0
[pid 17092] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17089, si_uid=65534} ---
[pid 17089] exit_group(0 <unfinished ...>
[pid 17092] --- stopped by SIGSTOP ---
[pid 17089] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17092, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17089] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17093 attached
, child_tidptr=0x5555574e8650) = 17093
[pid 17093] set_robust_list(0x5555574e8660, 24) = 0
[pid 17093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17093] setpgid(0, 0)               = 0
[pid 17093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17093] write(3, "1000", 4)         = 4
[pid 17093] close(3)                    = 0
[pid 17093] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17093] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.384079][T17089] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17093] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17093] close(5)                    = 0
[pid 17093] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17096 attached
) = 17096
[pid 17093] tkill(17096, SIGSTOP)       = 0
[pid 17096] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17093, si_uid=65534} ---
[pid 17093] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17096, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17096] --- stopped by SIGSTOP ---
[pid 17093] <... exit_group resumed>)   = ?
[pid 17093] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17097 attached
, child_tidptr=0x5555574e8650) = 17097
[pid 17097] set_robust_list(0x5555574e8660, 24) = 0
[pid 17097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17097] setpgid(0, 0)               = 0
[pid 17097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17097] write(3, "1000", 4)         = 4
[pid 17097] close(3)                    = 0
[pid 17097] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17097] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.442773][T17093] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17097] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17097] close(5)                    = 0
[pid 17097] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17100 attached
) = 17100
[pid 17097] tkill(17100, SIGSTOP)       = 0
[pid 17100] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17097, si_uid=65534} ---
[pid 17097] exit_group(0 <unfinished ...>
[pid 17100] --- stopped by SIGSTOP ---
[pid 17097] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17100, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17097] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17097, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17101 attached
, child_tidptr=0x5555574e8650) = 17101
[pid 17101] set_robust_list(0x5555574e8660, 24) = 0
[pid 17101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17101] setpgid(0, 0)               = 0
[pid 17101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17101] write(3, "1000", 4)         = 4
[pid 17101] close(3)                    = 0
[  225.502994][T17097] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17101] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17101] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17101] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17101] close(5)                    = 0
[pid 17101] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17104 attached
) = 17104
[pid 17101] tkill(17104, SIGSTOP)       = 0
[pid 17104] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17101, si_uid=65534} ---
[pid 17101] exit_group(0 <unfinished ...>
[pid 17104] --- stopped by SIGSTOP ---
[pid 17101] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17104, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17101] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17105 attached
, child_tidptr=0x5555574e8650) = 17105
[pid 17105] set_robust_list(0x5555574e8660, 24) = 0
[pid 17105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17105] setpgid(0, 0)               = 0
[pid 17105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17105] write(3, "1000", 4)         = 4
[pid 17105] close(3)                    = 0
[pid 17105] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17105] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.572488][T17101] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17105] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17105] close(5)                    = 0
[pid 17105] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17108 attached
) = 17108
[pid 17105] tkill(17108, SIGSTOP)       = 0
[pid 17108] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17105, si_uid=65534} ---
[pid 17105] exit_group(0 <unfinished ...>
[pid 17108] --- stopped by SIGSTOP ---
[pid 17105] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17108, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17105] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17109 attached
, child_tidptr=0x5555574e8650) = 17109
[pid 17109] set_robust_list(0x5555574e8660, 24) = 0
[pid 17109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17109] setpgid(0, 0)               = 0
[pid 17109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17109] write(3, "1000", 4)         = 4
[pid 17109] close(3)                    = 0
[  225.629597][T17105] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17109] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17109] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17109] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17109] close(5)                    = 0
[pid 17109] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17112 attached
) = 17112
[pid 17109] tkill(17112, SIGSTOP)       = 0
[pid 17112] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17109, si_uid=65534} ---
[pid 17109] exit_group(0 <unfinished ...>
[pid 17112] --- stopped by SIGSTOP ---
[pid 17109] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17112, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17109] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17113 attached
, child_tidptr=0x5555574e8650) = 17113
[pid 17113] set_robust_list(0x5555574e8660, 24) = 0
[pid 17113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17113] setpgid(0, 0)               = 0
[pid 17113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17113] write(3, "1000", 4)         = 4
[pid 17113] close(3)                    = 0
[pid 17113] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17113] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.697817][T17109] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17113] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17113] close(5)                    = 0
[pid 17113] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17116 attached
) = 17116
[pid 17113] tkill(17116, SIGSTOP)       = 0
[pid 17116] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17113, si_uid=65534} ---
[pid 17113] exit_group(0 <unfinished ...>
[pid 17116] --- stopped by SIGSTOP ---
[pid 17113] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17116, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17113] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17117 attached
, child_tidptr=0x5555574e8650) = 17117
[pid 17117] set_robust_list(0x5555574e8660, 24) = 0
[pid 17117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17117] setpgid(0, 0)               = 0
[pid 17117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17117] write(3, "1000", 4)         = 4
[pid 17117] close(3)                    = 0
[pid 17117] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17117] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.756311][T17113] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17117] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17117] close(5)                    = 0
[pid 17117] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17120 attached
) = 17120
[pid 17117] tkill(17120, SIGSTOP)       = 0
[pid 17117] exit_group(0 <unfinished ...>
[pid 17120] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17117, si_uid=65534} ---
[pid 17117] <... exit_group resumed>)   = ?
[pid 17120] --- stopped by SIGSTOP ---
[pid 17117] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17120, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17121 attached
, child_tidptr=0x5555574e8650) = 17121
[pid 17121] set_robust_list(0x5555574e8660, 24) = 0
[pid 17121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17121] setpgid(0, 0)               = 0
[pid 17121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17121] write(3, "1000", 4)         = 4
[pid 17121] close(3)                    = 0
[pid 17121] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17121] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.816945][T17117] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17121] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17121] close(5)                    = 0
[pid 17121] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17124 attached
) = 17124
[pid 17121] tkill(17124, SIGSTOP)       = 0
[pid 17124] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17121, si_uid=65534} ---
[pid 17121] exit_group(0 <unfinished ...>
[pid 17124] --- stopped by SIGSTOP ---
[pid 17121] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17124, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17121] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17125 attached
, child_tidptr=0x5555574e8650) = 17125
[pid 17125] set_robust_list(0x5555574e8660, 24) = 0
[pid 17125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17125] setpgid(0, 0)               = 0
[pid 17125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17125] write(3, "1000", 4)         = 4
[pid 17125] close(3)                    = 0
[pid 17125] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  225.872545][T17121] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17125] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17125] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17125] close(5)                    = 0
[pid 17125] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17128 attached
) = 17128
[pid 17125] tkill(17128, SIGSTOP)       = 0
[pid 17128] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17125, si_uid=65534} ---
[pid 17125] exit_group(0 <unfinished ...>
[pid 17128] --- stopped by SIGSTOP ---
[pid 17125] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17128, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17125] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17129 attached
, child_tidptr=0x5555574e8650) = 17129
[pid 17129] set_robust_list(0x5555574e8660, 24) = 0
[pid 17129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17129] setpgid(0, 0)               = 0
[pid 17129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17129] write(3, "1000", 4)         = 4
[pid 17129] close(3)                    = 0
[pid 17129] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17129] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  225.939543][T17125] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17129] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17129] close(5)                    = 0
[pid 17129] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17132 attached
) = 17132
[pid 17129] tkill(17132, SIGSTOP)       = 0
[pid 17132] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17129, si_uid=65534} ---
[pid 17129] exit_group(0 <unfinished ...>
[pid 17132] --- stopped by SIGSTOP ---
[pid 17129] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17132, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17129] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17133 attached
, child_tidptr=0x5555574e8650) = 17133
[pid 17133] set_robust_list(0x5555574e8660, 24) = 0
[pid 17133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17133] setpgid(0, 0)               = 0
[pid 17133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17133] write(3, "1000", 4)         = 4
[pid 17133] close(3)                    = 0
[pid 17133] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17133] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.000412][T17129] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17133] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17133] close(5)                    = 0
[pid 17133] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17136 attached
) = 17136
[pid 17133] tkill(17136, SIGSTOP)       = 0
[pid 17136] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17133, si_uid=65534} ---
[pid 17133] exit_group(0 <unfinished ...>
[pid 17136] --- stopped by SIGSTOP ---
[pid 17133] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17136, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17133] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17137 attached
, child_tidptr=0x5555574e8650) = 17137
[pid 17137] set_robust_list(0x5555574e8660, 24) = 0
[pid 17137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17137] setpgid(0, 0)               = 0
[pid 17137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17137] write(3, "1000", 4)         = 4
[pid 17137] close(3)                    = 0
[pid 17137] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17137] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.062102][T17133] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17137] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17137] close(5)                    = 0
[pid 17137] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17140 attached
) = 17140
[pid 17137] tkill(17140, SIGSTOP)       = 0
[pid 17140] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17137, si_uid=65534} ---
[pid 17137] exit_group(0 <unfinished ...>
[pid 17140] --- stopped by SIGSTOP ---
[pid 17137] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17140, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17137] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17137, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17141 attached
, child_tidptr=0x5555574e8650) = 17141
[pid 17141] set_robust_list(0x5555574e8660, 24) = 0
[pid 17141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17141] setpgid(0, 0)               = 0
[  226.123353][T17137] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17141] write(3, "1000", 4)         = 4
[pid 17141] close(3)                    = 0
[pid 17141] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17141] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17141] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17141] close(5)                    = 0
[pid 17141] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17144 attached
) = 17144
[pid 17141] tkill(17144, SIGSTOP)       = 0
[pid 17144] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17141, si_uid=65534} ---
[pid 17141] exit_group(0 <unfinished ...>
[pid 17144] --- stopped by SIGSTOP ---
[pid 17141] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17144, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17141] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17145 attached
, child_tidptr=0x5555574e8650) = 17145
[pid 17145] set_robust_list(0x5555574e8660, 24) = 0
[pid 17145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17145] setpgid(0, 0)               = 0
[pid 17145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17145] write(3, "1000", 4)         = 4
[pid 17145] close(3)                    = 0
[pid 17145] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  226.201194][T17141] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17145] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17145] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17145] close(5)                    = 0
[pid 17145] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17148 attached
) = 17148
[pid 17145] tkill(17148, SIGSTOP)       = 0
[pid 17148] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17145, si_uid=65534} ---
[pid 17145] exit_group(0 <unfinished ...>
[pid 17148] --- stopped by SIGSTOP ---
[pid 17145] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17148, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17145] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17149 attached
, child_tidptr=0x5555574e8650) = 17149
[pid 17149] set_robust_list(0x5555574e8660, 24) = 0
[pid 17149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17149] setpgid(0, 0)               = 0
[pid 17149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17149] write(3, "1000", 4)         = 4
[pid 17149] close(3)                    = 0
[pid 17149] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17149] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.267392][T17145] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17149] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17149] close(5)                    = 0
[pid 17149] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17152 attached
) = 17152
[pid 17149] tkill(17152, SIGSTOP)       = 0
[pid 17152] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17149, si_uid=65534} ---
[pid 17152] --- stopped by SIGSTOP ---
[pid 17149] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17152, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17149] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17153 attached
, child_tidptr=0x5555574e8650) = 17153
[pid 17153] set_robust_list(0x5555574e8660, 24) = 0
[pid 17153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17153] setpgid(0, 0)               = 0
[pid 17153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17153] write(3, "1000", 4)         = 4
[  226.327472][T17149] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17153] close(3)                    = 0
[pid 17153] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17153] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17153] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17153] close(5)                    = 0
[pid 17153] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17156 attached
) = 17156
[pid 17153] tkill(17156, SIGSTOP)       = 0
[pid 17156] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17153, si_uid=65534} ---
[pid 17153] exit_group(0 <unfinished ...>
[pid 17156] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17156, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17153] <... exit_group resumed>)   = ?
[pid 17153] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17157 attached
, child_tidptr=0x5555574e8650) = 17157
[pid 17157] set_robust_list(0x5555574e8660, 24) = 0
[pid 17157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17157] setpgid(0, 0)               = 0
[pid 17157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17157] write(3, "1000", 4)         = 4
[pid 17157] close(3)                    = 0
[pid 17157] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17157] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.397938][T17153] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17157] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17157] close(5)                    = 0
[pid 17157] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17160 attached
) = 17160
[pid 17157] tkill(17160, SIGSTOP)       = 0
[pid 17160] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17157, si_uid=65534} ---
[pid 17157] exit_group(0 <unfinished ...>
[pid 17160] --- stopped by SIGSTOP ---
[pid 17157] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17160, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17157] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17157, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17161 attached
, child_tidptr=0x5555574e8650) = 17161
[pid 17161] set_robust_list(0x5555574e8660, 24) = 0
[pid 17161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17161] setpgid(0, 0)               = 0
[pid 17161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17161] write(3, "1000", 4)         = 4
[pid 17161] close(3)                    = 0
[  226.457551][T17157] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17161] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17161] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17161] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17161] close(5)                    = 0
[pid 17161] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17164 attached
) = 17164
[pid 17161] tkill(17164, SIGSTOP)       = 0
[pid 17164] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17161, si_uid=65534} ---
[pid 17161] exit_group(0 <unfinished ...>
[pid 17164] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17164, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17161] <... exit_group resumed>)   = ?
[pid 17161] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17165 attached
, child_tidptr=0x5555574e8650) = 17165
[pid 17165] set_robust_list(0x5555574e8660, 24) = 0
[pid 17165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17165] setpgid(0, 0)               = 0
[pid 17165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17165] write(3, "1000", 4)         = 4
[pid 17165] close(3)                    = 0
[pid 17165] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17165] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.525122][T17161] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17165] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17165] close(5)                    = 0
[pid 17165] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17168 attached
) = 17168
[pid 17165] tkill(17168, SIGSTOP)       = 0
[pid 17168] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17165, si_uid=65534} ---
[pid 17165] exit_group(0 <unfinished ...>
[pid 17168] --- stopped by SIGSTOP ---
[pid 17165] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17168, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17165] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17169 attached
, child_tidptr=0x5555574e8650) = 17169
[pid 17169] set_robust_list(0x5555574e8660, 24) = 0
[pid 17169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17169] setpgid(0, 0)               = 0
[pid 17169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17169] write(3, "1000", 4)         = 4
[pid 17169] close(3)                    = 0
[pid 17169] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17169] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.587057][T17165] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17169] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17169] close(5)                    = 0
[pid 17169] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17172 attached
) = 17172
[pid 17169] tkill(17172, SIGSTOP)       = 0
[pid 17172] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17169, si_uid=65534} ---
[pid 17172] --- stopped by SIGSTOP ---
[pid 17169] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17172, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17169] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17169] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17173 attached
, child_tidptr=0x5555574e8650) = 17173
[pid 17173] set_robust_list(0x5555574e8660, 24) = 0
[pid 17173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17173] setpgid(0, 0)               = 0
[pid 17173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17173] write(3, "1000", 4)         = 4
[  226.648507][T17169] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17173] close(3)                    = 0
[pid 17173] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17173] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17173] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17173] close(5)                    = 0
[pid 17173] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17176 attached
) = 17176
[pid 17173] tkill(17176, SIGSTOP)       = 0
[pid 17173] exit_group(0 <unfinished ...>
[pid 17176] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17173, si_uid=65534} ---
[pid 17173] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17176, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17176] --- stopped by SIGSTOP ---
[pid 17173] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17177 attached
, child_tidptr=0x5555574e8650) = 17177
[pid 17177] set_robust_list(0x5555574e8660, 24) = 0
[pid 17177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17177] setpgid(0, 0)               = 0
[pid 17177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17177] write(3, "1000", 4)         = 4
[pid 17177] close(3)                    = 0
[pid 17177] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17177] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.719473][T17173] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17177] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17177] close(5)                    = 0
[pid 17177] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17180 attached
) = 17180
[pid 17177] tkill(17180, SIGSTOP)       = 0
[pid 17180] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17177, si_uid=65534} ---
[pid 17177] exit_group(0 <unfinished ...>
[pid 17180] --- stopped by SIGSTOP ---
[pid 17177] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17180, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17177] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17181 attached
, child_tidptr=0x5555574e8650) = 17181
[pid 17181] set_robust_list(0x5555574e8660, 24) = 0
[pid 17181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17181] setpgid(0, 0)               = 0
[pid 17181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17181] write(3, "1000", 4)         = 4
[pid 17181] close(3)                    = 0
[pid 17181] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17181] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.778915][T17177] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17181] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17181] close(5)                    = 0
[pid 17181] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17184 attached
) = 17184
[pid 17181] tkill(17184, SIGSTOP)       = 0
[pid 17184] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17181, si_uid=65534} ---
[pid 17181] exit_group(0 <unfinished ...>
[pid 17184] --- stopped by SIGSTOP ---
[pid 17181] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17184, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17181] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17185 attached
, child_tidptr=0x5555574e8650) = 17185
[pid 17185] set_robust_list(0x5555574e8660, 24) = 0
[pid 17185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17185] setpgid(0, 0)               = 0
[pid 17185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17185] write(3, "1000", 4)         = 4
[  226.839606][T17181] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17185] close(3)                    = 0
[pid 17185] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17185] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17185] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17185] close(5)                    = 0
[pid 17185] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17188 attached
) = 17188
[pid 17185] tkill(17188, SIGSTOP)       = 0
[pid 17185] exit_group(0 <unfinished ...>
[pid 17188] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17185, si_uid=65534} ---
[pid 17185] <... exit_group resumed>)   = ?
[pid 17188] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17188, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17185] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17189 attached
, child_tidptr=0x5555574e8650) = 17189
[pid 17189] set_robust_list(0x5555574e8660, 24) = 0
[pid 17189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17189] setpgid(0, 0)               = 0
[pid 17189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17189] write(3, "1000", 4)         = 4
[pid 17189] close(3)                    = 0
[pid 17189] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17189] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  226.909178][T17185] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17189] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17189] close(5)                    = 0
[pid 17189] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17192 attached
) = 17192
[pid 17189] tkill(17192, SIGSTOP)       = 0
[pid 17192] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17189, si_uid=65534} ---
[pid 17189] exit_group(0 <unfinished ...>
[pid 17192] --- stopped by SIGSTOP ---
[pid 17189] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17192, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17189] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17189, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17193 attached
, child_tidptr=0x5555574e8650) = 17193
[pid 17193] set_robust_list(0x5555574e8660, 24) = 0
[pid 17193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17193] setpgid(0, 0)               = 0
[pid 17193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  226.971762][T17189] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17193] write(3, "1000", 4)         = 4
[pid 17193] close(3)                    = 0
[pid 17193] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17193] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17193] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17193] close(5)                    = 0
[pid 17193] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17196 attached
) = 17196
[pid 17193] tkill(17196, SIGSTOP)       = 0
[pid 17196] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17193, si_uid=65534} ---
[pid 17193] exit_group(0 <unfinished ...>
[pid 17196] --- stopped by SIGSTOP ---
[pid 17193] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17196, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17193] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17197 attached
, child_tidptr=0x5555574e8650) = 17197
[pid 17197] set_robust_list(0x5555574e8660, 24) = 0
[pid 17197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17197] setpgid(0, 0)               = 0
[pid 17197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17197] write(3, "1000", 4)         = 4
[pid 17197] close(3)                    = 0
[pid 17197] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17197] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.044525][T17193] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17197] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17197] close(5)                    = 0
[pid 17197] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17200 attached
) = 17200
[pid 17197] tkill(17200, SIGSTOP)       = 0
[pid 17200] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17197, si_uid=65534} ---
[pid 17197] exit_group(0 <unfinished ...>
[pid 17200] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17200, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17197] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17197] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17197, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17201 attached
, child_tidptr=0x5555574e8650) = 17201
[pid 17201] set_robust_list(0x5555574e8660, 24) = 0
[pid 17201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17201] setpgid(0, 0)               = 0
[pid 17201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17201] write(3, "1000", 4)         = 4
[pid 17201] close(3)                    = 0
[pid 17201] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17201] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.103060][T17197] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17201] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17201] close(5)                    = 0
[pid 17201] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17204 attached
) = 17204
[pid 17201] tkill(17204, SIGSTOP)       = 0
[pid 17204] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17201, si_uid=65534} ---
[pid 17201] exit_group(0 <unfinished ...>
[pid 17204] --- stopped by SIGSTOP ---
[pid 17201] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17204, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17201] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17201, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17205 attached
, child_tidptr=0x5555574e8650) = 17205
[pid 17205] set_robust_list(0x5555574e8660, 24) = 0
[pid 17205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17205] setpgid(0, 0)               = 0
[pid 17205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17205] write(3, "1000", 4)         = 4
[pid 17205] close(3)                    = 0
[pid 17205] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17205] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.164913][T17201] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17205] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17205] close(5)                    = 0
[pid 17205] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17208 attached
) = 17208
[pid 17205] tkill(17208, SIGSTOP)       = 0
[pid 17208] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17205, si_uid=65534} ---
[pid 17205] exit_group(0 <unfinished ...>
[pid 17208] --- stopped by SIGSTOP ---
[pid 17205] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17208, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17205] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17209 attached
, child_tidptr=0x5555574e8650) = 17209
[pid 17209] set_robust_list(0x5555574e8660, 24) = 0
[pid 17209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17209] setpgid(0, 0)               = 0
[pid 17209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17209] write(3, "1000", 4)         = 4
[pid 17209] close(3)                    = 0
[pid 17209] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17209] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.227367][T17205] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17209] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17209] close(5)                    = 0
[pid 17209] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17212 attached
) = 17212
[pid 17209] tkill(17212, SIGSTOP)       = 0
[pid 17212] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17209, si_uid=65534} ---
[pid 17212] --- stopped by SIGSTOP ---
[pid 17209] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17212, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17209] <... exit_group resumed>)   = ?
[pid 17209] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17213 attached
, child_tidptr=0x5555574e8650) = 17213
[pid 17213] set_robust_list(0x5555574e8660, 24) = 0
[pid 17213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17213] setpgid(0, 0)               = 0
[pid 17213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17213] write(3, "1000", 4)         = 4
[pid 17213] close(3)                    = 0
[pid 17213] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17213] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.287261][T17209] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17213] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17213] close(5)                    = 0
[pid 17213] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17216 attached
) = 17216
[pid 17213] tkill(17216, SIGSTOP)       = 0
[pid 17213] exit_group(0 <unfinished ...>
[pid 17216] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17213, si_uid=65534} ---
[pid 17213] <... exit_group resumed>)   = ?
[pid 17216] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17216, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17213] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17213, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17217 attached
, child_tidptr=0x5555574e8650) = 17217
[pid 17217] set_robust_list(0x5555574e8660, 24) = 0
[pid 17217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17217] setpgid(0, 0)               = 0
[pid 17217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17217] write(3, "1000", 4)         = 4
[pid 17217] close(3)                    = 0
[pid 17217] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17217] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.343541][T17213] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17217] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17217] close(5)                    = 0
[pid 17217] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17220 attached
) = 17220
[pid 17217] tkill(17220, SIGSTOP)       = 0
[pid 17217] exit_group(0 <unfinished ...>
[pid 17220] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17217, si_uid=65534} ---
[pid 17217] <... exit_group resumed>)   = ?
[pid 17220] --- stopped by SIGSTOP ---
[pid 17217] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17220, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17221 attached
, child_tidptr=0x5555574e8650) = 17221
[pid 17221] set_robust_list(0x5555574e8660, 24) = 0
[pid 17221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17221] setpgid(0, 0)               = 0
[pid 17221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17221] write(3, "1000", 4)         = 4
[pid 17221] close(3)                    = 0
[pid 17221] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17221] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.401042][T17217] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17221] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17221] close(5)                    = 0
[pid 17221] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17224 attached
) = 17224
[pid 17221] tkill(17224, SIGSTOP)       = 0
[pid 17224] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17221, si_uid=65534} ---
[pid 17221] exit_group(0 <unfinished ...>
[pid 17224] --- stopped by SIGSTOP ---
[pid 17221] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17224, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17221] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17225 attached
, child_tidptr=0x5555574e8650) = 17225
[pid 17225] set_robust_list(0x5555574e8660, 24) = 0
[pid 17225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17225] setpgid(0, 0)               = 0
[pid 17225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17225] write(3, "1000", 4)         = 4
[pid 17225] close(3)                    = 0
[pid 17225] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17225] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.456947][T17221] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17225] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17225] close(5)                    = 0
[pid 17225] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17228 attached
) = 17228
[pid 17225] tkill(17228, SIGSTOP)       = 0
[pid 17228] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17225, si_uid=65534} ---
[pid 17225] exit_group(0 <unfinished ...>
[pid 17228] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17228, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17225] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17225] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17229 attached
, child_tidptr=0x5555574e8650) = 17229
[pid 17229] set_robust_list(0x5555574e8660, 24) = 0
[pid 17229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17229] setpgid(0, 0)               = 0
[pid 17229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17229] write(3, "1000", 4)         = 4
[pid 17229] close(3)                    = 0
[pid 17229] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  227.518529][T17225] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17229] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17229] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17229] close(5)                    = 0
[pid 17229] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17232 attached
) = 17232
[pid 17229] tkill(17232, SIGSTOP)       = 0
[pid 17229] exit_group(0 <unfinished ...>
[pid 17232] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17229, si_uid=65534} ---
[pid 17229] <... exit_group resumed>)   = ?
[pid 17232] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17232, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17229] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17229, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17233 attached
, child_tidptr=0x5555574e8650) = 17233
[pid 17233] set_robust_list(0x5555574e8660, 24) = 0
[pid 17233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17233] setpgid(0, 0)               = 0
[pid 17233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17233] write(3, "1000", 4)         = 4
[pid 17233] close(3)                    = 0
[pid 17233] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17233] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.586460][T17229] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17233] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17233] close(5)                    = 0
[pid 17233] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17236 attached
) = 17236
[pid 17233] tkill(17236, SIGSTOP)       = 0
[pid 17236] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17233, si_uid=65534} ---
[pid 17233] exit_group(0 <unfinished ...>
[pid 17236] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17236, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17233] <... exit_group resumed>)   = ?
[pid 17233] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17237 attached
, child_tidptr=0x5555574e8650) = 17237
[pid 17237] set_robust_list(0x5555574e8660, 24) = 0
[pid 17237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17237] setpgid(0, 0)               = 0
[pid 17237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17237] write(3, "1000", 4)         = 4
[pid 17237] close(3)                    = 0
[pid 17237] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17237] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.645671][T17233] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17237] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17237] close(5)                    = 0
[pid 17237] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17240 attached
) = 17240
[pid 17237] tkill(17240, SIGSTOP)       = 0
[pid 17237] exit_group(0 <unfinished ...>
[pid 17240] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17237, si_uid=65534} ---
[pid 17237] <... exit_group resumed>)   = ?
[pid 17240] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17240, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17237] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17237, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17241 attached
, child_tidptr=0x5555574e8650) = 17241
[pid 17241] set_robust_list(0x5555574e8660, 24) = 0
[pid 17241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17241] setpgid(0, 0)               = 0
[pid 17241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17241] write(3, "1000", 4)         = 4
[pid 17241] close(3)                    = 0
[pid 17241] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17241] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.700187][T17237] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17241] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17241] close(5)                    = 0
[pid 17241] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17244 attached
) = 17244
[pid 17241] tkill(17244, SIGSTOP)       = 0
[pid 17244] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17241, si_uid=65534} ---
[pid 17241] exit_group(0 <unfinished ...>
[pid 17244] --- stopped by SIGSTOP ---
[pid 17241] <... exit_group resumed>)   = ?
[pid 17241] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17244, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17245 attached
, child_tidptr=0x5555574e8650) = 17245
[pid 17245] set_robust_list(0x5555574e8660, 24) = 0
[pid 17245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17245] setpgid(0, 0)               = 0
[pid 17245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17245] write(3, "1000", 4)         = 4
[pid 17245] close(3)                    = 0
[pid 17245] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17245] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.759879][T17241] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17245] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17245] close(5)                    = 0
[pid 17245] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17248 attached
) = 17248
[pid 17245] tkill(17248, SIGSTOP)       = 0
[pid 17248] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17245, si_uid=65534} ---
[pid 17245] exit_group(0 <unfinished ...>
[pid 17248] --- stopped by SIGSTOP ---
[pid 17245] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17248, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17245] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17249 attached
, child_tidptr=0x5555574e8650) = 17249
[pid 17249] set_robust_list(0x5555574e8660, 24) = 0
[pid 17249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17249] setpgid(0, 0)               = 0
[pid 17249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17249] write(3, "1000", 4)         = 4
[pid 17249] close(3)                    = 0
[  227.819590][T17245] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17249] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17249] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17249] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17249] close(5)                    = 0
[pid 17249] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17252 attached
) = 17252
[pid 17249] tkill(17252, SIGSTOP)       = 0
[pid 17252] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17249, si_uid=65534} ---
[pid 17249] exit_group(0 <unfinished ...>
[pid 17252] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17252, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17249] <... exit_group resumed>)   = ?
[pid 17249] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17253 attached
, child_tidptr=0x5555574e8650) = 17253
[pid 17253] set_robust_list(0x5555574e8660, 24) = 0
[pid 17253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17253] setpgid(0, 0)               = 0
[pid 17253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17253] write(3, "1000", 4)         = 4
[pid 17253] close(3)                    = 0
[pid 17253] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17253] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.890131][T17249] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17253] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17253] close(5)                    = 0
[pid 17253] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17256 attached
) = 17256
[pid 17253] tkill(17256, SIGSTOP)       = 0
[pid 17256] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17253, si_uid=65534} ---
[pid 17253] exit_group(0 <unfinished ...>
[pid 17256] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17256, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17253] <... exit_group resumed>)   = ?
[pid 17253] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17257 attached
, child_tidptr=0x5555574e8650) = 17257
[pid 17257] set_robust_list(0x5555574e8660, 24) = 0
[pid 17257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17257] setpgid(0, 0)               = 0
[pid 17257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17257] write(3, "1000", 4)         = 4
[pid 17257] close(3)                    = 0
[pid 17257] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17257] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  227.950429][T17253] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17257] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17257] close(5)                    = 0
[pid 17257] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17260 attached
) = 17260
[pid 17257] tkill(17260, SIGSTOP)       = 0
[pid 17260] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17257, si_uid=65534} ---
[pid 17257] exit_group(0 <unfinished ...>
[pid 17260] --- stopped by SIGSTOP ---
[pid 17257] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17260, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17257] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17261 attached
, child_tidptr=0x5555574e8650) = 17261
[pid 17261] set_robust_list(0x5555574e8660, 24) = 0
[pid 17261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17261] setpgid(0, 0)               = 0
[pid 17261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17261] write(3, "1000", 4)         = 4
[pid 17261] close(3)                    = 0
[pid 17261] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17261] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.008042][T17257] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17261] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17261] close(5)                    = 0
[pid 17261] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17264 attached
) = 17264
[pid 17261] tkill(17264, SIGSTOP)       = 0
[pid 17264] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17261, si_uid=65534} ---
[pid 17261] exit_group(0 <unfinished ...>
[pid 17264] --- stopped by SIGSTOP ---
[pid 17261] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17264, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17261] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17265 attached
, child_tidptr=0x5555574e8650) = 17265
[pid 17265] set_robust_list(0x5555574e8660, 24) = 0
[pid 17265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17265] setpgid(0, 0)               = 0
[  228.066567][T17261] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17265] write(3, "1000", 4)         = 4
[pid 17265] close(3)                    = 0
[pid 17265] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17265] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17265] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17265] close(5)                    = 0
[pid 17265] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17268 attached
) = 17268
[pid 17265] tkill(17268, SIGSTOP)       = 0
[pid 17265] exit_group(0 <unfinished ...>
[pid 17268] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17265, si_uid=65534} ---
[pid 17265] <... exit_group resumed>)   = ?
[pid 17268] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17268, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17265] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17265, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17269 attached
, child_tidptr=0x5555574e8650) = 17269
[pid 17269] set_robust_list(0x5555574e8660, 24) = 0
[pid 17269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17269] setpgid(0, 0)               = 0
[pid 17269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17269] write(3, "1000", 4)         = 4
[pid 17269] close(3)                    = 0
[  228.144105][T17265] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17269] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17269] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17269] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17269] close(5)                    = 0
[pid 17269] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17272 attached
) = 17272
[pid 17269] tkill(17272, SIGSTOP)       = 0
[pid 17272] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17269, si_uid=65534} ---
[pid 17269] exit_group(0 <unfinished ...>
[pid 17272] --- stopped by SIGSTOP ---
[pid 17269] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17272, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17269] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17269, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17273 attached
, child_tidptr=0x5555574e8650) = 17273
[pid 17273] set_robust_list(0x5555574e8660, 24) = 0
[pid 17273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17273] setpgid(0, 0)               = 0
[pid 17273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17273] write(3, "1000", 4)         = 4
[pid 17273] close(3)                    = 0
[pid 17273] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17273] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.213599][T17269] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17273] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17273] close(5)                    = 0
[pid 17273] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17276 attached
) = 17276
[pid 17273] tkill(17276, SIGSTOP)       = 0
[pid 17276] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17273, si_uid=65534} ---
[pid 17273] exit_group(0 <unfinished ...>
[pid 17276] --- stopped by SIGSTOP ---
[pid 17273] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17276, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17273] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17273, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17277 attached
, child_tidptr=0x5555574e8650) = 17277
[pid 17277] set_robust_list(0x5555574e8660, 24) = 0
[pid 17277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17277] setpgid(0, 0)               = 0
[pid 17277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17277] write(3, "1000", 4)         = 4
[pid 17277] close(3)                    = 0
[pid 17277] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17277] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.274471][T17273] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17277] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17277] close(5)                    = 0
[pid 17277] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17280 attached
) = 17280
[pid 17277] tkill(17280, SIGSTOP)       = 0
[pid 17280] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17277, si_uid=65534} ---
[pid 17277] exit_group(0 <unfinished ...>
[pid 17280] --- stopped by SIGSTOP ---
[pid 17277] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17280, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17277] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17281 attached
, child_tidptr=0x5555574e8650) = 17281
[pid 17281] set_robust_list(0x5555574e8660, 24) = 0
[pid 17281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17281] setpgid(0, 0)               = 0
[pid 17281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17281] write(3, "1000", 4)         = 4
[pid 17281] close(3)                    = 0
[pid 17281] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17281] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.329884][T17277] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17281] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17281] close(5)                    = 0
[pid 17281] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17284 attached
) = 17284
[pid 17281] tkill(17284, SIGSTOP)       = 0
[pid 17284] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17281, si_uid=65534} ---
[pid 17281] exit_group(0 <unfinished ...>
[pid 17284] --- stopped by SIGSTOP ---
[pid 17281] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17284, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17281] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17285 attached
, child_tidptr=0x5555574e8650) = 17285
[pid 17285] set_robust_list(0x5555574e8660, 24) = 0
[pid 17285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17285] setpgid(0, 0)               = 0
[pid 17285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17285] write(3, "1000", 4)         = 4
[pid 17285] close(3)                    = 0
[pid 17285] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17285] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.387398][T17281] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17285] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17285] close(5)                    = 0
[pid 17285] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17288 attached
) = 17288
[pid 17285] tkill(17288, SIGSTOP)       = 0
[pid 17288] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17285, si_uid=65534} ---
[pid 17285] exit_group(0 <unfinished ...>
[pid 17288] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17288, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17285] <... exit_group resumed>)   = ?
[pid 17285] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17289 attached
, child_tidptr=0x5555574e8650) = 17289
[pid 17289] set_robust_list(0x5555574e8660, 24) = 0
[pid 17289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17289] setpgid(0, 0)               = 0
[pid 17289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17289] write(3, "1000", 4)         = 4
[pid 17289] close(3)                    = 0
[pid 17289] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17289] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.445750][T17285] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17289] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17289] close(5)                    = 0
[pid 17289] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17292 attached
) = 17292
[pid 17289] tkill(17292, SIGSTOP)       = 0
[pid 17292] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17289, si_uid=65534} ---
[pid 17289] exit_group(0 <unfinished ...>
[pid 17292] --- stopped by SIGSTOP ---
[pid 17289] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17292, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17289] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17293 attached
, child_tidptr=0x5555574e8650) = 17293
[pid 17293] set_robust_list(0x5555574e8660, 24) = 0
[pid 17293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17293] setpgid(0, 0)               = 0
[pid 17293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17293] write(3, "1000", 4)         = 4
[pid 17293] close(3)                    = 0
[pid 17293] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17293] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.506641][T17289] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17293] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17293] close(5)                    = 0
[pid 17293] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17296 attached
) = 17296
[pid 17293] tkill(17296, SIGSTOP)       = 0
[pid 17296] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17293, si_uid=65534} ---
[pid 17293] exit_group(0 <unfinished ...>
[pid 17296] --- stopped by SIGSTOP ---
[pid 17293] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17296, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17293] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17297 attached
, child_tidptr=0x5555574e8650) = 17297
[pid 17297] set_robust_list(0x5555574e8660, 24) = 0
[pid 17297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17297] setpgid(0, 0)               = 0
[pid 17297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17297] write(3, "1000", 4)         = 4
[pid 17297] close(3)                    = 0
[pid 17297] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17297] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.567631][T17293] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17297] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17297] close(5)                    = 0
[pid 17297] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17300 attached
) = 17300
[pid 17297] tkill(17300, SIGSTOP)       = 0
[pid 17300] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17297, si_uid=65534} ---
[pid 17297] exit_group(0 <unfinished ...>
[pid 17300] --- stopped by SIGSTOP ---
[pid 17297] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17300, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17297] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17301 attached
, child_tidptr=0x5555574e8650) = 17301
[pid 17301] set_robust_list(0x5555574e8660, 24) = 0
[pid 17301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17301] setpgid(0, 0)               = 0
[pid 17301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17301] write(3, "1000", 4)         = 4
[pid 17301] close(3)                    = 0
[pid 17301] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17301] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.627400][T17297] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17301] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17301] close(5)                    = 0
[pid 17301] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17304 attached
) = 17304
[pid 17301] tkill(17304, SIGSTOP)       = 0
[pid 17304] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17301, si_uid=65534} ---
[pid 17301] exit_group(0 <unfinished ...>
[pid 17304] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17304, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17301] <... exit_group resumed>)   = ?
[pid 17301] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17301, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17305 attached
, child_tidptr=0x5555574e8650) = 17305
[pid 17305] set_robust_list(0x5555574e8660, 24) = 0
[pid 17305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17305] setpgid(0, 0)               = 0
[pid 17305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17305] write(3, "1000", 4)         = 4
[pid 17305] close(3)                    = 0
[pid 17305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17305] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.685243][T17301] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17305] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17305] close(5)                    = 0
[pid 17305] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17308 attached
) = 17308
[pid 17305] tkill(17308, SIGSTOP)       = 0
[pid 17308] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17305, si_uid=65534} ---
[pid 17305] exit_group(0 <unfinished ...>
[pid 17308] --- stopped by SIGSTOP ---
[pid 17305] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17308, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17305] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17309 attached
, child_tidptr=0x5555574e8650) = 17309
[pid 17309] set_robust_list(0x5555574e8660, 24) = 0
[pid 17309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17309] setpgid(0, 0)               = 0
[pid 17309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17309] write(3, "1000", 4)         = 4
[pid 17309] close(3)                    = 0
[pid 17309] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17309] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.746896][T17305] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17309] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17309] close(5)                    = 0
[pid 17309] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17312 attached
) = 17312
[pid 17309] tkill(17312, SIGSTOP)       = 0
[pid 17312] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17309, si_uid=65534} ---
[pid 17309] exit_group(0 <unfinished ...>
[pid 17312] --- stopped by SIGSTOP ---
[pid 17309] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17312, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17309] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17313 attached
, child_tidptr=0x5555574e8650) = 17313
[pid 17313] set_robust_list(0x5555574e8660, 24) = 0
[pid 17313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17313] setpgid(0, 0)               = 0
[pid 17313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17313] write(3, "1000", 4)         = 4
[pid 17313] close(3)                    = 0
[pid 17313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17313] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.807940][T17309] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17313] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17313] close(5)                    = 0
[pid 17313] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17316 attached
) = 17316
[pid 17313] tkill(17316, SIGSTOP)       = 0
[pid 17313] exit_group(0 <unfinished ...>
[pid 17316] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17313, si_uid=65534} ---
[pid 17313] <... exit_group resumed>)   = ?
[pid 17316] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17316, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17313] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17317 attached
, child_tidptr=0x5555574e8650) = 17317
[pid 17317] set_robust_list(0x5555574e8660, 24) = 0
[pid 17317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17317] setpgid(0, 0)               = 0
[pid 17317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17317] write(3, "1000", 4)         = 4
[pid 17317] close(3)                    = 0
[pid 17317] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17317] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.867438][T17313] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17317] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17317] close(5)                    = 0
[pid 17317] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17320 attached
) = 17320
[pid 17317] tkill(17320, SIGSTOP)       = 0
[pid 17320] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17317, si_uid=65534} ---
[pid 17317] exit_group(0 <unfinished ...>
[pid 17320] --- stopped by SIGSTOP ---
[pid 17317] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17320, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17317] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17321 attached
, child_tidptr=0x5555574e8650) = 17321
[pid 17321] set_robust_list(0x5555574e8660, 24) = 0
[pid 17321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17321] setpgid(0, 0)               = 0
[pid 17321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17321] write(3, "1000", 4)         = 4
[pid 17321] close(3)                    = 0
[pid 17321] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17321] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.927164][T17317] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17321] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17321] close(5)                    = 0
[pid 17321] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17324 attached
) = 17324
[pid 17321] tkill(17324, SIGSTOP)       = 0
[pid 17324] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17321, si_uid=65534} ---
[pid 17321] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17324, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17324] --- stopped by SIGSTOP ---
[pid 17321] <... exit_group resumed>)   = ?
[pid 17321] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17325 attached
, child_tidptr=0x5555574e8650) = 17325
[pid 17325] set_robust_list(0x5555574e8660, 24) = 0
[pid 17325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17325] setpgid(0, 0)               = 0
[pid 17325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17325] write(3, "1000", 4)         = 4
[pid 17325] close(3)                    = 0
[pid 17325] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17325] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  228.986994][T17321] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17325] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17325] close(5)                    = 0
[pid 17325] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17328 attached
) = 17328
[pid 17325] tkill(17328, SIGSTOP)       = 0
[pid 17328] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17325, si_uid=65534} ---
[pid 17325] exit_group(0 <unfinished ...>
[pid 17328] --- stopped by SIGSTOP ---
[pid 17325] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17328, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17325] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17329 attached
, child_tidptr=0x5555574e8650) = 17329
[pid 17329] set_robust_list(0x5555574e8660, 24) = 0
[pid 17329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17329] setpgid(0, 0)               = 0
[pid 17329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17329] write(3, "1000", 4)         = 4
[pid 17329] close(3)                    = 0
[pid 17329] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17329] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.045955][T17325] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17329] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17329] close(5)                    = 0
[pid 17329] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17332 attached
) = 17332
[pid 17329] tkill(17332, SIGSTOP)       = 0
[pid 17329] exit_group(0 <unfinished ...>
[pid 17332] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17329, si_uid=65534} ---
[pid 17329] <... exit_group resumed>)   = ?
[pid 17332] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17332, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17329] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17333 attached
, child_tidptr=0x5555574e8650) = 17333
[pid 17333] set_robust_list(0x5555574e8660, 24) = 0
[pid 17333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17333] setpgid(0, 0)               = 0
[pid 17333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17333] write(3, "1000", 4)         = 4
[pid 17333] close(3)                    = 0
[pid 17333] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17333] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.107671][T17329] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17333] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17333] close(5)                    = 0
[pid 17333] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17336 attached
) = 17336
[pid 17333] tkill(17336, SIGSTOP)       = 0
[pid 17336] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17333, si_uid=65534} ---
[pid 17333] exit_group(0 <unfinished ...>
[pid 17336] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17336, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17333] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17333] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17337 attached
, child_tidptr=0x5555574e8650) = 17337
[pid 17337] set_robust_list(0x5555574e8660, 24) = 0
[pid 17337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17337] setpgid(0, 0)               = 0
[pid 17337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17337] write(3, "1000", 4)         = 4
[pid 17337] close(3)                    = 0
[pid 17337] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17337] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.169203][T17333] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17337] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17337] close(5)                    = 0
[pid 17337] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17340 attached
) = 17340
[pid 17337] tkill(17340, SIGSTOP)       = 0
[pid 17340] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17337, si_uid=65534} ---
[pid 17337] exit_group(0 <unfinished ...>
[pid 17340] --- stopped by SIGSTOP ---
[pid 17337] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17340, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17337] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17341 attached
, child_tidptr=0x5555574e8650) = 17341
[pid 17341] set_robust_list(0x5555574e8660, 24) = 0
[pid 17341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17341] setpgid(0, 0)               = 0
[pid 17341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17341] write(3, "1000", 4)         = 4
[pid 17341] close(3)                    = 0
[pid 17341] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17341] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.229641][T17337] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17341] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17341] close(5)                    = 0
[pid 17341] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17344 attached
) = 17344
[pid 17341] tkill(17344, SIGSTOP)       = 0
[pid 17341] exit_group(0 <unfinished ...>
[pid 17344] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17341, si_uid=65534} ---
[pid 17341] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17344, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17344] --- stopped by SIGSTOP ---
[pid 17341] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17341, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17345 attached
, child_tidptr=0x5555574e8650) = 17345
[pid 17345] set_robust_list(0x5555574e8660, 24) = 0
[pid 17345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17345] setpgid(0, 0)               = 0
[pid 17345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17345] write(3, "1000", 4)         = 4
[pid 17345] close(3)                    = 0
[pid 17345] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17345] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.293581][T17341] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17345] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17345] close(5)                    = 0
[pid 17345] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17348 attached
) = 17348
[pid 17345] tkill(17348, SIGSTOP)       = 0
[pid 17348] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17345, si_uid=65534} ---
[pid 17345] exit_group(0 <unfinished ...>
[pid 17348] --- stopped by SIGSTOP ---
[pid 17345] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17348, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17345] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17345, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17349 attached
, child_tidptr=0x5555574e8650) = 17349
[pid 17349] set_robust_list(0x5555574e8660, 24) = 0
[pid 17349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  229.353782][T17345] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17349] setpgid(0, 0)               = 0
[pid 17349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17349] write(3, "1000", 4)         = 4
[pid 17349] close(3)                    = 0
[pid 17349] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17349] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17349] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17349] close(5)                    = 0
[pid 17349] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17352 attached
) = 17352
[pid 17349] tkill(17352, SIGSTOP)       = 0
[pid 17349] exit_group(0 <unfinished ...>
[pid 17352] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17349, si_uid=65534} ---
[pid 17349] <... exit_group resumed>)   = ?
[pid 17352] --- stopped by SIGSTOP ---
[pid 17349] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17352, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17353 attached
, child_tidptr=0x5555574e8650) = 17353
[pid 17353] set_robust_list(0x5555574e8660, 24) = 0
[pid 17353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17353] setpgid(0, 0)               = 0
[pid 17353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17353] write(3, "1000", 4)         = 4
[pid 17353] close(3)                    = 0
[  229.435376][T17349] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17353] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17353] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17353] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17353] close(5)                    = 0
[pid 17353] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17356 attached
) = 17356
[pid 17353] tkill(17356, SIGSTOP)       = 0
[pid 17356] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17353, si_uid=65534} ---
[pid 17353] exit_group(0 <unfinished ...>
[pid 17356] --- stopped by SIGSTOP ---
[pid 17353] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17356, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17353] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17353, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17357 attached
, child_tidptr=0x5555574e8650) = 17357
[pid 17357] set_robust_list(0x5555574e8660, 24) = 0
[pid 17357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17357] setpgid(0, 0)               = 0
[pid 17357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17357] write(3, "1000", 4)         = 4
[pid 17357] close(3)                    = 0
[pid 17357] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17357] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.502561][T17353] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17357] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17357] close(5)                    = 0
[pid 17357] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17360 attached
) = 17360
[pid 17357] tkill(17360, SIGSTOP)       = 0
[pid 17357] exit_group(0 <unfinished ...>
[pid 17360] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17357, si_uid=65534} ---
[pid 17357] <... exit_group resumed>)   = ?
[pid 17360] --- stopped by SIGSTOP ---
[pid 17357] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17360, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17361 attached
, child_tidptr=0x5555574e8650) = 17361
[pid 17361] set_robust_list(0x5555574e8660, 24) = 0
[pid 17361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17361] setpgid(0, 0)               = 0
[pid 17361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17361] write(3, "1000", 4)         = 4
[pid 17361] close(3)                    = 0
[pid 17361] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17361] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.565599][T17357] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17361] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17361] close(5)                    = 0
[pid 17361] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17364 attached
) = 17364
[pid 17361] tkill(17364, SIGSTOP)       = 0
[pid 17361] exit_group(0 <unfinished ...>
[pid 17364] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17361, si_uid=65534} ---
[pid 17361] <... exit_group resumed>)   = ?
[pid 17364] --- stopped by SIGSTOP ---
[pid 17361] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17364, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17365 attached
, child_tidptr=0x5555574e8650) = 17365
[pid 17365] set_robust_list(0x5555574e8660, 24) = 0
[pid 17365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17365] setpgid(0, 0)               = 0
[pid 17365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17365] write(3, "1000", 4)         = 4
[pid 17365] close(3)                    = 0
[pid 17365] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  229.627744][T17361] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17365] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17365] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17365] close(5)                    = 0
[pid 17365] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17368 attached
) = 17368
[pid 17365] tkill(17368, SIGSTOP)       = 0
[pid 17368] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17365, si_uid=65534} ---
[pid 17365] exit_group(0 <unfinished ...>
[pid 17368] --- stopped by SIGSTOP ---
[pid 17365] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17368, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17365] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17365, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17369 attached
, child_tidptr=0x5555574e8650) = 17369
[pid 17369] set_robust_list(0x5555574e8660, 24) = 0
[pid 17369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17369] setpgid(0, 0)               = 0
[pid 17369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17369] write(3, "1000", 4)         = 4
[  229.693970][T17365] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17369] close(3)                    = 0
[pid 17369] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17369] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17369] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17369] close(5)                    = 0
[pid 17369] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17372 attached
) = 17372
[pid 17369] tkill(17372, SIGSTOP)       = 0
[pid 17372] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17369, si_uid=65534} ---
[pid 17369] exit_group(0 <unfinished ...>
[pid 17372] --- stopped by SIGSTOP ---
[pid 17369] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17372, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17369] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17373 attached
, child_tidptr=0x5555574e8650) = 17373
[pid 17373] set_robust_list(0x5555574e8660, 24) = 0
[pid 17373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17373] setpgid(0, 0)               = 0
[pid 17373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17373] write(3, "1000", 4)         = 4
[pid 17373] close(3)                    = 0
[pid 17373] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17373] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.767878][T17369] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17373] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17373] close(5)                    = 0
[pid 17373] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17376 attached
) = 17376
[pid 17373] tkill(17376, SIGSTOP)       = 0
[pid 17376] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17373, si_uid=65534} ---
[pid 17373] exit_group(0 <unfinished ...>
[pid 17376] --- stopped by SIGSTOP ---
[pid 17373] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17376, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17373] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17377 attached
, child_tidptr=0x5555574e8650) = 17377
[pid 17377] set_robust_list(0x5555574e8660, 24) = 0
[pid 17377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17377] setpgid(0, 0)               = 0
[pid 17377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17377] write(3, "1000", 4)         = 4
[pid 17377] close(3)                    = 0
[pid 17377] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17377] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.831257][T17373] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17377] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17377] close(5)                    = 0
[pid 17377] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17380 attached
) = 17380
[pid 17377] tkill(17380, SIGSTOP)       = 0
[pid 17380] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17377, si_uid=65534} ---
[pid 17377] exit_group(0 <unfinished ...>
[pid 17380] --- stopped by SIGSTOP ---
[pid 17377] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17380, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17377] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17381 attached
, child_tidptr=0x5555574e8650) = 17381
[pid 17381] set_robust_list(0x5555574e8660, 24) = 0
[pid 17381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17381] setpgid(0, 0)               = 0
[pid 17381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17381] write(3, "1000", 4)         = 4
[pid 17381] close(3)                    = 0
[pid 17381] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17381] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  229.893480][T17377] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17381] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17381] close(5)                    = 0
[pid 17381] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17384 attached
) = 17384
[pid 17381] tkill(17384, SIGSTOP)       = 0
[pid 17384] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17381, si_uid=65534} ---
[pid 17381] exit_group(0 <unfinished ...>
[pid 17384] --- stopped by SIGSTOP ---
[pid 17381] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17384, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17381] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17385 attached
, child_tidptr=0x5555574e8650) = 17385
[pid 17385] set_robust_list(0x5555574e8660, 24) = 0
[pid 17385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17385] setpgid(0, 0)               = 0
[pid 17385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  229.955483][T17381] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17385] write(3, "1000", 4)         = 4
[pid 17385] close(3)                    = 0
[pid 17385] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17385] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17385] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17385] close(5)                    = 0
[pid 17385] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17388 attached
) = 17388
[pid 17385] tkill(17388, SIGSTOP)       = 0
[pid 17388] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17385, si_uid=65534} ---
[pid 17385] exit_group(0 <unfinished ...>
[pid 17388] --- stopped by SIGSTOP ---
[pid 17385] <... exit_group resumed>)   = ?
[pid 17385] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17388, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17389 attached
, child_tidptr=0x5555574e8650) = 17389
[pid 17389] set_robust_list(0x5555574e8660, 24) = 0
[pid 17389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17389] setpgid(0, 0)               = 0
[pid 17389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17389] write(3, "1000", 4)         = 4
[  230.030852][T17385] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17389] close(3)                    = 0
[pid 17389] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17389] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17389] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17389] close(5)                    = 0
[pid 17389] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17392 attached
) = 17392
[pid 17389] tkill(17392, SIGSTOP)       = 0
[pid 17392] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17389, si_uid=65534} ---
[pid 17389] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17392, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17392] --- stopped by SIGSTOP ---
[pid 17389] <... exit_group resumed>)   = ?
[pid 17389] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17393 attached
, child_tidptr=0x5555574e8650) = 17393
[pid 17393] set_robust_list(0x5555574e8660, 24) = 0
[pid 17393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17393] setpgid(0, 0)               = 0
[pid 17393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17393] write(3, "1000", 4)         = 4
[pid 17393] close(3)                    = 0
[pid 17393] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17393] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.104521][T17389] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17393] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17393] close(5)                    = 0
[pid 17393] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17396 attached
) = 17396
[pid 17393] tkill(17396, SIGSTOP)       = 0
[pid 17396] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17393, si_uid=65534} ---
[pid 17393] exit_group(0 <unfinished ...>
[pid 17396] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17396, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17393] <... exit_group resumed>)   = ?
[pid 17393] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17393, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17397 attached
, child_tidptr=0x5555574e8650) = 17397
[pid 17397] set_robust_list(0x5555574e8660, 24) = 0
[pid 17397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17397] setpgid(0, 0)               = 0
[pid 17397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17397] write(3, "1000", 4)         = 4
[pid 17397] close(3)                    = 0
[pid 17397] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17397] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.163480][T17393] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17397] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17397] close(5)                    = 0
[pid 17397] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17400 attached
) = 17400
[pid 17397] tkill(17400, SIGSTOP)       = 0
[pid 17400] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17397, si_uid=65534} ---
[pid 17397] exit_group(0 <unfinished ...>
[pid 17400] --- stopped by SIGSTOP ---
[pid 17397] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17400, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17397] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17401 attached
, child_tidptr=0x5555574e8650) = 17401
[pid 17401] set_robust_list(0x5555574e8660, 24) = 0
[pid 17401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17401] setpgid(0, 0)               = 0
[pid 17401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17401] write(3, "1000", 4)         = 4
[pid 17401] close(3)                    = 0
[pid 17401] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17401] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.226693][T17397] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17401] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17401] close(5)                    = 0
[pid 17401] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17404 attached
) = 17404
[pid 17401] tkill(17404, SIGSTOP)       = 0
[pid 17404] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17401, si_uid=65534} ---
[pid 17401] exit_group(0 <unfinished ...>
[pid 17404] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17404, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17401] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17401] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17405 attached
, child_tidptr=0x5555574e8650) = 17405
[pid 17405] set_robust_list(0x5555574e8660, 24) = 0
[pid 17405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17405] setpgid(0, 0)               = 0
[pid 17405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17405] write(3, "1000", 4)         = 4
[pid 17405] close(3)                    = 0
[pid 17405] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17405] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.287690][T17401] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17405] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17405] close(5)                    = 0
[pid 17405] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17408 attached
) = 17408
[pid 17405] tkill(17408, SIGSTOP)       = 0
[pid 17408] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17405, si_uid=65534} ---
[pid 17405] exit_group(0 <unfinished ...>
[pid 17408] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17408, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17405] <... exit_group resumed>)   = ?
[pid 17405] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17409 attached
, child_tidptr=0x5555574e8650) = 17409
[pid 17409] set_robust_list(0x5555574e8660, 24) = 0
[pid 17409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17409] setpgid(0, 0)               = 0
[pid 17409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17409] write(3, "1000", 4)         = 4
[pid 17409] close(3)                    = 0
[pid 17409] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17409] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.349452][T17405] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17409] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17409] close(5)                    = 0
[pid 17409] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17412 attached
) = 17412
[pid 17409] tkill(17412, SIGSTOP)       = 0
[pid 17412] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17409, si_uid=65534} ---
[pid 17409] exit_group(0 <unfinished ...>
[pid 17412] --- stopped by SIGSTOP ---
[pid 17409] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17412, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17409] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17409, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17413 attached
, child_tidptr=0x5555574e8650) = 17413
[pid 17413] set_robust_list(0x5555574e8660, 24) = 0
[pid 17413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17413] setpgid(0, 0)               = 0
[pid 17413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17413] write(3, "1000", 4)         = 4
[pid 17413] close(3)                    = 0
[pid 17413] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17413] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.410324][T17409] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17413] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17413] close(5)                    = 0
[pid 17413] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17416 attached
) = 17416
[pid 17413] tkill(17416, SIGSTOP)       = 0
[pid 17416] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17413, si_uid=65534} ---
[pid 17416] --- stopped by SIGSTOP ---
[pid 17413] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17416, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17413] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17417 attached
, child_tidptr=0x5555574e8650) = 17417
[pid 17417] set_robust_list(0x5555574e8660, 24) = 0
[pid 17417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17417] setpgid(0, 0)               = 0
[pid 17417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17417] write(3, "1000", 4)         = 4
[  230.473173][T17413] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17417] close(3)                    = 0
[pid 17417] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17417] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17417] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17417] close(5)                    = 0
[pid 17417] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17420 attached
) = 17420
[pid 17417] tkill(17420, SIGSTOP)       = 0
[pid 17420] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17417, si_uid=65534} ---
[pid 17417] exit_group(0 <unfinished ...>
[pid 17420] --- stopped by SIGSTOP ---
[pid 17417] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17420, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17417] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17421 attached
, child_tidptr=0x5555574e8650) = 17421
[pid 17421] set_robust_list(0x5555574e8660, 24) = 0
[pid 17421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17421] setpgid(0, 0)               = 0
[pid 17421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17421] write(3, "1000", 4)         = 4
[pid 17421] close(3)                    = 0
[pid 17421] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17421] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.548287][T17417] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17421] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17421] close(5)                    = 0
[pid 17421] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17424 attached
) = 17424
[pid 17421] tkill(17424, SIGSTOP)       = 0
[pid 17424] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17421, si_uid=65534} ---
[pid 17421] exit_group(0 <unfinished ...>
[pid 17424] --- stopped by SIGSTOP ---
[pid 17421] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17424, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17421] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17421, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17425 attached
, child_tidptr=0x5555574e8650) = 17425
[pid 17425] set_robust_list(0x5555574e8660, 24) = 0
[pid 17425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17425] setpgid(0, 0)               = 0
[pid 17425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  230.612166][T17421] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17425] write(3, "1000", 4)         = 4
[pid 17425] close(3)                    = 0
[pid 17425] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17425] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17425] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17425] close(5)                    = 0
[pid 17425] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17428 attached
) = 17428
[pid 17425] tkill(17428, SIGSTOP)       = 0
[pid 17428] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17425, si_uid=65534} ---
[pid 17425] exit_group(0 <unfinished ...>
[pid 17428] --- stopped by SIGSTOP ---
[pid 17425] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17428, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17425] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17429 attached
, child_tidptr=0x5555574e8650) = 17429
[pid 17429] set_robust_list(0x5555574e8660, 24) = 0
[pid 17429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17429] setpgid(0, 0)               = 0
[pid 17429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17429] write(3, "1000", 4)         = 4
[pid 17429] close(3)                    = 0
[pid 17429] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17429] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.686829][T17425] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17429] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17429] close(5)                    = 0
[pid 17429] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17432 attached
) = 17432
[pid 17429] tkill(17432, SIGSTOP)       = 0
[pid 17429] exit_group(0)               = ?
[pid 17432] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17429, si_uid=65534} ---
[pid 17432] --- stopped by SIGSTOP ---
[pid 17429] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17432, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17433 attached
, child_tidptr=0x5555574e8650) = 17433
[pid 17433] set_robust_list(0x5555574e8660, 24) = 0
[pid 17433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17433] setpgid(0, 0)               = 0
[pid 17433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17433] write(3, "1000", 4)         = 4
[pid 17433] close(3)                    = 0
[pid 17433] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17433] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.751812][T17429] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17433] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17433] close(5)                    = 0
[pid 17433] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17436 attached
) = 17436
[pid 17433] tkill(17436, SIGSTOP)       = 0
[pid 17436] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17433, si_uid=65534} ---
[pid 17433] exit_group(0 <unfinished ...>
[pid 17436] --- stopped by SIGSTOP ---
[pid 17433] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17436, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17433] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17437 attached
, child_tidptr=0x5555574e8650) = 17437
[pid 17437] set_robust_list(0x5555574e8660, 24) = 0
[pid 17437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17437] setpgid(0, 0)               = 0
[pid 17437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17437] write(3, "1000", 4)         = 4
[pid 17437] close(3)                    = 0
[pid 17437] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17437] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.809366][T17433] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17437] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17437] close(5)                    = 0
[pid 17437] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17440 attached
) = 17440
[pid 17437] tkill(17440, SIGSTOP)       = 0
[pid 17440] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17437, si_uid=65534} ---
[pid 17437] exit_group(0 <unfinished ...>
[pid 17440] --- stopped by SIGSTOP ---
[pid 17437] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17440, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17437] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17437, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17441 attached
, child_tidptr=0x5555574e8650) = 17441
[pid 17441] set_robust_list(0x5555574e8660, 24) = 0
[pid 17441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17441] setpgid(0, 0)               = 0
[pid 17441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17441] write(3, "1000", 4)         = 4
[pid 17441] close(3)                    = 0
[pid 17441] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  230.871979][T17437] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17441] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17441] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17441] close(5)                    = 0
[pid 17441] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17444 attached
) = 17444
[pid 17441] tkill(17444, SIGSTOP)       = 0
[pid 17444] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17441, si_uid=65534} ---
[pid 17441] exit_group(0 <unfinished ...>
[pid 17444] --- stopped by SIGSTOP ---
[pid 17441] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17444, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17441] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17445 attached
, child_tidptr=0x5555574e8650) = 17445
[pid 17445] set_robust_list(0x5555574e8660, 24) = 0
[pid 17445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17445] setpgid(0, 0)               = 0
[pid 17445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17445] write(3, "1000", 4)         = 4
[pid 17445] close(3)                    = 0
[pid 17445] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17445] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  230.939339][T17441] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17445] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17445] close(5)                    = 0
[pid 17445] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17448 attached
) = 17448
[pid 17445] tkill(17448, SIGSTOP)       = 0
[pid 17448] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17445, si_uid=65534} ---
[pid 17445] exit_group(0 <unfinished ...>
[pid 17448] --- stopped by SIGSTOP ---
[pid 17445] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17448, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17445] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17449 attached
, child_tidptr=0x5555574e8650) = 17449
[pid 17449] set_robust_list(0x5555574e8660, 24) = 0
[pid 17449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17449] setpgid(0, 0)               = 0
[pid 17449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17449] write(3, "1000", 4)         = 4
[pid 17449] close(3)                    = 0
[pid 17449] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17449] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.001315][T17445] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17449] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17449] close(5)                    = 0
[pid 17449] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17452 attached
) = 17452
[pid 17449] tkill(17452, SIGSTOP)       = 0
[pid 17452] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17449, si_uid=65534} ---
[pid 17449] exit_group(0 <unfinished ...>
[pid 17452] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17452, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17449] <... exit_group resumed>)   = ?
[pid 17449] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17453 attached
, child_tidptr=0x5555574e8650) = 17453
[pid 17453] set_robust_list(0x5555574e8660, 24) = 0
[pid 17453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17453] setpgid(0, 0)               = 0
[pid 17453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17453] write(3, "1000", 4)         = 4
[pid 17453] close(3)                    = 0
[pid 17453] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  231.065156][T17449] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17453] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17453] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17453] close(5)                    = 0
[pid 17453] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17456 attached
) = 17456
[pid 17453] tkill(17456, SIGSTOP)       = 0
[pid 17456] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17453, si_uid=65534} ---
[pid 17453] exit_group(0 <unfinished ...>
[pid 17456] --- stopped by SIGSTOP ---
[pid 17453] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17456, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17453] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17457 attached
, child_tidptr=0x5555574e8650) = 17457
[pid 17457] set_robust_list(0x5555574e8660, 24) = 0
[pid 17457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17457] setpgid(0, 0)               = 0
[pid 17457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17457] write(3, "1000", 4)         = 4
[pid 17457] close(3)                    = 0
[pid 17457] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17457] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.129855][T17453] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17457] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17457] close(5)                    = 0
[pid 17457] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17460 attached
) = 17460
[pid 17457] tkill(17460, SIGSTOP)       = 0
[pid 17460] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17457, si_uid=65534} ---
[pid 17460] --- stopped by SIGSTOP ---
[pid 17457] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17460, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17457] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17461 attached
, child_tidptr=0x5555574e8650) = 17461
[pid 17461] set_robust_list(0x5555574e8660, 24) = 0
[pid 17461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17461] setpgid(0, 0)               = 0
[pid 17461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17461] write(3, "1000", 4)         = 4
[pid 17461] close(3)                    = 0
[pid 17461] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17461] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.195014][T17457] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17461] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17461] close(5)                    = 0
[pid 17461] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17464 attached
) = 17464
[pid 17461] tkill(17464, SIGSTOP)       = 0
[pid 17464] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17461, si_uid=65534} ---
[pid 17461] exit_group(0 <unfinished ...>
[pid 17464] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17464, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17461] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17461] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17465 attached
, child_tidptr=0x5555574e8650) = 17465
[pid 17465] set_robust_list(0x5555574e8660, 24) = 0
[pid 17465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17465] setpgid(0, 0)               = 0
[pid 17465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17465] write(3, "1000", 4)         = 4
[pid 17465] close(3)                    = 0
[pid 17465] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  231.257325][T17461] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17465] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17465] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17465] close(5)                    = 0
[pid 17465] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17468 attached
) = 17468
[pid 17465] tkill(17468, SIGSTOP)       = 0
[pid 17465] exit_group(0 <unfinished ...>
[pid 17468] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17465, si_uid=65534} ---
[pid 17465] <... exit_group resumed>)   = ?
[pid 17468] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17468, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17465] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17465, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17469 attached
, child_tidptr=0x5555574e8650) = 17469
[pid 17469] set_robust_list(0x5555574e8660, 24) = 0
[pid 17469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17469] setpgid(0, 0)               = 0
[pid 17469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17469] write(3, "1000", 4)         = 4
[pid 17469] close(3)                    = 0
[pid 17469] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17469] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.322473][T17465] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17469] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17469] close(5)                    = 0
[pid 17469] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17472 attached
) = 17472
[pid 17469] tkill(17472, SIGSTOP)       = 0
[pid 17472] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17469, si_uid=65534} ---
[pid 17469] exit_group(0 <unfinished ...>
[pid 17472] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17472, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17469] <... exit_group resumed>)   = ?
[pid 17469] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17469, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17473 attached
, child_tidptr=0x5555574e8650) = 17473
[pid 17473] set_robust_list(0x5555574e8660, 24) = 0
[pid 17473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17473] setpgid(0, 0)               = 0
[pid 17473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17473] write(3, "1000", 4)         = 4
[pid 17473] close(3)                    = 0
[pid 17473] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  231.383852][T17469] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17473] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17473] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17473] close(5)                    = 0
[pid 17473] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17476 attached
) = 17476
[pid 17473] tkill(17476, SIGSTOP)       = 0
[pid 17476] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17473, si_uid=65534} ---
[pid 17473] exit_group(0 <unfinished ...>
[pid 17476] --- stopped by SIGSTOP ---
[pid 17473] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17476, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17473] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17477 attached
, child_tidptr=0x5555574e8650) = 17477
[pid 17477] set_robust_list(0x5555574e8660, 24) = 0
[pid 17477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17477] setpgid(0, 0)               = 0
[pid 17477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17477] write(3, "1000", 4)         = 4
[pid 17477] close(3)                    = 0
[pid 17477] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  231.449687][T17473] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17477] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17477] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17477] close(5)                    = 0
[pid 17477] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17480 attached
) = 17480
[pid 17477] tkill(17480, SIGSTOP)       = 0
[pid 17480] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17477, si_uid=65534} ---
[pid 17477] exit_group(0 <unfinished ...>
[pid 17480] --- stopped by SIGSTOP ---
[pid 17477] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17480, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17477] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17481 attached
, child_tidptr=0x5555574e8650) = 17481
[pid 17481] set_robust_list(0x5555574e8660, 24) = 0
[pid 17481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17481] setpgid(0, 0)               = 0
[pid 17481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17481] write(3, "1000", 4)         = 4
[pid 17481] close(3)                    = 0
[pid 17481] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17481] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.516453][T17477] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17481] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17481] close(5)                    = 0
[pid 17481] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17484 attached
) = 17484
[pid 17481] tkill(17484, SIGSTOP)       = 0
[pid 17484] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17481, si_uid=65534} ---
[pid 17481] exit_group(0 <unfinished ...>
[pid 17484] --- stopped by SIGSTOP ---
[pid 17481] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17484, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17481] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17485 attached
, child_tidptr=0x5555574e8650) = 17485
[pid 17485] set_robust_list(0x5555574e8660, 24) = 0
[pid 17485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17485] setpgid(0, 0)               = 0
[pid 17485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17485] write(3, "1000", 4)         = 4
[pid 17485] close(3)                    = 0
[  231.577374][T17481] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17485] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17485] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17485] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17485] close(5)                    = 0
[pid 17485] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17488 attached
) = 17488
[pid 17485] tkill(17488, SIGSTOP)       = 0
[pid 17488] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17485, si_uid=65534} ---
[pid 17485] exit_group(0 <unfinished ...>
[pid 17488] --- stopped by SIGSTOP ---
[pid 17485] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17488, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17485] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17489 attached
, child_tidptr=0x5555574e8650) = 17489
[pid 17489] set_robust_list(0x5555574e8660, 24) = 0
[pid 17489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17489] setpgid(0, 0)               = 0
[pid 17489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17489] write(3, "1000", 4)         = 4
[pid 17489] close(3)                    = 0
[pid 17489] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17489] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.646492][T17485] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17489] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17489] close(5)                    = 0
[pid 17489] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17492 attached
) = 17492
[pid 17489] tkill(17492, SIGSTOP)       = 0
[pid 17492] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17489, si_uid=65534} ---
[pid 17489] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17492, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17492] --- stopped by SIGSTOP ---
[pid 17489] <... exit_group resumed>)   = ?
[pid 17489] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17493 attached
, child_tidptr=0x5555574e8650) = 17493
[pid 17493] set_robust_list(0x5555574e8660, 24) = 0
[pid 17493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17493] setpgid(0, 0)               = 0
[pid 17493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17493] write(3, "1000", 4)         = 4
[pid 17493] close(3)                    = 0
[pid 17493] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17493] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.710477][T17489] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17493] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17493] close(5)                    = 0
[pid 17493] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17496 attached
) = 17496
[pid 17493] tkill(17496, SIGSTOP)       = 0
[pid 17496] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17493, si_uid=65534} ---
[pid 17493] exit_group(0 <unfinished ...>
[pid 17496] --- stopped by SIGSTOP ---
[pid 17493] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17496, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17493] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17493, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17497 attached
, child_tidptr=0x5555574e8650) = 17497
[pid 17497] set_robust_list(0x5555574e8660, 24) = 0
[pid 17497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17497] setpgid(0, 0)               = 0
[pid 17497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17497] write(3, "1000", 4)         = 4
[pid 17497] close(3)                    = 0
[pid 17497] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17497] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.773630][T17493] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17497] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17497] close(5)                    = 0
[pid 17497] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17500 attached
) = 17500
[pid 17497] tkill(17500, SIGSTOP)       = 0
[pid 17500] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17497, si_uid=65534} ---
[pid 17497] exit_group(0 <unfinished ...>
[pid 17500] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17500, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17497] <... exit_group resumed>)   = ?
[pid 17497] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17497, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17501 attached
, child_tidptr=0x5555574e8650) = 17501
[pid 17501] set_robust_list(0x5555574e8660, 24) = 0
[pid 17501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17501] setpgid(0, 0)               = 0
[pid 17501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17501] write(3, "1000", 4)         = 4
[pid 17501] close(3)                    = 0
[pid 17501] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17501] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.832702][T17497] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17501] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17501] close(5)                    = 0
[pid 17501] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17504 attached
) = 17504
[pid 17501] tkill(17504, SIGSTOP)       = 0
[pid 17504] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17501, si_uid=65534} ---
[pid 17501] exit_group(0 <unfinished ...>
[pid 17504] --- stopped by SIGSTOP ---
[pid 17501] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17504, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17501] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17505 attached
, child_tidptr=0x5555574e8650) = 17505
[pid 17505] set_robust_list(0x5555574e8660, 24) = 0
[pid 17505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17505] setpgid(0, 0)               = 0
[pid 17505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17505] write(3, "1000", 4)         = 4
[  231.897010][T17501] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17505] close(3)                    = 0
[pid 17505] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17505] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17505] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17505] close(5)                    = 0
[pid 17505] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17508 attached
) = 17508
[pid 17505] tkill(17508, SIGSTOP)       = 0
[pid 17505] exit_group(0 <unfinished ...>
[pid 17508] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17505, si_uid=65534} ---
[pid 17505] <... exit_group resumed>)   = ?
[pid 17508] --- stopped by SIGSTOP ---
[pid 17505] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17508, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17509 attached
, child_tidptr=0x5555574e8650) = 17509
[pid 17509] set_robust_list(0x5555574e8660, 24) = 0
[pid 17509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17509] setpgid(0, 0)               = 0
[pid 17509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17509] write(3, "1000", 4)         = 4
[pid 17509] close(3)                    = 0
[pid 17509] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17509] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  231.968224][T17505] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17509] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17509] close(5)                    = 0
[pid 17509] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17512 attached
) = 17512
[pid 17509] tkill(17512, SIGSTOP)       = 0
[pid 17512] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17509, si_uid=65534} ---
[pid 17509] exit_group(0 <unfinished ...>
[pid 17512] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17512, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17509] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17509] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17513 attached
, child_tidptr=0x5555574e8650) = 17513
[pid 17513] set_robust_list(0x5555574e8660, 24) = 0
[pid 17513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17513] setpgid(0, 0)               = 0
[pid 17513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17513] write(3, "1000", 4)         = 4
[pid 17513] close(3)                    = 0
[  232.029513][T17509] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17513] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17513] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17513] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17513] close(5)                    = 0
[pid 17513] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17516 attached
) = 17516
[pid 17513] tkill(17516, SIGSTOP)       = 0
[pid 17516] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17513, si_uid=65534} ---
[pid 17513] exit_group(0 <unfinished ...>
[pid 17516] --- stopped by SIGSTOP ---
[pid 17513] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17516, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17513] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17517 attached
, child_tidptr=0x5555574e8650) = 17517
[pid 17517] set_robust_list(0x5555574e8660, 24) = 0
[pid 17517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17517] setpgid(0, 0)               = 0
[pid 17517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17517] write(3, "1000", 4)         = 4
[pid 17517] close(3)                    = 0
[pid 17517] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17517] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.099556][T17513] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17517] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17517] close(5)                    = 0
[pid 17517] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17520 attached
) = 17520
[pid 17517] tkill(17520, SIGSTOP)       = 0
[pid 17520] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17517, si_uid=65534} ---
[pid 17517] exit_group(0 <unfinished ...>
[pid 17520] --- stopped by SIGSTOP ---
[pid 17517] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17520, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17517] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17517, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17521 attached
, child_tidptr=0x5555574e8650) = 17521
[pid 17521] set_robust_list(0x5555574e8660, 24) = 0
[pid 17521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17521] setpgid(0, 0)               = 0
[pid 17521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17521] write(3, "1000", 4)         = 4
[  232.163914][T17517] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17521] close(3)                    = 0
[pid 17521] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17521] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17521] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17521] close(5)                    = 0
[pid 17521] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17524 attached
) = 17524
[pid 17521] tkill(17524, SIGSTOP)       = 0
[pid 17524] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17521, si_uid=65534} ---
[pid 17521] exit_group(0 <unfinished ...>
[pid 17524] --- stopped by SIGSTOP ---
[pid 17521] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17524, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17521] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17525 attached
, child_tidptr=0x5555574e8650) = 17525
[pid 17525] set_robust_list(0x5555574e8660, 24) = 0
[pid 17525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17525] setpgid(0, 0)               = 0
[pid 17525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17525] write(3, "1000", 4)         = 4
[pid 17525] close(3)                    = 0
[pid 17525] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17525] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.236399][T17521] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17525] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17525] close(5)                    = 0
[pid 17525] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17528 attached
) = 17528
[pid 17525] tkill(17528, SIGSTOP)       = 0
[pid 17528] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17525, si_uid=65534} ---
[pid 17525] exit_group(0 <unfinished ...>
[pid 17528] --- stopped by SIGSTOP ---
[pid 17525] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17528, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17525] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17529 attached
, child_tidptr=0x5555574e8650) = 17529
[pid 17529] set_robust_list(0x5555574e8660, 24) = 0
[pid 17529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17529] setpgid(0, 0)               = 0
[pid 17529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17529] write(3, "1000", 4)         = 4
[pid 17529] close(3)                    = 0
[pid 17529] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17529] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.299942][T17525] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17529] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17529] close(5)                    = 0
[pid 17529] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17532 attached
) = 17532
[pid 17529] tkill(17532, SIGSTOP)       = 0
[pid 17532] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17529, si_uid=65534} ---
[pid 17529] exit_group(0 <unfinished ...>
[pid 17532] --- stopped by SIGSTOP ---
[pid 17529] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17532, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17529] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17533 attached
, child_tidptr=0x5555574e8650) = 17533
[pid 17533] set_robust_list(0x5555574e8660, 24) = 0
[pid 17533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17533] setpgid(0, 0)               = 0
[pid 17533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17533] write(3, "1000", 4)         = 4
[pid 17533] close(3)                    = 0
[pid 17533] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17533] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.360479][T17529] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17533] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17533] close(5)                    = 0
[pid 17533] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17536 attached
) = 17536
[pid 17533] tkill(17536, SIGSTOP)       = 0
[pid 17533] exit_group(0 <unfinished ...>
[pid 17536] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17533, si_uid=65534} ---
[pid 17533] <... exit_group resumed>)   = ?
[pid 17536] --- stopped by SIGSTOP ---
[pid 17533] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17536, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17537 attached
, child_tidptr=0x5555574e8650) = 17537
[pid 17537] set_robust_list(0x5555574e8660, 24) = 0
[pid 17537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17537] setpgid(0, 0)               = 0
[pid 17537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17537] write(3, "1000", 4)         = 4
[pid 17537] close(3)                    = 0
[pid 17537] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17537] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.423708][T17533] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17537] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17537] close(5)                    = 0
[pid 17537] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17540 attached
) = 17540
[pid 17537] tkill(17540, SIGSTOP)       = 0
[pid 17540] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17537, si_uid=65534} ---
[pid 17537] exit_group(0 <unfinished ...>
[pid 17540] --- stopped by SIGSTOP ---
[pid 17537] <... exit_group resumed>)   = ?
[pid 17537] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17540, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17541 attached
, child_tidptr=0x5555574e8650) = 17541
[pid 17541] set_robust_list(0x5555574e8660, 24) = 0
[pid 17541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17541] setpgid(0, 0)               = 0
[pid 17541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17541] write(3, "1000", 4)         = 4
[pid 17541] close(3)                    = 0
[pid 17541] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17541] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.482911][T17537] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17541] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17541] close(5)                    = 0
[pid 17541] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17544 attached
) = 17544
[pid 17541] tkill(17544, SIGSTOP)       = 0
[pid 17544] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17541, si_uid=65534} ---
[pid 17541] exit_group(0 <unfinished ...>
[pid 17544] --- stopped by SIGSTOP ---
[pid 17541] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17544, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17541] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17541, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17545 attached
, child_tidptr=0x5555574e8650) = 17545
[pid 17545] set_robust_list(0x5555574e8660, 24) = 0
[pid 17545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17545] setpgid(0, 0)               = 0
[pid 17545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17545] write(3, "1000", 4)         = 4
[pid 17545] close(3)                    = 0
[pid 17545] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  232.544303][T17541] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17545] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17545] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17545] close(5)                    = 0
[pid 17545] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17548 attached
) = 17548
[pid 17545] tkill(17548, SIGSTOP)       = 0
[pid 17548] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17545, si_uid=65534} ---
[pid 17545] exit_group(0 <unfinished ...>
[pid 17548] --- stopped by SIGSTOP ---
[pid 17545] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17548, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17545] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17549 attached
, child_tidptr=0x5555574e8650) = 17549
[pid 17549] set_robust_list(0x5555574e8660, 24) = 0
[pid 17549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17549] setpgid(0, 0)               = 0
[pid 17549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17549] write(3, "1000", 4)         = 4
[pid 17549] close(3)                    = 0
[pid 17549] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17549] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.609231][T17545] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17549] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17549] close(5)                    = 0
[pid 17549] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17552 attached
) = 17552
[pid 17549] tkill(17552, SIGSTOP)       = 0
[pid 17552] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17549, si_uid=65534} ---
[pid 17549] exit_group(0 <unfinished ...>
[pid 17552] --- stopped by SIGSTOP ---
[pid 17549] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17552, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17549] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17549, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17553 attached
, child_tidptr=0x5555574e8650) = 17553
[pid 17553] set_robust_list(0x5555574e8660, 24) = 0
[pid 17553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17553] setpgid(0, 0)               = 0
[pid 17553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17553] write(3, "1000", 4)         = 4
[pid 17553] close(3)                    = 0
[pid 17553] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17553] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.673562][T17549] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17553] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17553] close(5)                    = 0
[pid 17553] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17556 attached
) = 17556
[pid 17553] tkill(17556, SIGSTOP)       = 0
[pid 17556] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17553, si_uid=65534} ---
[pid 17553] exit_group(0 <unfinished ...>
[pid 17556] --- stopped by SIGSTOP ---
[pid 17553] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17556, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17553] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17553, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17557 attached
, child_tidptr=0x5555574e8650) = 17557
[pid 17557] set_robust_list(0x5555574e8660, 24) = 0
[pid 17557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17557] setpgid(0, 0)               = 0
[pid 17557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17557] write(3, "1000", 4)         = 4
[pid 17557] close(3)                    = 0
[pid 17557] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17557] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.734100][T17553] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17557] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17557] close(5)                    = 0
[pid 17557] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17560 attached
) = 17560
[pid 17557] tkill(17560, SIGSTOP)       = 0
[pid 17560] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17557, si_uid=65534} ---
[pid 17557] exit_group(0 <unfinished ...>
[pid 17560] --- stopped by SIGSTOP ---
[pid 17557] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17560, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17557] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17561 attached
, child_tidptr=0x5555574e8650) = 17561
[pid 17561] set_robust_list(0x5555574e8660, 24) = 0
[pid 17561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17561] setpgid(0, 0)               = 0
[pid 17561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17561] write(3, "1000", 4)         = 4
[  232.795366][T17557] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17561] close(3)                    = 0
[pid 17561] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17561] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17561] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17561] close(5)                    = 0
[pid 17561] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17564 attached
) = 17564
[pid 17561] tkill(17564, SIGSTOP)       = 0
[pid 17564] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17561, si_uid=65534} ---
[pid 17561] exit_group(0 <unfinished ...>
[pid 17564] --- stopped by SIGSTOP ---
[pid 17561] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17564, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17561] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17565 attached
, child_tidptr=0x5555574e8650) = 17565
[pid 17565] set_robust_list(0x5555574e8660, 24) = 0
[pid 17565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17565] setpgid(0, 0)               = 0
[pid 17565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17565] write(3, "1000", 4)         = 4
[pid 17565] close(3)                    = 0
[pid 17565] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17565] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.868197][T17561] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17565] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17565] close(5)                    = 0
[pid 17565] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17568 attached
) = 17568
[pid 17565] tkill(17568, SIGSTOP)       = 0
[pid 17568] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17565, si_uid=65534} ---
[pid 17565] exit_group(0 <unfinished ...>
[pid 17568] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17568, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17565] <... exit_group resumed>)   = ?
[pid 17565] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17565, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17569 attached
, child_tidptr=0x5555574e8650) = 17569
[pid 17569] set_robust_list(0x5555574e8660, 24) = 0
[pid 17569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17569] setpgid(0, 0)               = 0
[pid 17569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17569] write(3, "1000", 4)         = 4
[pid 17569] close(3)                    = 0
[pid 17569] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  232.930623][T17565] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17569] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17569] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17569] close(5)                    = 0
[pid 17569] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17572 attached
) = 17572
[pid 17569] tkill(17572, SIGSTOP)       = 0
[pid 17572] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17569, si_uid=65534} ---
[pid 17569] exit_group(0 <unfinished ...>
[pid 17572] --- stopped by SIGSTOP ---
[pid 17569] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17572, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17569] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17573 attached
, child_tidptr=0x5555574e8650) = 17573
[pid 17573] set_robust_list(0x5555574e8660, 24) = 0
[pid 17573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17573] setpgid(0, 0)               = 0
[pid 17573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17573] write(3, "1000", 4)         = 4
[pid 17573] close(3)                    = 0
[pid 17573] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17573] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  232.996530][T17569] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17573] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17573] close(5)                    = 0
[pid 17573] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17576 attached
) = 17576
[pid 17573] tkill(17576, SIGSTOP)       = 0
[pid 17576] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17573, si_uid=65534} ---
[pid 17573] exit_group(0 <unfinished ...>
[pid 17576] --- stopped by SIGSTOP ---
[pid 17573] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17576, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17573] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17573, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17577 attached
, child_tidptr=0x5555574e8650) = 17577
[pid 17577] set_robust_list(0x5555574e8660, 24) = 0
[pid 17577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17577] setpgid(0, 0)               = 0
[pid 17577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17577] write(3, "1000", 4)         = 4
[pid 17577] close(3)                    = 0
[pid 17577] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17577] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.053337][T17573] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17577] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17577] close(5)                    = 0
[pid 17577] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17580 attached
) = 17580
[pid 17577] tkill(17580, SIGSTOP)       = 0
[pid 17580] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17577, si_uid=65534} ---
[pid 17577] exit_group(0 <unfinished ...>
[pid 17580] --- stopped by SIGSTOP ---
[pid 17577] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17580, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17577] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17581 attached
, child_tidptr=0x5555574e8650) = 17581
[pid 17581] set_robust_list(0x5555574e8660, 24) = 0
[pid 17581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17581] setpgid(0, 0)               = 0
[pid 17581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17581] write(3, "1000", 4)         = 4
[  233.115453][T17577] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17581] close(3)                    = 0
[pid 17581] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17581] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17581] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17581] close(5)                    = 0
[pid 17581] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17584 attached
) = 17584
[pid 17581] tkill(17584, SIGSTOP)       = 0
[pid 17584] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17581, si_uid=65534} ---
[pid 17581] exit_group(0 <unfinished ...>
[pid 17584] --- stopped by SIGSTOP ---
[pid 17581] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17584, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17581] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17581, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17585 attached
, child_tidptr=0x5555574e8650) = 17585
[pid 17585] set_robust_list(0x5555574e8660, 24) = 0
[pid 17585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17585] setpgid(0, 0)               = 0
[pid 17585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17585] write(3, "1000", 4)         = 4
[pid 17585] close(3)                    = 0
[pid 17585] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17585] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.188967][T17581] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17585] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17585] close(5)                    = 0
[pid 17585] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17588 attached
) = 17588
[pid 17585] tkill(17588, SIGSTOP)       = 0
[pid 17588] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17585, si_uid=65534} ---
[pid 17585] exit_group(0 <unfinished ...>
[pid 17588] --- stopped by SIGSTOP ---
[pid 17585] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17588, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17585] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17585, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17589 attached
, child_tidptr=0x5555574e8650) = 17589
[pid 17589] set_robust_list(0x5555574e8660, 24) = 0
[pid 17589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17589] setpgid(0, 0)               = 0
[pid 17589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  233.252195][T17585] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17589] write(3, "1000", 4)         = 4
[pid 17589] close(3)                    = 0
[pid 17589] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17589] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17589] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17589] close(5)                    = 0
[pid 17589] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17592 attached
) = 17592
[pid 17589] tkill(17592, SIGSTOP)       = 0
[pid 17589] exit_group(0)               = ?
[pid 17592] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17589, si_uid=65534} ---
[pid 17592] --- stopped by SIGSTOP ---
[pid 17589] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17592, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17593 attached
, child_tidptr=0x5555574e8650) = 17593
[pid 17593] set_robust_list(0x5555574e8660, 24) = 0
[pid 17593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17593] setpgid(0, 0)               = 0
[pid 17593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17593] write(3, "1000", 4)         = 4
[pid 17593] close(3)                    = 0
[pid 17593] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17593] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.328606][T17589] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17593] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17593] close(5)                    = 0
[pid 17593] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17596 attached
) = 17596
[pid 17593] tkill(17596, SIGSTOP)       = 0
[pid 17596] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17593, si_uid=65534} ---
[pid 17593] exit_group(0 <unfinished ...>
[pid 17596] --- stopped by SIGSTOP ---
[pid 17593] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17596, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17593] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17593, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17597 attached
, child_tidptr=0x5555574e8650) = 17597
[pid 17597] set_robust_list(0x5555574e8660, 24) = 0
[pid 17597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17597] setpgid(0, 0)               = 0
[pid 17597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17597] write(3, "1000", 4)         = 4
[pid 17597] close(3)                    = 0
[pid 17597] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17597] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.385834][T17593] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17597] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17597] close(5)                    = 0
[pid 17597] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17600 attached
) = 17600
[pid 17597] tkill(17600, SIGSTOP)       = 0
[pid 17600] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17597, si_uid=65534} ---
[pid 17597] exit_group(0 <unfinished ...>
[pid 17600] --- stopped by SIGSTOP ---
[pid 17597] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17600, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17597] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17601 attached
, child_tidptr=0x5555574e8650) = 17601
[pid 17601] set_robust_list(0x5555574e8660, 24) = 0
[pid 17601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17601] setpgid(0, 0)               = 0
[pid 17601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17601] write(3, "1000", 4)         = 4
[pid 17601] close(3)                    = 0
[pid 17601] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17601] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.450588][T17597] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17601] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17601] close(5)                    = 0
[pid 17601] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17604 attached
) = 17604
[pid 17601] tkill(17604, SIGSTOP)       = 0
[pid 17604] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17601, si_uid=65534} ---
[pid 17601] exit_group(0 <unfinished ...>
[pid 17604] --- stopped by SIGSTOP ---
[pid 17601] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17604, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17601] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17601, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17605 attached
, child_tidptr=0x5555574e8650) = 17605
[pid 17605] set_robust_list(0x5555574e8660, 24) = 0
[pid 17605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17605] setpgid(0, 0)               = 0
[pid 17605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17605] write(3, "1000", 4)         = 4
[pid 17605] close(3)                    = 0
[  233.512889][T17601] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17605] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17605] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17605] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17605] close(5)                    = 0
[pid 17605] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17608 attached
) = 17608
[pid 17605] tkill(17608, SIGSTOP)       = 0
[pid 17608] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17605, si_uid=65534} ---
[pid 17605] exit_group(0 <unfinished ...>
[pid 17608] --- stopped by SIGSTOP ---
[pid 17605] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17608, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17605] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17609 attached
, child_tidptr=0x5555574e8650) = 17609
[pid 17609] set_robust_list(0x5555574e8660, 24) = 0
[pid 17609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17609] setpgid(0, 0)               = 0
[pid 17609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17609] write(3, "1000", 4)         = 4
[pid 17609] close(3)                    = 0
[pid 17609] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17609] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.586752][T17605] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17609] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17609] close(5)                    = 0
[pid 17609] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17612 attached
) = 17612
[pid 17609] tkill(17612, SIGSTOP)       = 0
[pid 17612] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17609, si_uid=65534} ---
[pid 17609] exit_group(0 <unfinished ...>
[pid 17612] --- stopped by SIGSTOP ---
[pid 17609] <... exit_group resumed>)   = ?
[pid 17609] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17612, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17613 attached
, child_tidptr=0x5555574e8650) = 17613
[pid 17613] set_robust_list(0x5555574e8660, 24) = 0
[pid 17613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17613] setpgid(0, 0)               = 0
[pid 17613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17613] write(3, "1000", 4)         = 4
[pid 17613] close(3)                    = 0
[pid 17613] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17613] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.648942][T17609] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17613] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17613] close(5)                    = 0
[pid 17613] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17616 attached
) = 17616
[pid 17613] tkill(17616, SIGSTOP)       = 0
[pid 17616] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17613, si_uid=65534} ---
[pid 17613] exit_group(0 <unfinished ...>
[pid 17616] --- stopped by SIGSTOP ---
[pid 17613] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17616, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17613] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17617 attached
, child_tidptr=0x5555574e8650) = 17617
[pid 17617] set_robust_list(0x5555574e8660, 24) = 0
[pid 17617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17617] setpgid(0, 0)               = 0
[pid 17617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17617] write(3, "1000", 4)         = 4
[pid 17617] close(3)                    = 0
[pid 17617] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17617] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.712338][T17613] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17617] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17617] close(5)                    = 0
[pid 17617] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17620 attached
) = 17620
[pid 17617] tkill(17620, SIGSTOP)       = 0
[pid 17620] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17617, si_uid=65534} ---
[pid 17617] exit_group(0 <unfinished ...>
[pid 17620] --- stopped by SIGSTOP ---
[pid 17617] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17620, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17617] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17617, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17621 attached
, child_tidptr=0x5555574e8650) = 17621
[pid 17621] set_robust_list(0x5555574e8660, 24) = 0
[pid 17621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17621] setpgid(0, 0)               = 0
[pid 17621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17621] write(3, "1000", 4)         = 4
[pid 17621] close(3)                    = 0
[pid 17621] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  233.774309][T17617] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17621] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17621] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17621] close(5)                    = 0
[pid 17621] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17624 attached
) = 17624
[pid 17621] tkill(17624, SIGSTOP)       = 0
[pid 17624] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17621, si_uid=65534} ---
[pid 17621] exit_group(0 <unfinished ...>
[pid 17624] --- stopped by SIGSTOP ---
[pid 17621] <... exit_group resumed>)   = ?
[pid 17621] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17624, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17625 attached
, child_tidptr=0x5555574e8650) = 17625
[pid 17625] set_robust_list(0x5555574e8660, 24) = 0
[pid 17625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17625] setpgid(0, 0)               = 0
[pid 17625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17625] write(3, "1000", 4)         = 4
[  233.840044][T17621] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17625] close(3)                    = 0
[pid 17625] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17625] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17625] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17625] close(5)                    = 0
[pid 17625] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17628 attached
) = 17628
[pid 17625] tkill(17628, SIGSTOP)       = 0
[pid 17628] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17625, si_uid=65534} ---
[pid 17625] exit_group(0 <unfinished ...>
[pid 17628] --- stopped by SIGSTOP ---
[pid 17625] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17628, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17625] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17629 attached
, child_tidptr=0x5555574e8650) = 17629
[pid 17629] set_robust_list(0x5555574e8660, 24) = 0
[pid 17629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  233.913902][T17625] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17629] setpgid(0, 0)               = 0
[pid 17629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17629] write(3, "1000", 4)         = 4
[pid 17629] close(3)                    = 0
[pid 17629] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17629] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17629] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17629] close(5)                    = 0
[pid 17629] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17632 attached
) = 17632
[pid 17629] tkill(17632, SIGSTOP)       = 0
[pid 17629] exit_group(0 <unfinished ...>
[pid 17632] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17629, si_uid=65534} ---
[pid 17629] <... exit_group resumed>)   = ?
[pid 17632] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17632, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17629] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17633 attached
, child_tidptr=0x5555574e8650) = 17633
[pid 17633] set_robust_list(0x5555574e8660, 24) = 0
[pid 17633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17633] setpgid(0, 0)               = 0
[pid 17633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17633] write(3, "1000", 4)         = 4
[pid 17633] close(3)                    = 0
[pid 17633] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17633] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  233.998668][T17629] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17633] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17633] close(5)                    = 0
[pid 17633] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17636 attached
) = 17636
[pid 17633] tkill(17636, SIGSTOP)       = 0
[pid 17636] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17633, si_uid=65534} ---
[pid 17633] exit_group(0 <unfinished ...>
[pid 17636] --- stopped by SIGSTOP ---
[pid 17633] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17636, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17633] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17633, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17637 attached
, child_tidptr=0x5555574e8650) = 17637
[pid 17637] set_robust_list(0x5555574e8660, 24) = 0
[pid 17637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17637] setpgid(0, 0)               = 0
[pid 17637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17637] write(3, "1000", 4)         = 4
[pid 17637] close(3)                    = 0
[pid 17637] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17637] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.061147][T17633] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17637] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17637] close(5)                    = 0
[pid 17637] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17640 attached
) = 17640
[pid 17637] tkill(17640, SIGSTOP)       = 0
[pid 17640] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17637, si_uid=65534} ---
[pid 17637] exit_group(0 <unfinished ...>
[pid 17640] --- stopped by SIGSTOP ---
[pid 17637] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17640, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17637] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17637, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17641 attached
, child_tidptr=0x5555574e8650) = 17641
[pid 17641] set_robust_list(0x5555574e8660, 24) = 0
[pid 17641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17641] setpgid(0, 0)               = 0
[pid 17641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17641] write(3, "1000", 4)         = 4
[pid 17641] close(3)                    = 0
[pid 17641] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  234.120899][T17637] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17641] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17641] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17641] close(5)                    = 0
[pid 17641] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17644 attached
) = 17644
[pid 17641] tkill(17644, SIGSTOP)       = 0
[pid 17644] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17641, si_uid=65534} ---
[pid 17641] exit_group(0 <unfinished ...>
[pid 17644] --- stopped by SIGSTOP ---
[pid 17641] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17644, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17641] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17645 attached
, child_tidptr=0x5555574e8650) = 17645
[pid 17645] set_robust_list(0x5555574e8660, 24) = 0
[pid 17645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17645] setpgid(0, 0)               = 0
[pid 17645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17645] write(3, "1000", 4)         = 4
[pid 17645] close(3)                    = 0
[pid 17645] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  234.186692][T17641] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17645] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17645] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17645] close(5)                    = 0
[pid 17645] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17648 attached
) = 17648
[pid 17645] tkill(17648, SIGSTOP)       = 0
[pid 17648] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17645, si_uid=65534} ---
[pid 17645] exit_group(0 <unfinished ...>
[pid 17648] --- stopped by SIGSTOP ---
[pid 17645] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17648, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17645] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17645, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17649 attached
, child_tidptr=0x5555574e8650) = 17649
[pid 17649] set_robust_list(0x5555574e8660, 24) = 0
[pid 17649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17649] setpgid(0, 0)               = 0
[pid 17649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17649] write(3, "1000", 4)         = 4
[pid 17649] close(3)                    = 0
[pid 17649] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17649] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.252674][T17645] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17649] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17649] close(5)                    = 0
[pid 17649] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17652 attached
) = 17652
[pid 17649] tkill(17652, SIGSTOP)       = 0
[pid 17652] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17649, si_uid=65534} ---
[pid 17649] exit_group(0 <unfinished ...>
[pid 17652] --- stopped by SIGSTOP ---
[pid 17649] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17652, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17649] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17649, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17653 attached
, child_tidptr=0x5555574e8650) = 17653
[pid 17653] set_robust_list(0x5555574e8660, 24) = 0
[pid 17653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17653] setpgid(0, 0)               = 0
[pid 17653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17653] write(3, "1000", 4)         = 4
[pid 17653] close(3)                    = 0
[pid 17653] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  234.314667][T17649] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17653] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17653] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17653] close(5)                    = 0
[pid 17653] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17656 attached
) = 17656
[pid 17653] tkill(17656, SIGSTOP)       = 0
[pid 17656] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17653, si_uid=65534} ---
[pid 17653] exit_group(0 <unfinished ...>
[pid 17656] --- stopped by SIGSTOP ---
[pid 17653] <... exit_group resumed>)   = ?
[pid 17653] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17656, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17653, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17657 attached
, child_tidptr=0x5555574e8650) = 17657
[pid 17657] set_robust_list(0x5555574e8660, 24) = 0
[pid 17657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17657] setpgid(0, 0)               = 0
[pid 17657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17657] write(3, "1000", 4)         = 4
[pid 17657] close(3)                    = 0
[pid 17657] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17657] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.380457][T17653] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17657] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17657] close(5)                    = 0
[pid 17657] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17660 attached
) = 17660
[pid 17657] tkill(17660, SIGSTOP)       = 0
[pid 17660] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17657, si_uid=65534} ---
[pid 17657] exit_group(0 <unfinished ...>
[pid 17660] --- stopped by SIGSTOP ---
[pid 17657] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17660, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17657] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17657, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17661 attached
, child_tidptr=0x5555574e8650) = 17661
[pid 17661] set_robust_list(0x5555574e8660, 24) = 0
[pid 17661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17661] setpgid(0, 0)               = 0
[pid 17661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17661] write(3, "1000", 4)         = 4
[  234.443743][T17657] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17661] close(3)                    = 0
[pid 17661] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17661] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17661] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17661] close(5)                    = 0
[pid 17661] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17664 attached
) = 17664
[pid 17661] tkill(17664, SIGSTOP)       = 0
[pid 17664] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17661, si_uid=65534} ---
[pid 17661] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17664, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17664] --- stopped by SIGSTOP ---
[pid 17661] <... exit_group resumed>)   = ?
[pid 17661] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17661, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17666 attached
, child_tidptr=0x5555574e8650) = 17666
[pid 17666] set_robust_list(0x5555574e8660, 24) = 0
[pid 17666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17666] setpgid(0, 0)               = 0
[pid 17666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17666] write(3, "1000", 4)         = 4
[  234.513544][T17661] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17666] close(3)                    = 0
[pid 17666] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17666] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17666] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17666] close(5)                    = 0
[pid 17666] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17669 attached
) = 17669
[pid 17666] tkill(17669, SIGSTOP)       = 0
[pid 17669] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17666, si_uid=65534} ---
[pid 17666] exit_group(0 <unfinished ...>
[pid 17669] --- stopped by SIGSTOP ---
[pid 17666] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17669, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17666] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17670 attached
, child_tidptr=0x5555574e8650) = 17670
[pid 17670] set_robust_list(0x5555574e8660, 24) = 0
[pid 17670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17670] setpgid(0, 0)               = 0
[pid 17670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17670] write(3, "1000", 4)         = 4
[pid 17670] close(3)                    = 0
[pid 17670] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17670] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.587559][T17666] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17670] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17670] close(5)                    = 0
[pid 17670] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17673 attached
) = 17673
[pid 17670] tkill(17673, SIGSTOP)       = 0
[pid 17673] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17670, si_uid=65534} ---
[pid 17670] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17673, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17673] --- stopped by SIGSTOP ---
[pid 17670] <... exit_group resumed>)   = ?
[pid 17670] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17670, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17674 attached
, child_tidptr=0x5555574e8650) = 17674
[pid 17674] set_robust_list(0x5555574e8660, 24) = 0
[pid 17674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17674] setpgid(0, 0)               = 0
[pid 17674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17674] write(3, "1000", 4)         = 4
[pid 17674] close(3)                    = 0
[pid 17674] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17674] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.651024][T17670] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17674] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17674] close(5)                    = 0
[pid 17674] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17677 attached
) = 17677
[pid 17674] tkill(17677, SIGSTOP)       = 0
[pid 17677] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17674, si_uid=65534} ---
[pid 17674] exit_group(0 <unfinished ...>
[pid 17677] --- stopped by SIGSTOP ---
[pid 17674] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17677, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17674] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17674, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17678 attached
, child_tidptr=0x5555574e8650) = 17678
[pid 17678] set_robust_list(0x5555574e8660, 24) = 0
[pid 17678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17678] setpgid(0, 0)               = 0
[pid 17678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17678] write(3, "1000", 4)         = 4
[  234.714264][T17674] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17678] close(3)                    = 0
[pid 17678] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17678] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17678] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17678] close(5)                    = 0
[pid 17678] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17681 attached
) = 17681
[pid 17678] tkill(17681, SIGSTOP)       = 0
[pid 17681] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17678, si_uid=65534} ---
[pid 17678] exit_group(0 <unfinished ...>
[pid 17681] --- stopped by SIGSTOP ---
[pid 17678] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17681, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17678] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17682 attached
, child_tidptr=0x5555574e8650) = 17682
[pid 17682] set_robust_list(0x5555574e8660, 24) = 0
[pid 17682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17682] setpgid(0, 0)               = 0
[pid 17682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17682] write(3, "1000", 4)         = 4
[pid 17682] close(3)                    = 0
[pid 17682] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17682] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.787072][T17678] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17682] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17682] close(5)                    = 0
[pid 17682] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17685 attached
) = 17685
[pid 17682] tkill(17685, SIGSTOP)       = 0
[pid 17685] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17682, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17685, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17685] --- stopped by SIGSTOP ---
[pid 17682] exit_group(0)               = ?
[pid 17682] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17682, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17686 attached
, child_tidptr=0x5555574e8650) = 17686
[pid 17686] set_robust_list(0x5555574e8660, 24) = 0
[pid 17686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17686] setpgid(0, 0)               = 0
[pid 17686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17686] write(3, "1000", 4)         = 4
[pid 17686] close(3)                    = 0
[pid 17686] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17686] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.850212][T17682] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17686] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17686] close(5)                    = 0
[pid 17686] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17689 attached
) = 17689
[pid 17686] tkill(17689, SIGSTOP)       = 0
[pid 17689] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17686, si_uid=65534} ---
[pid 17686] exit_group(0 <unfinished ...>
[pid 17689] --- stopped by SIGSTOP ---
[pid 17686] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17689, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17686] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17686, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17690 attached
, child_tidptr=0x5555574e8650) = 17690
[pid 17690] set_robust_list(0x5555574e8660, 24) = 0
[pid 17690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17690] setpgid(0, 0)               = 0
[pid 17690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17690] write(3, "1000", 4)         = 4
[pid 17690] close(3)                    = 0
[pid 17690] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17690] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.910585][T17686] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17690] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17690] close(5)                    = 0
[pid 17690] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17693 attached
) = 17693
[pid 17690] tkill(17693, SIGSTOP)       = 0
[pid 17693] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17690, si_uid=65534} ---
[pid 17690] exit_group(0 <unfinished ...>
[pid 17693] --- stopped by SIGSTOP ---
[pid 17690] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17693, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17690] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17690, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17694 attached
, child_tidptr=0x5555574e8650) = 17694
[pid 17694] set_robust_list(0x5555574e8660, 24) = 0
[pid 17694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17694] setpgid(0, 0)               = 0
[pid 17694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17694] write(3, "1000", 4)         = 4
[pid 17694] close(3)                    = 0
[pid 17694] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17694] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  234.972744][T17690] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17694] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17694] close(5)                    = 0
[pid 17694] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17697 attached
) = 17697
[pid 17694] tkill(17697, SIGSTOP)       = 0
[pid 17697] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17694, si_uid=65534} ---
[pid 17694] exit_group(0 <unfinished ...>
[pid 17697] --- stopped by SIGSTOP ---
[pid 17694] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17697, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17694] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17698 attached
, child_tidptr=0x5555574e8650) = 17698
[pid 17698] set_robust_list(0x5555574e8660, 24) = 0
[pid 17698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17698] setpgid(0, 0)               = 0
[pid 17698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17698] write(3, "1000", 4)         = 4
[  235.038178][T17694] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17698] close(3)                    = 0
[pid 17698] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17698] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17698] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17698] close(5)                    = 0
[pid 17698] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17701 attached
) = 17701
[pid 17698] tkill(17701, SIGSTOP)       = 0
[pid 17701] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17698, si_uid=65534} ---
[pid 17698] exit_group(0 <unfinished ...>
[pid 17701] --- stopped by SIGSTOP ---
[pid 17698] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17701, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17698] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17702 attached
, child_tidptr=0x5555574e8650) = 17702
[pid 17702] set_robust_list(0x5555574e8660, 24) = 0
[pid 17702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17702] setpgid(0, 0)               = 0
[pid 17702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17702] write(3, "1000", 4)         = 4
[pid 17702] close(3)                    = 0
[pid 17702] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17702] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  235.110031][T17698] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17702] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17702] close(5)                    = 0
[pid 17702] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17705 attached
) = 17705
[pid 17702] tkill(17705, SIGSTOP)       = 0
[pid 17705] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17702, si_uid=65534} ---
[pid 17702] exit_group(0 <unfinished ...>
[pid 17705] --- stopped by SIGSTOP ---
[pid 17702] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17705, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17702] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17706 attached
, child_tidptr=0x5555574e8650) = 17706
[pid 17706] set_robust_list(0x5555574e8660, 24) = 0
[pid 17706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17706] setpgid(0, 0)               = 0
[pid 17706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17706] write(3, "1000", 4)         = 4
[pid 17706] close(3)                    = 0
[pid 17706] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  235.169479][T17702] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17706] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17706] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17706] close(5)                    = 0
[pid 17706] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17709 attached
) = 17709
[pid 17706] tkill(17709, SIGSTOP)       = 0
[pid 17709] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17706, si_uid=65534} ---
[pid 17706] exit_group(0 <unfinished ...>
[pid 17709] --- stopped by SIGSTOP ---
[pid 17706] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17709, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17706] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17710 attached
, child_tidptr=0x5555574e8650) = 17710
[pid 17710] set_robust_list(0x5555574e8660, 24) = 0
[pid 17710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17710] setpgid(0, 0)               = 0
[pid 17710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17710] write(3, "1000", 4)         = 4
[pid 17710] close(3)                    = 0
[pid 17710] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  235.237180][T17706] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17710] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17710] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17710] close(5)                    = 0
[pid 17710] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17713 attached
) = 17713
[pid 17710] tkill(17713, SIGSTOP)       = 0
[pid 17713] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17710, si_uid=65534} ---
[pid 17710] exit_group(0 <unfinished ...>
[pid 17713] --- stopped by SIGSTOP ---
[pid 17710] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17713, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17710] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17710, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17714 attached
, child_tidptr=0x5555574e8650) = 17714
[pid 17714] set_robust_list(0x5555574e8660, 24) = 0
[pid 17714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17714] setpgid(0, 0)               = 0
[pid 17714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17714] write(3, "1000", 4)         = 4
[pid 17714] close(3)                    = 0
[pid 17714] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17714] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  235.301202][T17710] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17714] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17714] close(5)                    = 0
[pid 17714] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17717 attached
) = 17717
[pid 17714] tkill(17717, SIGSTOP)       = 0
[pid 17717] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17714, si_uid=65534} ---
[pid 17714] exit_group(0 <unfinished ...>
[pid 17717] --- stopped by SIGSTOP ---
[pid 17714] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17717, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17714] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17718 attached
, child_tidptr=0x5555574e8650) = 17718
[pid 17718] set_robust_list(0x5555574e8660, 24) = 0
[pid 17718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17718] setpgid(0, 0)               = 0
[pid 17718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17718] write(3, "1000", 4)         = 4
[pid 17718] close(3)                    = 0
[pid 17718] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17718] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  235.366132][T17714] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17718] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17718] close(5)                    = 0
[pid 17718] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17722 attached
) = 17722
[pid 17718] tkill(17722, SIGSTOP)       = 0
[pid 17722] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17718, si_uid=65534} ---
[pid 17722] --- stopped by SIGSTOP ---
[pid 17718] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17722, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17718] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17718] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17723 attached
, child_tidptr=0x5555574e8650) = 17723
[pid 17723] set_robust_list(0x5555574e8660, 24) = 0
[pid 17723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17723] setpgid(0, 0)               = 0
[pid 17723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17723] write(3, "1000", 4)         = 4
[pid 17723] close(3)                    = 0
[  235.432180][T17718] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17723] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17723] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17723] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17723] close(5)                    = 0
[pid 17723] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17726 attached
) = 17726
[pid 17723] tkill(17726, SIGSTOP)       = 0
[pid 17726] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17723, si_uid=65534} ---
[pid 17723] exit_group(0 <unfinished ...>
[pid 17726] --- stopped by SIGSTOP ---
[pid 17723] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17726, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17723] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17727 attached
, child_tidptr=0x5555574e8650) = 17727
[pid 17727] set_robust_list(0x5555574e8660, 24) = 0
[pid 17727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17727] setpgid(0, 0)               = 0
[pid 17727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17727] write(3, "1000", 4)         = 4
[pid 17727] close(3)                    = 0
[  235.501689][T17723] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17727] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17727] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17727] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17727] close(5)                    = 0
[pid 17727] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17730 attached
) = 17730
[pid 17727] tkill(17730, SIGSTOP)       = 0
[pid 17730] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17727, si_uid=65534} ---
[pid 17727] exit_group(0 <unfinished ...>
[pid 17730] --- stopped by SIGSTOP ---
[pid 17727] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17730, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17727] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17731 attached
, child_tidptr=0x5555574e8650) = 17731
[pid 17731] set_robust_list(0x5555574e8660, 24) = 0
[pid 17731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17731] setpgid(0, 0)               = 0
[pid 17731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17731] write(3, "1000", 4)         = 4
[pid 17731] close(3)                    = 0
[  235.571533][T17727] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17731] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17731] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17731] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17731] close(5)                    = 0
[pid 17731] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17734 attached
) = 17734
[pid 17731] tkill(17734, SIGSTOP)       = 0
[pid 17734] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17731, si_uid=65534} ---
[pid 17731] exit_group(0 <unfinished ...>
[pid 17734] --- stopped by SIGSTOP ---
[pid 17731] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17734, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17731] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17731, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17735 attached
, child_tidptr=0x5555574e8650) = 17735
[pid 17735] set_robust_list(0x5555574e8660, 24) = 0
[pid 17735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17735] setpgid(0, 0)               = 0
[pid 17735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17735] write(3, "1000", 4)         = 4
[pid 17735] close(3)                    = 0
[pid 17735] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  235.642432][T17731] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17735] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17735] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17735] close(5)                    = 0
[pid 17735] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17738 attached
) = 17738
[pid 17735] tkill(17738, SIGSTOP)       = 0
[pid 17738] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17735, si_uid=65534} ---
[pid 17735] exit_group(0 <unfinished ...>
[pid 17738] --- stopped by SIGSTOP ---
[pid 17735] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17738, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17735] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17739 attached
, child_tidptr=0x5555574e8650) = 17739
[pid 17739] set_robust_list(0x5555574e8660, 24) = 0
[pid 17739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17739] setpgid(0, 0)               = 0
[pid 17739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17739] write(3, "1000", 4)         = 4
[pid 17739] close(3)                    = 0
[pid 17739] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17739] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  235.708223][T17735] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17739] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17739] close(5)                    = 0
[pid 17739] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17742 attached
) = 17742
[pid 17739] tkill(17742, SIGSTOP)       = 0
[pid 17742] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17739, si_uid=65534} ---
[pid 17739] exit_group(0 <unfinished ...>
[pid 17742] --- stopped by SIGSTOP ---
[pid 17739] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17742, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17739] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17739, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17743 attached
, child_tidptr=0x5555574e8650) = 17743
[pid 17743] set_robust_list(0x5555574e8660, 24) = 0
[pid 17743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17743] setpgid(0, 0)               = 0
[pid 17743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17743] write(3, "1000", 4)         = 4
[pid 17743] close(3)                    = 0
[pid 17743] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  235.771599][T17739] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17743] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17743] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17743] close(5)                    = 0
[pid 17743] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17746 attached
) = 17746
[pid 17743] tkill(17746, SIGSTOP)       = 0
[pid 17746] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17743, si_uid=65534} ---
[pid 17743] exit_group(0 <unfinished ...>
[pid 17746] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17746, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17743] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17743] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17747 attached
, child_tidptr=0x5555574e8650) = 17747
[pid 17747] set_robust_list(0x5555574e8660, 24) = 0
[pid 17747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17747] setpgid(0, 0)               = 0
[pid 17747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17747] write(3, "1000", 4)         = 4
[pid 17747] close(3)                    = 0
[pid 17747] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17747] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  235.836949][T17743] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17747] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17747] close(5)                    = 0
[pid 17747] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17750 attached
) = 17750
[pid 17747] tkill(17750, SIGSTOP)       = 0
[pid 17750] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17747, si_uid=65534} ---
[pid 17747] exit_group(0 <unfinished ...>
[pid 17750] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17750, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17747] <... exit_group resumed>)   = ?
[pid 17747] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17747, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17751 attached
, child_tidptr=0x5555574e8650) = 17751
[pid 17751] set_robust_list(0x5555574e8660, 24) = 0
[pid 17751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17751] setpgid(0, 0)               = 0
[pid 17751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17751] write(3, "1000", 4)         = 4
[  235.900520][T17747] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17751] close(3)                    = 0
[pid 17751] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17751] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17751] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17751] close(5)                    = 0
[pid 17751] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17754 attached
) = 17754
[pid 17751] tkill(17754, SIGSTOP)       = 0
[pid 17751] exit_group(0 <unfinished ...>
[pid 17754] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17751, si_uid=65534} ---
[pid 17751] <... exit_group resumed>)   = ?
[pid 17754] --- stopped by SIGSTOP ---
[pid 17751] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17754, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17755 attached
, child_tidptr=0x5555574e8650) = 17755
[pid 17755] set_robust_list(0x5555574e8660, 24) = 0
[pid 17755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17755] setpgid(0, 0)               = 0
[pid 17755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17755] write(3, "1000", 4)         = 4
[  235.974056][T17751] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17755] close(3)                    = 0
[pid 17755] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17755] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17755] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17755] close(5)                    = 0
[pid 17755] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 17759
[pid 17755] tkill(17759, SIGSTOP./strace-static-x86_64: Process 17759 attached
)       = 0
[pid 17759] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17755, si_uid=65534} ---
[pid 17755] exit_group(0 <unfinished ...>
[pid 17759] --- stopped by SIGSTOP ---
[pid 17755] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17759, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17755] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17760 attached
, child_tidptr=0x5555574e8650) = 17760
[pid 17760] set_robust_list(0x5555574e8660, 24) = 0
[pid 17760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17760] setpgid(0, 0)               = 0
[pid 17760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17760] write(3, "1000", 4)         = 4
[pid 17760] close(3)                    = 0
[  236.048733][T17755] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17760] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17760] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17760] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17760] close(5)                    = 0
[pid 17760] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17763 attached
) = 17763
[pid 17760] tkill(17763, SIGSTOP)       = 0
[pid 17760] exit_group(0 <unfinished ...>
[pid 17763] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17760, si_uid=65534} ---
[pid 17760] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17763, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17763] --- stopped by SIGSTOP ---
[pid 17760] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17764 attached
, child_tidptr=0x5555574e8650) = 17764
[pid 17764] set_robust_list(0x5555574e8660, 24) = 0
[pid 17764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17764] setpgid(0, 0)               = 0
[pid 17764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17764] write(3, "1000", 4)         = 4
[pid 17764] close(3)                    = 0
[pid 17764] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17764] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  236.117175][T17760] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17764] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17764] close(5)                    = 0
[pid 17764] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17767 attached
) = 17767
[pid 17764] tkill(17767, SIGSTOP)       = 0
[pid 17767] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17764, si_uid=65534} ---
[pid 17764] exit_group(0 <unfinished ...>
[pid 17767] --- stopped by SIGSTOP ---
[pid 17764] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17767, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17764] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17768 attached
, child_tidptr=0x5555574e8650) = 17768
[pid 17768] set_robust_list(0x5555574e8660, 24) = 0
[pid 17768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17768] setpgid(0, 0)               = 0
[pid 17768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17768] write(3, "1000", 4)         = 4
[pid 17768] close(3)                    = 0
[pid 17768] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.177432][T17764] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17768] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17768] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17768] close(5)                    = 0
[pid 17768] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17771 attached
) = 17771
[pid 17768] tkill(17771, SIGSTOP)       = 0
[pid 17771] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17768, si_uid=65534} ---
[pid 17768] exit_group(0 <unfinished ...>
[pid 17771] --- stopped by SIGSTOP ---
[pid 17768] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17771, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17768] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17768, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17772 attached
, child_tidptr=0x5555574e8650) = 17772
[pid 17772] set_robust_list(0x5555574e8660, 24) = 0
[pid 17772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17772] setpgid(0, 0)               = 0
[pid 17772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17772] write(3, "1000", 4)         = 4
[pid 17772] close(3)                    = 0
[pid 17772] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.243886][T17768] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17772] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17772] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17772] close(5)                    = 0
[pid 17772] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17775 attached
) = 17775
[pid 17772] tkill(17775, SIGSTOP)       = 0
[pid 17772] exit_group(0 <unfinished ...>
[pid 17775] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17772, si_uid=65534} ---
[pid 17772] <... exit_group resumed>)   = ?
[pid 17775] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17775, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17772] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17776 attached
, child_tidptr=0x5555574e8650) = 17776
[pid 17776] set_robust_list(0x5555574e8660, 24) = 0
[pid 17776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17776] setpgid(0, 0)               = 0
[pid 17776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17776] write(3, "1000", 4)         = 4
[pid 17776] close(3)                    = 0
[pid 17776] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17776] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  236.310942][T17772] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17776] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17776] close(5)                    = 0
[pid 17776] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17779 attached
) = 17779
[pid 17776] tkill(17779, SIGSTOP)       = 0
[pid 17779] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17776, si_uid=65534} ---
[pid 17776] exit_group(0 <unfinished ...>
[pid 17779] --- stopped by SIGSTOP ---
[pid 17776] <... exit_group resumed>)   = ?
[pid 17776] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17779, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17780 attached
, child_tidptr=0x5555574e8650) = 17780
[pid 17780] set_robust_list(0x5555574e8660, 24) = 0
[pid 17780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17780] setpgid(0, 0)               = 0
[pid 17780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17780] write(3, "1000", 4)         = 4
[pid 17780] close(3)                    = 0
[pid 17780] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.374962][T17776] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17780] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17780] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17780] close(5)                    = 0
[pid 17780] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17783 attached
) = 17783
[pid 17780] tkill(17783, SIGSTOP)       = 0
[pid 17783] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17780, si_uid=65534} ---
[pid 17780] exit_group(0 <unfinished ...>
[pid 17783] --- stopped by SIGSTOP ---
[pid 17780] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17783, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17780] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17784 attached
, child_tidptr=0x5555574e8650) = 17784
[pid 17784] set_robust_list(0x5555574e8660, 24) = 0
[pid 17784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17784] setpgid(0, 0)               = 0
[pid 17784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17784] write(3, "1000", 4)         = 4
[pid 17784] close(3)                    = 0
[pid 17784] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17784] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  236.441305][T17780] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17784] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17784] close(5)                    = 0
[pid 17784] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17787 attached
) = 17787
[pid 17784] tkill(17787, SIGSTOP)       = 0
[pid 17787] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17784, si_uid=65534} ---
[pid 17784] exit_group(0 <unfinished ...>
[pid 17787] --- stopped by SIGSTOP ---
[pid 17784] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17787, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17784] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17788 attached
, child_tidptr=0x5555574e8650) = 17788
[pid 17788] set_robust_list(0x5555574e8660, 24) = 0
[pid 17788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17788] setpgid(0, 0)               = 0
[pid 17788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17788] write(3, "1000", 4)         = 4
[pid 17788] close(3)                    = 0
[pid 17788] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.506956][T17784] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17788] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17788] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17788] close(5)                    = 0
[pid 17788] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17791 attached
) = 17791
[pid 17788] tkill(17791, SIGSTOP)       = 0
[pid 17791] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17788, si_uid=65534} ---
[pid 17788] exit_group(0 <unfinished ...>
[pid 17791] --- stopped by SIGSTOP ---
[pid 17788] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17791, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17788] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17788, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17792 attached
, child_tidptr=0x5555574e8650) = 17792
[pid 17792] set_robust_list(0x5555574e8660, 24) = 0
[pid 17792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17792] setpgid(0, 0)               = 0
[pid 17792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17792] write(3, "1000", 4)         = 4
[pid 17792] close(3)                    = 0
[  236.572696][T17788] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17792] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17792] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17792] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17792] close(5)                    = 0
[pid 17792] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17795 attached
) = 17795
[pid 17792] tkill(17795, SIGSTOP)       = 0
[pid 17792] exit_group(0 <unfinished ...>
[pid 17795] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17792, si_uid=65534} ---
[pid 17792] <... exit_group resumed>)   = ?
[pid 17795] --- stopped by SIGSTOP ---
[pid 17792] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17795, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17796 attached
, child_tidptr=0x5555574e8650) = 17796
[pid 17796] set_robust_list(0x5555574e8660, 24) = 0
[pid 17796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17796] setpgid(0, 0)               = 0
[pid 17796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17796] write(3, "1000", 4)         = 4
[pid 17796] close(3)                    = 0
[pid 17796] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17796] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  236.640483][T17792] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17796] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17796] close(5)                    = 0
[pid 17796] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17799 attached
) = 17799
[pid 17796] tkill(17799, SIGSTOP)       = 0
[pid 17799] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17796, si_uid=65534} ---
[pid 17796] exit_group(0 <unfinished ...>
[pid 17799] --- stopped by SIGSTOP ---
[pid 17796] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17799, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17796] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17796, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17800 attached
, child_tidptr=0x5555574e8650) = 17800
[pid 17800] set_robust_list(0x5555574e8660, 24) = 0
[pid 17800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17800] setpgid(0, 0)               = 0
[pid 17800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17800] write(3, "1000", 4)         = 4
[pid 17800] close(3)                    = 0
[pid 17800] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17800] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  236.704154][T17796] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17800] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17800] close(5)                    = 0
[pid 17800] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17803 attached
) = 17803
[pid 17800] tkill(17803, SIGSTOP)       = 0
[pid 17803] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17800, si_uid=65534} ---
[pid 17800] exit_group(0 <unfinished ...>
[pid 17803] --- stopped by SIGSTOP ---
[pid 17800] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17803, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17800] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17804 attached
, child_tidptr=0x5555574e8650) = 17804
[pid 17804] set_robust_list(0x5555574e8660, 24) = 0
[pid 17804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17804] setpgid(0, 0)               = 0
[pid 17804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17804] write(3, "1000", 4)         = 4
[pid 17804] close(3)                    = 0
[pid 17804] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.765983][T17800] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17804] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17804] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17804] close(5)                    = 0
[pid 17804] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17807 attached
) = 17807
[pid 17804] tkill(17807, SIGSTOP)       = 0
[pid 17807] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17804, si_uid=65534} ---
[pid 17804] exit_group(0 <unfinished ...>
[pid 17807] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17807, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17804] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17804] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17804, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17808 attached
, child_tidptr=0x5555574e8650) = 17808
[pid 17808] set_robust_list(0x5555574e8660, 24) = 0
[pid 17808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17808] setpgid(0, 0)               = 0
[pid 17808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17808] write(3, "1000", 4)         = 4
[  236.831722][T17804] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17808] close(3)                    = 0
[pid 17808] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17808] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17808] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17808] close(5)                    = 0
[pid 17808] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17811 attached
) = 17811
[pid 17808] tkill(17811, SIGSTOP)       = 0
[pid 17811] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17808, si_uid=65534} ---
[pid 17808] exit_group(0 <unfinished ...>
[pid 17811] --- stopped by SIGSTOP ---
[pid 17808] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17811, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17808] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17808, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17812 attached
, child_tidptr=0x5555574e8650) = 17812
[pid 17812] set_robust_list(0x5555574e8660, 24) = 0
[pid 17812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17812] setpgid(0, 0)               = 0
[pid 17812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17812] write(3, "1000", 4)         = 4
[pid 17812] close(3)                    = 0
[pid 17812] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.905092][T17808] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17812] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17812] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17812] close(5)                    = 0
[pid 17812] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17815 attached
) = 17815
[pid 17812] tkill(17815, SIGSTOP)       = 0
[pid 17812] exit_group(0 <unfinished ...>
[pid 17815] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17812, si_uid=65534} ---
[pid 17812] <... exit_group resumed>)   = ?
[pid 17815] --- stopped by SIGSTOP ---
[pid 17812] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17815, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17816 attached
, child_tidptr=0x5555574e8650) = 17816
[pid 17816] set_robust_list(0x5555574e8660, 24) = 0
[pid 17816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17816] setpgid(0, 0)               = 0
[pid 17816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17816] write(3, "1000", 4)         = 4
[pid 17816] close(3)                    = 0
[pid 17816] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  236.970018][T17812] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17816] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17816] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17816] close(5)                    = 0
[pid 17816] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17819 attached
) = 17819
[pid 17816] tkill(17819, SIGSTOP)       = 0
[pid 17819] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17816, si_uid=65534} ---
[pid 17816] exit_group(0 <unfinished ...>
[pid 17819] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17819, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17816] <... exit_group resumed>)   = ?
[pid 17816] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17820 attached
, child_tidptr=0x5555574e8650) = 17820
[pid 17820] set_robust_list(0x5555574e8660, 24) = 0
[pid 17820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17820] setpgid(0, 0)               = 0
[pid 17820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17820] write(3, "1000", 4)         = 4
[pid 17820] close(3)                    = 0
[pid 17820] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17820] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.038520][T17816] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17820] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17820] close(5)                    = 0
[pid 17820] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17823 attached
) = 17823
[pid 17820] tkill(17823, SIGSTOP)       = 0
[pid 17823] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17820, si_uid=65534} ---
[pid 17820] exit_group(0 <unfinished ...>
[pid 17823] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17823, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17820] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17820] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17824 attached
, child_tidptr=0x5555574e8650) = 17824
[pid 17824] set_robust_list(0x5555574e8660, 24) = 0
[pid 17824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17824] setpgid(0, 0)               = 0
[pid 17824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17824] write(3, "1000", 4)         = 4
[pid 17824] close(3)                    = 0
[pid 17824] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17824] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.096868][T17820] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17824] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17824] close(5)                    = 0
[pid 17824] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17827 attached
) = 17827
[pid 17824] tkill(17827, SIGSTOP)       = 0
[pid 17827] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17824, si_uid=65534} ---
[pid 17824] exit_group(0 <unfinished ...>
[pid 17827] --- stopped by SIGSTOP ---
[pid 17824] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17827, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17824] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17824, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17828 attached
, child_tidptr=0x5555574e8650) = 17828
[pid 17828] set_robust_list(0x5555574e8660, 24) = 0
[pid 17828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17828] setpgid(0, 0)               = 0
[pid 17828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17828] write(3, "1000", 4)         = 4
[pid 17828] close(3)                    = 0
[  237.160808][T17824] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17828] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17828] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17828] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17828] close(5)                    = 0
[pid 17828] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17831 attached
) = 17831
[pid 17828] tkill(17831, SIGSTOP)       = 0
[pid 17831] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17828, si_uid=65534} ---
[pid 17828] exit_group(0 <unfinished ...>
[pid 17831] --- stopped by SIGSTOP ---
[pid 17828] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17831, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17828] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17832 attached
, child_tidptr=0x5555574e8650) = 17832
[pid 17832] set_robust_list(0x5555574e8660, 24) = 0
[pid 17832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17832] setpgid(0, 0)               = 0
[pid 17832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17832] write(3, "1000", 4)         = 4
[pid 17832] close(3)                    = 0
[pid 17832] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17832] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.231835][T17828] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17832] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17832] close(5)                    = 0
[pid 17832] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17835 attached
) = 17835
[pid 17832] tkill(17835, SIGSTOP)       = 0
[pid 17835] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17832, si_uid=65534} ---
[pid 17832] exit_group(0 <unfinished ...>
[pid 17835] --- stopped by SIGSTOP ---
[pid 17832] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17835, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17832] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17832, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17836 attached
, child_tidptr=0x5555574e8650) = 17836
[pid 17836] set_robust_list(0x5555574e8660, 24) = 0
[pid 17836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17836] setpgid(0, 0)               = 0
[pid 17836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17836] write(3, "1000", 4)         = 4
[pid 17836] close(3)                    = 0
[pid 17836] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17836] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.294874][T17832] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17836] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17836] close(5)                    = 0
[pid 17836] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17839 attached
) = 17839
[pid 17836] tkill(17839, SIGSTOP)       = 0
[pid 17839] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17836, si_uid=65534} ---
[pid 17836] exit_group(0 <unfinished ...>
[pid 17839] --- stopped by SIGSTOP ---
[pid 17836] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17839, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17836] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17840 attached
, child_tidptr=0x5555574e8650) = 17840
[pid 17840] set_robust_list(0x5555574e8660, 24) = 0
[pid 17840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17840] setpgid(0, 0)               = 0
[pid 17840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17840] write(3, "1000", 4)         = 4
[pid 17840] close(3)                    = 0
[pid 17840] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17840] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.357476][T17836] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17840] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17840] close(5)                    = 0
[pid 17840] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17843 attached
) = 17843
[pid 17840] tkill(17843, SIGSTOP)       = 0
[pid 17843] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17840, si_uid=65534} ---
[pid 17840] exit_group(0 <unfinished ...>
[pid 17843] --- stopped by SIGSTOP ---
[pid 17840] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17843, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17840] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17844 attached
, child_tidptr=0x5555574e8650) = 17844
[pid 17844] set_robust_list(0x5555574e8660, 24) = 0
[pid 17844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17844] setpgid(0, 0)               = 0
[pid 17844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17844] write(3, "1000", 4)         = 4
[  237.419925][T17840] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17844] close(3)                    = 0
[pid 17844] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17844] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17844] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17844] close(5)                    = 0
[pid 17844] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17847 attached
) = 17847
[pid 17844] tkill(17847, SIGSTOP)       = 0
[pid 17847] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17844, si_uid=65534} ---
[pid 17844] exit_group(0 <unfinished ...>
[pid 17847] --- stopped by SIGSTOP ---
[pid 17844] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17847, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17844] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17844, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17848 attached
, child_tidptr=0x5555574e8650) = 17848
[pid 17848] set_robust_list(0x5555574e8660, 24) = 0
[pid 17848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17848] setpgid(0, 0)               = 0
[pid 17848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17848] write(3, "1000", 4)         = 4
[pid 17848] close(3)                    = 0
[pid 17848] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17848] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.493662][T17844] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17848] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17848] close(5)                    = 0
[pid 17848] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17851 attached
) = 17851
[pid 17848] tkill(17851, SIGSTOP)       = 0
[pid 17851] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17848, si_uid=65534} ---
[pid 17848] exit_group(0 <unfinished ...>
[pid 17851] --- stopped by SIGSTOP ---
[pid 17848] <... exit_group resumed>)   = ?
[pid 17848] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17851, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17852 attached
, child_tidptr=0x5555574e8650) = 17852
[pid 17852] set_robust_list(0x5555574e8660, 24) = 0
[pid 17852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17852] setpgid(0, 0)               = 0
[pid 17852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17852] write(3, "1000", 4)         = 4
[pid 17852] close(3)                    = 0
[pid 17852] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17852] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.556422][T17848] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17852] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17852] close(5)                    = 0
[pid 17852] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17855 attached
) = 17855
[pid 17852] tkill(17855, SIGSTOP)       = 0
[pid 17855] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17852, si_uid=65534} ---
[pid 17852] exit_group(0 <unfinished ...>
[pid 17855] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17855, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17852] <... exit_group resumed>)   = ?
[pid 17852] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 17857
./strace-static-x86_64: Process 17857 attached
[pid 17857] set_robust_list(0x5555574e8660, 24) = 0
[pid 17857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17857] setpgid(0, 0)               = 0
[pid 17857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17857] write(3, "1000", 4)         = 4
[pid 17857] close(3)                    = 0
[  237.620836][T17852] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17857] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17857] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17857] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17857] close(5)                    = 0
[pid 17857] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17860 attached
) = 17860
[pid 17857] tkill(17860, SIGSTOP)       = 0
[pid 17860] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17857, si_uid=65534} ---
[pid 17857] exit_group(0 <unfinished ...>
[pid 17860] --- stopped by SIGSTOP ---
[pid 17857] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17860, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17857] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17857, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17861 attached
, child_tidptr=0x5555574e8650) = 17861
[pid 17861] set_robust_list(0x5555574e8660, 24) = 0
[pid 17861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17861] setpgid(0, 0)               = 0
[pid 17861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17861] write(3, "1000", 4)         = 4
[pid 17861] close(3)                    = 0
[pid 17861] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  237.690404][T17857] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17861] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17861] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17861] close(5)                    = 0
[pid 17861] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17864 attached
) = 17864
[pid 17861] tkill(17864, SIGSTOP)       = 0
[pid 17864] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17861, si_uid=65534} ---
[pid 17861] exit_group(0 <unfinished ...>
[pid 17864] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17864, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17861] <... exit_group resumed>)   = ?
[pid 17861] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17865 attached
, child_tidptr=0x5555574e8650) = 17865
[pid 17865] set_robust_list(0x5555574e8660, 24) = 0
[pid 17865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17865] setpgid(0, 0)               = 0
[pid 17865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17865] write(3, "1000", 4)         = 4
[pid 17865] close(3)                    = 0
[pid 17865] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  237.756270][T17861] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17865] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17865] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17865] close(5)                    = 0
[pid 17865] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17868 attached
) = 17868
[pid 17865] tkill(17868, SIGSTOP)       = 0
[pid 17868] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17865, si_uid=65534} ---
[pid 17865] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17868, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17868] --- stopped by SIGSTOP ---
[pid 17865] <... exit_group resumed>)   = ?
[pid 17865] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17865, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17869 attached
, child_tidptr=0x5555574e8650) = 17869
[pid 17869] set_robust_list(0x5555574e8660, 24) = 0
[pid 17869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17869] setpgid(0, 0)               = 0
[pid 17869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17869] write(3, "1000", 4)         = 4
[pid 17869] close(3)                    = 0
[pid 17869] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17869] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  237.821338][T17865] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17869] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17869] close(5)                    = 0
[pid 17869] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17872 attached
) = 17872
[pid 17869] tkill(17872, SIGSTOP)       = 0
[pid 17872] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17869, si_uid=65534} ---
[pid 17869] exit_group(0 <unfinished ...>
[pid 17872] --- stopped by SIGSTOP ---
[pid 17869] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17872, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17869] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17873 attached
, child_tidptr=0x5555574e8650) = 17873
[pid 17873] set_robust_list(0x5555574e8660, 24) = 0
[pid 17873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17873] setpgid(0, 0)               = 0
[pid 17873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17873] write(3, "1000", 4)         = 4
[pid 17873] close(3)                    = 0
[pid 17873] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  237.885430][T17869] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17873] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17873] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17873] close(5)                    = 0
[pid 17873] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17876 attached
) = 17876
[pid 17873] tkill(17876, SIGSTOP)       = 0
[pid 17876] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17873, si_uid=65534} ---
[pid 17873] exit_group(0 <unfinished ...>
[pid 17876] --- stopped by SIGSTOP ---
[pid 17873] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17876, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17873] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17877 attached
, child_tidptr=0x5555574e8650) = 17877
[pid 17877] set_robust_list(0x5555574e8660, 24) = 0
[pid 17877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17877] setpgid(0, 0)               = 0
[pid 17877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  237.950850][T17873] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17877] write(3, "1000", 4)         = 4
[pid 17877] close(3)                    = 0
[pid 17877] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17877] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17877] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17877] close(5)                    = 0
[pid 17877] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17880 attached
) = 17880
[pid 17877] tkill(17880, SIGSTOP)       = 0
[pid 17880] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17877, si_uid=65534} ---
[pid 17877] exit_group(0 <unfinished ...>
[pid 17880] --- stopped by SIGSTOP ---
[pid 17877] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17880, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17877] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17877, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17881 attached
, child_tidptr=0x5555574e8650) = 17881
[pid 17881] set_robust_list(0x5555574e8660, 24) = 0
[pid 17881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17881] setpgid(0, 0)               = 0
[pid 17881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17881] write(3, "1000", 4)         = 4
[  238.024655][T17877] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17881] close(3)                    = 0
[pid 17881] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17881] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17881] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17881] close(5)                    = 0
[pid 17881] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17885 attached
) = 17885
[pid 17881] tkill(17885, SIGSTOP)       = 0
[pid 17885] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17881, si_uid=65534} ---
[pid 17881] exit_group(0 <unfinished ...>
[pid 17885] --- stopped by SIGSTOP ---
[pid 17881] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17885, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17881] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17886 attached
, child_tidptr=0x5555574e8650) = 17886
[pid 17886] set_robust_list(0x5555574e8660, 24) = 0
[pid 17886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17886] setpgid(0, 0)               = 0
[pid 17886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17886] write(3, "1000", 4)         = 4
[pid 17886] close(3)                    = 0
[pid 17886] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17886] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.106389][T17881] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17886] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17886] close(5)                    = 0
[pid 17886] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17889 attached
) = 17889
[pid 17886] tkill(17889, SIGSTOP)       = 0
[pid 17889] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17886, si_uid=65534} ---
[pid 17886] exit_group(0 <unfinished ...>
[pid 17889] --- stopped by SIGSTOP ---
[pid 17886] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17889, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17886] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17890 attached
, child_tidptr=0x5555574e8650) = 17890
[pid 17890] set_robust_list(0x5555574e8660, 24) = 0
[pid 17890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17890] setpgid(0, 0)               = 0
[pid 17890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17890] write(3, "1000", 4)         = 4
[pid 17890] close(3)                    = 0
[pid 17890] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  238.170873][T17886] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17890] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17890] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17890] close(5)                    = 0
[pid 17890] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17893 attached
) = 17893
[pid 17890] tkill(17893, SIGSTOP)       = 0
[pid 17893] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17890, si_uid=65534} ---
[pid 17890] exit_group(0 <unfinished ...>
[pid 17893] --- stopped by SIGSTOP ---
[pid 17890] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17893, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17890] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17894 attached
, child_tidptr=0x5555574e8650) = 17894
[pid 17894] set_robust_list(0x5555574e8660, 24) = 0
[pid 17894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17894] setpgid(0, 0)               = 0
[pid 17894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  238.236681][T17890] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17894] write(3, "1000", 4)         = 4
[pid 17894] close(3)                    = 0
[pid 17894] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17894] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17894] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17894] close(5)                    = 0
[pid 17894] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17897 attached
) = 17897
[pid 17894] tkill(17897, SIGSTOP)       = 0
[pid 17897] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17894, si_uid=65534} ---
[pid 17894] exit_group(0 <unfinished ...>
[pid 17897] --- stopped by SIGSTOP ---
[pid 17894] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17897, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17894] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17894, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17898 attached
, child_tidptr=0x5555574e8650) = 17898
[pid 17898] set_robust_list(0x5555574e8660, 24) = 0
[pid 17898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17898] setpgid(0, 0)               = 0
[pid 17898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  238.311592][T17894] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17898] write(3, "1000", 4)         = 4
[pid 17898] close(3)                    = 0
[pid 17898] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17898] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17898] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17898] close(5)                    = 0
[pid 17898] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17901 attached
) = 17901
[pid 17898] tkill(17901, SIGSTOP)       = 0
[pid 17901] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17898, si_uid=65534} ---
[pid 17898] exit_group(0 <unfinished ...>
[pid 17901] --- stopped by SIGSTOP ---
[pid 17898] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17901, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17898] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17898, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17902 attached
, child_tidptr=0x5555574e8650) = 17902
[pid 17902] set_robust_list(0x5555574e8660, 24) = 0
[pid 17902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17902] setpgid(0, 0)               = 0
[pid 17902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17902] write(3, "1000", 4)         = 4
[pid 17902] close(3)                    = 0
[  238.386177][T17898] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17902] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17902] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17902] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17902] close(5)                    = 0
[pid 17902] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17905 attached
) = 17905
[pid 17902] tkill(17905, SIGSTOP)       = 0
[pid 17905] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17902, si_uid=65534} ---
[pid 17902] exit_group(0 <unfinished ...>
[pid 17905] --- stopped by SIGSTOP ---
[pid 17902] <... exit_group resumed>)   = ?
[pid 17902] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17905, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17906 attached
, child_tidptr=0x5555574e8650) = 17906
[pid 17906] set_robust_list(0x5555574e8660, 24) = 0
[pid 17906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17906] setpgid(0, 0)               = 0
[pid 17906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17906] write(3, "1000", 4)         = 4
[pid 17906] close(3)                    = 0
[pid 17906] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17906] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.454306][T17902] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17906] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17906] close(5)                    = 0
[pid 17906] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17909 attached
) = 17909
[pid 17906] tkill(17909, SIGSTOP)       = 0
[pid 17909] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17906, si_uid=65534} ---
[pid 17906] exit_group(0 <unfinished ...>
[pid 17909] --- stopped by SIGSTOP ---
[pid 17906] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17909, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17906] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17910 attached
, child_tidptr=0x5555574e8650) = 17910
[pid 17910] set_robust_list(0x5555574e8660, 24) = 0
[pid 17910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17910] setpgid(0, 0)               = 0
[pid 17910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17910] write(3, "1000", 4)         = 4
[pid 17910] close(3)                    = 0
[pid 17910] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17910] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.517430][T17906] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17910] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17910] close(5)                    = 0
[pid 17910] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17913 attached
) = 17913
[pid 17910] tkill(17913, SIGSTOP)       = 0
[pid 17913] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17910, si_uid=65534} ---
[pid 17910] exit_group(0 <unfinished ...>
[pid 17913] --- stopped by SIGSTOP ---
[pid 17910] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17913, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17910] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17910, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17914 attached
, child_tidptr=0x5555574e8650) = 17914
[pid 17914] set_robust_list(0x5555574e8660, 24) = 0
[pid 17914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17914] setpgid(0, 0)               = 0
[pid 17914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17914] write(3, "1000", 4)         = 4
[pid 17914] close(3)                    = 0
[pid 17914] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17914] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.579690][T17910] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17914] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17914] close(5)                    = 0
[pid 17914] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17917 attached
) = 17917
[pid 17914] tkill(17917, SIGSTOP)       = 0
[pid 17917] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17914, si_uid=65534} ---
[pid 17914] exit_group(0 <unfinished ...>
[pid 17917] --- stopped by SIGSTOP ---
[pid 17914] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17917, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17914] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17914, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17918 attached
, child_tidptr=0x5555574e8650) = 17918
[pid 17918] set_robust_list(0x5555574e8660, 24) = 0
[pid 17918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17918] setpgid(0, 0)               = 0
[pid 17918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17918] write(3, "1000", 4)         = 4
[pid 17918] close(3)                    = 0
[pid 17918] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17918] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.643249][T17914] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17918] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17918] close(5)                    = 0
[pid 17918] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17921 attached
) = 17921
[pid 17918] tkill(17921, SIGSTOP)       = 0
[pid 17921] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17918, si_uid=65534} ---
[pid 17918] exit_group(0 <unfinished ...>
[pid 17921] --- stopped by SIGSTOP ---
[pid 17918] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17921, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17918] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17922 attached
, child_tidptr=0x5555574e8650) = 17922
[pid 17922] set_robust_list(0x5555574e8660, 24) = 0
[pid 17922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17922] setpgid(0, 0)               = 0
[pid 17922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17922] write(3, "1000", 4)         = 4
[pid 17922] close(3)                    = 0
[pid 17922] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  238.705723][T17918] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17922] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17922] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17922] close(5)                    = 0
[pid 17922] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17925 attached
) = 17925
[pid 17922] tkill(17925, SIGSTOP)       = 0
[pid 17925] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17922, si_uid=65534} ---
[pid 17922] exit_group(0 <unfinished ...>
[pid 17925] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17925, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17922] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 17922] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17926 attached
, child_tidptr=0x5555574e8650) = 17926
[pid 17926] set_robust_list(0x5555574e8660, 24) = 0
[pid 17926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17926] setpgid(0, 0)               = 0
[pid 17926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17926] write(3, "1000", 4)         = 4
[pid 17926] close(3)                    = 0
[pid 17926] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17926] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.770922][T17922] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17926] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17926] close(5)                    = 0
[pid 17926] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17929 attached
) = 17929
[pid 17926] tkill(17929, SIGSTOP)       = 0
[pid 17929] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17926, si_uid=65534} ---
[pid 17926] exit_group(0 <unfinished ...>
[pid 17929] --- stopped by SIGSTOP ---
[pid 17926] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17929, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17926] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17930 attached
, child_tidptr=0x5555574e8650) = 17930
[pid 17930] set_robust_list(0x5555574e8660, 24) = 0
[pid 17930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17930] setpgid(0, 0)               = 0
[pid 17930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17930] write(3, "1000", 4)         = 4
[pid 17930] close(3)                    = 0
[pid 17930] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17930] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.833756][T17926] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17930] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17930] close(5)                    = 0
[pid 17930] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17933 attached
) = 17933
[pid 17930] tkill(17933, SIGSTOP)       = 0
[pid 17933] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17930, si_uid=65534} ---
[pid 17930] exit_group(0 <unfinished ...>
[pid 17933] --- stopped by SIGSTOP ---
[pid 17930] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17933, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17930] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17934 attached
, child_tidptr=0x5555574e8650) = 17934
[pid 17934] set_robust_list(0x5555574e8660, 24) = 0
[pid 17934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17934] setpgid(0, 0)               = 0
[pid 17934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17934] write(3, "1000", 4)         = 4
[pid 17934] close(3)                    = 0
[pid 17934] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17934] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  238.898244][T17930] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17934] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17934] close(5)                    = 0
[pid 17934] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17937 attached
) = 17937
[pid 17934] tkill(17937, SIGSTOP)       = 0
[pid 17937] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17934, si_uid=65534} ---
[pid 17934] exit_group(0 <unfinished ...>
[pid 17937] --- stopped by SIGSTOP ---
[pid 17934] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17937, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17934] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17934, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17938 attached
, child_tidptr=0x5555574e8650) = 17938
[pid 17938] set_robust_list(0x5555574e8660, 24) = 0
[pid 17938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17938] setpgid(0, 0)               = 0
[pid 17938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17938] write(3, "1000", 4)         = 4
[pid 17938] close(3)                    = 0
[pid 17938] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  238.960807][T17934] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17938] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17938] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17938] close(5)                    = 0
[pid 17938] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17941 attached
) = 17941
[pid 17938] tkill(17941, SIGSTOP)       = 0
[pid 17941] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17938, si_uid=65534} ---
[pid 17938] exit_group(0 <unfinished ...>
[pid 17941] --- stopped by SIGSTOP ---
[pid 17938] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17941, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17938] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17942 attached
, child_tidptr=0x5555574e8650) = 17942
[pid 17942] set_robust_list(0x5555574e8660, 24) = 0
[pid 17942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17942] setpgid(0, 0)               = 0
[pid 17942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17942] write(3, "1000", 4)         = 4
[pid 17942] close(3)                    = 0
[pid 17942] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17942] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.025523][T17938] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17942] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17942] close(5)                    = 0
[pid 17942] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17945 attached
) = 17945
[pid 17942] tkill(17945, SIGSTOP)       = 0
[pid 17945] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17942, si_uid=65534} ---
[pid 17942] exit_group(0 <unfinished ...>
[pid 17945] --- stopped by SIGSTOP ---
[pid 17942] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17945, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17942] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17946 attached
, child_tidptr=0x5555574e8650) = 17946
[pid 17946] set_robust_list(0x5555574e8660, 24) = 0
[pid 17946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17946] setpgid(0, 0)               = 0
[pid 17946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17946] write(3, "1000", 4)         = 4
[pid 17946] close(3)                    = 0
[pid 17946] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  239.089021][T17942] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17946] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17946] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17946] close(5)                    = 0
[pid 17946] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17949 attached
) = 17949
[pid 17946] tkill(17949, SIGSTOP)       = 0
[pid 17949] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17946, si_uid=65534} ---
[pid 17946] exit_group(0 <unfinished ...>
[pid 17949] --- stopped by SIGSTOP ---
[pid 17946] <... exit_group resumed>)   = ?
[pid 17946] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17949, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17950 attached
, child_tidptr=0x5555574e8650) = 17950
[pid 17950] set_robust_list(0x5555574e8660, 24) = 0
[pid 17950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17950] setpgid(0, 0)               = 0
[pid 17950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17950] write(3, "1000", 4)         = 4
[pid 17950] close(3)                    = 0
[pid 17950] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17950] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.155372][T17946] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17950] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17950] close(5)                    = 0
[pid 17950] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17953 attached
) = 17953
[pid 17950] tkill(17953, SIGSTOP)       = 0
[pid 17950] exit_group(0 <unfinished ...>
[pid 17953] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17950, si_uid=65534} ---
[pid 17950] <... exit_group resumed>)   = ?
[pid 17953] --- stopped by SIGSTOP ---
[pid 17950] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17953, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17954 attached
, child_tidptr=0x5555574e8650) = 17954
[pid 17954] set_robust_list(0x5555574e8660, 24) = 0
[pid 17954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17954] setpgid(0, 0)               = 0
[pid 17954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17954] write(3, "1000", 4)         = 4
[pid 17954] close(3)                    = 0
[pid 17954] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17954] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.218915][T17950] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17954] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17954] close(5)                    = 0
[pid 17954] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17957 attached
) = 17957
[pid 17954] tkill(17957, SIGSTOP)       = 0
[pid 17957] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17954, si_uid=65534} ---
[pid 17954] exit_group(0 <unfinished ...>
[pid 17957] --- stopped by SIGSTOP ---
[pid 17954] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17957, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17954] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17958 attached
, child_tidptr=0x5555574e8650) = 17958
[pid 17958] set_robust_list(0x5555574e8660, 24) = 0
[pid 17958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17958] setpgid(0, 0)               = 0
[pid 17958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17958] write(3, "1000", 4)         = 4
[pid 17958] close(3)                    = 0
[pid 17958] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17958] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.278259][T17954] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17958] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17958] close(5)                    = 0
[pid 17958] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17961 attached
) = 17961
[pid 17958] tkill(17961, SIGSTOP)       = 0
[pid 17961] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17958, si_uid=65534} ---
[pid 17958] exit_group(0 <unfinished ...>
[pid 17961] --- stopped by SIGSTOP ---
[pid 17958] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17961, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17958] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17958, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17962 attached
, child_tidptr=0x5555574e8650) = 17962
[pid 17962] set_robust_list(0x5555574e8660, 24) = 0
[pid 17962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17962] setpgid(0, 0)               = 0
[pid 17962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17962] write(3, "1000", 4)         = 4
[pid 17962] close(3)                    = 0
[pid 17962] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17962] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.342608][T17958] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17962] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17962] close(5)                    = 0
[pid 17962] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17965 attached
) = 17965
[pid 17962] tkill(17965, SIGSTOP)       = 0
[pid 17965] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17962, si_uid=65534} ---
[pid 17962] exit_group(0 <unfinished ...>
[pid 17965] --- stopped by SIGSTOP ---
[pid 17962] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17965, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 17962] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17966 attached
, child_tidptr=0x5555574e8650) = 17966
[pid 17966] set_robust_list(0x5555574e8660, 24) = 0
[pid 17966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17966] setpgid(0, 0)               = 0
[pid 17966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  239.405281][T17962] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17966] write(3, "1000", 4)         = 4
[pid 17966] close(3)                    = 0
[pid 17966] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17966] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17966] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17966] close(5)                    = 0
[pid 17966] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17969 attached
) = 17969
[pid 17966] tkill(17969, SIGSTOP)       = 0
[pid 17969] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17966, si_uid=65534} ---
[pid 17966] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17969, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17969] --- stopped by SIGSTOP ---
[pid 17966] <... exit_group resumed>)   = ?
[pid 17966] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17970 attached
, child_tidptr=0x5555574e8650) = 17970
[pid 17970] set_robust_list(0x5555574e8660, 24) = 0
[pid 17970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17970] setpgid(0, 0)               = 0
[pid 17970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17970] write(3, "1000", 4)         = 4
[pid 17970] close(3)                    = 0
[pid 17970] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17970] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.479718][T17966] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17970] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17970] close(5)                    = 0
[pid 17970] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17973 attached
) = 17973
[pid 17970] tkill(17973, SIGSTOP)       = 0
[pid 17973] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17970, si_uid=65534} ---
[pid 17970] exit_group(0 <unfinished ...>
[pid 17973] --- stopped by SIGSTOP ---
[pid 17970] <... exit_group resumed>)   = ?
[pid 17970] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17973, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17974 attached
, child_tidptr=0x5555574e8650) = 17974
[pid 17974] set_robust_list(0x5555574e8660, 24) = 0
[pid 17974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17974] setpgid(0, 0)               = 0
[pid 17974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17974] write(3, "1000", 4)         = 4
[pid 17974] close(3)                    = 0
[pid 17974] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17974] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.540334][T17970] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17974] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17974] close(5)                    = 0
[pid 17974] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 17977
./strace-static-x86_64: Process 17977 attached
[pid 17974] tkill(17977, SIGSTOP)       = 0
[pid 17977] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17974, si_uid=65534} ---
[pid 17974] exit_group(0 <unfinished ...>
[pid 17977] --- stopped by SIGSTOP ---
[pid 17974] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17977, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17974] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17979 attached
, child_tidptr=0x5555574e8650) = 17979
[pid 17979] set_robust_list(0x5555574e8660, 24) = 0
[pid 17979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17979] setpgid(0, 0)               = 0
[pid 17979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17979] write(3, "1000", 4)         = 4
[  239.603628][T17974] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17979] close(3)                    = 0
[pid 17979] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17979] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17979] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17979] close(5)                    = 0
[pid 17979] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17982 attached
) = 17982
[pid 17979] tkill(17982, SIGSTOP)       = 0
[pid 17982] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17979, si_uid=65534} ---
[pid 17979] exit_group(0 <unfinished ...>
[pid 17982] --- stopped by SIGSTOP ---
[pid 17979] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17982, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17979] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17983 attached
, child_tidptr=0x5555574e8650) = 17983
[pid 17983] set_robust_list(0x5555574e8660, 24) = 0
[pid 17983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17983] setpgid(0, 0)               = 0
[pid 17983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17983] write(3, "1000", 4)         = 4
[pid 17983] close(3)                    = 0
[pid 17983] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17983] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.677686][T17979] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17983] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17983] close(5)                    = 0
[pid 17983] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17986 attached
) = 17986
[pid 17983] tkill(17986, SIGSTOP)       = 0
[pid 17986] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17983, si_uid=65534} ---
[pid 17983] exit_group(0 <unfinished ...>
[pid 17986] --- stopped by SIGSTOP ---
[pid 17983] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17986, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17983] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17987 attached
, child_tidptr=0x5555574e8650) = 17987
[pid 17987] set_robust_list(0x5555574e8660, 24) = 0
[pid 17987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17987] setpgid(0, 0)               = 0
[pid 17987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17987] write(3, "1000", 4)         = 4
[pid 17987] close(3)                    = 0
[pid 17987] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  239.740933][T17983] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17987] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17987] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17987] close(5)                    = 0
[pid 17987] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17990 attached
) = 17990
[pid 17987] tkill(17990, SIGSTOP)       = 0
[pid 17990] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17987, si_uid=65534} ---
[pid 17987] exit_group(0 <unfinished ...>
[pid 17990] --- stopped by SIGSTOP ---
[pid 17987] <... exit_group resumed>)   = ?
[pid 17987] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17990, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17991 attached
, child_tidptr=0x5555574e8650) = 17991
[pid 17991] set_robust_list(0x5555574e8660, 24) = 0
[pid 17991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17991] setpgid(0, 0)               = 0
[pid 17991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17991] write(3, "1000", 4)         = 4
[pid 17991] close(3)                    = 0
[pid 17991] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17991] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  239.805735][T17987] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17991] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17991] close(5)                    = 0
[pid 17991] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17994 attached
) = 17994
[pid 17991] tkill(17994, SIGSTOP)       = 0
[pid 17994] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17991, si_uid=65534} ---
[pid 17991] exit_group(0 <unfinished ...>
[pid 17994] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17994, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17991] <... exit_group resumed>)   = ?
[pid 17991] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17995 attached
, child_tidptr=0x5555574e8650) = 17995
[pid 17995] set_robust_list(0x5555574e8660, 24) = 0
[pid 17995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17995] setpgid(0, 0)               = 0
[pid 17995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  239.870082][T17991] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17995] write(3, "1000", 4)         = 4
[pid 17995] close(3)                    = 0
[pid 17995] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 17995] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17995] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17995] close(5)                    = 0
[pid 17995] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 17998 attached
) = 17998
[pid 17995] tkill(17998, SIGSTOP)       = 0
[pid 17998] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17995, si_uid=65534} ---
[pid 17995] exit_group(0 <unfinished ...>
[pid 17998] --- stopped by SIGSTOP ---
[pid 17995] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=17998, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17995] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 17999 attached
, child_tidptr=0x5555574e8650) = 17999
[pid 17999] set_robust_list(0x5555574e8660, 24) = 0
[pid 17999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 17999] setpgid(0, 0)               = 0
[pid 17999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 17999] write(3, "1000", 4)         = 4
[pid 17999] close(3)                    = 0
[pid 17999] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  239.944396][T17995] vhci_hcd vhci_hcd.0: port 0 already used
[pid 17999] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 17999] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 17999] close(5)                    = 0
[pid 17999] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18002 attached
) = 18002
[pid 17999] tkill(18002, SIGSTOP)       = 0
[pid 18002] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=17999, si_uid=65534} ---
[pid 17999] exit_group(0 <unfinished ...>
[pid 18002] --- stopped by SIGSTOP ---
[pid 17999] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18002, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 17999] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17999, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18003 attached
, child_tidptr=0x5555574e8650) = 18003
[pid 18003] set_robust_list(0x5555574e8660, 24) = 0
[pid 18003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18003] setpgid(0, 0)               = 0
[pid 18003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18003] write(3, "1000", 4)         = 4
[pid 18003] close(3)                    = 0
[pid 18003] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  240.011285][T17999] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18003] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18003] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18003] close(5)                    = 0
[pid 18003] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18006 attached
) = 18006
[pid 18003] tkill(18006, SIGSTOP)       = 0
[pid 18006] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18003, si_uid=65534} ---
[pid 18003] exit_group(0 <unfinished ...>
[pid 18006] --- stopped by SIGSTOP ---
[pid 18003] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18006, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18003] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18007 attached
, child_tidptr=0x5555574e8650) = 18007
[pid 18007] set_robust_list(0x5555574e8660, 24) = 0
[pid 18007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18007] setpgid(0, 0)               = 0
[pid 18007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18007] write(3, "1000", 4)         = 4
[pid 18007] close(3)                    = 0
[  240.077586][T18003] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18007] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18007] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18007] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18007] close(5)                    = 0
[pid 18007] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18010 attached
) = 18010
[pid 18007] tkill(18010, SIGSTOP)       = 0
[pid 18010] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18007, si_uid=65534} ---
[pid 18007] exit_group(0 <unfinished ...>
[pid 18010] --- stopped by SIGSTOP ---
[pid 18007] <... exit_group resumed>)   = ?
[pid 18007] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18010, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18011 attached
, child_tidptr=0x5555574e8650) = 18011
[pid 18011] set_robust_list(0x5555574e8660, 24) = 0
[pid 18011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18011] setpgid(0, 0)               = 0
[pid 18011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  240.145685][T18007] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18011] write(3, "1000", 4)         = 4
[pid 18011] close(3)                    = 0
[pid 18011] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18011] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18011] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18011] close(5)                    = 0
[pid 18011] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18014 attached
) = 18014
[pid 18011] tkill(18014, SIGSTOP)       = 0
[pid 18014] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18011, si_uid=65534} ---
[pid 18011] exit_group(0 <unfinished ...>
[pid 18014] --- stopped by SIGSTOP ---
[pid 18011] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18014, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18011] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18011, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18015 attached
, child_tidptr=0x5555574e8650) = 18015
[pid 18015] set_robust_list(0x5555574e8660, 24) = 0
[pid 18015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18015] setpgid(0, 0)               = 0
[pid 18015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18015] write(3, "1000", 4)         = 4
[  240.222066][T18011] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18015] close(3)                    = 0
[pid 18015] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18015] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18015] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18015] close(5)                    = 0
[pid 18015] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18018 attached
) = 18018
[pid 18015] tkill(18018, SIGSTOP)       = 0
[pid 18018] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18015, si_uid=65534} ---
[pid 18015] exit_group(0 <unfinished ...>
[pid 18018] --- stopped by SIGSTOP ---
[pid 18015] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18018, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18015] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18019 attached
, child_tidptr=0x5555574e8650) = 18019
[pid 18019] set_robust_list(0x5555574e8660, 24) = 0
[pid 18019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18019] setpgid(0, 0)               = 0
[pid 18019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18019] write(3, "1000", 4)         = 4
[pid 18019] close(3)                    = 0
[pid 18019] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18019] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  240.295418][T18015] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18019] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18019] close(5)                    = 0
[pid 18019] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18022 attached
) = 18022
[pid 18019] tkill(18022, SIGSTOP)       = 0
[pid 18022] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18019, si_uid=65534} ---
[pid 18022] --- stopped by SIGSTOP ---
[pid 18019] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18022, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18019] <... exit_group resumed>)   = ?
[pid 18019] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18023 attached
, child_tidptr=0x5555574e8650) = 18023
[pid 18023] set_robust_list(0x5555574e8660, 24) = 0
[pid 18023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18023] setpgid(0, 0)               = 0
[pid 18023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18023] write(3, "1000", 4)         = 4
[pid 18023] close(3)                    = 0
[pid 18023] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  240.356910][T18019] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18023] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18023] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18023] close(5)                    = 0
[pid 18023] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18026 attached
) = 18026
[pid 18023] tkill(18026, SIGSTOP)       = 0
[pid 18026] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18023, si_uid=65534} ---
[pid 18023] exit_group(0 <unfinished ...>
[pid 18026] --- stopped by SIGSTOP ---
[pid 18023] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18026, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18023] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18023, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18027 attached
, child_tidptr=0x5555574e8650) = 18027
[pid 18027] set_robust_list(0x5555574e8660, 24) = 0
[pid 18027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18027] setpgid(0, 0)               = 0
[pid 18027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  240.424002][T18023] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18027] write(3, "1000", 4)         = 4
[pid 18027] close(3)                    = 0
[pid 18027] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18027] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18027] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18027] close(5)                    = 0
[pid 18027] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18030 attached
) = 18030
[pid 18027] tkill(18030, SIGSTOP)       = 0
[pid 18030] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18027, si_uid=65534} ---
[pid 18027] exit_group(0 <unfinished ...>
[pid 18030] --- stopped by SIGSTOP ---
[pid 18027] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18030, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18027] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18031 attached
, child_tidptr=0x5555574e8650) = 18031
[pid 18031] set_robust_list(0x5555574e8660, 24) = 0
[pid 18031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18031] setpgid(0, 0)               = 0
[pid 18031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18031] write(3, "1000", 4)         = 4
[pid 18031] close(3)                    = 0
[pid 18031] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18031] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  240.499370][T18027] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18031] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18031] close(5)                    = 0
[pid 18031] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18034 attached
) = 18034
[pid 18031] tkill(18034, SIGSTOP)       = 0
[pid 18034] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18031, si_uid=65534} ---
[pid 18031] exit_group(0 <unfinished ...>
[pid 18034] --- stopped by SIGSTOP ---
[pid 18031] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18034, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18031] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18031, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18035 attached
, child_tidptr=0x5555574e8650) = 18035
[pid 18035] set_robust_list(0x5555574e8660, 24) = 0
[pid 18035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18035] setpgid(0, 0)               = 0
[pid 18035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18035] write(3, "1000", 4)         = 4
[pid 18035] close(3)                    = 0
[pid 18035] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  240.563689][T18031] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18035] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18035] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18035] close(5)                    = 0
[pid 18035] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18038 attached
) = 18038
[pid 18035] tkill(18038, SIGSTOP)       = 0
[pid 18038] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18035, si_uid=65534} ---
[pid 18035] exit_group(0 <unfinished ...>
[pid 18038] --- stopped by SIGSTOP ---
[pid 18035] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18038, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18035] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18035, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18039 attached
, child_tidptr=0x5555574e8650) = 18039
[pid 18039] set_robust_list(0x5555574e8660, 24) = 0
[pid 18039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18039] setpgid(0, 0)               = 0
[pid 18039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18039] write(3, "1000", 4)         = 4
[pid 18039] close(3)                    = 0
[pid 18039] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18039] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  240.630296][T18035] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18039] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18039] close(5)                    = 0
[pid 18039] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18042 attached
) = 18042
[pid 18039] tkill(18042, SIGSTOP)       = 0
[pid 18042] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18039, si_uid=65534} ---
[pid 18039] exit_group(0 <unfinished ...>
[pid 18042] --- stopped by SIGSTOP ---
[pid 18039] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18042, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18039] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18039, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18043 attached
, child_tidptr=0x5555574e8650) = 18043
[pid 18043] set_robust_list(0x5555574e8660, 24) = 0
[pid 18043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18043] setpgid(0, 0)               = 0
[pid 18043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  240.694743][T18039] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18043] write(3, "1000", 4)         = 4
[pid 18043] close(3)                    = 0
[pid 18043] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18043] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18043] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18043] close(5)                    = 0
[pid 18043] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18046 attached
) = 18046
[pid 18043] tkill(18046, SIGSTOP)       = 0
[pid 18046] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18043, si_uid=65534} ---
[pid 18043] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18046, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18046] --- stopped by SIGSTOP ---
[pid 18043] <... exit_group resumed>)   = ?
[pid 18043] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18047 attached
, child_tidptr=0x5555574e8650) = 18047
[pid 18047] set_robust_list(0x5555574e8660, 24) = 0
[pid 18047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18047] setpgid(0, 0)               = 0
[  240.769781][T18043] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18047] write(3, "1000", 4)         = 4
[pid 18047] close(3)                    = 0
[pid 18047] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18047] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18047] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18047] close(5)                    = 0
[pid 18047] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18050 attached
) = 18050
[pid 18047] tkill(18050, SIGSTOP)       = 0
[pid 18050] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18047, si_uid=65534} ---
[pid 18047] exit_group(0 <unfinished ...>
[pid 18050] --- stopped by SIGSTOP ---
[pid 18047] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18050, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18047] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18051 attached
, child_tidptr=0x5555574e8650) = 18051
[pid 18051] set_robust_list(0x5555574e8660, 24) = 0
[pid 18051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18051] setpgid(0, 0)               = 0
[pid 18051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18051] write(3, "1000", 4)         = 4
[pid 18051] close(3)                    = 0
[pid 18051] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18051] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  240.857291][T18047] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18051] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18051] close(5)                    = 0
[pid 18051] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18054 attached
) = 18054
[pid 18051] tkill(18054, SIGSTOP)       = 0
[pid 18054] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18051, si_uid=65534} ---
[pid 18051] exit_group(0 <unfinished ...>
[pid 18054] --- stopped by SIGSTOP ---
[pid 18051] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18054, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18051] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18055 attached
, child_tidptr=0x5555574e8650) = 18055
[pid 18055] set_robust_list(0x5555574e8660, 24) = 0
[pid 18055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18055] setpgid(0, 0)               = 0
[pid 18055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18055] write(3, "1000", 4)         = 4
[pid 18055] close(3)                    = 0
[pid 18055] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  240.919801][T18051] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18055] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18055] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18055] close(5)                    = 0
[pid 18055] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18058 attached
) = 18058
[pid 18055] tkill(18058, SIGSTOP)       = 0
[pid 18058] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18055, si_uid=65534} ---
[pid 18055] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18058, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18058] --- stopped by SIGSTOP ---
[pid 18055] <... exit_group resumed>)   = ?
[pid 18055] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18055, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18059 attached
, child_tidptr=0x5555574e8650) = 18059
[pid 18059] set_robust_list(0x5555574e8660, 24) = 0
[  240.985660][T18055] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18059] setpgid(0, 0)               = 0
[pid 18059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18059] write(3, "1000", 4)         = 4
[pid 18059] close(3)                    = 0
[pid 18059] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18059] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18059] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18059] close(5)                    = 0
[pid 18059] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18062 attached
) = 18062
[pid 18059] tkill(18062, SIGSTOP)       = 0
[pid 18062] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18059, si_uid=65534} ---
[pid 18059] exit_group(0 <unfinished ...>
[pid 18062] --- stopped by SIGSTOP ---
[pid 18059] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18062, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18059] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18059, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18063 attached
, child_tidptr=0x5555574e8650) = 18063
[pid 18063] set_robust_list(0x5555574e8660, 24) = 0
[pid 18063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18063] setpgid(0, 0)               = 0
[pid 18063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18063] write(3, "1000", 4)         = 4
[pid 18063] close(3)                    = 0
[pid 18063] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18063] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.072054][T18059] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18063] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18063] close(5)                    = 0
[pid 18063] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18066 attached
) = 18066
[pid 18063] tkill(18066, SIGSTOP)       = 0
[pid 18066] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18063, si_uid=65534} ---
[pid 18063] exit_group(0 <unfinished ...>
[pid 18066] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18066, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18063] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18063] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18067 attached
, child_tidptr=0x5555574e8650) = 18067
[pid 18067] set_robust_list(0x5555574e8660, 24) = 0
[pid 18067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18067] setpgid(0, 0)               = 0
[pid 18067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18067] write(3, "1000", 4)         = 4
[  241.136867][T18063] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18067] close(3)                    = 0
[pid 18067] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18067] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18067] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18067] close(5)                    = 0
[pid 18067] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18070 attached
) = 18070
[pid 18067] tkill(18070, SIGSTOP)       = 0
[pid 18070] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18067, si_uid=65534} ---
[pid 18067] exit_group(0 <unfinished ...>
[pid 18070] --- stopped by SIGSTOP ---
[pid 18067] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18070, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18067] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18071 attached
, child_tidptr=0x5555574e8650) = 18071
[pid 18071] set_robust_list(0x5555574e8660, 24) = 0
[pid 18071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18071] setpgid(0, 0)               = 0
[pid 18071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18071] write(3, "1000", 4)         = 4
[  241.209122][T18067] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18071] close(3)                    = 0
[pid 18071] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18071] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18071] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18071] close(5)                    = 0
[pid 18071] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18074 attached
) = 18074
[pid 18071] tkill(18074, SIGSTOP)       = 0
[pid 18074] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18071, si_uid=65534} ---
[pid 18071] exit_group(0 <unfinished ...>
[pid 18074] --- stopped by SIGSTOP ---
[pid 18071] <... exit_group resumed>)   = ?
[pid 18071] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18074, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18075 attached
, child_tidptr=0x5555574e8650) = 18075
[pid 18075] set_robust_list(0x5555574e8660, 24) = 0
[pid 18075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18075] setpgid(0, 0)               = 0
[pid 18075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18075] write(3, "1000", 4)         = 4
[pid 18075] close(3)                    = 0
[pid 18075] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  241.282947][T18071] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18075] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18075] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18075] close(5)                    = 0
[pid 18075] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18078 attached
) = 18078
[pid 18075] tkill(18078, SIGSTOP)       = 0
[pid 18078] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18075, si_uid=65534} ---
[pid 18075] exit_group(0 <unfinished ...>
[pid 18078] --- stopped by SIGSTOP ---
[pid 18075] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18078, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18075] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18079 attached
, child_tidptr=0x5555574e8650) = 18079
[pid 18079] set_robust_list(0x5555574e8660, 24) = 0
[pid 18079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18079] setpgid(0, 0)               = 0
[pid 18079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18079] write(3, "1000", 4)         = 4
[pid 18079] close(3)                    = 0
[pid 18079] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18079] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.349522][T18075] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18079] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18079] close(5)                    = 0
[pid 18079] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18082 attached
) = 18082
[pid 18079] tkill(18082, SIGSTOP)       = 0
[pid 18082] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18079, si_uid=65534} ---
[pid 18079] exit_group(0 <unfinished ...>
[pid 18082] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18082, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18079] <... exit_group resumed>)   = ?
[pid 18079] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18083 attached
, child_tidptr=0x5555574e8650) = 18083
[pid 18083] set_robust_list(0x5555574e8660, 24) = 0
[pid 18083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18083] setpgid(0, 0)               = 0
[pid 18083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18083] write(3, "1000", 4)         = 4
[pid 18083] close(3)                    = 0
[pid 18083] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18083] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.411923][T18079] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18083] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18083] close(5)                    = 0
[pid 18083] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18086 attached
) = 18086
[pid 18083] tkill(18086, SIGSTOP)       = 0
[pid 18086] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18083, si_uid=65534} ---
[pid 18083] exit_group(0 <unfinished ...>
[pid 18086] --- stopped by SIGSTOP ---
[pid 18083] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18086, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18083] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18083, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18087 attached
, child_tidptr=0x5555574e8650) = 18087
[pid 18087] set_robust_list(0x5555574e8660, 24) = 0
[pid 18087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18087] setpgid(0, 0)               = 0
[pid 18087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18087] write(3, "1000", 4)         = 4
[pid 18087] close(3)                    = 0
[pid 18087] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  241.475328][T18083] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18087] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18087] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18087] close(5)                    = 0
[pid 18087] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18090 attached
) = 18090
[pid 18087] tkill(18090, SIGSTOP)       = 0
[pid 18090] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18087, si_uid=65534} ---
[pid 18087] exit_group(0 <unfinished ...>
[pid 18090] --- stopped by SIGSTOP ---
[pid 18087] <... exit_group resumed>)   = ?
[pid 18087] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18090, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18091 attached
, child_tidptr=0x5555574e8650) = 18091
[pid 18091] set_robust_list(0x5555574e8660, 24) = 0
[pid 18091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18091] setpgid(0, 0)               = 0
[pid 18091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  241.541697][T18087] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18091] write(3, "1000", 4)         = 4
[pid 18091] close(3)                    = 0
[pid 18091] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18091] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18091] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18091] close(5)                    = 0
[pid 18091] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18094 attached
) = 18094
[pid 18091] tkill(18094, SIGSTOP)       = 0
[pid 18094] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18091, si_uid=65534} ---
[pid 18094] --- stopped by SIGSTOP ---
[pid 18091] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18094, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18091] <... exit_group resumed>)   = ?
[pid 18091] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18095 attached
, child_tidptr=0x5555574e8650) = 18095
[pid 18095] set_robust_list(0x5555574e8660, 24) = 0
[pid 18095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18095] setpgid(0, 0)               = 0
[pid 18095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18095] write(3, "1000", 4)         = 4
[pid 18095] close(3)                    = 0
[pid 18095] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  241.618637][T18091] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18095] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18095] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18095] close(5)                    = 0
[pid 18095] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18098 attached
) = 18098
[pid 18095] tkill(18098, SIGSTOP)       = 0
[pid 18098] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18095, si_uid=65534} ---
[pid 18095] exit_group(0 <unfinished ...>
[pid 18098] --- stopped by SIGSTOP ---
[pid 18095] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18098, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18095] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18099 attached
, child_tidptr=0x5555574e8650) = 18099
[pid 18099] set_robust_list(0x5555574e8660, 24) = 0
[pid 18099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18099] setpgid(0, 0)               = 0
[pid 18099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18099] write(3, "1000", 4)         = 4
[pid 18099] close(3)                    = 0
[pid 18099] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18099] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.684333][T18095] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18099] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18099] close(5)                    = 0
[pid 18099] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18102 attached
) = 18102
[pid 18099] tkill(18102, SIGSTOP)       = 0
[pid 18102] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18099, si_uid=65534} ---
[pid 18099] exit_group(0 <unfinished ...>
[pid 18102] --- stopped by SIGSTOP ---
[pid 18099] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18102, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18099] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18103 attached
, child_tidptr=0x5555574e8650) = 18103
[pid 18103] set_robust_list(0x5555574e8660, 24) = 0
[pid 18103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18103] setpgid(0, 0)               = 0
[pid 18103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18103] write(3, "1000", 4)         = 4
[pid 18103] close(3)                    = 0
[pid 18103] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18103] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.748624][T18099] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18103] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18103] close(5)                    = 0
[pid 18103] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18106 attached
) = 18106
[pid 18103] tkill(18106, SIGSTOP)       = 0
[pid 18106] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18103, si_uid=65534} ---
[pid 18103] exit_group(0 <unfinished ...>
[pid 18106] --- stopped by SIGSTOP ---
[pid 18103] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18106, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18103] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18107 attached
, child_tidptr=0x5555574e8650) = 18107
[pid 18107] set_robust_list(0x5555574e8660, 24) = 0
[pid 18107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18107] setpgid(0, 0)               = 0
[pid 18107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18107] write(3, "1000", 4)         = 4
[pid 18107] close(3)                    = 0
[pid 18107] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  241.810755][T18103] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18107] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18107] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18107] close(5)                    = 0
[pid 18107] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18110 attached
) = 18110
[pid 18107] tkill(18110, SIGSTOP)       = 0
[pid 18110] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18107, si_uid=65534} ---
[pid 18107] exit_group(0)               = ?
[pid 18110] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18110, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18107] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18107, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18111 attached
, child_tidptr=0x5555574e8650) = 18111
[pid 18111] set_robust_list(0x5555574e8660, 24) = 0
[pid 18111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18111] setpgid(0, 0)               = 0
[pid 18111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18111] write(3, "1000", 4)         = 4
[pid 18111] close(3)                    = 0
[pid 18111] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  241.878308][T18107] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18111] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18111] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18111] close(5)                    = 0
[pid 18111] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18114 attached
) = 18114
[pid 18111] tkill(18114, SIGSTOP)       = 0
[pid 18114] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18111, si_uid=65534} ---
[pid 18111] exit_group(0 <unfinished ...>
[pid 18114] --- stopped by SIGSTOP ---
[pid 18111] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18114, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18111] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18111, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18115 attached
, child_tidptr=0x5555574e8650) = 18115
[pid 18115] set_robust_list(0x5555574e8660, 24) = 0
[pid 18115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18115] setpgid(0, 0)               = 0
[pid 18115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18115] write(3, "1000", 4)         = 4
[pid 18115] close(3)                    = 0
[pid 18115] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18115] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  241.944900][T18111] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18115] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18115] close(5)                    = 0
[pid 18115] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18118 attached
) = 18118
[pid 18115] tkill(18118, SIGSTOP)       = 0
[pid 18118] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18115, si_uid=65534} ---
[pid 18115] exit_group(0 <unfinished ...>
[pid 18118] --- stopped by SIGSTOP ---
[pid 18115] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18118, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18115] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18119 attached
, child_tidptr=0x5555574e8650) = 18119
[pid 18119] set_robust_list(0x5555574e8660, 24) = 0
[pid 18119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18119] setpgid(0, 0)               = 0
[pid 18119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18119] write(3, "1000", 4)         = 4
[pid 18119] close(3)                    = 0
[pid 18119] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18119] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  242.008317][T18115] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18119] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18119] close(5)                    = 0
[pid 18119] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18122 attached
) = 18122
[pid 18119] tkill(18122, SIGSTOP)       = 0
[pid 18119] exit_group(0 <unfinished ...>
[pid 18122] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18119, si_uid=65534} ---
[pid 18119] <... exit_group resumed>)   = ?
[pid 18122] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18122, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18119] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18123 attached
, child_tidptr=0x5555574e8650) = 18123
[pid 18123] set_robust_list(0x5555574e8660, 24) = 0
[pid 18123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18123] setpgid(0, 0)               = 0
[pid 18123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18123] write(3, "1000", 4)         = 4
[pid 18123] close(3)                    = 0
[pid 18123] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18123] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  242.071371][T18119] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18123] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18123] close(5)                    = 0
[pid 18123] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18126 attached
) = 18126
[pid 18123] tkill(18126, SIGSTOP)       = 0
[pid 18126] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18123, si_uid=65534} ---
[pid 18123] exit_group(0 <unfinished ...>
[pid 18126] --- stopped by SIGSTOP ---
[pid 18123] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18126, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18123] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18127 attached
, child_tidptr=0x5555574e8650) = 18127
[pid 18127] set_robust_list(0x5555574e8660, 24) = 0
[pid 18127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18127] setpgid(0, 0)               = 0
[pid 18127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18127] write(3, "1000", 4)         = 4
[pid 18127] close(3)                    = 0
[pid 18127] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.135149][T18123] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18127] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18127] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18127] close(5)                    = 0
[pid 18127] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18130 attached
) = 18130
[pid 18127] tkill(18130, SIGSTOP)       = 0
[pid 18130] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18127, si_uid=65534} ---
[pid 18130] --- stopped by SIGSTOP ---
[pid 18127] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18130, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18127] <... exit_group resumed>)   = ?
[pid 18127] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18127, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18131 attached
, child_tidptr=0x5555574e8650) = 18131
[pid 18131] set_robust_list(0x5555574e8660, 24) = 0
[pid 18131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18131] setpgid(0, 0)               = 0
[pid 18131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18131] write(3, "1000", 4)         = 4
[pid 18131] close(3)                    = 0
[  242.200282][T18127] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18131] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18131] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18131] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18131] close(5)                    = 0
[pid 18131] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18134 attached
) = 18134
[pid 18131] tkill(18134, SIGSTOP)       = 0
[pid 18134] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18131, si_uid=65534} ---
[pid 18131] exit_group(0 <unfinished ...>
[pid 18134] --- stopped by SIGSTOP ---
[pid 18131] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18134, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18131] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18135 attached
, child_tidptr=0x5555574e8650) = 18135
[pid 18135] set_robust_list(0x5555574e8660, 24) = 0
[pid 18135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18135] setpgid(0, 0)               = 0
[pid 18135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18135] write(3, "1000", 4)         = 4
[  242.269229][T18131] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18135] close(3)                    = 0
[pid 18135] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18135] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18135] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18135] close(5)                    = 0
[pid 18135] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18138 attached
) = 18138
[pid 18135] tkill(18138, SIGSTOP)       = 0
[pid 18138] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18135, si_uid=65534} ---
[pid 18135] exit_group(0 <unfinished ...>
[pid 18138] --- stopped by SIGSTOP ---
[pid 18135] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18138, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18135] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18135, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18139 attached
, child_tidptr=0x5555574e8650) = 18139
[pid 18139] set_robust_list(0x5555574e8660, 24) = 0
[pid 18139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18139] setpgid(0, 0)               = 0
[pid 18139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  242.343830][T18135] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18139] write(3, "1000", 4)         = 4
[pid 18139] close(3)                    = 0
[pid 18139] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18139] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18139] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18139] close(5)                    = 0
[pid 18139] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18142 attached
) = 18142
[pid 18139] tkill(18142, SIGSTOP)       = 0
[pid 18142] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18139, si_uid=65534} ---
[pid 18139] exit_group(0 <unfinished ...>
[pid 18142] --- stopped by SIGSTOP ---
[pid 18139] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18142, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18139] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18139, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18143 attached
, child_tidptr=0x5555574e8650) = 18143
[pid 18143] set_robust_list(0x5555574e8660, 24) = 0
[pid 18143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18143] setpgid(0, 0)               = 0
[pid 18143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18143] write(3, "1000", 4)         = 4
[pid 18143] close(3)                    = 0
[pid 18143] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.420497][T18139] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18143] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18143] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18143] close(5)                    = 0
[pid 18143] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18146 attached
) = 18146
[pid 18143] tkill(18146, SIGSTOP)       = 0
[pid 18146] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18143, si_uid=65534} ---
[pid 18143] exit_group(0 <unfinished ...>
[pid 18146] --- stopped by SIGSTOP ---
[pid 18143] <... exit_group resumed>)   = ?
[pid 18143] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18146, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18147 attached
, child_tidptr=0x5555574e8650) = 18147
[pid 18147] set_robust_list(0x5555574e8660, 24) = 0
[pid 18147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18147] setpgid(0, 0)               = 0
[pid 18147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18147] write(3, "1000", 4)         = 4
[pid 18147] close(3)                    = 0
[pid 18147] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18147] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  242.485941][T18143] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18147] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18147] close(5)                    = 0
[pid 18147] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18150 attached
) = 18150
[pid 18147] tkill(18150, SIGSTOP)       = 0
[pid 18150] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18147, si_uid=65534} ---
[pid 18147] exit_group(0 <unfinished ...>
[pid 18150] --- stopped by SIGSTOP ---
[pid 18147] <... exit_group resumed>)   = ?
[pid 18147] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18150, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18151 attached
, child_tidptr=0x5555574e8650) = 18151
[pid 18151] set_robust_list(0x5555574e8660, 24) = 0
[pid 18151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18151] setpgid(0, 0)               = 0
[pid 18151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18151] write(3, "1000", 4)         = 4
[pid 18151] close(3)                    = 0
[pid 18151] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.550464][T18147] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18151] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18151] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18151] close(5)                    = 0
[pid 18151] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18154 attached
) = 18154
[pid 18151] tkill(18154, SIGSTOP)       = 0
[pid 18154] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18151, si_uid=65534} ---
[pid 18151] exit_group(0 <unfinished ...>
[pid 18154] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18154, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18151] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18151] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18151, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18155 attached
, child_tidptr=0x5555574e8650) = 18155
[pid 18155] set_robust_list(0x5555574e8660, 24) = 0
[pid 18155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18155] setpgid(0, 0)               = 0
[pid 18155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18155] write(3, "1000", 4)         = 4
[  242.615585][T18151] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18155] close(3)                    = 0
[pid 18155] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18155] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18155] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18155] close(5)                    = 0
[pid 18155] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18158 attached
) = 18158
[pid 18155] tkill(18158, SIGSTOP)       = 0
[pid 18158] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18155, si_uid=65534} ---
[pid 18155] exit_group(0 <unfinished ...>
[pid 18158] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18158, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18155] <... exit_group resumed>)   = ?
[pid 18155] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18155, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18159 attached
, child_tidptr=0x5555574e8650) = 18159
[pid 18159] set_robust_list(0x5555574e8660, 24) = 0
[pid 18159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18159] setpgid(0, 0)               = 0
[pid 18159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18159] write(3, "1000", 4)         = 4
[pid 18159] close(3)                    = 0
[pid 18159] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.688873][T18155] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18159] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18159] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18159] close(5)                    = 0
[pid 18159] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18162 attached
) = 18162
[pid 18159] tkill(18162, SIGSTOP)       = 0
[pid 18162] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18159, si_uid=65534} ---
[pid 18159] exit_group(0 <unfinished ...>
[pid 18162] --- stopped by SIGSTOP ---
[pid 18159] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18162, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18159] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18163 attached
, child_tidptr=0x5555574e8650) = 18163
[pid 18163] set_robust_list(0x5555574e8660, 24) = 0
[pid 18163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18163] setpgid(0, 0)               = 0
[pid 18163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18163] write(3, "1000", 4)         = 4
[pid 18163] close(3)                    = 0
[pid 18163] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.756750][T18159] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18163] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18163] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18163] close(5)                    = 0
[pid 18163] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18166 attached
) = 18166
[pid 18163] tkill(18166, SIGSTOP)       = 0
[pid 18166] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18163, si_uid=65534} ---
[pid 18163] exit_group(0 <unfinished ...>
[pid 18166] --- stopped by SIGSTOP ---
[pid 18163] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18166, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18163] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18163, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18167 attached
, child_tidptr=0x5555574e8650) = 18167
[pid 18167] set_robust_list(0x5555574e8660, 24) = 0
[pid 18167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18167] setpgid(0, 0)               = 0
[pid 18167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18167] write(3, "1000", 4)         = 4
[pid 18167] close(3)                    = 0
[pid 18167] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.823356][T18163] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18167] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18167] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18167] close(5)                    = 0
[pid 18167] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18170 attached
) = 18170
[pid 18167] tkill(18170, SIGSTOP)       = 0
[pid 18170] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18167, si_uid=65534} ---
[pid 18167] exit_group(0 <unfinished ...>
[pid 18170] --- stopped by SIGSTOP ---
[pid 18167] <... exit_group resumed>)   = ?
[pid 18167] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18170, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18171 attached
, child_tidptr=0x5555574e8650) = 18171
[pid 18171] set_robust_list(0x5555574e8660, 24) = 0
[pid 18171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18171] setpgid(0, 0)               = 0
[pid 18171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18171] write(3, "1000", 4)         = 4
[pid 18171] close(3)                    = 0
[pid 18171] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18171] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  242.890091][T18167] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18171] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18171] close(5)                    = 0
[pid 18171] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18174 attached
) = 18174
[pid 18171] tkill(18174, SIGSTOP)       = 0
[pid 18174] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18171, si_uid=65534} ---
[pid 18171] exit_group(0 <unfinished ...>
[pid 18174] --- stopped by SIGSTOP ---
[pid 18171] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18174, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18171] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18171, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18175 attached
, child_tidptr=0x5555574e8650) = 18175
[pid 18175] set_robust_list(0x5555574e8660, 24) = 0
[pid 18175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18175] setpgid(0, 0)               = 0
[pid 18175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18175] write(3, "1000", 4)         = 4
[pid 18175] close(3)                    = 0
[pid 18175] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  242.954000][T18171] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18175] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18175] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18175] close(5)                    = 0
[pid 18175] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18178 attached
) = 18178
[pid 18175] tkill(18178, SIGSTOP)       = 0
[pid 18178] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18175, si_uid=65534} ---
[pid 18175] exit_group(0 <unfinished ...>
[pid 18178] --- stopped by SIGSTOP ---
[pid 18175] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18178, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18175] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18179 attached
, child_tidptr=0x5555574e8650) = 18179
[pid 18179] set_robust_list(0x5555574e8660, 24) = 0
[pid 18179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18179] setpgid(0, 0)               = 0
[pid 18179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18179] write(3, "1000", 4)         = 4
[pid 18179] close(3)                    = 0
[pid 18179] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.019160][T18175] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18179] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18179] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18179] close(5)                    = 0
[pid 18179] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18182 attached
) = 18182
[pid 18179] tkill(18182, SIGSTOP)       = 0
[pid 18182] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18179, si_uid=65534} ---
[pid 18179] exit_group(0 <unfinished ...>
[pid 18182] --- stopped by SIGSTOP ---
[pid 18179] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18182, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18179] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18183 attached
, child_tidptr=0x5555574e8650) = 18183
[pid 18183] set_robust_list(0x5555574e8660, 24) = 0
[pid 18183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18183] setpgid(0, 0)               = 0
[pid 18183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18183] write(3, "1000", 4)         = 4
[pid 18183] close(3)                    = 0
[  243.085239][T18179] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18183] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18183] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18183] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18183] close(5)                    = 0
[pid 18183] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18186 attached
) = 18186
[pid 18183] tkill(18186, SIGSTOP)       = 0
[pid 18186] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18183, si_uid=65534} ---
[pid 18183] exit_group(0 <unfinished ...>
[pid 18186] --- stopped by SIGSTOP ---
[pid 18183] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18186, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18183] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18183, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18187 attached
, child_tidptr=0x5555574e8650) = 18187
[pid 18187] set_robust_list(0x5555574e8660, 24) = 0
[pid 18187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18187] setpgid(0, 0)               = 0
[pid 18187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18187] write(3, "1000", 4)         = 4
[pid 18187] close(3)                    = 0
[pid 18187] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.155554][T18183] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18187] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18187] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18187] close(5)                    = 0
[pid 18187] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18190 attached
) = 18190
[pid 18187] tkill(18190, SIGSTOP)       = 0
[pid 18190] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18187, si_uid=65534} ---
[pid 18187] exit_group(0 <unfinished ...>
[pid 18190] --- stopped by SIGSTOP ---
[pid 18187] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18190, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18187] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18187, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18191 attached
, child_tidptr=0x5555574e8650) = 18191
[pid 18191] set_robust_list(0x5555574e8660, 24) = 0
[pid 18191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18191] setpgid(0, 0)               = 0
[pid 18191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18191] write(3, "1000", 4)         = 4
[pid 18191] close(3)                    = 0
[pid 18191] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.222689][T18187] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18191] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18191] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18191] close(5)                    = 0
[pid 18191] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18194 attached
) = 18194
[pid 18191] tkill(18194, SIGSTOP)       = 0
[pid 18194] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18191, si_uid=65534} ---
[pid 18191] exit_group(0 <unfinished ...>
[pid 18194] --- stopped by SIGSTOP ---
[pid 18191] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18194, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18191] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18195 attached
, child_tidptr=0x5555574e8650) = 18195
[pid 18195] set_robust_list(0x5555574e8660, 24) = 0
[pid 18195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18195] setpgid(0, 0)               = 0
[pid 18195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18195] write(3, "1000", 4)         = 4
[pid 18195] close(3)                    = 0
[  243.289755][T18191] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18195] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18195] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18195] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18195] close(5)                    = 0
[pid 18195] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18198 attached
) = 18198
[pid 18195] tkill(18198, SIGSTOP)       = 0
[pid 18198] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18195, si_uid=65534} ---
[pid 18195] exit_group(0 <unfinished ...>
[pid 18198] --- stopped by SIGSTOP ---
[pid 18195] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18198, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18195] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18199 attached
, child_tidptr=0x5555574e8650) = 18199
[pid 18199] set_robust_list(0x5555574e8660, 24) = 0
[pid 18199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18199] setpgid(0, 0)               = 0
[pid 18199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18199] write(3, "1000", 4)         = 4
[pid 18199] close(3)                    = 0
[pid 18199] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.359348][T18195] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18199] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18199] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18199] close(5)                    = 0
[pid 18199] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18202 attached
) = 18202
[pid 18199] tkill(18202, SIGSTOP)       = 0
[pid 18202] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18199, si_uid=65534} ---
[pid 18199] exit_group(0 <unfinished ...>
[pid 18202] --- stopped by SIGSTOP ---
[pid 18199] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18202, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18199] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18203 attached
, child_tidptr=0x5555574e8650) = 18203
[pid 18203] set_robust_list(0x5555574e8660, 24) = 0
[pid 18203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18203] setpgid(0, 0)               = 0
[pid 18203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18203] write(3, "1000", 4)         = 4
[pid 18203] close(3)                    = 0
[pid 18203] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.426563][T18199] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18203] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18203] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18203] close(5)                    = 0
[pid 18203] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18206 attached
) = 18206
[pid 18203] tkill(18206, SIGSTOP)       = 0
[pid 18206] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18203, si_uid=65534} ---
[pid 18206] --- stopped by SIGSTOP ---
[pid 18203] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18206, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18203] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18203, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18207 attached
, child_tidptr=0x5555574e8650) = 18207
[pid 18207] set_robust_list(0x5555574e8660, 24) = 0
[pid 18207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18207] setpgid(0, 0)               = 0
[pid 18207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  243.492665][T18203] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18207] write(3, "1000", 4)         = 4
[pid 18207] close(3)                    = 0
[pid 18207] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18207] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18207] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18207] close(5)                    = 0
[pid 18207] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18210 attached
) = 18210
[pid 18207] tkill(18210, SIGSTOP)       = 0
[pid 18210] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18207, si_uid=65534} ---
[pid 18207] exit_group(0 <unfinished ...>
[pid 18210] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18210, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18207] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18207] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18211 attached
, child_tidptr=0x5555574e8650) = 18211
[pid 18211] set_robust_list(0x5555574e8660, 24) = 0
[pid 18211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18211] setpgid(0, 0)               = 0
[pid 18211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18211] write(3, "1000", 4)         = 4
[pid 18211] close(3)                    = 0
[pid 18211] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18211] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  243.566901][T18207] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18211] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18211] close(5)                    = 0
[pid 18211] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18214 attached
) = 18214
[pid 18211] tkill(18214, SIGSTOP)       = 0
[pid 18214] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18211, si_uid=65534} ---
[pid 18211] exit_group(0 <unfinished ...>
[pid 18214] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18214, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18211] <... exit_group resumed>)   = ?
[pid 18211] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18211, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18215 attached
, child_tidptr=0x5555574e8650) = 18215
[pid 18215] set_robust_list(0x5555574e8660, 24) = 0
[pid 18215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18215] setpgid(0, 0)               = 0
[pid 18215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  243.630507][T18211] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18215] write(3, "1000", 4)         = 4
[pid 18215] close(3)                    = 0
[pid 18215] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18215] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18215] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18215] close(5)                    = 0
[pid 18215] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18218 attached
) = 18218
[pid 18215] tkill(18218, SIGSTOP)       = 0
[pid 18218] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18215, si_uid=65534} ---
[pid 18215] exit_group(0 <unfinished ...>
[pid 18218] --- stopped by SIGSTOP ---
[pid 18215] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18218, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18215] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18219 attached
, child_tidptr=0x5555574e8650) = 18219
[pid 18219] set_robust_list(0x5555574e8660, 24) = 0
[pid 18219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18219] setpgid(0, 0)               = 0
[pid 18219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18219] write(3, "1000", 4)         = 4
[pid 18219] close(3)                    = 0
[  243.705135][T18215] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18219] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18219] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18219] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18219] close(5)                    = 0
[pid 18219] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18222 attached
) = 18222
[pid 18219] tkill(18222, SIGSTOP)       = 0
[pid 18222] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18219, si_uid=65534} ---
[pid 18219] exit_group(0 <unfinished ...>
[pid 18222] --- stopped by SIGSTOP ---
[pid 18219] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18222, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18219] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18219, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18223 attached
, child_tidptr=0x5555574e8650) = 18223
[pid 18223] set_robust_list(0x5555574e8660, 24) = 0
[pid 18223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18223] setpgid(0, 0)               = 0
[pid 18223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  243.773488][T18219] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18223] write(3, "1000", 4)         = 4
[pid 18223] close(3)                    = 0
[pid 18223] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18223] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18223] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18223] close(5)                    = 0
[pid 18223] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18226 attached
) = 18226
[pid 18223] tkill(18226, SIGSTOP)       = 0
[pid 18226] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18223, si_uid=65534} ---
[pid 18223] exit_group(0 <unfinished ...>
[pid 18226] --- stopped by SIGSTOP ---
[pid 18223] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18226, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18223] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18223, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18227 attached
, child_tidptr=0x5555574e8650) = 18227
[pid 18227] set_robust_list(0x5555574e8660, 24) = 0
[pid 18227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18227] setpgid(0, 0)               = 0
[pid 18227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18227] write(3, "1000", 4)         = 4
[pid 18227] close(3)                    = 0
[pid 18227] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.850343][T18223] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18227] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18227] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18227] close(5)                    = 0
[pid 18227] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18230 attached
) = 18230
[pid 18227] tkill(18230, SIGSTOP)       = 0
[pid 18230] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18227, si_uid=65534} ---
[pid 18227] exit_group(0 <unfinished ...>
[pid 18230] --- stopped by SIGSTOP ---
[pid 18227] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18230, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18227] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18227, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18231 attached
, child_tidptr=0x5555574e8650) = 18231
[pid 18231] set_robust_list(0x5555574e8660, 24) = 0
[pid 18231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18231] setpgid(0, 0)               = 0
[pid 18231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18231] write(3, "1000", 4)         = 4
[pid 18231] close(3)                    = 0
[pid 18231] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18231] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  243.914592][T18227] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18231] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18231] close(5)                    = 0
[pid 18231] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18234 attached
) = 18234
[pid 18231] tkill(18234, SIGSTOP)       = 0
[pid 18234] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18231, si_uid=65534} ---
[pid 18231] exit_group(0 <unfinished ...>
[pid 18234] --- stopped by SIGSTOP ---
[pid 18231] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18234, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18231] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18235 attached
, child_tidptr=0x5555574e8650) = 18235
[pid 18235] set_robust_list(0x5555574e8660, 24) = 0
[pid 18235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18235] setpgid(0, 0)               = 0
[pid 18235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18235] write(3, "1000", 4)         = 4
[pid 18235] close(3)                    = 0
[pid 18235] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  243.979317][T18231] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18235] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18235] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18235] close(5)                    = 0
[pid 18235] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18238 attached
) = 18238
[pid 18235] tkill(18238, SIGSTOP)       = 0
[pid 18238] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18235, si_uid=65534} ---
[pid 18235] exit_group(0 <unfinished ...>
[pid 18238] --- stopped by SIGSTOP ---
[pid 18235] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18238, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18235] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18235, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18239 attached
, child_tidptr=0x5555574e8650) = 18239
[pid 18239] set_robust_list(0x5555574e8660, 24) = 0
[pid 18239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18239] setpgid(0, 0)               = 0
[pid 18239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18239] write(3, "1000", 4)         = 4
[pid 18239] close(3)                    = 0
[pid 18239] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18239] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  244.045691][T18235] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18239] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18239] close(5)                    = 0
[pid 18239] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18242 attached
) = 18242
[pid 18239] tkill(18242, SIGSTOP)       = 0
[pid 18242] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18239, si_uid=65534} ---
[pid 18239] exit_group(0 <unfinished ...>
[pid 18242] --- stopped by SIGSTOP ---
[pid 18239] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18242, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18239] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18243 attached
, child_tidptr=0x5555574e8650) = 18243
[pid 18243] set_robust_list(0x5555574e8660, 24) = 0
[pid 18243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18243] setpgid(0, 0)               = 0
[pid 18243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18243] write(3, "1000", 4)         = 4
[pid 18243] close(3)                    = 0
[pid 18243] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  244.110508][T18239] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18243] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18243] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18243] close(5)                    = 0
[pid 18243] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18246 attached
) = 18246
[pid 18243] tkill(18246, SIGSTOP)       = 0
[pid 18246] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18243, si_uid=65534} ---
[pid 18243] exit_group(0 <unfinished ...>
[pid 18246] --- stopped by SIGSTOP ---
[pid 18243] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18246, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18243] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18247 attached
, child_tidptr=0x5555574e8650) = 18247
[pid 18247] set_robust_list(0x5555574e8660, 24) = 0
[pid 18247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18247] setpgid(0, 0)               = 0
[pid 18247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18247] write(3, "1000", 4)         = 4
[pid 18247] close(3)                    = 0
[pid 18247] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  244.175401][T18243] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18247] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18247] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18247] close(5)                    = 0
[pid 18247] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18250 attached
) = 18250
[pid 18247] tkill(18250, SIGSTOP)       = 0
[pid 18250] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18247, si_uid=65534} ---
[pid 18247] exit_group(0 <unfinished ...>
[pid 18250] --- stopped by SIGSTOP ---
[pid 18247] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18250, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18247] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18247, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18251 attached
, child_tidptr=0x5555574e8650) = 18251
[pid 18251] set_robust_list(0x5555574e8660, 24) = 0
[pid 18251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18251] setpgid(0, 0)               = 0
[pid 18251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18251] write(3, "1000", 4)         = 4
[pid 18251] close(3)                    = 0
[pid 18251] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18251] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  244.241722][T18247] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18251] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18251] close(5)                    = 0
[pid 18251] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18254 attached
) = 18254
[pid 18251] tkill(18254, SIGSTOP)       = 0
[pid 18251] exit_group(0 <unfinished ...>
[pid 18254] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18251, si_uid=65534} ---
[pid 18251] <... exit_group resumed>)   = ?
[pid 18254] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18254, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18251] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18251, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18255 attached
, child_tidptr=0x5555574e8650) = 18255
[pid 18255] set_robust_list(0x5555574e8660, 24) = 0
[pid 18255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18255] setpgid(0, 0)               = 0
[pid 18255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18255] write(3, "1000", 4)         = 4
[pid 18255] close(3)                    = 0
[pid 18255] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18255] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  244.302442][T18251] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18255] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18255] close(5)                    = 0
[pid 18255] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18258 attached
) = 18258
[pid 18255] tkill(18258, SIGSTOP)       = 0
[pid 18258] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18255, si_uid=65534} ---
[pid 18255] exit_group(0 <unfinished ...>
[pid 18258] --- stopped by SIGSTOP ---
[pid 18255] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18258, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18255] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18259 attached
, child_tidptr=0x5555574e8650) = 18259
[pid 18259] set_robust_list(0x5555574e8660, 24) = 0
[pid 18259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18259] setpgid(0, 0)               = 0
[pid 18259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18259] write(3, "1000", 4)         = 4
[pid 18259] close(3)                    = 0
[pid 18259] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  244.365560][T18255] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18259] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18259] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18259] close(5)                    = 0
[pid 18259] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18262 attached
) = 18262
[pid 18259] tkill(18262, SIGSTOP)       = 0
[pid 18262] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18259, si_uid=65534} ---
[pid 18259] exit_group(0 <unfinished ...>
[pid 18262] --- stopped by SIGSTOP ---
[pid 18259] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18262, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18259] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18259, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18263 attached
, child_tidptr=0x5555574e8650) = 18263
[pid 18263] set_robust_list(0x5555574e8660, 24) = 0
[pid 18263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18263] setpgid(0, 0)               = 0
[pid 18263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18263] write(3, "1000", 4)         = 4
[pid 18263] close(3)                    = 0
[  244.432170][T18259] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18263] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18263] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18263] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18263] close(5)                    = 0
[pid 18263] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18266 attached
) = 18266
[pid 18263] tkill(18266, SIGSTOP)       = 0
[pid 18266] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18263, si_uid=65534} ---
[pid 18263] exit_group(0 <unfinished ...>
[pid 18266] --- stopped by SIGSTOP ---
[pid 18263] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18266, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18263] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18267 attached
, child_tidptr=0x5555574e8650) = 18267
[pid 18267] set_robust_list(0x5555574e8660, 24) = 0
[pid 18267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18267] setpgid(0, 0)               = 0
[pid 18267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18267] write(3, "1000", 4)         = 4
[  244.501231][T18263] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18267] close(3)                    = 0
[pid 18267] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18267] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18267] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18267] close(5)                    = 0
[pid 18267] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18270 attached
) = 18270
[pid 18267] tkill(18270, SIGSTOP)       = 0
[pid 18270] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18267, si_uid=65534} ---
[pid 18270] --- stopped by SIGSTOP ---
[pid 18267] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18270, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18267] <... exit_group resumed>)   = ?
[pid 18267] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18271 attached
, child_tidptr=0x5555574e8650) = 18271
[pid 18271] set_robust_list(0x5555574e8660, 24) = 0
[pid 18271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18271] setpgid(0, 0)               = 0
[pid 18271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  244.574467][T18267] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18271] write(3, "1000", 4)         = 4
[pid 18271] close(3)                    = 0
[pid 18271] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18271] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18271] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18271] close(5)                    = 0
[pid 18271] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18274 attached
) = 18274
[pid 18271] tkill(18274, SIGSTOP)       = 0
[pid 18274] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18271, si_uid=65534} ---
[pid 18271] exit_group(0 <unfinished ...>
[pid 18274] --- stopped by SIGSTOP ---
[pid 18271] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18274, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18271] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18275 attached
, child_tidptr=0x5555574e8650) = 18275
[pid 18275] set_robust_list(0x5555574e8660, 24) = 0
[pid 18275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18275] setpgid(0, 0)               = 0
[pid 18275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18275] write(3, "1000", 4)         = 4
[pid 18275] close(3)                    = 0
[pid 18275] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18275] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  244.649680][T18271] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18275] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18275] close(5)                    = 0
[pid 18275] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18278 attached
) = 18278
[pid 18275] tkill(18278, SIGSTOP)       = 0
[pid 18278] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18275, si_uid=65534} ---
[pid 18275] exit_group(0 <unfinished ...>
[pid 18278] --- stopped by SIGSTOP ---
[pid 18275] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18278, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18275] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18275, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18279 attached
, child_tidptr=0x5555574e8650) = 18279
[pid 18279] set_robust_list(0x5555574e8660, 24) = 0
[pid 18279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18279] setpgid(0, 0)               = 0
[pid 18279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18279] write(3, "1000", 4)         = 4
[pid 18279] close(3)                    = 0
[pid 18279] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  244.712152][T18275] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18279] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18279] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18279] close(5)                    = 0
[pid 18279] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18282 attached
) = 18282
[pid 18279] tkill(18282, SIGSTOP)       = 0
[pid 18282] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18279, si_uid=65534} ---
[pid 18279] exit_group(0 <unfinished ...>
[pid 18282] --- stopped by SIGSTOP ---
[pid 18279] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18282, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18279] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18283 attached
, child_tidptr=0x5555574e8650) = 18283
[pid 18283] set_robust_list(0x5555574e8660, 24) = 0
[pid 18283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18283] setpgid(0, 0)               = 0
[pid 18283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18283] write(3, "1000", 4)         = 4
[pid 18283] close(3)                    = 0
[  244.777020][T18279] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18283] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18283] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18283] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18283] close(5)                    = 0
[pid 18283] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18286 attached
) = 18286
[pid 18283] tkill(18286, SIGSTOP)       = 0
[pid 18283] exit_group(0 <unfinished ...>
[pid 18286] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18283, si_uid=65534} ---
[pid 18283] <... exit_group resumed>)   = ?
[pid 18286] --- stopped by SIGSTOP ---
[pid 18283] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18286, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18287 attached
, child_tidptr=0x5555574e8650) = 18287
[pid 18287] set_robust_list(0x5555574e8660, 24) = 0
[pid 18287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18287] setpgid(0, 0)               = 0
[pid 18287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18287] write(3, "1000", 4)         = 4
[pid 18287] close(3)                    = 0
[  244.845111][T18283] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18287] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18287] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18287] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18287] close(5)                    = 0
[pid 18287] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18290 attached
) = 18290
[pid 18287] tkill(18290, SIGSTOP)       = 0
[pid 18290] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18287, si_uid=65534} ---
[pid 18287] exit_group(0 <unfinished ...>
[pid 18290] --- stopped by SIGSTOP ---
[pid 18287] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18290, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18287] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18287, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18291 attached
, child_tidptr=0x5555574e8650) = 18291
[pid 18291] set_robust_list(0x5555574e8660, 24) = 0
[pid 18291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18291] setpgid(0, 0)               = 0
[pid 18291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18291] write(3, "1000", 4)         = 4
[pid 18291] close(3)                    = 0
[pid 18291] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  244.914214][T18287] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18291] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18291] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18291] close(5)                    = 0
[pid 18291] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18294 attached
) = 18294
[pid 18291] tkill(18294, SIGSTOP)       = 0
[pid 18294] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18291, si_uid=65534} ---
[pid 18291] exit_group(0 <unfinished ...>
[pid 18294] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18294, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18291] <... exit_group resumed>)   = ?
[pid 18291] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18291, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18295 attached
, child_tidptr=0x5555574e8650) = 18295
[pid 18295] set_robust_list(0x5555574e8660, 24) = 0
[pid 18295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18295] setpgid(0, 0)               = 0
[pid 18295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18295] write(3, "1000", 4)         = 4
[pid 18295] close(3)                    = 0
[pid 18295] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18295] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  244.980831][T18291] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18295] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18295] close(5)                    = 0
[pid 18295] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18298 attached
) = 18298
[pid 18295] tkill(18298, SIGSTOP)       = 0
[pid 18298] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18295, si_uid=65534} ---
[pid 18295] exit_group(0 <unfinished ...>
[pid 18298] --- stopped by SIGSTOP ---
[pid 18295] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18298, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18295] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18295, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18299 attached
, child_tidptr=0x5555574e8650) = 18299
[pid 18299] set_robust_list(0x5555574e8660, 24) = 0
[pid 18299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18299] setpgid(0, 0)               = 0
[pid 18299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18299] write(3, "1000", 4)         = 4
[pid 18299] close(3)                    = 0
[pid 18299] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18299] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.045746][T18295] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18299] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18299] close(5)                    = 0
[pid 18299] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18302 attached
) = 18302
[pid 18299] tkill(18302, SIGSTOP)       = 0
[pid 18302] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18299, si_uid=65534} ---
[pid 18299] exit_group(0 <unfinished ...>
[pid 18302] --- stopped by SIGSTOP ---
[pid 18299] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18302, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18299] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18303 attached
, child_tidptr=0x5555574e8650) = 18303
[pid 18303] set_robust_list(0x5555574e8660, 24) = 0
[pid 18303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18303] setpgid(0, 0)               = 0
[pid 18303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18303] write(3, "1000", 4)         = 4
[pid 18303] close(3)                    = 0
[pid 18303] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18303] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.109149][T18299] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18303] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18303] close(5)                    = 0
[pid 18303] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18306 attached
) = 18306
[pid 18303] tkill(18306, SIGSTOP)       = 0
[pid 18306] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18303, si_uid=65534} ---
[pid 18303] exit_group(0 <unfinished ...>
[pid 18306] --- stopped by SIGSTOP ---
[pid 18303] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18306, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18303] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18303, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18307 attached
, child_tidptr=0x5555574e8650) = 18307
[pid 18307] set_robust_list(0x5555574e8660, 24) = 0
[pid 18307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18307] setpgid(0, 0)               = 0
[pid 18307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18307] write(3, "1000", 4)         = 4
[pid 18307] close(3)                    = 0
[pid 18307] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18307] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.173756][T18303] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18307] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18307] close(5)                    = 0
[pid 18307] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18310 attached
) = 18310
[pid 18307] tkill(18310, SIGSTOP)       = 0
[pid 18310] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18307, si_uid=65534} ---
[pid 18307] exit_group(0 <unfinished ...>
[pid 18310] --- stopped by SIGSTOP ---
[pid 18307] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18310, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18307] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18311 attached
, child_tidptr=0x5555574e8650) = 18311
[pid 18311] set_robust_list(0x5555574e8660, 24) = 0
[pid 18311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18311] setpgid(0, 0)               = 0
[pid 18311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18311] write(3, "1000", 4)         = 4
[pid 18311] close(3)                    = 0
[  245.237458][T18307] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18311] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18311] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18311] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18311] close(5)                    = 0
[pid 18311] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18314 attached
) = 18314
[pid 18311] tkill(18314, SIGSTOP)       = 0
[pid 18311] exit_group(0 <unfinished ...>
[pid 18314] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18311, si_uid=65534} ---
[pid 18311] <... exit_group resumed>)   = ?
[pid 18314] --- stopped by SIGSTOP ---
[pid 18311] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18314, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18315 attached
, child_tidptr=0x5555574e8650) = 18315
[pid 18315] set_robust_list(0x5555574e8660, 24) = 0
[pid 18315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18315] setpgid(0, 0)               = 0
[pid 18315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18315] write(3, "1000", 4)         = 4
[pid 18315] close(3)                    = 0
[pid 18315] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18315] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.309582][T18311] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18315] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18315] close(5)                    = 0
[pid 18315] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18318 attached
) = 18318
[pid 18315] tkill(18318, SIGSTOP)       = 0
[pid 18318] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18315, si_uid=65534} ---
[pid 18315] exit_group(0 <unfinished ...>
[pid 18318] --- stopped by SIGSTOP ---
[pid 18315] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18318, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18315] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18315, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18319 attached
, child_tidptr=0x5555574e8650) = 18319
[pid 18319] set_robust_list(0x5555574e8660, 24) = 0
[pid 18319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18319] setpgid(0, 0)               = 0
[pid 18319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18319] write(3, "1000", 4)         = 4
[pid 18319] close(3)                    = 0
[pid 18319] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.370688][T18315] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18319] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18319] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18319] close(5)                    = 0
[pid 18319] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18322 attached
) = 18322
[pid 18319] tkill(18322, SIGSTOP)       = 0
[pid 18322] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18319, si_uid=65534} ---
[pid 18319] exit_group(0 <unfinished ...>
[pid 18322] --- stopped by SIGSTOP ---
[pid 18319] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18322, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18319] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18323 attached
, child_tidptr=0x5555574e8650) = 18323
[pid 18323] set_robust_list(0x5555574e8660, 24) = 0
[pid 18323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18323] setpgid(0, 0)               = 0
[pid 18323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18323] write(3, "1000", 4)         = 4
[pid 18323] close(3)                    = 0
[pid 18323] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.435470][T18319] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18323] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18323] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18323] close(5)                    = 0
[pid 18323] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18326 attached
) = 18326
[pid 18323] tkill(18326, SIGSTOP)       = 0
[pid 18326] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18323, si_uid=65534} ---
[pid 18323] exit_group(0 <unfinished ...>
[pid 18326] --- stopped by SIGSTOP ---
[pid 18323] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18326, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18323] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18323, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18327 attached
, child_tidptr=0x5555574e8650) = 18327
[pid 18327] set_robust_list(0x5555574e8660, 24) = 0
[pid 18327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18327] setpgid(0, 0)               = 0
[pid 18327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18327] write(3, "1000", 4)         = 4
[pid 18327] close(3)                    = 0
[pid 18327] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18327] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.500453][T18323] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18327] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18327] close(5)                    = 0
[pid 18327] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18330 attached
) = 18330
[pid 18327] tkill(18330, SIGSTOP)       = 0
[pid 18327] exit_group(0 <unfinished ...>
[pid 18330] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18327, si_uid=65534} ---
[pid 18327] <... exit_group resumed>)   = ?
[pid 18330] --- stopped by SIGSTOP ---
[pid 18327] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18330, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18331 attached
, child_tidptr=0x5555574e8650) = 18331
[pid 18331] set_robust_list(0x5555574e8660, 24) = 0
[pid 18331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18331] setpgid(0, 0)               = 0
[pid 18331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18331] write(3, "1000", 4)         = 4
[pid 18331] close(3)                    = 0
[pid 18331] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18331] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  245.560612][T18327] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18331] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18331] close(5)                    = 0
[pid 18331] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18334 attached
) = 18334
[pid 18331] tkill(18334, SIGSTOP)       = 0
[pid 18334] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18331, si_uid=65534} ---
[pid 18331] exit_group(0 <unfinished ...>
[pid 18334] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18334, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18331] <... exit_group resumed>)   = ?
[pid 18331] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18331, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18335 attached
, child_tidptr=0x5555574e8650) = 18335
[pid 18335] set_robust_list(0x5555574e8660, 24) = 0
[pid 18335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18335] setpgid(0, 0)               = 0
[pid 18335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18335] write(3, "1000", 4)         = 4
[pid 18335] close(3)                    = 0
[pid 18335] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.624213][T18331] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18335] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18335] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18335] close(5)                    = 0
[pid 18335] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18338 attached
) = 18338
[pid 18335] tkill(18338, SIGSTOP)       = 0
[pid 18338] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18335, si_uid=65534} ---
[pid 18335] exit_group(0 <unfinished ...>
[pid 18338] --- stopped by SIGSTOP ---
[pid 18335] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18338, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18335] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18335, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18339 attached
, child_tidptr=0x5555574e8650) = 18339
[pid 18339] set_robust_list(0x5555574e8660, 24) = 0
[pid 18339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18339] setpgid(0, 0)               = 0
[pid 18339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18339] write(3, "1000", 4)         = 4
[pid 18339] close(3)                    = 0
[pid 18339] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.692734][T18335] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18339] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18339] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18339] close(5)                    = 0
[pid 18339] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18342 attached
) = 18342
[pid 18339] tkill(18342, SIGSTOP)       = 0
[pid 18339] exit_group(0 <unfinished ...>
[pid 18342] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18339, si_uid=65534} ---
[pid 18339] <... exit_group resumed>)   = ?
[pid 18342] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18342, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18339] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18343 attached
, child_tidptr=0x5555574e8650) = 18343
[pid 18343] set_robust_list(0x5555574e8660, 24) = 0
[pid 18343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18343] setpgid(0, 0)               = 0
[pid 18343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18343] write(3, "1000", 4)         = 4
[pid 18343] close(3)                    = 0
[pid 18343] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.760143][T18339] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18343] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18343] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18343] close(5)                    = 0
[pid 18343] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18346 attached
) = 18346
[pid 18343] tkill(18346, SIGSTOP)       = 0
[pid 18346] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18343, si_uid=65534} ---
[pid 18343] exit_group(0 <unfinished ...>
[pid 18346] --- stopped by SIGSTOP ---
[pid 18343] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18346, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18343] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18347 attached
, child_tidptr=0x5555574e8650) = 18347
[pid 18347] set_robust_list(0x5555574e8660, 24) = 0
[pid 18347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18347] setpgid(0, 0)               = 0
[pid 18347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18347] write(3, "1000", 4)         = 4
[pid 18347] close(3)                    = 0
[pid 18347] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.826969][T18343] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18347] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18347] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18347] close(5)                    = 0
[pid 18347] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18350 attached
) = 18350
[pid 18347] tkill(18350, SIGSTOP)       = 0
[pid 18347] exit_group(0 <unfinished ...>
[pid 18350] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18347, si_uid=65534} ---
[pid 18347] <... exit_group resumed>)   = ?
[pid 18350] --- stopped by SIGSTOP ---
[pid 18347] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18350, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18351 attached
, child_tidptr=0x5555574e8650) = 18351
[pid 18351] set_robust_list(0x5555574e8660, 24) = 0
[pid 18351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18351] setpgid(0, 0)               = 0
[pid 18351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18351] write(3, "1000", 4)         = 4
[pid 18351] close(3)                    = 0
[pid 18351] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  245.893007][T18347] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18351] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18351] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18351] close(5)                    = 0
[pid 18351] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18354 attached
) = 18354
[pid 18351] tkill(18354, SIGSTOP)       = 0
[pid 18354] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18351, si_uid=65534} ---
[pid 18351] exit_group(0 <unfinished ...>
[pid 18354] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18354, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18351] <... exit_group resumed>)   = ?
[pid 18351] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18351, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18355 attached
, child_tidptr=0x5555574e8650) = 18355
[pid 18355] set_robust_list(0x5555574e8660, 24) = 0
[pid 18355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18355] setpgid(0, 0)               = 0
[pid 18355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18355] write(3, "1000", 4)         = 4
[pid 18355] close(3)                    = 0
[  245.961811][T18351] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18355] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18355] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18355] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18355] close(5)                    = 0
[pid 18355] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18358 attached
) = 18358
[pid 18355] tkill(18358, SIGSTOP)       = 0
[pid 18358] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18355, si_uid=65534} ---
[pid 18355] exit_group(0 <unfinished ...>
[pid 18358] --- stopped by SIGSTOP ---
[pid 18355] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18358, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18355] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18355, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18359 attached
, child_tidptr=0x5555574e8650) = 18359
[pid 18359] set_robust_list(0x5555574e8660, 24) = 0
[pid 18359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18359] setpgid(0, 0)               = 0
[pid 18359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18359] write(3, "1000", 4)         = 4
[pid 18359] close(3)                    = 0
[pid 18359] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.030185][T18355] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18359] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18359] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18359] close(5)                    = 0
[pid 18359] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18362 attached
) = 18362
[pid 18359] tkill(18362, SIGSTOP)       = 0
[pid 18359] exit_group(0 <unfinished ...>
[pid 18362] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18359, si_uid=65534} ---
[pid 18359] <... exit_group resumed>)   = ?
[pid 18362] --- stopped by SIGSTOP ---
[pid 18359] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18362, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18363 attached
, child_tidptr=0x5555574e8650) = 18363
[pid 18363] set_robust_list(0x5555574e8660, 24) = 0
[pid 18363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18363] setpgid(0, 0)               = 0
[pid 18363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18363] write(3, "1000", 4)         = 4
[pid 18363] close(3)                    = 0
[pid 18363] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18363] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  246.096319][T18359] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18363] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18363] close(5)                    = 0
[pid 18363] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18366 attached
) = 18366
[pid 18363] tkill(18366, SIGSTOP)       = 0
[pid 18366] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18363, si_uid=65534} ---
[pid 18363] exit_group(0 <unfinished ...>
[pid 18366] --- stopped by SIGSTOP ---
[pid 18363] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18366, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18363] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18367 attached
, child_tidptr=0x5555574e8650) = 18367
[pid 18367] set_robust_list(0x5555574e8660, 24) = 0
[pid 18367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18367] setpgid(0, 0)               = 0
[pid 18367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18367] write(3, "1000", 4)         = 4
[pid 18367] close(3)                    = 0
[pid 18367] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.158701][T18363] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18367] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18367] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18367] close(5)                    = 0
[pid 18367] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18370 attached
) = 18370
[pid 18367] tkill(18370, SIGSTOP)       = 0
[pid 18370] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18367, si_uid=65534} ---
[pid 18367] exit_group(0 <unfinished ...>
[pid 18370] --- stopped by SIGSTOP ---
[pid 18367] <... exit_group resumed>)   = ?
[pid 18367] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18370, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18371 attached
, child_tidptr=0x5555574e8650) = 18371
[pid 18371] set_robust_list(0x5555574e8660, 24) = 0
[pid 18371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18371] setpgid(0, 0)               = 0
[pid 18371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18371] write(3, "1000", 4)         = 4
[pid 18371] close(3)                    = 0
[pid 18371] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.225297][T18367] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18371] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18371] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18371] close(5)                    = 0
[pid 18371] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18374 attached
) = 18374
[pid 18371] tkill(18374, SIGSTOP)       = 0
[pid 18374] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18371, si_uid=65534} ---
[pid 18371] exit_group(0 <unfinished ...>
[pid 18374] --- stopped by SIGSTOP ---
[pid 18371] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18374, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18371] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18371, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18375 attached
, child_tidptr=0x5555574e8650) = 18375
[pid 18375] set_robust_list(0x5555574e8660, 24) = 0
[pid 18375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18375] setpgid(0, 0)               = 0
[  246.290457][T18371] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18375] write(3, "1000", 4)         = 4
[pid 18375] close(3)                    = 0
[pid 18375] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18375] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18375] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18375] close(5)                    = 0
[pid 18375] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18378 attached
) = 18378
[pid 18375] tkill(18378, SIGSTOP)       = 0
[pid 18378] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18375, si_uid=65534} ---
[pid 18375] exit_group(0 <unfinished ...>
[pid 18378] --- stopped by SIGSTOP ---
[pid 18375] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18378, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18375] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18379 attached
, child_tidptr=0x5555574e8650) = 18379
[pid 18379] set_robust_list(0x5555574e8660, 24) = 0
[pid 18379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18379] setpgid(0, 0)               = 0
[pid 18379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18379] write(3, "1000", 4)         = 4
[pid 18379] close(3)                    = 0
[pid 18379] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.369189][T18375] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18379] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18379] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18379] close(5)                    = 0
[pid 18379] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18382 attached
) = 18382
[pid 18379] tkill(18382, SIGSTOP)       = 0
[pid 18382] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18379, si_uid=65534} ---
[pid 18379] exit_group(0 <unfinished ...>
[pid 18382] --- stopped by SIGSTOP ---
[pid 18379] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18382, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18379] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18379, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18383 attached
, child_tidptr=0x5555574e8650) = 18383
[pid 18383] set_robust_list(0x5555574e8660, 24) = 0
[pid 18383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18383] setpgid(0, 0)               = 0
[pid 18383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18383] write(3, "1000", 4)         = 4
[pid 18383] close(3)                    = 0
[pid 18383] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18383] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  246.436181][T18379] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18383] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18383] close(5)                    = 0
[pid 18383] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18386 attached
) = 18386
[pid 18383] tkill(18386, SIGSTOP)       = 0
[pid 18386] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18383, si_uid=65534} ---
[pid 18383] exit_group(0 <unfinished ...>
[pid 18386] --- stopped by SIGSTOP ---
[pid 18383] <... exit_group resumed>)   = ?
[pid 18383] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18386, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18387 attached
, child_tidptr=0x5555574e8650) = 18387
[pid 18387] set_robust_list(0x5555574e8660, 24) = 0
[pid 18387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18387] setpgid(0, 0)               = 0
[pid 18387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18387] write(3, "1000", 4)         = 4
[pid 18387] close(3)                    = 0
[pid 18387] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.500909][T18383] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18387] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18387] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18387] close(5)                    = 0
[pid 18387] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18390 attached
) = 18390
[pid 18387] tkill(18390, SIGSTOP)       = 0
[pid 18390] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18387, si_uid=65534} ---
[pid 18387] exit_group(0 <unfinished ...>
[pid 18390] --- stopped by SIGSTOP ---
[pid 18387] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18390, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18387] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18391 attached
, child_tidptr=0x5555574e8650) = 18391
[pid 18391] set_robust_list(0x5555574e8660, 24) = 0
[pid 18391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18391] setpgid(0, 0)               = 0
[pid 18391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18391] write(3, "1000", 4)         = 4
[pid 18391] close(3)                    = 0
[pid 18391] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18391] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  246.566067][T18387] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18391] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18391] close(5)                    = 0
[pid 18391] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18394 attached
) = 18394
[pid 18391] tkill(18394, SIGSTOP)       = 0
[pid 18394] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18391, si_uid=65534} ---
[pid 18391] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18394, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18394] --- stopped by SIGSTOP ---
[pid 18391] <... exit_group resumed>)   = ?
[pid 18391] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18395 attached
, child_tidptr=0x5555574e8650) = 18395
[pid 18395] set_robust_list(0x5555574e8660, 24) = 0
[pid 18395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18395] setpgid(0, 0)               = 0
[pid 18395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18395] write(3, "1000", 4)         = 4
[pid 18395] close(3)                    = 0
[  246.631187][T18391] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18395] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18395] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18395] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18395] close(5)                    = 0
[pid 18395] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18398 attached
) = 18398
[pid 18395] tkill(18398, SIGSTOP)       = 0
[pid 18398] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18395, si_uid=65534} ---
[pid 18395] exit_group(0 <unfinished ...>
[pid 18398] --- stopped by SIGSTOP ---
[pid 18395] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18398, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18395] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18399 attached
, child_tidptr=0x5555574e8650) = 18399
[pid 18399] set_robust_list(0x5555574e8660, 24) = 0
[pid 18399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18399] setpgid(0, 0)               = 0
[pid 18399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18399] write(3, "1000", 4)         = 4
[pid 18399] close(3)                    = 0
[pid 18399] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.699057][T18395] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18399] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18399] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18399] close(5)                    = 0
[pid 18399] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18402 attached
) = 18402
[pid 18399] tkill(18402, SIGSTOP)       = 0
[pid 18402] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18399, si_uid=65534} ---
[pid 18399] exit_group(0 <unfinished ...>
[pid 18402] --- stopped by SIGSTOP ---
[pid 18399] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18402, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18399] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18399, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18403 attached
, child_tidptr=0x5555574e8650) = 18403
[pid 18403] set_robust_list(0x5555574e8660, 24) = 0
[pid 18403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18403] setpgid(0, 0)               = 0
[pid 18403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18403] write(3, "1000", 4)         = 4
[pid 18403] close(3)                    = 0
[pid 18403] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.763849][T18399] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18403] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18403] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18403] close(5)                    = 0
[pid 18403] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18406 attached
) = 18406
[pid 18403] tkill(18406, SIGSTOP)       = 0
[pid 18403] exit_group(0 <unfinished ...>
[pid 18406] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18403, si_uid=65534} ---
[pid 18406] --- stopped by SIGSTOP ---
[pid 18403] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18406, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18403] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18407 attached
, child_tidptr=0x5555574e8650) = 18407
[pid 18407] set_robust_list(0x5555574e8660, 24) = 0
[pid 18407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18407] setpgid(0, 0)               = 0
[pid 18407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18407] write(3, "1000", 4)         = 4
[pid 18407] close(3)                    = 0
[pid 18407] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.830747][T18403] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18407] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18407] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18407] close(5)                    = 0
[pid 18407] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18410 attached
) = 18410
[pid 18407] tkill(18410, SIGSTOP)       = 0
[pid 18410] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18407, si_uid=65534} ---
[pid 18407] exit_group(0 <unfinished ...>
[pid 18410] --- stopped by SIGSTOP ---
[pid 18407] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18410, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18407] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18411 attached
, child_tidptr=0x5555574e8650) = 18411
[pid 18411] set_robust_list(0x5555574e8660, 24) = 0
[pid 18411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18411] setpgid(0, 0)               = 0
[pid 18411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18411] write(3, "1000", 4)         = 4
[pid 18411] close(3)                    = 0
[pid 18411] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  246.897756][T18407] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18411] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18411] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18411] close(5)                    = 0
[pid 18411] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18414 attached
) = 18414
[pid 18411] tkill(18414, SIGSTOP)       = 0
[pid 18414] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18411, si_uid=65534} ---
[pid 18411] exit_group(0 <unfinished ...>
[pid 18414] --- stopped by SIGSTOP ---
[pid 18411] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18414, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18411] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18415 attached
, child_tidptr=0x5555574e8650) = 18415
[pid 18415] set_robust_list(0x5555574e8660, 24) = 0
[pid 18415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18415] setpgid(0, 0)               = 0
[pid 18415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18415] write(3, "1000", 4)         = 4
[pid 18415] close(3)                    = 0
[  246.964417][T18411] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18415] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18415] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18415] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18415] close(5)                    = 0
[pid 18415] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18418 attached
) = 18418
[pid 18415] tkill(18418, SIGSTOP)       = 0
[pid 18418] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18415, si_uid=65534} ---
[pid 18415] exit_group(0 <unfinished ...>
[pid 18418] --- stopped by SIGSTOP ---
[pid 18415] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18418, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18415] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18415, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18419 attached
, child_tidptr=0x5555574e8650) = 18419
[pid 18419] set_robust_list(0x5555574e8660, 24) = 0
[pid 18419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18419] setpgid(0, 0)               = 0
[pid 18419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18419] write(3, "1000", 4)         = 4
[pid 18419] close(3)                    = 0
[pid 18419] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.032596][T18415] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18419] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18419] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18419] close(5)                    = 0
[pid 18419] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18422 attached
) = 18422
[pid 18419] tkill(18422, SIGSTOP)       = 0
[pid 18422] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18419, si_uid=65534} ---
[pid 18419] exit_group(0 <unfinished ...>
[pid 18422] --- stopped by SIGSTOP ---
[pid 18419] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18422, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18419] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18423 attached
, child_tidptr=0x5555574e8650) = 18423
[pid 18423] set_robust_list(0x5555574e8660, 24) = 0
[pid 18423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18423] setpgid(0, 0)               = 0
[pid 18423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18423] write(3, "1000", 4)         = 4
[pid 18423] close(3)                    = 0
[pid 18423] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18423] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  247.098522][T18419] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18423] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18423] close(5)                    = 0
[pid 18423] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18426 attached
) = 18426
[pid 18423] tkill(18426, SIGSTOP)       = 0
[pid 18426] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18423, si_uid=65534} ---
[pid 18423] exit_group(0 <unfinished ...>
[pid 18426] --- stopped by SIGSTOP ---
[pid 18423] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18426, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18423] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18423, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18427 attached
, child_tidptr=0x5555574e8650) = 18427
[pid 18427] set_robust_list(0x5555574e8660, 24) = 0
[pid 18427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18427] setpgid(0, 0)               = 0
[pid 18427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18427] write(3, "1000", 4)         = 4
[pid 18427] close(3)                    = 0
[pid 18427] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.163094][T18423] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18427] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18427] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18427] close(5)                    = 0
[pid 18427] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18430 attached
) = 18430
[pid 18427] tkill(18430, SIGSTOP)       = 0
[pid 18430] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18427, si_uid=65534} ---
[pid 18427] exit_group(0 <unfinished ...>
[pid 18430] --- stopped by SIGSTOP ---
[pid 18427] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18430, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18427] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18431 attached
, child_tidptr=0x5555574e8650) = 18431
[pid 18431] set_robust_list(0x5555574e8660, 24) = 0
[pid 18431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18431] setpgid(0, 0)               = 0
[pid 18431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18431] write(3, "1000", 4)         = 4
[pid 18431] close(3)                    = 0
[  247.229626][T18427] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18431] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18431] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18431] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18431] close(5)                    = 0
[pid 18431] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18434 attached
) = 18434
[pid 18431] tkill(18434, SIGSTOP)       = 0
[pid 18434] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18431, si_uid=65534} ---
[pid 18431] exit_group(0)               = ?
[pid 18434] --- stopped by SIGSTOP ---
[pid 18431] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18434, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18435 attached
, child_tidptr=0x5555574e8650) = 18435
[pid 18435] set_robust_list(0x5555574e8660, 24) = 0
[pid 18435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18435] setpgid(0, 0)               = 0
[pid 18435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18435] write(3, "1000", 4)         = 4
[pid 18435] close(3)                    = 0
[pid 18435] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18435] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  247.300595][T18431] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18435] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18435] close(5)                    = 0
[pid 18435] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18438 attached
) = 18438
[pid 18435] tkill(18438, SIGSTOP)       = 0
[pid 18438] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18435, si_uid=65534} ---
[pid 18435] exit_group(0 <unfinished ...>
[pid 18438] --- stopped by SIGSTOP ---
[pid 18435] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18438, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18435] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18439 attached
, child_tidptr=0x5555574e8650) = 18439
[pid 18439] set_robust_list(0x5555574e8660, 24) = 0
[pid 18439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18439] setpgid(0, 0)               = 0
[pid 18439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18439] write(3, "1000", 4)         = 4
[pid 18439] close(3)                    = 0
[  247.365129][T18435] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18439] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18439] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18439] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18439] close(5)                    = 0
[pid 18439] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18442 attached
) = 18442
[pid 18439] tkill(18442, SIGSTOP)       = 0
[pid 18442] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18439, si_uid=65534} ---
[pid 18439] exit_group(0 <unfinished ...>
[pid 18442] --- stopped by SIGSTOP ---
[pid 18439] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18442, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18439] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18439, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18443 attached
, child_tidptr=0x5555574e8650) = 18443
[pid 18443] set_robust_list(0x5555574e8660, 24) = 0
[pid 18443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18443] setpgid(0, 0)               = 0
[pid 18443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  247.432952][T18439] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18443] write(3, "1000", 4)         = 4
[pid 18443] close(3)                    = 0
[pid 18443] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18443] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18443] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18443] close(5)                    = 0
[pid 18443] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18446 attached
) = 18446
[pid 18443] tkill(18446, SIGSTOP)       = 0
[pid 18446] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18443, si_uid=65534} ---
[pid 18443] exit_group(0)               = ?
[pid 18446] --- stopped by SIGSTOP ---
[pid 18443] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18446, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18447 attached
, child_tidptr=0x5555574e8650) = 18447
[pid 18447] set_robust_list(0x5555574e8660, 24) = 0
[pid 18447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18447] setpgid(0, 0)               = 0
[pid 18447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18447] write(3, "1000", 4)         = 4
[pid 18447] close(3)                    = 0
[pid 18447] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.507331][T18443] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18447] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18447] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18447] close(5)                    = 0
[pid 18447] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18450 attached
) = 18450
[pid 18447] tkill(18450, SIGSTOP)       = 0
[pid 18450] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18447, si_uid=65534} ---
[pid 18447] exit_group(0 <unfinished ...>
[pid 18450] --- stopped by SIGSTOP ---
[pid 18447] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18450, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18447] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18447, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18451 attached
, child_tidptr=0x5555574e8650) = 18451
[pid 18451] set_robust_list(0x5555574e8660, 24) = 0
[pid 18451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18451] setpgid(0, 0)               = 0
[pid 18451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  247.573595][T18447] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18451] write(3, "1000", 4)         = 4
[pid 18451] close(3)                    = 0
[pid 18451] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18451] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18451] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18451] close(5)                    = 0
[pid 18451] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18454 attached
) = 18454
[pid 18451] tkill(18454, SIGSTOP)       = 0
[pid 18454] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18451, si_uid=65534} ---
[pid 18451] exit_group(0 <unfinished ...>
[pid 18454] --- stopped by SIGSTOP ---
[pid 18451] <... exit_group resumed>)   = ?
[pid 18451] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18454, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18455 attached
, child_tidptr=0x5555574e8650) = 18455
[pid 18455] set_robust_list(0x5555574e8660, 24) = 0
[pid 18455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18455] setpgid(0, 0)               = 0
[pid 18455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18455] write(3, "1000", 4)         = 4
[pid 18455] close(3)                    = 0
[pid 18455] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.649569][T18451] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18455] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18455] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18455] close(5)                    = 0
[pid 18455] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18458 attached
) = 18458
[pid 18455] tkill(18458, SIGSTOP)       = 0
[pid 18458] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18455, si_uid=65534} ---
[pid 18455] exit_group(0 <unfinished ...>
[pid 18458] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18458, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18455] <... exit_group resumed>)   = ?
[pid 18455] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18459 attached
, child_tidptr=0x5555574e8650) = 18459
[pid 18459] set_robust_list(0x5555574e8660, 24) = 0
[pid 18459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18459] setpgid(0, 0)               = 0
[pid 18459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18459] write(3, "1000", 4)         = 4
[  247.716715][T18455] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18459] close(3)                    = 0
[pid 18459] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18459] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18459] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18459] close(5)                    = 0
[pid 18459] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18462 attached
) = 18462
[pid 18459] tkill(18462, SIGSTOP)       = 0
[pid 18462] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18459, si_uid=65534} ---
[pid 18459] exit_group(0 <unfinished ...>
[pid 18462] --- stopped by SIGSTOP ---
[pid 18459] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18462, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18459] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18459, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18463 attached
, child_tidptr=0x5555574e8650) = 18463
[pid 18463] set_robust_list(0x5555574e8660, 24) = 0
[pid 18463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18463] setpgid(0, 0)               = 0
[pid 18463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18463] write(3, "1000", 4)         = 4
[pid 18463] close(3)                    = 0
[  247.792193][T18459] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18463] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18463] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18463] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18463] close(5)                    = 0
[pid 18463] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18466 attached
) = 18466
[pid 18463] tkill(18466, SIGSTOP)       = 0
[pid 18466] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18463, si_uid=65534} ---
[pid 18463] exit_group(0 <unfinished ...>
[pid 18466] --- stopped by SIGSTOP ---
[pid 18463] <... exit_group resumed>)   = ?
[pid 18463] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18466, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18467 attached
, child_tidptr=0x5555574e8650) = 18467
[pid 18467] set_robust_list(0x5555574e8660, 24) = 0
[pid 18467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18467] setpgid(0, 0)               = 0
[pid 18467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18467] write(3, "1000", 4)         = 4
[pid 18467] close(3)                    = 0
[pid 18467] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.859787][T18463] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18467] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18467] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18467] close(5)                    = 0
[pid 18467] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18470 attached
) = 18470
[pid 18467] tkill(18470, SIGSTOP)       = 0
[pid 18470] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18467, si_uid=65534} ---
[pid 18470] --- stopped by SIGSTOP ---
[pid 18467] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18470, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18467] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18467, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18471 attached
, child_tidptr=0x5555574e8650) = 18471
[pid 18471] set_robust_list(0x5555574e8660, 24) = 0
[pid 18471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18471] setpgid(0, 0)               = 0
[pid 18471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18471] write(3, "1000", 4)         = 4
[pid 18471] close(3)                    = 0
[pid 18471] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.925397][T18467] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18471] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18471] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18471] close(5)                    = 0
[pid 18471] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18474 attached
) = 18474
[pid 18471] tkill(18474, SIGSTOP)       = 0
[pid 18474] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18471, si_uid=65534} ---
[pid 18471] exit_group(0 <unfinished ...>
[pid 18474] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18474, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18471] <... exit_group resumed>)   = ?
[pid 18471] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18471, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18475 attached
, child_tidptr=0x5555574e8650) = 18475
[pid 18475] set_robust_list(0x5555574e8660, 24) = 0
[pid 18475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18475] setpgid(0, 0)               = 0
[pid 18475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18475] write(3, "1000", 4)         = 4
[pid 18475] close(3)                    = 0
[pid 18475] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  247.991270][T18471] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18475] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18475] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18475] close(5)                    = 0
[pid 18475] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18478 attached
) = 18478
[pid 18475] tkill(18478, SIGSTOP)       = 0
[pid 18478] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18475, si_uid=65534} ---
[pid 18475] exit_group(0 <unfinished ...>
[pid 18478] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18478, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18475] <... exit_group resumed>)   = ?
[pid 18475] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18479 attached
, child_tidptr=0x5555574e8650) = 18479
[pid 18479] set_robust_list(0x5555574e8660, 24) = 0
[pid 18479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18479] setpgid(0, 0)               = 0
[pid 18479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18479] write(3, "1000", 4)         = 4
[pid 18479] close(3)                    = 0
[pid 18479] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  248.057578][T18475] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18479] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18479] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18479] close(5)                    = 0
[pid 18479] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18482 attached
) = 18482
[pid 18479] tkill(18482, SIGSTOP)       = 0
[pid 18482] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18479, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18482, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18482] --- stopped by SIGSTOP ---
[pid 18479] exit_group(0)               = ?
[pid 18479] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18479, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18483 attached
, child_tidptr=0x5555574e8650) = 18483
[pid 18483] set_robust_list(0x5555574e8660, 24) = 0
[pid 18483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18483] setpgid(0, 0)               = 0
[pid 18483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18483] write(3, "1000", 4)         = 4
[pid 18483] close(3)                    = 0
[pid 18483] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18483] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.123485][T18479] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18483] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18483] close(5)                    = 0
[pid 18483] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18486 attached
) = 18486
[pid 18483] tkill(18486, SIGSTOP)       = 0
[pid 18486] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18483, si_uid=65534} ---
[pid 18483] exit_group(0 <unfinished ...>
[pid 18486] --- stopped by SIGSTOP ---
[pid 18483] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18486, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18483] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18487 attached
, child_tidptr=0x5555574e8650) = 18487
[pid 18487] set_robust_list(0x5555574e8660, 24) = 0
[pid 18487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18487] setpgid(0, 0)               = 0
[pid 18487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18487] write(3, "1000", 4)         = 4
[pid 18487] close(3)                    = 0
[pid 18487] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  248.187374][T18483] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18487] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18487] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18487] close(5)                    = 0
[pid 18487] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18490 attached
) = 18490
[pid 18487] tkill(18490, SIGSTOP)       = 0
[pid 18490] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18487, si_uid=65534} ---
[pid 18487] exit_group(0 <unfinished ...>
[pid 18490] --- stopped by SIGSTOP ---
[pid 18487] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18490, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18487] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18487, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18491 attached
, child_tidptr=0x5555574e8650) = 18491
[pid 18491] set_robust_list(0x5555574e8660, 24) = 0
[pid 18491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18491] setpgid(0, 0)               = 0
[pid 18491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18491] write(3, "1000", 4)         = 4
[pid 18491] close(3)                    = 0
[pid 18491] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18491] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.254183][T18487] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18491] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18491] close(5)                    = 0
[pid 18491] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18494 attached
) = 18494
[pid 18491] tkill(18494, SIGSTOP)       = 0
[pid 18494] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18491, si_uid=65534} ---
[pid 18491] exit_group(0 <unfinished ...>
[pid 18494] --- stopped by SIGSTOP ---
[pid 18491] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18494, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18491] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18495 attached
, child_tidptr=0x5555574e8650) = 18495
[pid 18495] set_robust_list(0x5555574e8660, 24) = 0
[pid 18495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18495] setpgid(0, 0)               = 0
[pid 18495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18495] write(3, "1000", 4)         = 4
[pid 18495] close(3)                    = 0
[pid 18495] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  248.317231][T18491] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18495] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18495] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18495] close(5)                    = 0
[pid 18495] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18498 attached
) = 18498
[pid 18495] tkill(18498, SIGSTOP)       = 0
[pid 18498] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18495, si_uid=65534} ---
[pid 18495] exit_group(0 <unfinished ...>
[pid 18498] --- stopped by SIGSTOP ---
[pid 18495] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18498, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18495] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18495, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18499 attached
, child_tidptr=0x5555574e8650) = 18499
[pid 18499] set_robust_list(0x5555574e8660, 24) = 0
[pid 18499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18499] setpgid(0, 0)               = 0
[pid 18499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18499] write(3, "1000", 4)         = 4
[pid 18499] close(3)                    = 0
[pid 18499] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  248.382519][T18495] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18499] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18499] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18499] close(5)                    = 0
[pid 18499] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18502 attached
) = 18502
[pid 18499] tkill(18502, SIGSTOP)       = 0
[pid 18502] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18499, si_uid=65534} ---
[pid 18499] exit_group(0 <unfinished ...>
[pid 18502] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18502, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18499] <... exit_group resumed>)   = ?
[pid 18499] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18503 attached
, child_tidptr=0x5555574e8650) = 18503
[pid 18503] set_robust_list(0x5555574e8660, 24) = 0
[pid 18503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18503] setpgid(0, 0)               = 0
[pid 18503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18503] write(3, "1000", 4)         = 4
[pid 18503] close(3)                    = 0
[  248.449562][T18499] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18503] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18503] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18503] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18503] close(5)                    = 0
[pid 18503] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18506 attached
) = 18506
[pid 18503] tkill(18506, SIGSTOP)       = 0
[pid 18506] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18503, si_uid=65534} ---
[pid 18503] exit_group(0 <unfinished ...>
[pid 18506] --- stopped by SIGSTOP ---
[pid 18503] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18506, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18503] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18507 attached
, child_tidptr=0x5555574e8650) = 18507
[pid 18507] set_robust_list(0x5555574e8660, 24) = 0
[pid 18507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18507] setpgid(0, 0)               = 0
[pid 18507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18507] write(3, "1000", 4)         = 4
[pid 18507] close(3)                    = 0
[pid 18507] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18507] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.517731][T18503] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18507] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18507] close(5)                    = 0
[pid 18507] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18510 attached
) = 18510
[pid 18507] tkill(18510, SIGSTOP)       = 0
[pid 18510] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18507, si_uid=65534} ---
[pid 18507] exit_group(0 <unfinished ...>
[pid 18510] --- stopped by SIGSTOP ---
[pid 18507] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18510, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18507] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18507, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18511 attached
, child_tidptr=0x5555574e8650) = 18511
[pid 18511] set_robust_list(0x5555574e8660, 24) = 0
[pid 18511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18511] setpgid(0, 0)               = 0
[pid 18511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18511] write(3, "1000", 4)         = 4
[  248.582492][T18507] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18511] close(3)                    = 0
[pid 18511] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18511] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18511] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18511] close(5)                    = 0
[pid 18511] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18514 attached
) = 18514
[pid 18511] tkill(18514, SIGSTOP)       = 0
[pid 18514] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18511, si_uid=65534} ---
[pid 18511] exit_group(0 <unfinished ...>
[pid 18514] --- stopped by SIGSTOP ---
[pid 18511] <... exit_group resumed>)   = ?
[pid 18511] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18514, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18515 attached
, child_tidptr=0x5555574e8650) = 18515
[pid 18515] set_robust_list(0x5555574e8660, 24) = 0
[pid 18515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18515] setpgid(0, 0)               = 0
[pid 18515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18515] write(3, "1000", 4)         = 4
[pid 18515] close(3)                    = 0
[pid 18515] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18515] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.656494][T18511] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18515] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18515] close(5)                    = 0
[pid 18515] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18518 attached
) = 18518
[pid 18515] tkill(18518, SIGSTOP)       = 0
[pid 18518] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18515, si_uid=65534} ---
[pid 18515] exit_group(0 <unfinished ...>
[pid 18518] --- stopped by SIGSTOP ---
[pid 18515] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18518, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18515] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18515, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18519 attached
, child_tidptr=0x5555574e8650) = 18519
[pid 18519] set_robust_list(0x5555574e8660, 24) = 0
[pid 18519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18519] setpgid(0, 0)               = 0
[pid 18519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18519] write(3, "1000", 4)         = 4
[pid 18519] close(3)                    = 0
[  248.720844][T18515] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18519] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18519] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18519] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18519] close(5)                    = 0
[pid 18519] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18522 attached
) = 18522
[pid 18519] tkill(18522, SIGSTOP)       = 0
[pid 18522] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18519, si_uid=65534} ---
[pid 18519] exit_group(0 <unfinished ...>
[pid 18522] --- stopped by SIGSTOP ---
[pid 18519] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18522, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18519] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18519, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18523 attached
, child_tidptr=0x5555574e8650) = 18523
[pid 18523] set_robust_list(0x5555574e8660, 24) = 0
[pid 18523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18523] setpgid(0, 0)               = 0
[pid 18523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18523] write(3, "1000", 4)         = 4
[pid 18523] close(3)                    = 0
[pid 18523] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18523] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.789700][T18519] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18523] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18523] close(5)                    = 0
[pid 18523] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18526 attached
) = 18526
[pid 18523] tkill(18526, SIGSTOP)       = 0
[pid 18526] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18523, si_uid=65534} ---
[pid 18523] exit_group(0 <unfinished ...>
[pid 18526] --- stopped by SIGSTOP ---
[pid 18523] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18526, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18523] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18523, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18527 attached
, child_tidptr=0x5555574e8650) = 18527
[pid 18527] set_robust_list(0x5555574e8660, 24) = 0
[pid 18527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18527] setpgid(0, 0)               = 0
[pid 18527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  248.853882][T18523] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18527] write(3, "1000", 4)         = 4
[pid 18527] close(3)                    = 0
[pid 18527] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18527] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18527] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18527] close(5)                    = 0
[pid 18527] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18530 attached
) = 18530
[pid 18527] tkill(18530, SIGSTOP)       = 0
[pid 18530] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18527, si_uid=65534} ---
[pid 18527] exit_group(0 <unfinished ...>
[pid 18530] --- stopped by SIGSTOP ---
[pid 18527] <... exit_group resumed>)   = ?
[pid 18527] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18530, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18531 attached
, child_tidptr=0x5555574e8650) = 18531
[pid 18531] set_robust_list(0x5555574e8660, 24) = 0
[pid 18531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18531] setpgid(0, 0)               = 0
[pid 18531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18531] write(3, "1000", 4)         = 4
[pid 18531] close(3)                    = 0
[pid 18531] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18531] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  248.928974][T18527] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18531] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18531] close(5)                    = 0
[pid 18531] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18534 attached
) = 18534
[pid 18531] tkill(18534, SIGSTOP)       = 0
[pid 18534] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18531, si_uid=65534} ---
[pid 18531] exit_group(0 <unfinished ...>
[pid 18534] --- stopped by SIGSTOP ---
[pid 18531] <... exit_group resumed>)   = ?
[pid 18531] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18534, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18535 attached
, child_tidptr=0x5555574e8650) = 18535
[pid 18535] set_robust_list(0x5555574e8660, 24) = 0
[pid 18535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18535] setpgid(0, 0)               = 0
[pid 18535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18535] write(3, "1000", 4)         = 4
[pid 18535] close(3)                    = 0
[pid 18535] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  248.994007][T18531] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18535] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18535] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18535] close(5)                    = 0
[pid 18535] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18538 attached
) = 18538
[pid 18535] tkill(18538, SIGSTOP)       = 0
[pid 18538] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18535, si_uid=65534} ---
[pid 18535] exit_group(0 <unfinished ...>
[pid 18538] --- stopped by SIGSTOP ---
[pid 18535] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18538, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18535] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18535, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18539 attached
, child_tidptr=0x5555574e8650) = 18539
[pid 18539] set_robust_list(0x5555574e8660, 24) = 0
[pid 18539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18539] setpgid(0, 0)               = 0
[pid 18539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  249.061697][T18535] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18539] write(3, "1000", 4)         = 4
[pid 18539] close(3)                    = 0
[pid 18539] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18539] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18539] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18539] close(5)                    = 0
[pid 18539] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18542 attached
) = 18542
[pid 18539] tkill(18542, SIGSTOP)       = 0
[pid 18542] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18539, si_uid=65534} ---
[pid 18539] exit_group(0 <unfinished ...>
[pid 18542] --- stopped by SIGSTOP ---
[pid 18539] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18542, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18539] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18543 attached
, child_tidptr=0x5555574e8650) = 18543
[pid 18543] set_robust_list(0x5555574e8660, 24) = 0
[  249.138007][T18539] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18543] setpgid(0, 0)               = 0
[pid 18543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18543] write(3, "1000", 4)         = 4
[pid 18543] close(3)                    = 0
[pid 18543] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18543] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18543] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18543] close(5)                    = 0
[pid 18543] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18546 attached
) = 18546
[pid 18543] tkill(18546, SIGSTOP)       = 0
[pid 18546] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18543, si_uid=65534} ---
[pid 18546] --- stopped by SIGSTOP ---
[pid 18543] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18546, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18543] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18547 attached
, child_tidptr=0x5555574e8650) = 18547
[pid 18547] set_robust_list(0x5555574e8660, 24) = 0
[pid 18547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18547] setpgid(0, 0)               = 0
[pid 18547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18547] write(3, "1000", 4)         = 4
[pid 18547] close(3)                    = 0
[pid 18547] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18547] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.219570][T18543] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18547] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18547] close(5)                    = 0
[pid 18547] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18550 attached
) = 18550
[pid 18547] tkill(18550, SIGSTOP)       = 0
[pid 18550] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18547, si_uid=65534} ---
[pid 18547] exit_group(0 <unfinished ...>
[pid 18550] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18550, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18547] <... exit_group resumed>)   = ?
[pid 18547] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18547, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18551 attached
, child_tidptr=0x5555574e8650) = 18551
[pid 18551] set_robust_list(0x5555574e8660, 24) = 0
[pid 18551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18551] setpgid(0, 0)               = 0
[pid 18551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  249.283747][T18547] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18551] write(3, "1000", 4)         = 4
[pid 18551] close(3)                    = 0
[pid 18551] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18551] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18551] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18551] close(5)                    = 0
[pid 18551] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18554 attached
) = 18554
[pid 18551] tkill(18554, SIGSTOP)       = 0
[pid 18554] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18551, si_uid=65534} ---
[pid 18551] exit_group(0 <unfinished ...>
[pid 18554] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18554, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18551] <... exit_group resumed>)   = ?
[pid 18551] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18555 attached
, child_tidptr=0x5555574e8650) = 18555
[pid 18555] set_robust_list(0x5555574e8660, 24) = 0
[pid 18555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18555] setpgid(0, 0)               = 0
[pid 18555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18555] write(3, "1000", 4)         = 4
[pid 18555] close(3)                    = 0
[pid 18555] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18555] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.359333][T18551] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18555] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18555] close(5)                    = 0
[pid 18555] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18558 attached
) = 18558
[pid 18555] tkill(18558, SIGSTOP)       = 0
[pid 18558] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18555, si_uid=65534} ---
[pid 18555] exit_group(0 <unfinished ...>
[pid 18558] --- stopped by SIGSTOP ---
[pid 18555] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18558, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18555] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18555, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18559 attached
, child_tidptr=0x5555574e8650) = 18559
[pid 18559] set_robust_list(0x5555574e8660, 24) = 0
[pid 18559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18559] setpgid(0, 0)               = 0
[pid 18559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18559] write(3, "1000", 4)         = 4
[pid 18559] close(3)                    = 0
[pid 18559] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  249.423383][T18555] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18559] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18559] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18559] close(5)                    = 0
[pid 18559] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18562 attached
) = 18562
[pid 18559] tkill(18562, SIGSTOP)       = 0
[pid 18562] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18559, si_uid=65534} ---
[pid 18559] exit_group(0 <unfinished ...>
[pid 18562] --- stopped by SIGSTOP ---
[pid 18559] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18562, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18559] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18563 attached
, child_tidptr=0x5555574e8650) = 18563
[pid 18563] set_robust_list(0x5555574e8660, 24) = 0
[pid 18563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18563] setpgid(0, 0)               = 0
[pid 18563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18563] write(3, "1000", 4)         = 4
[  249.489511][T18559] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18563] close(3)                    = 0
[pid 18563] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18563] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18563] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18563] close(5)                    = 0
[pid 18563] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18566 attached
) = 18566
[pid 18563] tkill(18566, SIGSTOP)       = 0
[pid 18566] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18563, si_uid=65534} ---
[pid 18566] --- stopped by SIGSTOP ---
[pid 18563] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18566, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18563] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18563, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18567 attached
, child_tidptr=0x5555574e8650) = 18567
[pid 18567] set_robust_list(0x5555574e8660, 24) = 0
[pid 18567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18567] setpgid(0, 0)               = 0
[pid 18567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18567] write(3, "1000", 4)         = 4
[pid 18567] close(3)                    = 0
[  249.562896][T18563] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18567] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18567] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18567] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18567] close(5)                    = 0
[pid 18567] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18570 attached
) = 18570
[pid 18567] tkill(18570, SIGSTOP)       = 0
[pid 18570] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18567, si_uid=65534} ---
[pid 18567] exit_group(0 <unfinished ...>
[pid 18570] --- stopped by SIGSTOP ---
[pid 18567] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18570, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18567] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18567, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18571 attached
, child_tidptr=0x5555574e8650) = 18571
[pid 18571] set_robust_list(0x5555574e8660, 24) = 0
[pid 18571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18571] setpgid(0, 0)               = 0
[pid 18571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18571] write(3, "1000", 4)         = 4
[pid 18571] close(3)                    = 0
[pid 18571] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18571] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.632348][T18567] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18571] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18571] close(5)                    = 0
[pid 18571] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18574 attached
) = 18574
[pid 18571] tkill(18574, SIGSTOP)       = 0
[pid 18574] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18571, si_uid=65534} ---
[pid 18571] exit_group(0 <unfinished ...>
[pid 18574] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18574, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18571] <... exit_group resumed>)   = ?
[pid 18571] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18575 attached
, child_tidptr=0x5555574e8650) = 18575
[pid 18575] set_robust_list(0x5555574e8660, 24) = 0
[pid 18575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18575] setpgid(0, 0)               = 0
[pid 18575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18575] write(3, "1000", 4)         = 4
[pid 18575] close(3)                    = 0
[pid 18575] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  249.697145][T18571] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18575] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18575] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18575] close(5)                    = 0
[pid 18575] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18578 attached
) = 18578
[pid 18575] tkill(18578, SIGSTOP)       = 0
[pid 18578] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18575, si_uid=65534} ---
[pid 18575] exit_group(0 <unfinished ...>
[pid 18578] --- stopped by SIGSTOP ---
[pid 18575] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18578, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18575] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18575, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18579 attached
, child_tidptr=0x5555574e8650) = 18579
[pid 18579] set_robust_list(0x5555574e8660, 24) = 0
[pid 18579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18579] setpgid(0, 0)               = 0
[pid 18579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18579] write(3, "1000", 4)         = 4
[pid 18579] close(3)                    = 0
[pid 18579] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  249.763653][T18575] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18579] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18579] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18579] close(5)                    = 0
[pid 18579] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18582 attached
) = 18582
[pid 18579] tkill(18582, SIGSTOP)       = 0
[pid 18582] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18579, si_uid=65534} ---
[pid 18579] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18582, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18582] --- stopped by SIGSTOP ---
[pid 18579] <... exit_group resumed>)   = ?
[pid 18579] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18583 attached
, child_tidptr=0x5555574e8650) = 18583
[pid 18583] set_robust_list(0x5555574e8660, 24) = 0
[pid 18583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18583] setpgid(0, 0)               = 0
[pid 18583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18583] write(3, "1000", 4)         = 4
[pid 18583] close(3)                    = 0
[pid 18583] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18583] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.829655][T18579] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18583] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18583] close(5)                    = 0
[pid 18583] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18586 attached
) = 18586
[pid 18583] tkill(18586, SIGSTOP)       = 0
[pid 18586] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18583, si_uid=65534} ---
[pid 18583] exit_group(0 <unfinished ...>
[pid 18586] --- stopped by SIGSTOP ---
[pid 18583] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18586, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18583] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18587 attached
, child_tidptr=0x5555574e8650) = 18587
[pid 18587] set_robust_list(0x5555574e8660, 24) = 0
[pid 18587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18587] setpgid(0, 0)               = 0
[pid 18587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18587] write(3, "1000", 4)         = 4
[pid 18587] close(3)                    = 0
[pid 18587] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18587] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.888760][T18583] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18587] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18587] close(5)                    = 0
[pid 18587] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18590 attached
) = 18590
[pid 18587] tkill(18590, SIGSTOP)       = 0
[pid 18590] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18587, si_uid=65534} ---
[pid 18587] exit_group(0 <unfinished ...>
[pid 18590] --- stopped by SIGSTOP ---
[pid 18587] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18590, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18587] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18587, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18591 attached
, child_tidptr=0x5555574e8650) = 18591
[pid 18591] set_robust_list(0x5555574e8660, 24) = 0
[pid 18591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18591] setpgid(0, 0)               = 0
[pid 18591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18591] write(3, "1000", 4)         = 4
[pid 18591] close(3)                    = 0
[pid 18591] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18591] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  249.953632][T18587] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18591] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18591] close(5)                    = 0
[pid 18591] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18594 attached
) = 18594
[pid 18591] tkill(18594, SIGSTOP)       = 0
[pid 18594] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18591, si_uid=65534} ---
[pid 18591] exit_group(0 <unfinished ...>
[pid 18594] --- stopped by SIGSTOP ---
[pid 18591] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18594, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18591] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18595 attached
, child_tidptr=0x5555574e8650) = 18595
[pid 18595] set_robust_list(0x5555574e8660, 24) = 0
[pid 18595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18595] setpgid(0, 0)               = 0
[pid 18595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18595] write(3, "1000", 4)         = 4
[pid 18595] close(3)                    = 0
[pid 18595] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.017572][T18591] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18595] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18595] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18595] close(5)                    = 0
[pid 18595] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18598 attached
) = 18598
[pid 18595] tkill(18598, SIGSTOP)       = 0
[pid 18598] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18595, si_uid=65534} ---
[pid 18595] exit_group(0 <unfinished ...>
[pid 18598] --- stopped by SIGSTOP ---
[pid 18595] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18598, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18595] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18599 attached
, child_tidptr=0x5555574e8650) = 18599
[pid 18599] set_robust_list(0x5555574e8660, 24) = 0
[pid 18599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18599] setpgid(0, 0)               = 0
[pid 18599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18599] write(3, "1000", 4)         = 4
[pid 18599] close(3)                    = 0
[pid 18599] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.086073][T18595] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18599] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18599] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18599] close(5)                    = 0
[pid 18599] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18602 attached
) = 18602
[pid 18599] tkill(18602, SIGSTOP)       = 0
[pid 18602] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18599, si_uid=65534} ---
[pid 18599] exit_group(0 <unfinished ...>
[pid 18602] --- stopped by SIGSTOP ---
[pid 18599] <... exit_group resumed>)   = ?
[pid 18599] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18602, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18603 attached
, child_tidptr=0x5555574e8650) = 18603
[pid 18603] set_robust_list(0x5555574e8660, 24) = 0
[pid 18603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  250.153522][T18599] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18603] setpgid(0, 0)               = 0
[pid 18603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18603] write(3, "1000", 4)         = 4
[pid 18603] close(3)                    = 0
[pid 18603] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18603] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18603] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18603] close(5)                    = 0
[pid 18603] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18606 attached
) = 18606
[pid 18603] tkill(18606, SIGSTOP)       = 0
[pid 18606] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18603, si_uid=65534} ---
[pid 18603] exit_group(0 <unfinished ...>
[pid 18606] --- stopped by SIGSTOP ---
[pid 18603] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18606, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18603] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18607 attached
, child_tidptr=0x5555574e8650) = 18607
[pid 18607] set_robust_list(0x5555574e8660, 24) = 0
[pid 18607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18607] setpgid(0, 0)               = 0
[pid 18607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18607] write(3, "1000", 4)         = 4
[pid 18607] close(3)                    = 0
[pid 18607] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18607] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  250.241169][T18603] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18607] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18607] close(5)                    = 0
[pid 18607] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18610 attached
) = 18610
[pid 18607] tkill(18610, SIGSTOP)       = 0
[pid 18610] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18607, si_uid=65534} ---
[pid 18607] exit_group(0 <unfinished ...>
[pid 18610] --- stopped by SIGSTOP ---
[pid 18607] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18610, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18607] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18607, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18611 attached
, child_tidptr=0x5555574e8650) = 18611
[pid 18611] set_robust_list(0x5555574e8660, 24) = 0
[pid 18611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18611] setpgid(0, 0)               = 0
[pid 18611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18611] write(3, "1000", 4)         = 4
[pid 18611] close(3)                    = 0
[pid 18611] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.304769][T18607] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18611] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18611] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18611] close(5)                    = 0
[pid 18611] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18614 attached
) = 18614
[pid 18611] tkill(18614, SIGSTOP)       = 0
[pid 18614] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18611, si_uid=65534} ---
[pid 18611] exit_group(0 <unfinished ...>
[pid 18614] --- stopped by SIGSTOP ---
[pid 18611] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18614, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18611] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18611, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18615 attached
, child_tidptr=0x5555574e8650) = 18615
[pid 18615] set_robust_list(0x5555574e8660, 24) = 0
[pid 18615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18615] setpgid(0, 0)               = 0
[pid 18615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18615] write(3, "1000", 4)         = 4
[pid 18615] close(3)                    = 0
[pid 18615] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.371065][T18611] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18615] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18615] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18615] close(5)                    = 0
[pid 18615] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18618 attached
) = 18618
[pid 18615] tkill(18618, SIGSTOP)       = 0
[pid 18618] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18615, si_uid=65534} ---
[pid 18615] exit_group(0 <unfinished ...>
[pid 18618] --- stopped by SIGSTOP ---
[pid 18615] <... exit_group resumed>)   = ?
[pid 18615] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18618, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18619 attached
, child_tidptr=0x5555574e8650) = 18619
[pid 18619] set_robust_list(0x5555574e8660, 24) = 0
[pid 18619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18619] setpgid(0, 0)               = 0
[pid 18619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18619] write(3, "1000", 4)         = 4
[pid 18619] close(3)                    = 0
[pid 18619] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.437577][T18615] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18619] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18619] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18619] close(5)                    = 0
[pid 18619] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18622 attached
) = 18622
[pid 18619] tkill(18622, SIGSTOP)       = 0
[pid 18622] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18619, si_uid=65534} ---
[pid 18619] exit_group(0 <unfinished ...>
[pid 18622] --- stopped by SIGSTOP ---
[pid 18619] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18622, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18619] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18619, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18623 attached
, child_tidptr=0x5555574e8650) = 18623
[pid 18623] set_robust_list(0x5555574e8660, 24) = 0
[pid 18623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18623] setpgid(0, 0)               = 0
[  250.503515][T18619] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18623] write(3, "1000", 4)         = 4
[pid 18623] close(3)                    = 0
[pid 18623] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18623] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18623] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18623] close(5)                    = 0
[pid 18623] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18626 attached
) = 18626
[pid 18623] tkill(18626, SIGSTOP)       = 0
[pid 18626] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18623, si_uid=65534} ---
[pid 18623] exit_group(0 <unfinished ...>
[pid 18626] --- stopped by SIGSTOP ---
[pid 18623] <... exit_group resumed>)   = ?
[pid 18623] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18626, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18627 attached
, child_tidptr=0x5555574e8650) = 18627
[pid 18627] set_robust_list(0x5555574e8660, 24) = 0
[pid 18627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18627] setpgid(0, 0)               = 0
[pid 18627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18627] write(3, "1000", 4)         = 4
[pid 18627] close(3)                    = 0
[pid 18627] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.582678][T18623] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18627] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18627] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18627] close(5)                    = 0
[pid 18627] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18630 attached
) = 18630
[pid 18627] tkill(18630, SIGSTOP)       = 0
[pid 18630] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18627, si_uid=65534} ---
[pid 18627] exit_group(0 <unfinished ...>
[pid 18630] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18630, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18627] <... exit_group resumed>)   = ?
[pid 18627] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18631 attached
, child_tidptr=0x5555574e8650) = 18631
[pid 18631] set_robust_list(0x5555574e8660, 24) = 0
[pid 18631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18631] setpgid(0, 0)               = 0
[pid 18631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18631] write(3, "1000", 4)         = 4
[pid 18631] close(3)                    = 0
[pid 18631] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.649253][T18627] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18631] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18631] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18631] close(5)                    = 0
[pid 18631] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18634 attached
) = 18634
[pid 18631] tkill(18634, SIGSTOP)       = 0
[pid 18634] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18631, si_uid=65534} ---
[pid 18631] exit_group(0 <unfinished ...>
[pid 18634] --- stopped by SIGSTOP ---
[pid 18631] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18634, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18631] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18635 attached
, child_tidptr=0x5555574e8650) = 18635
[pid 18635] set_robust_list(0x5555574e8660, 24) = 0
[pid 18635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18635] setpgid(0, 0)               = 0
[pid 18635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18635] write(3, "1000", 4)         = 4
[pid 18635] close(3)                    = 0
[pid 18635] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18635] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  250.716373][T18631] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18635] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18635] close(5)                    = 0
[pid 18635] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18638 attached
) = 18638
[pid 18635] tkill(18638, SIGSTOP)       = 0
[pid 18638] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18635, si_uid=65534} ---
[pid 18635] exit_group(0 <unfinished ...>
[pid 18638] --- stopped by SIGSTOP ---
[pid 18635] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18638, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18635] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18635, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18639 attached
, child_tidptr=0x5555574e8650) = 18639
[pid 18639] set_robust_list(0x5555574e8660, 24) = 0
[pid 18639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18639] setpgid(0, 0)               = 0
[pid 18639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18639] write(3, "1000", 4)         = 4
[pid 18639] close(3)                    = 0
[pid 18639] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.781455][T18635] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18639] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18639] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18639] close(5)                    = 0
[pid 18639] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18642 attached
) = 18642
[pid 18639] tkill(18642, SIGSTOP)       = 0
[pid 18642] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18639, si_uid=65534} ---
[pid 18639] exit_group(0 <unfinished ...>
[pid 18642] --- stopped by SIGSTOP ---
[pid 18639] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18642, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18639] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18643 attached
, child_tidptr=0x5555574e8650) = 18643
[pid 18643] set_robust_list(0x5555574e8660, 24) = 0
[pid 18643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18643] setpgid(0, 0)               = 0
[pid 18643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18643] write(3, "1000", 4)         = 4
[pid 18643] close(3)                    = 0
[pid 18643] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.845508][T18639] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18643] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18643] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18643] close(5)                    = 0
[pid 18643] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18646 attached
) = 18646
[pid 18643] tkill(18646, SIGSTOP)       = 0
[pid 18646] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18643, si_uid=65534} ---
[pid 18643] exit_group(0 <unfinished ...>
[pid 18646] --- stopped by SIGSTOP ---
[pid 18643] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18646, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18643] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18643, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18647 attached
, child_tidptr=0x5555574e8650) = 18647
[pid 18647] set_robust_list(0x5555574e8660, 24) = 0
[pid 18647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18647] setpgid(0, 0)               = 0
[pid 18647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18647] write(3, "1000", 4)         = 4
[pid 18647] close(3)                    = 0
[pid 18647] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18647] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  250.912395][T18643] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18647] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18647] close(5)                    = 0
[pid 18647] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18650 attached
) = 18650
[pid 18647] tkill(18650, SIGSTOP)       = 0
[pid 18650] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18647, si_uid=65534} ---
[pid 18647] exit_group(0 <unfinished ...>
[pid 18650] --- stopped by SIGSTOP ---
[pid 18647] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18650, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18647] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18651 attached
, child_tidptr=0x5555574e8650) = 18651
[pid 18651] set_robust_list(0x5555574e8660, 24) = 0
[pid 18651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18651] setpgid(0, 0)               = 0
[pid 18651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18651] write(3, "1000", 4)         = 4
[pid 18651] close(3)                    = 0
[pid 18651] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  250.974600][T18647] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18651] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18651] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18651] close(5)                    = 0
[pid 18651] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18654 attached
) = 18654
[pid 18651] tkill(18654, SIGSTOP)       = 0
[pid 18654] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18651, si_uid=65534} ---
[pid 18654] --- stopped by SIGSTOP ---
[pid 18651] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18654, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18651] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18651, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18655 attached
, child_tidptr=0x5555574e8650) = 18655
[pid 18655] set_robust_list(0x5555574e8660, 24) = 0
[pid 18655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18655] setpgid(0, 0)               = 0
[pid 18655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18655] write(3, "1000", 4)         = 4
[pid 18655] close(3)                    = 0
[  251.043340][T18651] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18655] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18655] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18655] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18655] close(5)                    = 0
[pid 18655] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18658 attached
) = 18658
[pid 18655] tkill(18658, SIGSTOP)       = 0
[pid 18658] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18655, si_uid=65534} ---
[pid 18655] exit_group(0 <unfinished ...>
[pid 18658] --- stopped by SIGSTOP ---
[pid 18655] <... exit_group resumed>)   = ?
[pid 18655] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18658, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18659 attached
, child_tidptr=0x5555574e8650) = 18659
[pid 18659] set_robust_list(0x5555574e8660, 24) = 0
[pid 18659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18659] setpgid(0, 0)               = 0
[pid 18659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18659] write(3, "1000", 4)         = 4
[pid 18659] close(3)                    = 0
[  251.112060][T18655] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18659] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18659] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18659] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18659] close(5)                    = 0
[pid 18659] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18662 attached
) = 18662
[pid 18659] tkill(18662, SIGSTOP)       = 0
[pid 18662] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18659, si_uid=65534} ---
[pid 18659] exit_group(0 <unfinished ...>
[pid 18662] --- stopped by SIGSTOP ---
[pid 18659] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18662, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18659] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18659, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18663 attached
, child_tidptr=0x5555574e8650) = 18663
[pid 18663] set_robust_list(0x5555574e8660, 24) = 0
[pid 18663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18663] setpgid(0, 0)               = 0
[pid 18663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18663] write(3, "1000", 4)         = 4
[pid 18663] close(3)                    = 0
[pid 18663] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18663] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  251.181045][T18659] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18663] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18663] close(5)                    = 0
[pid 18663] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18666 attached
) = 18666
[pid 18663] tkill(18666, SIGSTOP)       = 0
[pid 18666] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18663, si_uid=65534} ---
[pid 18663] exit_group(0 <unfinished ...>
[pid 18666] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18666, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18663] <... exit_group resumed>)   = ?
[pid 18663] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18667 attached
, child_tidptr=0x5555574e8650) = 18667
[pid 18667] set_robust_list(0x5555574e8660, 24) = 0
[pid 18667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18667] setpgid(0, 0)               = 0
[pid 18667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18667] write(3, "1000", 4)         = 4
[pid 18667] close(3)                    = 0
[  251.244940][T18663] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18667] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18667] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18667] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18667] close(5)                    = 0
[pid 18667] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18670 attached
) = 18670
[pid 18667] tkill(18670, SIGSTOP)       = 0
[pid 18670] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18667, si_uid=65534} ---
[pid 18667] exit_group(0 <unfinished ...>
[pid 18670] --- stopped by SIGSTOP ---
[pid 18667] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18670, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18667] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18667, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18671 attached
, child_tidptr=0x5555574e8650) = 18671
[pid 18671] set_robust_list(0x5555574e8660, 24) = 0
[pid 18671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18671] setpgid(0, 0)               = 0
[  251.315585][T18667] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18671] write(3, "1000", 4)         = 4
[pid 18671] close(3)                    = 0
[pid 18671] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18671] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18671] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18671] close(5)                    = 0
[pid 18671] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18674 attached
) = 18674
[pid 18671] tkill(18674, SIGSTOP)       = 0
[pid 18674] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18671, si_uid=65534} ---
[pid 18671] exit_group(0 <unfinished ...>
[pid 18674] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18674, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18671] <... exit_group resumed>)   = ?
[pid 18671] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18671, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18675 attached
, child_tidptr=0x5555574e8650) = 18675
[pid 18675] set_robust_list(0x5555574e8660, 24) = 0
[pid 18675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18675] setpgid(0, 0)               = 0
[pid 18675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18675] write(3, "1000", 4)         = 4
[pid 18675] close(3)                    = 0
[  251.393686][T18671] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18675] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18675] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18675] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18675] close(5)                    = 0
[pid 18675] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18678 attached
) = 18678
[pid 18675] tkill(18678, SIGSTOP)       = 0
[pid 18678] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18675, si_uid=65534} ---
[pid 18675] exit_group(0 <unfinished ...>
[pid 18678] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18678, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18675] <... exit_group resumed>)   = ?
[pid 18675] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18675, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18679 attached
, child_tidptr=0x5555574e8650) = 18679
[pid 18679] set_robust_list(0x5555574e8660, 24) = 0
[pid 18679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18679] setpgid(0, 0)               = 0
[pid 18679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18679] write(3, "1000", 4)         = 4
[pid 18679] close(3)                    = 0
[pid 18679] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  251.463630][T18675] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18679] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18679] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18679] close(5)                    = 0
[pid 18679] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18682 attached
) = 18682
[pid 18679] tkill(18682, SIGSTOP)       = 0
[pid 18682] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18679, si_uid=65534} ---
[pid 18679] exit_group(0 <unfinished ...>
[pid 18682] --- stopped by SIGSTOP ---
[pid 18679] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18682, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18679] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18679, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18683 attached
, child_tidptr=0x5555574e8650) = 18683
[pid 18683] set_robust_list(0x5555574e8660, 24) = 0
[pid 18683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18683] setpgid(0, 0)               = 0
[pid 18683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18683] write(3, "1000", 4)         = 4
[pid 18683] close(3)                    = 0
[pid 18683] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  251.531529][T18679] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18683] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18683] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18683] close(5)                    = 0
[pid 18683] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18686 attached
) = 18686
[pid 18683] tkill(18686, SIGSTOP)       = 0
[pid 18686] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18683, si_uid=65534} ---
[pid 18683] exit_group(0 <unfinished ...>
[pid 18686] --- stopped by SIGSTOP ---
[pid 18683] <... exit_group resumed>)   = ?
[pid 18683] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18686, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18687 attached
, child_tidptr=0x5555574e8650) = 18687
[pid 18687] set_robust_list(0x5555574e8660, 24) = 0
[pid 18687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18687] setpgid(0, 0)               = 0
[pid 18687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18687] write(3, "1000", 4)         = 4
[pid 18687] close(3)                    = 0
[pid 18687] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  251.597640][T18683] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18687] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18687] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18687] close(5)                    = 0
[pid 18687] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18690 attached
) = 18690
[pid 18687] tkill(18690, SIGSTOP)       = 0
[pid 18690] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18687, si_uid=65534} ---
[pid 18687] exit_group(0 <unfinished ...>
[pid 18690] --- stopped by SIGSTOP ---
[pid 18687] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18690, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18687] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18691 attached
, child_tidptr=0x5555574e8650) = 18691
[pid 18691] set_robust_list(0x5555574e8660, 24) = 0
[pid 18691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18691] setpgid(0, 0)               = 0
[pid 18691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  251.665484][T18687] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18691] write(3, "1000", 4)         = 4
[pid 18691] close(3)                    = 0
[pid 18691] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18691] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18691] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18691] close(5)                    = 0
[pid 18691] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18694 attached
) = 18694
[pid 18691] tkill(18694, SIGSTOP)       = 0
[pid 18694] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18691, si_uid=65534} ---
[pid 18691] exit_group(0 <unfinished ...>
[pid 18694] --- stopped by SIGSTOP ---
[pid 18691] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18694, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18691] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18691, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18695 attached
, child_tidptr=0x5555574e8650) = 18695
[pid 18695] set_robust_list(0x5555574e8660, 24) = 0
[pid 18695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18695] setpgid(0, 0)               = 0
[pid 18695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18695] write(3, "1000", 4)         = 4
[pid 18695] close(3)                    = 0
[pid 18695] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  251.740535][T18691] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18695] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18695] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18695] close(5)                    = 0
[pid 18695] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18698 attached
) = 18698
[pid 18695] tkill(18698, SIGSTOP)       = 0
[pid 18698] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18695, si_uid=65534} ---
[pid 18695] exit_group(0 <unfinished ...>
[pid 18698] --- stopped by SIGSTOP ---
[pid 18695] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18698, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18695] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18695, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18699 attached
, child_tidptr=0x5555574e8650) = 18699
[pid 18699] set_robust_list(0x5555574e8660, 24) = 0
[pid 18699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18699] setpgid(0, 0)               = 0
[pid 18699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18699] write(3, "1000", 4)         = 4
[  251.805542][T18695] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18699] close(3)                    = 0
[pid 18699] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18699] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18699] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18699] close(5)                    = 0
[pid 18699] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18702 attached
) = 18702
[pid 18699] tkill(18702, SIGSTOP)       = 0
[pid 18702] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18699, si_uid=65534} ---
[pid 18702] --- stopped by SIGSTOP ---
[pid 18699] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18702, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18699] <... exit_group resumed>)   = ?
[pid 18699] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18699, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18703 attached
, child_tidptr=0x5555574e8650) = 18703
[pid 18703] set_robust_list(0x5555574e8660, 24) = 0
[pid 18703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18703] setpgid(0, 0)               = 0
[pid 18703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18703] write(3, "1000", 4)         = 4
[pid 18703] close(3)                    = 0
[pid 18703] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  251.873412][T18699] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18703] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18703] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18703] close(5)                    = 0
[pid 18703] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18706 attached
) = 18706
[pid 18703] tkill(18706, SIGSTOP)       = 0
[pid 18706] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18703, si_uid=65534} ---
[pid 18703] exit_group(0 <unfinished ...>
[pid 18706] --- stopped by SIGSTOP ---
[pid 18703] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18706, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18703] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18703, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18707 attached
, child_tidptr=0x5555574e8650) = 18707
[pid 18707] set_robust_list(0x5555574e8660, 24) = 0
[pid 18707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18707] setpgid(0, 0)               = 0
[pid 18707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18707] write(3, "1000", 4)         = 4
[  251.940481][T18703] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18707] close(3)                    = 0
[pid 18707] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18707] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18707] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18707] close(5)                    = 0
[pid 18707] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18710 attached
) = 18710
[pid 18707] tkill(18710, SIGSTOP)       = 0
[pid 18710] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18707, si_uid=65534} ---
[pid 18707] exit_group(0 <unfinished ...>
[pid 18710] --- stopped by SIGSTOP ---
[pid 18707] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18710, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18707] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18707, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18711 attached
, child_tidptr=0x5555574e8650) = 18711
[pid 18711] set_robust_list(0x5555574e8660, 24) = 0
[pid 18711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18711] setpgid(0, 0)               = 0
[pid 18711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18711] write(3, "1000", 4)         = 4
[pid 18711] close(3)                    = 0
[pid 18711] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18711] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  252.014592][T18707] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18711] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18711] close(5)                    = 0
[pid 18711] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18714 attached
) = 18714
[pid 18711] tkill(18714, SIGSTOP)       = 0
[pid 18714] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18711, si_uid=65534} ---
[pid 18711] exit_group(0 <unfinished ...>
[pid 18714] --- stopped by SIGSTOP ---
[pid 18711] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18714, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18711] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18715 attached
, child_tidptr=0x5555574e8650) = 18715
[pid 18715] set_robust_list(0x5555574e8660, 24) = 0
[pid 18715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18715] setpgid(0, 0)               = 0
[pid 18715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  252.076278][T18711] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18715] write(3, "1000", 4)         = 4
[pid 18715] close(3)                    = 0
[pid 18715] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18715] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18715] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18715] close(5)                    = 0
[pid 18715] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18718 attached
) = 18718
[pid 18715] tkill(18718, SIGSTOP)       = 0
[pid 18718] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18715, si_uid=65534} ---
[pid 18715] exit_group(0 <unfinished ...>
[pid 18718] --- stopped by SIGSTOP ---
[pid 18715] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18718, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18715] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18715, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18719 attached
, child_tidptr=0x5555574e8650) = 18719
[pid 18719] set_robust_list(0x5555574e8660, 24) = 0
[pid 18719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18719] setpgid(0, 0)               = 0
[pid 18719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18719] write(3, "1000", 4)         = 4
[pid 18719] close(3)                    = 0
[  252.152591][T18715] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18719] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18719] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18719] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18719] close(5)                    = 0
[pid 18719] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18722 attached
) = 18722
[pid 18719] tkill(18722, SIGSTOP)       = 0
[pid 18722] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18719, si_uid=65534} ---
[pid 18719] exit_group(0 <unfinished ...>
[pid 18722] --- stopped by SIGSTOP ---
[pid 18719] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18722, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18719] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18719, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18723 attached
, child_tidptr=0x5555574e8650) = 18723
[pid 18723] set_robust_list(0x5555574e8660, 24) = 0
[pid 18723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18723] setpgid(0, 0)               = 0
[pid 18723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18723] write(3, "1000", 4)         = 4
[pid 18723] close(3)                    = 0
[pid 18723] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18723] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  252.220649][T18719] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18723] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18723] close(5)                    = 0
[pid 18723] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18726 attached
) = 18726
[pid 18723] tkill(18726, SIGSTOP)       = 0
[pid 18726] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18723, si_uid=65534} ---
[pid 18723] exit_group(0 <unfinished ...>
[pid 18726] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18726, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18723] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18723] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18727 attached
, child_tidptr=0x5555574e8650) = 18727
[pid 18727] set_robust_list(0x5555574e8660, 24) = 0
[pid 18727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18727] setpgid(0, 0)               = 0
[pid 18727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18727] write(3, "1000", 4)         = 4
[pid 18727] close(3)                    = 0
[pid 18727] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.284923][T18723] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18727] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18727] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18727] close(5)                    = 0
[pid 18727] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18730 attached
) = 18730
[pid 18727] tkill(18730, SIGSTOP)       = 0
[pid 18730] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18727, si_uid=65534} ---
[pid 18727] exit_group(0 <unfinished ...>
[pid 18730] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18730, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18727] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18727] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18731 attached
, child_tidptr=0x5555574e8650) = 18731
[pid 18731] set_robust_list(0x5555574e8660, 24) = 0
[pid 18731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18731] setpgid(0, 0)               = 0
[pid 18731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18731] write(3, "1000", 4)         = 4
[pid 18731] close(3)                    = 0
[pid 18731] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18731] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  252.350563][T18727] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18731] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18731] close(5)                    = 0
[pid 18731] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18734 attached
) = 18734
[pid 18731] tkill(18734, SIGSTOP)       = 0
[pid 18734] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18731, si_uid=65534} ---
[pid 18731] exit_group(0 <unfinished ...>
[pid 18734] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18734, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18731] <... exit_group resumed>)   = ?
[pid 18731] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18731, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18735 attached
, child_tidptr=0x5555574e8650) = 18735
[pid 18735] set_robust_list(0x5555574e8660, 24) = 0
[pid 18735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18735] setpgid(0, 0)               = 0
[pid 18735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18735] write(3, "1000", 4)         = 4
[  252.413565][T18731] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18735] close(3)                    = 0
[pid 18735] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18735] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18735] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18735] close(5)                    = 0
[pid 18735] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18738 attached
) = 18738
[pid 18735] tkill(18738, SIGSTOP)       = 0
[pid 18738] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18735, si_uid=65534} ---
[pid 18735] exit_group(0 <unfinished ...>
[pid 18738] --- stopped by SIGSTOP ---
[pid 18735] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18738, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18735] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18739 attached
, child_tidptr=0x5555574e8650) = 18739
[pid 18739] set_robust_list(0x5555574e8660, 24) = 0
[pid 18739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18739] setpgid(0, 0)               = 0
[pid 18739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18739] write(3, "1000", 4)         = 4
[pid 18739] close(3)                    = 0
[pid 18739] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18739] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  252.485162][T18735] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18739] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18739] close(5)                    = 0
[pid 18739] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18742 attached
) = 18742
[pid 18739] tkill(18742, SIGSTOP)       = 0
[pid 18742] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18739, si_uid=65534} ---
[pid 18739] exit_group(0 <unfinished ...>
[pid 18742] --- stopped by SIGSTOP ---
[pid 18739] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18742, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18739] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18743 attached
, child_tidptr=0x5555574e8650) = 18743
[pid 18743] set_robust_list(0x5555574e8660, 24) = 0
[pid 18743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18743] setpgid(0, 0)               = 0
[pid 18743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18743] write(3, "1000", 4)         = 4
[pid 18743] close(3)                    = 0
[pid 18743] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.547299][T18739] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18743] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18743] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18743] close(5)                    = 0
[pid 18743] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18746 attached
) = 18746
[pid 18743] tkill(18746, SIGSTOP)       = 0
[pid 18746] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18743, si_uid=65534} ---
[pid 18743] exit_group(0 <unfinished ...>
[pid 18746] --- stopped by SIGSTOP ---
[pid 18743] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18746, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18743] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18743, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18747 attached
, child_tidptr=0x5555574e8650) = 18747
[pid 18747] set_robust_list(0x5555574e8660, 24) = 0
[pid 18747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18747] setpgid(0, 0)               = 0
[pid 18747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18747] write(3, "1000", 4)         = 4
[  252.612365][T18743] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18747] close(3)                    = 0
[pid 18747] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18747] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18747] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18747] close(5)                    = 0
[pid 18747] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18750 attached
) = 18750
[pid 18747] tkill(18750, SIGSTOP)       = 0
[pid 18750] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18747, si_uid=65534} ---
[pid 18747] exit_group(0 <unfinished ...>
[pid 18750] --- stopped by SIGSTOP ---
[pid 18747] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18750, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18747] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18751 attached
, child_tidptr=0x5555574e8650) = 18751
[pid 18751] set_robust_list(0x5555574e8660, 24) = 0
[pid 18751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18751] setpgid(0, 0)               = 0
[pid 18751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18751] write(3, "1000", 4)         = 4
[pid 18751] close(3)                    = 0
[pid 18751] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.686657][T18747] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18751] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18751] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18751] close(5)                    = 0
[pid 18751] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18754 attached
) = 18754
[pid 18751] tkill(18754, SIGSTOP)       = 0
[pid 18754] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18751, si_uid=65534} ---
[pid 18751] exit_group(0 <unfinished ...>
[pid 18754] --- stopped by SIGSTOP ---
[pid 18751] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18754, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18751] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18751, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18755 attached
, child_tidptr=0x5555574e8650) = 18755
[pid 18755] set_robust_list(0x5555574e8660, 24) = 0
[pid 18755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18755] setpgid(0, 0)               = 0
[pid 18755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18755] write(3, "1000", 4)         = 4
[pid 18755] close(3)                    = 0
[  252.753885][T18751] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18755] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18755] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18755] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18755] close(5)                    = 0
[pid 18755] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18758 attached
) = 18758
[pid 18755] tkill(18758, SIGSTOP)       = 0
[pid 18758] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18755, si_uid=65534} ---
[pid 18755] exit_group(0 <unfinished ...>
[pid 18758] --- stopped by SIGSTOP ---
[pid 18755] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18758, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18755] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18759 attached
, child_tidptr=0x5555574e8650) = 18759
[pid 18759] set_robust_list(0x5555574e8660, 24) = 0
[pid 18759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18759] setpgid(0, 0)               = 0
[pid 18759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18759] write(3, "1000", 4)         = 4
[pid 18759] close(3)                    = 0
[pid 18759] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.824965][T18755] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18759] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18759] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18759] close(5)                    = 0
[pid 18759] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18762 attached
) = 18762
[pid 18759] tkill(18762, SIGSTOP)       = 0
[pid 18762] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18759, si_uid=65534} ---
[pid 18759] exit_group(0 <unfinished ...>
[pid 18762] --- stopped by SIGSTOP ---
[pid 18759] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18762, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18759] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18759, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18763 attached
, child_tidptr=0x5555574e8650) = 18763
[pid 18763] set_robust_list(0x5555574e8660, 24) = 0
[pid 18763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18763] setpgid(0, 0)               = 0
[pid 18763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18763] write(3, "1000", 4)         = 4
[pid 18763] close(3)                    = 0
[pid 18763] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.891075][T18759] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18763] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18763] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18763] close(5)                    = 0
[pid 18763] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18766 attached
) = 18766
[pid 18763] tkill(18766, SIGSTOP)       = 0
[pid 18766] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18763, si_uid=65534} ---
[pid 18763] exit_group(0 <unfinished ...>
[pid 18766] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18766, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18763] <... exit_group resumed>)   = ?
[pid 18763] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18767 attached
, child_tidptr=0x5555574e8650) = 18767
[pid 18767] set_robust_list(0x5555574e8660, 24) = 0
[pid 18767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18767] setpgid(0, 0)               = 0
[pid 18767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18767] write(3, "1000", 4)         = 4
[pid 18767] close(3)                    = 0
[pid 18767] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  252.956683][T18763] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18767] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18767] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18767] close(5)                    = 0
[pid 18767] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18770 attached
) = 18770
[pid 18767] tkill(18770, SIGSTOP)       = 0
[pid 18770] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18767, si_uid=65534} ---
[pid 18767] exit_group(0 <unfinished ...>
[pid 18770] --- stopped by SIGSTOP ---
[pid 18767] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18770, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18767] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18767, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18771 attached
, child_tidptr=0x5555574e8650) = 18771
[pid 18771] set_robust_list(0x5555574e8660, 24) = 0
[pid 18771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18771] setpgid(0, 0)               = 0
[pid 18771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18771] write(3, "1000", 4)         = 4
[pid 18771] close(3)                    = 0
[pid 18771] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18771] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  253.021709][T18767] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18771] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18771] close(5)                    = 0
[pid 18771] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18774 attached
) = 18774
[pid 18771] tkill(18774, SIGSTOP)       = 0
[pid 18774] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18771, si_uid=65534} ---
[pid 18771] exit_group(0 <unfinished ...>
[pid 18774] --- stopped by SIGSTOP ---
[pid 18771] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18774, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18771] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18775 attached
, child_tidptr=0x5555574e8650) = 18775
[pid 18775] set_robust_list(0x5555574e8660, 24) = 0
[pid 18775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18775] setpgid(0, 0)               = 0
[pid 18775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18775] write(3, "1000", 4)         = 4
[pid 18775] close(3)                    = 0
[  253.086160][T18771] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18775] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18775] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18775] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18775] close(5)                    = 0
[pid 18775] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18778 attached
) = 18778
[pid 18775] tkill(18778, SIGSTOP)       = 0
[pid 18778] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18775, si_uid=65534} ---
[pid 18775] exit_group(0 <unfinished ...>
[pid 18778] --- stopped by SIGSTOP ---
[pid 18775] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18778, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18775] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18775, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18779 attached
, child_tidptr=0x5555574e8650) = 18779
[pid 18779] set_robust_list(0x5555574e8660, 24) = 0
[pid 18779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18779] setpgid(0, 0)               = 0
[pid 18779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18779] write(3, "1000", 4)         = 4
[pid 18779] close(3)                    = 0
[pid 18779] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.154294][T18775] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18779] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18779] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18779] close(5)                    = 0
[pid 18779] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18782 attached
) = 18782
[pid 18779] tkill(18782, SIGSTOP)       = 0
[pid 18782] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18779, si_uid=65534} ---
[pid 18779] exit_group(0 <unfinished ...>
[pid 18782] --- stopped by SIGSTOP ---
[pid 18779] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18782, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18779] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18779, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18783 attached
, child_tidptr=0x5555574e8650) = 18783
[pid 18783] set_robust_list(0x5555574e8660, 24) = 0
[pid 18783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18783] setpgid(0, 0)               = 0
[pid 18783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18783] write(3, "1000", 4)         = 4
[pid 18783] close(3)                    = 0
[pid 18783] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18783] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  253.221789][T18779] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18783] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18783] close(5)                    = 0
[pid 18783] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18786 attached
) = 18786
[pid 18783] tkill(18786, SIGSTOP)       = 0
[pid 18786] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18783, si_uid=65534} ---
[pid 18783] exit_group(0 <unfinished ...>
[pid 18786] --- stopped by SIGSTOP ---
[pid 18783] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18786, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18783] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18787 attached
, child_tidptr=0x5555574e8650) = 18787
[pid 18787] set_robust_list(0x5555574e8660, 24) = 0
[pid 18787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18787] setpgid(0, 0)               = 0
[pid 18787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18787] write(3, "1000", 4)         = 4
[pid 18787] close(3)                    = 0
[  253.286095][T18783] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18787] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18787] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18787] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18787] close(5)                    = 0
[pid 18787] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18790 attached
) = 18790
[pid 18787] tkill(18790, SIGSTOP)       = 0
[pid 18790] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18787, si_uid=65534} ---
[pid 18787] exit_group(0 <unfinished ...>
[pid 18790] --- stopped by SIGSTOP ---
[pid 18787] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18790, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18787] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18791 attached
, child_tidptr=0x5555574e8650) = 18791
[pid 18791] set_robust_list(0x5555574e8660, 24) = 0
[pid 18791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18791] setpgid(0, 0)               = 0
[pid 18791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18791] write(3, "1000", 4)         = 4
[pid 18791] close(3)                    = 0
[pid 18791] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.354608][T18787] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18791] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18791] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18791] close(5)                    = 0
[pid 18791] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18794 attached
) = 18794
[pid 18791] tkill(18794, SIGSTOP)       = 0
[pid 18794] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18791, si_uid=65534} ---
[pid 18791] exit_group(0 <unfinished ...>
[pid 18794] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18794, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18791] <... exit_group resumed>)   = ?
[pid 18791] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18795 attached
, child_tidptr=0x5555574e8650) = 18795
[pid 18795] set_robust_list(0x5555574e8660, 24) = 0
[pid 18795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18795] setpgid(0, 0)               = 0
[pid 18795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18795] write(3, "1000", 4)         = 4
[pid 18795] close(3)                    = 0
[  253.419842][T18791] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18795] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18795] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18795] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18795] close(5)                    = 0
[pid 18795] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18798 attached
) = 18798
[pid 18795] tkill(18798, SIGSTOP)       = 0
[pid 18798] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18795, si_uid=65534} ---
[pid 18795] exit_group(0 <unfinished ...>
[pid 18798] --- stopped by SIGSTOP ---
[pid 18795] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18798, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18795] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18799 attached
, child_tidptr=0x5555574e8650) = 18799
[pid 18799] set_robust_list(0x5555574e8660, 24) = 0
[pid 18799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18799] setpgid(0, 0)               = 0
[  253.488630][T18795] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18799] write(3, "1000", 4)         = 4
[pid 18799] close(3)                    = 0
[pid 18799] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18799] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18799] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18799] close(5)                    = 0
[pid 18799] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18802 attached
) = 18802
[pid 18799] tkill(18802, SIGSTOP)       = 0
[pid 18802] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18799, si_uid=65534} ---
[pid 18799] exit_group(0 <unfinished ...>
[pid 18802] --- stopped by SIGSTOP ---
[pid 18799] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18802, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18799] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18799, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18803 attached
, child_tidptr=0x5555574e8650) = 18803
[pid 18803] set_robust_list(0x5555574e8660, 24) = 0
[pid 18803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18803] setpgid(0, 0)               = 0
[pid 18803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18803] write(3, "1000", 4)         = 4
[pid 18803] close(3)                    = 0
[pid 18803] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.565530][T18799] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18803] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18803] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18803] close(5)                    = 0
[pid 18803] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18806 attached
) = 18806
[pid 18803] tkill(18806, SIGSTOP)       = 0
[pid 18806] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18803, si_uid=65534} ---
[pid 18803] exit_group(0 <unfinished ...>
[pid 18806] --- stopped by SIGSTOP ---
[pid 18803] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18806, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18803] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18803, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18807 attached
, child_tidptr=0x5555574e8650) = 18807
[pid 18807] set_robust_list(0x5555574e8660, 24) = 0
[pid 18807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18807] setpgid(0, 0)               = 0
[pid 18807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18807] write(3, "1000", 4)         = 4
[pid 18807] close(3)                    = 0
[pid 18807] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.631483][T18803] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18807] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18807] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18807] close(5)                    = 0
[pid 18807] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18810 attached
) = 18810
[pid 18807] tkill(18810, SIGSTOP)       = 0
[pid 18810] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18807, si_uid=65534} ---
[pid 18807] exit_group(0 <unfinished ...>
[pid 18810] --- stopped by SIGSTOP ---
[pid 18807] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18810, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18807] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18811 attached
, child_tidptr=0x5555574e8650) = 18811
[pid 18811] set_robust_list(0x5555574e8660, 24) = 0
[pid 18811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18811] setpgid(0, 0)               = 0
[pid 18811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18811] write(3, "1000", 4)         = 4
[pid 18811] close(3)                    = 0
[pid 18811] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.698899][T18807] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18811] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18811] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18811] close(5)                    = 0
[pid 18811] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18814 attached
) = 18814
[pid 18811] tkill(18814, SIGSTOP)       = 0
[pid 18814] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18811, si_uid=65534} ---
[pid 18811] exit_group(0 <unfinished ...>
[pid 18814] --- stopped by SIGSTOP ---
[pid 18811] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18814, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18811] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18815 attached
, child_tidptr=0x5555574e8650) = 18815
[pid 18815] set_robust_list(0x5555574e8660, 24) = 0
[pid 18815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18815] setpgid(0, 0)               = 0
[pid 18815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18815] write(3, "1000", 4)         = 4
[  253.765187][T18811] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18815] close(3)                    = 0
[pid 18815] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18815] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18815] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18815] close(5)                    = 0
[pid 18815] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18818 attached
) = 18818
[pid 18815] tkill(18818, SIGSTOP)       = 0
[pid 18818] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18815, si_uid=65534} ---
[pid 18815] exit_group(0 <unfinished ...>
[pid 18818] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18818, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18815] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18815] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18819 attached
, child_tidptr=0x5555574e8650) = 18819
[pid 18819] set_robust_list(0x5555574e8660, 24) = 0
[pid 18819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18819] setpgid(0, 0)               = 0
[pid 18819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18819] write(3, "1000", 4)         = 4
[pid 18819] close(3)                    = 0
[pid 18819] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18819] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  253.837247][T18815] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18819] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18819] close(5)                    = 0
[pid 18819] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18822 attached
) = 18822
[pid 18819] tkill(18822, SIGSTOP)       = 0
[pid 18822] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18819, si_uid=65534} ---
[pid 18819] exit_group(0 <unfinished ...>
[pid 18822] --- stopped by SIGSTOP ---
[pid 18819] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18822, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18819] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18823 attached
, child_tidptr=0x5555574e8650) = 18823
[pid 18823] set_robust_list(0x5555574e8660, 24) = 0
[pid 18823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18823] setpgid(0, 0)               = 0
[pid 18823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18823] write(3, "1000", 4)         = 4
[pid 18823] close(3)                    = 0
[pid 18823] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  253.898940][T18819] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18823] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18823] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18823] close(5)                    = 0
[pid 18823] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18826 attached
) = 18826
[pid 18823] tkill(18826, SIGSTOP)       = 0
[pid 18826] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18823, si_uid=65534} ---
[pid 18823] exit_group(0 <unfinished ...>
[pid 18826] --- stopped by SIGSTOP ---
[pid 18823] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18826, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18823] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18823, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18827 attached
, child_tidptr=0x5555574e8650) = 18827
[pid 18827] set_robust_list(0x5555574e8660, 24) = 0
[pid 18827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18827] setpgid(0, 0)               = 0
[pid 18827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18827] write(3, "1000", 4)         = 4
[pid 18827] close(3)                    = 0
[  253.964040][T18823] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18827] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18827] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18827] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18827] close(5)                    = 0
[pid 18827] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18830 attached
) = 18830
[pid 18827] tkill(18830, SIGSTOP)       = 0
[pid 18830] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18827, si_uid=65534} ---
[pid 18827] exit_group(0 <unfinished ...>
[pid 18830] --- stopped by SIGSTOP ---
[pid 18827] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18830, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18827] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18827, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18831 attached
, child_tidptr=0x5555574e8650) = 18831
[pid 18831] set_robust_list(0x5555574e8660, 24) = 0
[pid 18831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18831] setpgid(0, 0)               = 0
[pid 18831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18831] write(3, "1000", 4)         = 4
[pid 18831] close(3)                    = 0
[pid 18831] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18831] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  254.034024][T18827] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18831] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18831] close(5)                    = 0
[pid 18831] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18834 attached
) = 18834
[pid 18831] tkill(18834, SIGSTOP)       = 0
[pid 18834] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18831, si_uid=65534} ---
[pid 18831] exit_group(0 <unfinished ...>
[pid 18834] --- stopped by SIGSTOP ---
[pid 18831] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18834, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18831] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18835 attached
, child_tidptr=0x5555574e8650) = 18835
[pid 18835] set_robust_list(0x5555574e8660, 24) = 0
[pid 18835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18835] setpgid(0, 0)               = 0
[pid 18835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18835] write(3, "1000", 4)         = 4
[pid 18835] close(3)                    = 0
[  254.096812][T18831] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18835] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18835] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18835] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18835] close(5)                    = 0
[pid 18835] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18838 attached
) = 18838
[pid 18835] tkill(18838, SIGSTOP)       = 0
[pid 18838] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18835, si_uid=65534} ---
[pid 18835] exit_group(0 <unfinished ...>
[pid 18838] --- stopped by SIGSTOP ---
[pid 18835] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18838, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18835] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18839 attached
, child_tidptr=0x5555574e8650) = 18839
[pid 18839] set_robust_list(0x5555574e8660, 24) = 0
[pid 18839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18839] setpgid(0, 0)               = 0
[pid 18839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18839] write(3, "1000", 4)         = 4
[pid 18839] close(3)                    = 0
[  254.165724][T18835] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18839] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18839] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18839] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18839] close(5)                    = 0
[pid 18839] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18842 attached
) = 18842
[pid 18839] tkill(18842, SIGSTOP)       = 0
[pid 18842] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18839, si_uid=65534} ---
[pid 18839] exit_group(0 <unfinished ...>
[pid 18842] --- stopped by SIGSTOP ---
[pid 18839] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18842, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18839] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18843 attached
, child_tidptr=0x5555574e8650) = 18843
[pid 18843] set_robust_list(0x5555574e8660, 24) = 0
[pid 18843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18843] setpgid(0, 0)               = 0
[pid 18843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18843] write(3, "1000", 4)         = 4
[pid 18843] close(3)                    = 0
[pid 18843] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.235013][T18839] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18843] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18843] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18843] close(5)                    = 0
[pid 18843] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18846 attached
) = 18846
[pid 18843] tkill(18846, SIGSTOP)       = 0
[pid 18846] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18843, si_uid=65534} ---
[pid 18843] exit_group(0 <unfinished ...>
[pid 18846] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18846, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18843] <... exit_group resumed>)   = ?
[pid 18843] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18847 attached
, child_tidptr=0x5555574e8650) = 18847
[pid 18847] set_robust_list(0x5555574e8660, 24) = 0
[pid 18847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18847] setpgid(0, 0)               = 0
[pid 18847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18847] write(3, "1000", 4)         = 4
[pid 18847] close(3)                    = 0
[  254.300524][T18843] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18847] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18847] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18847] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18847] close(5)                    = 0
[pid 18847] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18850 attached
) = 18850
[pid 18847] tkill(18850, SIGSTOP)       = 0
[pid 18850] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18847, si_uid=65534} ---
[pid 18847] exit_group(0 <unfinished ...>
[pid 18850] --- stopped by SIGSTOP ---
[pid 18847] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18850, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18847] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18851 attached
, child_tidptr=0x5555574e8650) = 18851
[pid 18851] set_robust_list(0x5555574e8660, 24) = 0
[pid 18851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18851] setpgid(0, 0)               = 0
[pid 18851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18851] write(3, "1000", 4)         = 4
[pid 18851] close(3)                    = 0
[pid 18851] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.369892][T18847] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18851] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18851] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18851] close(5)                    = 0
[pid 18851] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18854 attached
) = 18854
[pid 18851] tkill(18854, SIGSTOP)       = 0
[pid 18854] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18851, si_uid=65534} ---
[pid 18851] exit_group(0 <unfinished ...>
[pid 18854] --- stopped by SIGSTOP ---
[pid 18851] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18854, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18851] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18855 attached
, child_tidptr=0x5555574e8650) = 18855
[pid 18855] set_robust_list(0x5555574e8660, 24) = 0
[pid 18855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18855] setpgid(0, 0)               = 0
[pid 18855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  254.437679][T18851] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18855] write(3, "1000", 4)         = 4
[pid 18855] close(3)                    = 0
[pid 18855] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18855] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18855] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18855] close(5)                    = 0
[pid 18855] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18858 attached
) = 18858
[pid 18855] tkill(18858, SIGSTOP)       = 0
[pid 18858] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18855, si_uid=65534} ---
[pid 18855] exit_group(0 <unfinished ...>
[pid 18858] --- stopped by SIGSTOP ---
[pid 18855] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18858, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18855] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18855, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18859 attached
, child_tidptr=0x5555574e8650) = 18859
[pid 18859] set_robust_list(0x5555574e8660, 24) = 0
[pid 18859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18859] setpgid(0, 0)               = 0
[pid 18859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18859] write(3, "1000", 4)         = 4
[pid 18859] close(3)                    = 0
[  254.514142][T18855] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18859] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18859] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18859] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18859] close(5)                    = 0
[pid 18859] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18862 attached
) = 18862
[pid 18859] tkill(18862, SIGSTOP)       = 0
[pid 18862] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18859, si_uid=65534} ---
[pid 18859] exit_group(0 <unfinished ...>
[pid 18862] --- stopped by SIGSTOP ---
[pid 18859] <... exit_group resumed>)   = ?
[pid 18859] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18862, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18863 attached
, child_tidptr=0x5555574e8650) = 18863
[pid 18863] set_robust_list(0x5555574e8660, 24) = 0
[pid 18863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18863] setpgid(0, 0)               = 0
[pid 18863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18863] write(3, "1000", 4)         = 4
[pid 18863] close(3)                    = 0
[pid 18863] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.584840][T18859] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18863] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18863] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18863] close(5)                    = 0
[pid 18863] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18866 attached
) = 18866
[pid 18863] tkill(18866, SIGSTOP)       = 0
[pid 18866] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18863, si_uid=65534} ---
[pid 18863] exit_group(0 <unfinished ...>
[pid 18866] --- stopped by SIGSTOP ---
[pid 18863] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18866, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18863] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18863, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18867 attached
, child_tidptr=0x5555574e8650) = 18867
[pid 18867] set_robust_list(0x5555574e8660, 24) = 0
[pid 18867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18867] setpgid(0, 0)               = 0
[pid 18867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18867] write(3, "1000", 4)         = 4
[pid 18867] close(3)                    = 0
[pid 18867] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18867] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  254.651265][T18863] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18867] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18867] close(5)                    = 0
[pid 18867] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18870 attached
) = 18870
[pid 18867] tkill(18870, SIGSTOP)       = 0
[pid 18870] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18867, si_uid=65534} ---
[pid 18867] exit_group(0 <unfinished ...>
[pid 18870] --- stopped by SIGSTOP ---
[pid 18867] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18870, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18867] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18871 attached
, child_tidptr=0x5555574e8650) = 18871
[pid 18871] set_robust_list(0x5555574e8660, 24) = 0
[pid 18871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18871] setpgid(0, 0)               = 0
[pid 18871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18871] write(3, "1000", 4)         = 4
[pid 18871] close(3)                    = 0
[pid 18871] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.715436][T18867] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18871] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18871] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18871] close(5)                    = 0
[pid 18871] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18874 attached
) = 18874
[pid 18871] tkill(18874, SIGSTOP)       = 0
[pid 18874] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18871, si_uid=65534} ---
[pid 18871] exit_group(0 <unfinished ...>
[pid 18874] --- stopped by SIGSTOP ---
[pid 18871] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18874, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18871] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18875 attached
, child_tidptr=0x5555574e8650) = 18875
[pid 18875] set_robust_list(0x5555574e8660, 24) = 0
[pid 18875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18875] setpgid(0, 0)               = 0
[pid 18875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18875] write(3, "1000", 4)         = 4
[pid 18875] close(3)                    = 0
[pid 18875] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.780330][T18871] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18875] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18875] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18875] close(5)                    = 0
[pid 18875] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18878 attached
) = 18878
[pid 18875] tkill(18878, SIGSTOP)       = 0
[pid 18878] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18875, si_uid=65534} ---
[pid 18875] exit_group(0 <unfinished ...>
[pid 18878] --- stopped by SIGSTOP ---
[pid 18875] <... exit_group resumed>)   = ?
[pid 18875] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18878, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18879 attached
, child_tidptr=0x5555574e8650) = 18879
[pid 18879] set_robust_list(0x5555574e8660, 24) = 0
[pid 18879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18879] setpgid(0, 0)               = 0
[pid 18879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18879] write(3, "1000", 4)         = 4
[pid 18879] close(3)                    = 0
[pid 18879] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18879] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  254.847099][T18875] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18879] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18879] close(5)                    = 0
[pid 18879] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18882 attached
) = 18882
[pid 18879] tkill(18882, SIGSTOP)       = 0
[pid 18882] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18879, si_uid=65534} ---
[pid 18879] exit_group(0 <unfinished ...>
[pid 18882] --- stopped by SIGSTOP ---
[pid 18879] <... exit_group resumed>)   = ?
[pid 18879] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18882, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18883 attached
, child_tidptr=0x5555574e8650) = 18883
[pid 18883] set_robust_list(0x5555574e8660, 24) = 0
[pid 18883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18883] setpgid(0, 0)               = 0
[pid 18883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18883] write(3, "1000", 4)         = 4
[pid 18883] close(3)                    = 0
[pid 18883] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  254.912115][T18879] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18883] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18883] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18883] close(5)                    = 0
[pid 18883] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18886 attached
) = 18886
[pid 18883] tkill(18886, SIGSTOP)       = 0
[pid 18886] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18883, si_uid=65534} ---
[pid 18883] exit_group(0 <unfinished ...>
[pid 18886] --- stopped by SIGSTOP ---
[pid 18883] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18886, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18883] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18883, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18887 attached
, child_tidptr=0x5555574e8650) = 18887
[pid 18887] set_robust_list(0x5555574e8660, 24) = 0
[pid 18887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18887] setpgid(0, 0)               = 0
[pid 18887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18887] write(3, "1000", 4)         = 4
[pid 18887] close(3)                    = 0
[  254.980062][T18883] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18887] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18887] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18887] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18887] close(5)                    = 0
[pid 18887] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18890 attached
) = 18890
[pid 18887] tkill(18890, SIGSTOP)       = 0
[pid 18890] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18887, si_uid=65534} ---
[pid 18887] exit_group(0 <unfinished ...>
[pid 18890] --- stopped by SIGSTOP ---
[pid 18887] <... exit_group resumed>)   = ?
[pid 18887] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18890, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18891 attached
, child_tidptr=0x5555574e8650) = 18891
[pid 18891] set_robust_list(0x5555574e8660, 24) = 0
[pid 18891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18891] setpgid(0, 0)               = 0
[pid 18891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18891] write(3, "1000", 4)         = 4
[pid 18891] close(3)                    = 0
[pid 18891] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18891] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.048395][T18887] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18891] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18891] close(5)                    = 0
[pid 18891] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18894 attached
) = 18894
[pid 18891] tkill(18894, SIGSTOP)       = 0
[pid 18894] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18891, si_uid=65534} ---
[pid 18891] exit_group(0 <unfinished ...>
[pid 18894] --- stopped by SIGSTOP ---
[pid 18891] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18894, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18891] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18891, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18895 attached
, child_tidptr=0x5555574e8650) = 18895
[pid 18895] set_robust_list(0x5555574e8660, 24) = 0
[pid 18895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18895] setpgid(0, 0)               = 0
[pid 18895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18895] write(3, "1000", 4)         = 4
[pid 18895] close(3)                    = 0
[  255.113542][T18891] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18895] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18895] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18895] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18895] close(5)                    = 0
[pid 18895] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18898 attached
) = 18898
[pid 18895] tkill(18898, SIGSTOP)       = 0
[pid 18898] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18895, si_uid=65534} ---
[pid 18895] exit_group(0 <unfinished ...>
[pid 18898] --- stopped by SIGSTOP ---
[pid 18895] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18898, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18895] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18895, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18899 attached
, child_tidptr=0x5555574e8650) = 18899
[pid 18899] set_robust_list(0x5555574e8660, 24) = 0
[pid 18899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18899] setpgid(0, 0)               = 0
[pid 18899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18899] write(3, "1000", 4)         = 4
[pid 18899] close(3)                    = 0
[pid 18899] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18899] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.181885][T18895] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18899] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18899] close(5)                    = 0
[pid 18899] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18902 attached
) = 18902
[pid 18899] tkill(18902, SIGSTOP)       = 0
[pid 18902] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18899, si_uid=65534} ---
[pid 18899] exit_group(0 <unfinished ...>
[pid 18902] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18902, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18899] <... exit_group resumed>)   = ?
[pid 18899] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18903 attached
, child_tidptr=0x5555574e8650) = 18903
[pid 18903] set_robust_list(0x5555574e8660, 24) = 0
[pid 18903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18903] setpgid(0, 0)               = 0
[pid 18903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18903] write(3, "1000", 4)         = 4
[pid 18903] close(3)                    = 0
[pid 18903] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  255.245399][T18899] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18903] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18903] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18903] close(5)                    = 0
[pid 18903] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18906 attached
) = 18906
[pid 18903] tkill(18906, SIGSTOP)       = 0
[pid 18906] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18903, si_uid=65534} ---
[pid 18903] exit_group(0 <unfinished ...>
[pid 18906] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18906, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18903] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18903] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18903, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18907 attached
, child_tidptr=0x5555574e8650) = 18907
[pid 18907] set_robust_list(0x5555574e8660, 24) = 0
[pid 18907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18907] setpgid(0, 0)               = 0
[pid 18907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18907] write(3, "1000", 4)         = 4
[pid 18907] close(3)                    = 0
[pid 18907] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18907] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.312224][T18903] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18907] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18907] close(5)                    = 0
[pid 18907] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18910 attached
) = 18910
[pid 18907] tkill(18910, SIGSTOP)       = 0
[pid 18910] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18907, si_uid=65534} ---
[pid 18907] exit_group(0 <unfinished ...>
[pid 18910] --- stopped by SIGSTOP ---
[pid 18907] <... exit_group resumed>)   = ?
[pid 18907] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18910, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18911 attached
, child_tidptr=0x5555574e8650) = 18911
[pid 18911] set_robust_list(0x5555574e8660, 24) = 0
[pid 18911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18911] setpgid(0, 0)               = 0
[pid 18911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18911] write(3, "1000", 4)         = 4
[pid 18911] close(3)                    = 0
[pid 18911] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18911] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.376369][T18907] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18911] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18911] close(5)                    = 0
[pid 18911] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18914 attached
) = 18914
[pid 18911] tkill(18914, SIGSTOP)       = 0
[pid 18914] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18911, si_uid=65534} ---
[pid 18911] exit_group(0 <unfinished ...>
[pid 18914] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18914, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18911] <... exit_group resumed>)   = ?
[pid 18911] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18911, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18915 attached
, child_tidptr=0x5555574e8650) = 18915
[pid 18915] set_robust_list(0x5555574e8660, 24) = 0
[pid 18915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18915] setpgid(0, 0)               = 0
[pid 18915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18915] write(3, "1000", 4)         = 4
[pid 18915] close(3)                    = 0
[  255.440154][T18911] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18915] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18915] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18915] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18915] close(5)                    = 0
[pid 18915] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18918 attached
) = 18918
[pid 18915] tkill(18918, SIGSTOP)       = 0
[pid 18918] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18915, si_uid=65534} ---
[pid 18915] exit_group(0 <unfinished ...>
[pid 18918] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18918, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18915] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 18915] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18919 attached
, child_tidptr=0x5555574e8650) = 18919
[pid 18919] set_robust_list(0x5555574e8660, 24) = 0
[pid 18919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18919] setpgid(0, 0)               = 0
[pid 18919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18919] write(3, "1000", 4)         = 4
[pid 18919] close(3)                    = 0
[pid 18919] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18919] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.509094][T18915] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18919] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18919] close(5)                    = 0
[pid 18919] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18922 attached
) = 18922
[pid 18919] tkill(18922, SIGSTOP)       = 0
[pid 18922] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18919, si_uid=65534} ---
[pid 18919] exit_group(0 <unfinished ...>
[pid 18922] --- stopped by SIGSTOP ---
[pid 18919] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18922, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18919] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18919, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18923 attached
, child_tidptr=0x5555574e8650) = 18923
[pid 18923] set_robust_list(0x5555574e8660, 24) = 0
[pid 18923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18923] setpgid(0, 0)               = 0
[pid 18923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  255.571001][T18919] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18923] write(3, "1000", 4)         = 4
[pid 18923] close(3)                    = 0
[pid 18923] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18923] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18923] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18923] close(5)                    = 0
[pid 18923] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18926 attached
) = 18926
[pid 18923] tkill(18926, SIGSTOP)       = 0
[pid 18926] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18923, si_uid=65534} ---
[pid 18923] exit_group(0 <unfinished ...>
[pid 18926] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18926, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18923] <... exit_group resumed>)   = ?
[pid 18923] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18927 attached
, child_tidptr=0x5555574e8650) = 18927
[pid 18927] set_robust_list(0x5555574e8660, 24) = 0
[pid 18927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18927] setpgid(0, 0)               = 0
[pid 18927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18927] write(3, "1000", 4)         = 4
[pid 18927] close(3)                    = 0
[  255.647908][T18923] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18927] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18927] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18927] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18927] close(5)                    = 0
[pid 18927] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18930 attached
) = 18930
[pid 18927] tkill(18930, SIGSTOP)       = 0
[pid 18930] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18927, si_uid=65534} ---
[pid 18927] exit_group(0 <unfinished ...>
[pid 18930] --- stopped by SIGSTOP ---
[pid 18927] <... exit_group resumed>)   = ?
[pid 18927] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18930, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18931 attached
, child_tidptr=0x5555574e8650) = 18931
[pid 18931] set_robust_list(0x5555574e8660, 24) = 0
[pid 18931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18931] setpgid(0, 0)               = 0
[pid 18931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18931] write(3, "1000", 4)         = 4
[pid 18931] close(3)                    = 0
[pid 18931] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  255.715966][T18927] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18931] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18931] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18931] close(5)                    = 0
[pid 18931] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18934 attached
) = 18934
[pid 18931] tkill(18934, SIGSTOP)       = 0
[pid 18931] exit_group(0 <unfinished ...>
[pid 18934] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18931, si_uid=65534} ---
[pid 18931] <... exit_group resumed>)   = ?
[pid 18934] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18934, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18931] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18931, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18935 attached
, child_tidptr=0x5555574e8650) = 18935
[pid 18935] set_robust_list(0x5555574e8660, 24) = 0
[pid 18935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18935] setpgid(0, 0)               = 0
[  255.781000][T18931] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18935] write(3, "1000", 4)         = 4
[pid 18935] close(3)                    = 0
[pid 18935] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18935] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18935] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18935] close(5)                    = 0
[pid 18935] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18938 attached
) = 18938
[pid 18935] tkill(18938, SIGSTOP)       = 0
[pid 18938] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18935, si_uid=65534} ---
[pid 18935] exit_group(0 <unfinished ...>
[pid 18938] --- stopped by SIGSTOP ---
[pid 18935] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18938, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18935] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18935, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18939 attached
, child_tidptr=0x5555574e8650) = 18939
[pid 18939] set_robust_list(0x5555574e8660, 24) = 0
[pid 18939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18939] setpgid(0, 0)               = 0
[pid 18939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  255.861074][T18935] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18939] write(3, "1000", 4)         = 4
[pid 18939] close(3)                    = 0
[pid 18939] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18939] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18939] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18939] close(5)                    = 0
[pid 18939] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18942 attached
) = 18942
[pid 18939] tkill(18942, SIGSTOP)       = 0
[pid 18939] exit_group(0)               = ?
[pid 18942] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18939, si_uid=65534} ---
[pid 18939] +++ exited with 0 +++
[pid 18942] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18939, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18943 attached
, child_tidptr=0x5555574e8650) = 18943
[pid 18943] set_robust_list(0x5555574e8660, 24) = 0
[pid 18943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18943] setpgid(0, 0)               = 0
[pid 18943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18943] write(3, "1000", 4)         = 4
[pid 18943] close(3)                    = 0
[pid 18943] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18943] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  255.937660][T18939] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18943] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18943] close(5)                    = 0
[pid 18943] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18946 attached
) = 18946
[pid 18943] tkill(18946, SIGSTOP)       = 0
[pid 18946] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18943, si_uid=65534} ---
[pid 18943] exit_group(0 <unfinished ...>
[pid 18946] --- stopped by SIGSTOP ---
[pid 18943] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18946, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18943] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18943, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18947 attached
, child_tidptr=0x5555574e8650) = 18947
[pid 18947] set_robust_list(0x5555574e8660, 24) = 0
[pid 18947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18947] setpgid(0, 0)               = 0
[pid 18947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  256.000539][T18943] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18947] write(3, "1000", 4)         = 4
[pid 18947] close(3)                    = 0
[pid 18947] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18947] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18947] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18947] close(5)                    = 0
[pid 18947] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18950 attached
) = 18950
[pid 18947] tkill(18950, SIGSTOP)       = 0
[pid 18950] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18947, si_uid=65534} ---
[pid 18947] exit_group(0 <unfinished ...>
[pid 18950] --- stopped by SIGSTOP ---
[pid 18947] <... exit_group resumed>)   = ?
[pid 18947] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18950, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18951 attached
, child_tidptr=0x5555574e8650) = 18951
[pid 18951] set_robust_list(0x5555574e8660, 24) = 0
[pid 18951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18951] setpgid(0, 0)               = 0
[pid 18951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18951] write(3, "1000", 4)         = 4
[pid 18951] close(3)                    = 0
[pid 18951] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18951] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  256.076680][T18947] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18951] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18951] close(5)                    = 0
[pid 18951] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18954 attached
) = 18954
[pid 18951] tkill(18954, SIGSTOP)       = 0
[pid 18954] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18951, si_uid=65534} ---
[pid 18951] exit_group(0 <unfinished ...>
[pid 18954] --- stopped by SIGSTOP ---
[pid 18951] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18954, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18951] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18951, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18955 attached
, child_tidptr=0x5555574e8650) = 18955
[pid 18955] set_robust_list(0x5555574e8660, 24) = 0
[pid 18955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18955] setpgid(0, 0)               = 0
[pid 18955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18955] write(3, "1000", 4)         = 4
[pid 18955] close(3)                    = 0
[  256.141346][T18951] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18955] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18955] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18955] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18955] close(5)                    = 0
[pid 18955] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18958 attached
) = 18958
[pid 18955] tkill(18958, SIGSTOP)       = 0
[pid 18958] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18955, si_uid=65534} ---
[pid 18955] exit_group(0 <unfinished ...>
[pid 18958] --- stopped by SIGSTOP ---
[pid 18955] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18958, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18955] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18955, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18959 attached
, child_tidptr=0x5555574e8650) = 18959
[pid 18959] set_robust_list(0x5555574e8660, 24) = 0
[pid 18959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18959] setpgid(0, 0)               = 0
[pid 18959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18959] write(3, "1000", 4)         = 4
[pid 18959] close(3)                    = 0
[  256.211400][T18955] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18959] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18959] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18959] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18959] close(5)                    = 0
[pid 18959] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18962 attached
) = 18962
[pid 18959] tkill(18962, SIGSTOP)       = 0
[pid 18962] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18959, si_uid=65534} ---
[pid 18959] exit_group(0 <unfinished ...>
[pid 18962] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18962, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18959] <... exit_group resumed>)   = ?
[pid 18959] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18959, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18963 attached
, child_tidptr=0x5555574e8650) = 18963
[pid 18963] set_robust_list(0x5555574e8660, 24) = 0
[pid 18963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18963] setpgid(0, 0)               = 0
[pid 18963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18963] write(3, "1000", 4)         = 4
[pid 18963] close(3)                    = 0
[pid 18963] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.280274][T18959] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18963] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18963] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18963] close(5)                    = 0
[pid 18963] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18966 attached
) = 18966
[pid 18963] tkill(18966, SIGSTOP)       = 0
[pid 18966] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18963, si_uid=65534} ---
[pid 18963] exit_group(0 <unfinished ...>
[pid 18966] --- stopped by SIGSTOP ---
[pid 18963] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18966, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18963] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18967 attached
, child_tidptr=0x5555574e8650) = 18967
[pid 18967] set_robust_list(0x5555574e8660, 24) = 0
[pid 18967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18967] setpgid(0, 0)               = 0
[pid 18967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18967] write(3, "1000", 4)         = 4
[pid 18967] close(3)                    = 0
[pid 18967] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.345891][T18963] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18967] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18967] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18967] close(5)                    = 0
[pid 18967] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18970 attached
) = 18970
[pid 18967] tkill(18970, SIGSTOP)       = 0
[pid 18970] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18967, si_uid=65534} ---
[pid 18967] exit_group(0 <unfinished ...>
[pid 18970] --- stopped by SIGSTOP ---
[pid 18967] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18970, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18967] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18967, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18971 attached
, child_tidptr=0x5555574e8650) = 18971
[pid 18971] set_robust_list(0x5555574e8660, 24) = 0
[pid 18971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18971] setpgid(0, 0)               = 0
[pid 18971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18971] write(3, "1000", 4)         = 4
[pid 18971] close(3)                    = 0
[pid 18971] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18971] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  256.412405][T18967] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18971] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18971] close(5)                    = 0
[pid 18971] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18974 attached
) = 18974
[pid 18971] tkill(18974, SIGSTOP)       = 0
[pid 18974] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18971, si_uid=65534} ---
[pid 18971] exit_group(0 <unfinished ...>
[pid 18974] --- stopped by SIGSTOP ---
[pid 18971] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18974, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18971] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18975 attached
, child_tidptr=0x5555574e8650) = 18975
[pid 18975] set_robust_list(0x5555574e8660, 24) = 0
[pid 18975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18975] setpgid(0, 0)               = 0
[pid 18975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18975] write(3, "1000", 4)         = 4
[pid 18975] close(3)                    = 0
[pid 18975] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.476052][T18971] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18975] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18975] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18975] close(5)                    = 0
[pid 18975] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18978 attached
) = 18978
[pid 18975] tkill(18978, SIGSTOP)       = 0
[pid 18978] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18975, si_uid=65534} ---
[pid 18975] exit_group(0 <unfinished ...>
[pid 18978] --- stopped by SIGSTOP ---
[pid 18975] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18978, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18975] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18979 attached
, child_tidptr=0x5555574e8650) = 18979
[pid 18979] set_robust_list(0x5555574e8660, 24) = 0
[pid 18979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18979] setpgid(0, 0)               = 0
[pid 18979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18979] write(3, "1000", 4)         = 4
[pid 18979] close(3)                    = 0
[pid 18979] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.544759][T18975] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18979] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18979] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18979] close(5)                    = 0
[pid 18979] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18982 attached
) = 18982
[pid 18979] tkill(18982, SIGSTOP)       = 0
[pid 18982] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18979, si_uid=65534} ---
[pid 18979] exit_group(0 <unfinished ...>
[pid 18982] --- stopped by SIGSTOP ---
[pid 18979] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18982, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18979] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18979, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18983 attached
, child_tidptr=0x5555574e8650) = 18983
[pid 18983] set_robust_list(0x5555574e8660, 24) = 0
[pid 18983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18983] setpgid(0, 0)               = 0
[pid 18983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18983] write(3, "1000", 4)         = 4
[pid 18983] close(3)                    = 0
[  256.611423][T18979] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18983] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18983] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18983] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18983] close(5)                    = 0
[pid 18983] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18986 attached
) = 18986
[pid 18983] tkill(18986, SIGSTOP)       = 0
[pid 18986] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18983, si_uid=65534} ---
[pid 18983] exit_group(0 <unfinished ...>
[pid 18986] --- stopped by SIGSTOP ---
[pid 18983] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18986, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 18983] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18987 attached
, child_tidptr=0x5555574e8650) = 18987
[pid 18987] set_robust_list(0x5555574e8660, 24) = 0
[pid 18987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18987] setpgid(0, 0)               = 0
[pid 18987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18987] write(3, "1000", 4)         = 4
[pid 18987] close(3)                    = 0
[pid 18987] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18987] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  256.679105][T18983] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18987] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18987] close(5)                    = 0
[pid 18987] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18990 attached
) = 18990
[pid 18987] tkill(18990, SIGSTOP)       = 0
[pid 18990] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18987, si_uid=65534} ---
[pid 18987] exit_group(0 <unfinished ...>
[pid 18990] --- stopped by SIGSTOP ---
[pid 18987] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18990, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18987] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18987, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18991 attached
, child_tidptr=0x5555574e8650) = 18991
[pid 18991] set_robust_list(0x5555574e8660, 24) = 0
[pid 18991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18991] setpgid(0, 0)               = 0
[pid 18991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18991] write(3, "1000", 4)         = 4
[pid 18991] close(3)                    = 0
[pid 18991] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18991] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  256.744188][T18987] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18991] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18991] close(5)                    = 0
[pid 18991] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18994 attached
) = 18994
[pid 18991] tkill(18994, SIGSTOP)       = 0
[pid 18994] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18991, si_uid=65534} ---
[pid 18991] exit_group(0 <unfinished ...>
[pid 18994] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18994, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18991] <... exit_group resumed>)   = ?
[pid 18991] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18995 attached
, child_tidptr=0x5555574e8650) = 18995
[pid 18995] set_robust_list(0x5555574e8660, 24) = 0
[pid 18995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18995] setpgid(0, 0)               = 0
[pid 18995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18995] write(3, "1000", 4)         = 4
[pid 18995] close(3)                    = 0
[pid 18995] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.807907][T18991] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18995] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 18995] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18995] close(5)                    = 0
[pid 18995] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 18998 attached
) = 18998
[pid 18995] tkill(18998, SIGSTOP)       = 0
[pid 18998] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18995, si_uid=65534} ---
[pid 18995] exit_group(0 <unfinished ...>
[pid 18998] --- stopped by SIGSTOP ---
[pid 18995] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=18998, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18995] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18995, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18999 attached
, child_tidptr=0x5555574e8650) = 18999
[pid 18999] set_robust_list(0x5555574e8660, 24) = 0
[pid 18999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 18999] setpgid(0, 0)               = 0
[pid 18999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 18999] write(3, "1000", 4)         = 4
[pid 18999] close(3)                    = 0
[pid 18999] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 18999] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  256.873262][T18995] vhci_hcd vhci_hcd.0: port 0 already used
[pid 18999] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 18999] close(5)                    = 0
[pid 18999] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19002 attached
) = 19002
[pid 18999] tkill(19002, SIGSTOP)       = 0
[pid 19002] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=18999, si_uid=65534} ---
[pid 18999] exit_group(0 <unfinished ...>
[pid 19002] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19002, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 18999] <... exit_group resumed>)   = ?
[pid 18999] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19003 attached
, child_tidptr=0x5555574e8650) = 19003
[pid 19003] set_robust_list(0x5555574e8660, 24) = 0
[pid 19003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19003] setpgid(0, 0)               = 0
[pid 19003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19003] write(3, "1000", 4)         = 4
[pid 19003] close(3)                    = 0
[pid 19003] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  256.937538][T18999] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19003] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19003] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19003] close(5)                    = 0
[pid 19003] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19006 attached
) = 19006
[pid 19003] tkill(19006, SIGSTOP)       = 0
[pid 19003] exit_group(0 <unfinished ...>
[pid 19006] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19003, si_uid=65534} ---
[pid 19003] <... exit_group resumed>)   = ?
[pid 19006] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19006, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19003] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19007 attached
, child_tidptr=0x5555574e8650) = 19007
[pid 19007] set_robust_list(0x5555574e8660, 24) = 0
[pid 19007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19007] setpgid(0, 0)               = 0
[pid 19007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19007] write(3, "1000", 4)         = 4
[pid 19007] close(3)                    = 0
[pid 19007] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19007] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.002550][T19003] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19007] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19007] close(5)                    = 0
[pid 19007] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19010 attached
) = 19010
[pid 19007] tkill(19010, SIGSTOP)       = 0
[pid 19010] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19007, si_uid=65534} ---
[pid 19007] exit_group(0 <unfinished ...>
[pid 19010] --- stopped by SIGSTOP ---
[pid 19007] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19010, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19007] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19011 attached
, child_tidptr=0x5555574e8650) = 19011
[pid 19011] set_robust_list(0x5555574e8660, 24) = 0
[pid 19011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19011] setpgid(0, 0)               = 0
[pid 19011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19011] write(3, "1000", 4)         = 4
[pid 19011] close(3)                    = 0
[  257.065579][T19007] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19011] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19011] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19011] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19011] close(5)                    = 0
[pid 19011] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19014 attached
) = 19014
[pid 19011] tkill(19014, SIGSTOP)       = 0
[pid 19014] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19011, si_uid=65534} ---
[pid 19011] exit_group(0 <unfinished ...>
[pid 19014] --- stopped by SIGSTOP ---
[pid 19011] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19014, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19011] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19011, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19015 attached
, child_tidptr=0x5555574e8650) = 19015
[pid 19015] set_robust_list(0x5555574e8660, 24) = 0
[pid 19015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19015] setpgid(0, 0)               = 0
[pid 19015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19015] write(3, "1000", 4)         = 4
[pid 19015] close(3)                    = 0
[pid 19015] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  257.133483][T19011] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19015] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19015] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19015] close(5)                    = 0
[pid 19015] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19018 attached
) = 19018
[pid 19015] tkill(19018, SIGSTOP)       = 0
[pid 19018] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19015, si_uid=65534} ---
[pid 19015] exit_group(0 <unfinished ...>
[pid 19018] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19018, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19015] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19015] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19019 attached
, child_tidptr=0x5555574e8650) = 19019
[pid 19019] set_robust_list(0x5555574e8660, 24) = 0
[pid 19019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19019] setpgid(0, 0)               = 0
[pid 19019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19019] write(3, "1000", 4)         = 4
[  257.199328][T19015] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19019] close(3)                    = 0
[pid 19019] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19019] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19019] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19019] close(5)                    = 0
[pid 19019] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19022 attached
) = 19022
[pid 19019] tkill(19022, SIGSTOP)       = 0
[pid 19022] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19019, si_uid=65534} ---
[pid 19022] --- stopped by SIGSTOP ---
[pid 19019] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19022, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19019] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19023 attached
, child_tidptr=0x5555574e8650) = 19023
[pid 19023] set_robust_list(0x5555574e8660, 24) = 0
[pid 19023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19023] setpgid(0, 0)               = 0
[pid 19023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19023] write(3, "1000", 4)         = 4
[pid 19023] close(3)                    = 0
[pid 19023] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19023] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.272624][T19019] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19023] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19023] close(5)                    = 0
[pid 19023] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19026 attached
) = 19026
[pid 19023] tkill(19026, SIGSTOP)       = 0
[pid 19023] exit_group(0 <unfinished ...>
[pid 19026] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19023, si_uid=65534} ---
[pid 19026] --- stopped by SIGSTOP ---
[pid 19023] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19026, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19023] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19023, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19027 attached
, child_tidptr=0x5555574e8650) = 19027
[pid 19027] set_robust_list(0x5555574e8660, 24) = 0
[pid 19027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19027] setpgid(0, 0)               = 0
[pid 19027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19027] write(3, "1000", 4)         = 4
[pid 19027] close(3)                    = 0
[pid 19027] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  257.334195][T19023] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19027] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19027] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19027] close(5)                    = 0
[pid 19027] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19030 attached
) = 19030
[pid 19027] tkill(19030, SIGSTOP)       = 0
[pid 19030] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19027, si_uid=65534} ---
[pid 19027] exit_group(0 <unfinished ...>
[pid 19030] --- stopped by SIGSTOP ---
[pid 19027] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19030, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19027] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19031 attached
, child_tidptr=0x5555574e8650) = 19031
[pid 19031] set_robust_list(0x5555574e8660, 24) = 0
[pid 19031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19031] setpgid(0, 0)               = 0
[pid 19031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19031] write(3, "1000", 4)         = 4
[pid 19031] close(3)                    = 0
[pid 19031] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19031] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.400613][T19027] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19031] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19031] close(5)                    = 0
[pid 19031] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19034 attached
) = 19034
[pid 19031] tkill(19034, SIGSTOP)       = 0
[pid 19034] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19031, si_uid=65534} ---
[pid 19031] exit_group(0 <unfinished ...>
[pid 19034] --- stopped by SIGSTOP ---
[pid 19031] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19034, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19031] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19031, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19035 attached
, child_tidptr=0x5555574e8650) = 19035
[pid 19035] set_robust_list(0x5555574e8660, 24) = 0
[pid 19035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19035] setpgid(0, 0)               = 0
[pid 19035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19035] write(3, "1000", 4)         = 4
[pid 19035] close(3)                    = 0
[  257.464888][T19031] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19035] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19035] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19035] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19035] close(5)                    = 0
[pid 19035] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19038 attached
) = 19038
[pid 19035] tkill(19038, SIGSTOP)       = 0
[pid 19038] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19035, si_uid=65534} ---
[pid 19035] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19038, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19038] --- stopped by SIGSTOP ---
[pid 19035] <... exit_group resumed>)   = ?
[pid 19035] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19035, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19039 attached
, child_tidptr=0x5555574e8650) = 19039
[pid 19039] set_robust_list(0x5555574e8660, 24) = 0
[pid 19039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19039] setpgid(0, 0)               = 0
[pid 19039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19039] write(3, "1000", 4)         = 4
[pid 19039] close(3)                    = 0
[pid 19039] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19039] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.532221][T19035] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19039] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19039] close(5)                    = 0
[pid 19039] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19042 attached
) = 19042
[pid 19039] tkill(19042, SIGSTOP)       = 0
[pid 19042] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19039, si_uid=65534} ---
[pid 19039] exit_group(0 <unfinished ...>
[pid 19042] --- stopped by SIGSTOP ---
[pid 19039] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19042, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19039] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19043 attached
, child_tidptr=0x5555574e8650) = 19043
[pid 19043] set_robust_list(0x5555574e8660, 24) = 0
[  257.596752][T19039] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19043] setpgid(0, 0)               = 0
[pid 19043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19043] write(3, "1000", 4)         = 4
[pid 19043] close(3)                    = 0
[pid 19043] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19043] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19043] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19043] close(5)                    = 0
[pid 19043] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19046 attached
) = 19046
[pid 19043] tkill(19046, SIGSTOP)       = 0
[pid 19043] exit_group(0 <unfinished ...>
[pid 19046] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19043, si_uid=65534} ---
[pid 19043] <... exit_group resumed>)   = ?
[pid 19046] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19046, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19043] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19043, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19047 attached
, child_tidptr=0x5555574e8650) = 19047
[pid 19047] set_robust_list(0x5555574e8660, 24) = 0
[pid 19047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19047] setpgid(0, 0)               = 0
[pid 19047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19047] write(3, "1000", 4)         = 4
[pid 19047] close(3)                    = 0
[pid 19047] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19047] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.682775][T19043] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19047] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19047] close(5)                    = 0
[pid 19047] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19050 attached
) = 19050
[pid 19047] tkill(19050, SIGSTOP)       = 0
[pid 19050] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19047, si_uid=65534} ---
[pid 19047] exit_group(0 <unfinished ...>
[pid 19050] --- stopped by SIGSTOP ---
[pid 19047] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19050, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19047] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19047, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19051 attached
, child_tidptr=0x5555574e8650) = 19051
[pid 19051] set_robust_list(0x5555574e8660, 24) = 0
[pid 19051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19051] setpgid(0, 0)               = 0
[pid 19051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19051] write(3, "1000", 4)         = 4
[pid 19051] close(3)                    = 0
[pid 19051] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19051] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.744943][T19047] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19051] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19051] close(5)                    = 0
[pid 19051] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19054 attached
) = 19054
[pid 19051] tkill(19054, SIGSTOP)       = 0
[pid 19051] exit_group(0 <unfinished ...>
[pid 19054] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19051, si_uid=65534} ---
[pid 19051] <... exit_group resumed>)   = ?
[pid 19054] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19054, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19051] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19055 attached
, child_tidptr=0x5555574e8650) = 19055
[pid 19055] set_robust_list(0x5555574e8660, 24) = 0
[pid 19055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19055] setpgid(0, 0)               = 0
[pid 19055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19055] write(3, "1000", 4)         = 4
[pid 19055] close(3)                    = 0
[pid 19055] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19055] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  257.810264][T19051] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19055] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19055] close(5)                    = 0
[pid 19055] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19058 attached
) = 19058
[pid 19055] tkill(19058, SIGSTOP)       = 0
[pid 19058] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19055, si_uid=65534} ---
[pid 19055] exit_group(0 <unfinished ...>
[pid 19058] --- stopped by SIGSTOP ---
[pid 19055] <... exit_group resumed>)   = ?
[pid 19055] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19058, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19059 attached
, child_tidptr=0x5555574e8650) = 19059
[pid 19059] set_robust_list(0x5555574e8660, 24) = 0
[pid 19059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19059] setpgid(0, 0)               = 0
[pid 19059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19059] write(3, "1000", 4)         = 4
[pid 19059] close(3)                    = 0
[pid 19059] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  257.872979][T19055] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19059] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19059] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19059] close(5)                    = 0
[pid 19059] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19062 attached
) = 19062
[pid 19059] tkill(19062, SIGSTOP)       = 0
[pid 19062] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19059, si_uid=65534} ---
[pid 19059] exit_group(0 <unfinished ...>
[pid 19062] --- stopped by SIGSTOP ---
[pid 19059] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19062, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19059] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19063 attached
, child_tidptr=0x5555574e8650) = 19063
[pid 19063] set_robust_list(0x5555574e8660, 24) = 0
[pid 19063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19063] setpgid(0, 0)               = 0
[pid 19063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19063] write(3, "1000", 4)         = 4
[pid 19063] close(3)                    = 0
[pid 19063] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  257.940103][T19059] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19063] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19063] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19063] close(5)                    = 0
[pid 19063] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19066 attached
) = 19066
[pid 19063] tkill(19066, SIGSTOP)       = 0
[pid 19066] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19063, si_uid=65534} ---
[pid 19063] exit_group(0 <unfinished ...>
[pid 19066] --- stopped by SIGSTOP ---
[pid 19063] <... exit_group resumed>)   = ?
[pid 19063] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19066, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19067 attached
, child_tidptr=0x5555574e8650) = 19067
[pid 19067] set_robust_list(0x5555574e8660, 24) = 0
[pid 19067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19067] setpgid(0, 0)               = 0
[pid 19067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19067] write(3, "1000", 4)         = 4
[pid 19067] close(3)                    = 0
[pid 19067] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  258.007188][T19063] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19067] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19067] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19067] close(5)                    = 0
[pid 19067] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19070 attached
) = 19070
[pid 19067] tkill(19070, SIGSTOP)       = 0
[pid 19070] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19067, si_uid=65534} ---
[pid 19067] exit_group(0 <unfinished ...>
[pid 19070] --- stopped by SIGSTOP ---
[pid 19067] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19070, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19067] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19071 attached
, child_tidptr=0x5555574e8650) = 19071
[pid 19071] set_robust_list(0x5555574e8660, 24) = 0
[pid 19071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19071] setpgid(0, 0)               = 0
[pid 19071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19071] write(3, "1000", 4)         = 4
[pid 19071] close(3)                    = 0
[  258.075107][T19067] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19071] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19071] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19071] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19071] close(5)                    = 0
[pid 19071] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19074 attached
) = 19074
[pid 19071] tkill(19074, SIGSTOP)       = 0
[pid 19074] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19071, si_uid=65534} ---
[pid 19071] exit_group(0 <unfinished ...>
[pid 19074] --- stopped by SIGSTOP ---
[pid 19071] <... exit_group resumed>)   = ?
[pid 19071] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19074, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19075 attached
, child_tidptr=0x5555574e8650) = 19075
[pid 19075] set_robust_list(0x5555574e8660, 24) = 0
[pid 19075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19075] setpgid(0, 0)               = 0
[pid 19075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19075] write(3, "1000", 4)         = 4
[pid 19075] close(3)                    = 0
[pid 19075] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  258.144269][T19071] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19075] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19075] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19075] close(5)                    = 0
[pid 19075] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19078 attached
) = 19078
[pid 19075] tkill(19078, SIGSTOP)       = 0
[pid 19075] exit_group(0 <unfinished ...>
[pid 19078] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19075, si_uid=65534} ---
[pid 19075] <... exit_group resumed>)   = ?
[pid 19078] --- stopped by SIGSTOP ---
[pid 19075] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19078, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19079 attached
, child_tidptr=0x5555574e8650) = 19079
[pid 19079] set_robust_list(0x5555574e8660, 24) = 0
[pid 19079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19079] setpgid(0, 0)               = 0
[pid 19079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19079] write(3, "1000", 4)         = 4
[pid 19079] close(3)                    = 0
[pid 19079] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19079] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  258.212634][T19075] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19079] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19079] close(5)                    = 0
[pid 19079] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19082 attached
) = 19082
[pid 19079] tkill(19082, SIGSTOP)       = 0
[pid 19082] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19079, si_uid=65534} ---
[pid 19079] exit_group(0 <unfinished ...>
[pid 19082] --- stopped by SIGSTOP ---
[pid 19079] <... exit_group resumed>)   = ?
[pid 19079] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19082, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19083 attached
, child_tidptr=0x5555574e8650) = 19083
[pid 19083] set_robust_list(0x5555574e8660, 24) = 0
[pid 19083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19083] setpgid(0, 0)               = 0
[pid 19083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19083] write(3, "1000", 4)         = 4
[pid 19083] close(3)                    = 0
[pid 19083] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  258.274034][T19079] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19083] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19083] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19083] close(5)                    = 0
[pid 19083] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19086 attached
) = 19086
[pid 19083] tkill(19086, SIGSTOP)       = 0
[pid 19083] exit_group(0)               = ?
[pid 19086] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19083, si_uid=65534} ---
[pid 19086] --- stopped by SIGSTOP ---
[pid 19083] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19086, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19087 attached
, child_tidptr=0x5555574e8650) = 19087
[pid 19087] set_robust_list(0x5555574e8660, 24) = 0
[pid 19087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19087] setpgid(0, 0)               = 0
[pid 19087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19087] write(3, "1000", 4)         = 4
[pid 19087] close(3)                    = 0
[pid 19087] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19087] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  258.341316][T19083] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19087] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19087] close(5)                    = 0
[pid 19087] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19090 attached
) = 19090
[pid 19087] tkill(19090, SIGSTOP)       = 0
[pid 19090] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19087, si_uid=65534} ---
[pid 19087] exit_group(0 <unfinished ...>
[pid 19090] --- stopped by SIGSTOP ---
[pid 19087] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19090, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19087] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19091 attached
, child_tidptr=0x5555574e8650) = 19091
[pid 19091] set_robust_list(0x5555574e8660, 24) = 0
[pid 19091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19091] setpgid(0, 0)               = 0
[pid 19091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19091] write(3, "1000", 4)         = 4
[  258.401139][T19087] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19091] close(3)                    = 0
[pid 19091] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19091] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19091] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19091] close(5)                    = 0
[pid 19091] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19094 attached
) = 19094
[pid 19091] tkill(19094, SIGSTOP)       = 0
[pid 19094] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19091, si_uid=65534} ---
[pid 19091] exit_group(0 <unfinished ...>
[pid 19094] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19094, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19091] <... exit_group resumed>)   = ?
[pid 19091] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19095 attached
, child_tidptr=0x5555574e8650) = 19095
[pid 19095] set_robust_list(0x5555574e8660, 24) = 0
[pid 19095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19095] setpgid(0, 0)               = 0
[pid 19095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19095] write(3, "1000", 4)         = 4
[pid 19095] close(3)                    = 0
[pid 19095] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  258.474709][T19091] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19095] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19095] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19095] close(5)                    = 0
[pid 19095] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19098 attached
) = 19098
[pid 19095] tkill(19098, SIGSTOP)       = 0
[pid 19098] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19095, si_uid=65534} ---
[pid 19095] exit_group(0)               = ?
[pid 19098] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19098, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19095] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19095, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19099 attached
, child_tidptr=0x5555574e8650) = 19099
[pid 19099] set_robust_list(0x5555574e8660, 24) = 0
[pid 19099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19099] setpgid(0, 0)               = 0
[pid 19099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  258.543320][T19095] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19099] write(3, "1000", 4)         = 4
[pid 19099] close(3)                    = 0
[pid 19099] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19099] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19099] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19099] close(5)                    = 0
[pid 19099] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19102 attached
) = 19102
[pid 19099] tkill(19102, SIGSTOP)       = 0
[pid 19102] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19099, si_uid=65534} ---
[pid 19099] exit_group(0 <unfinished ...>
[pid 19102] --- stopped by SIGSTOP ---
[pid 19099] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19102, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19099] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19103 attached
, child_tidptr=0x5555574e8650) = 19103
[pid 19103] set_robust_list(0x5555574e8660, 24) = 0
[pid 19103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19103] setpgid(0, 0)               = 0
[pid 19103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19103] write(3, "1000", 4)         = 4
[pid 19103] close(3)                    = 0
[  258.621270][T19099] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19103] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19103] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19103] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19103] close(5)                    = 0
[pid 19103] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19106 attached
) = 19106
[pid 19103] tkill(19106, SIGSTOP)       = 0
[pid 19106] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19103, si_uid=65534} ---
[pid 19103] exit_group(0 <unfinished ...>
[pid 19106] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19106, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19103] <... exit_group resumed>)   = ?
[pid 19103] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19107 attached
, child_tidptr=0x5555574e8650) = 19107
[pid 19107] set_robust_list(0x5555574e8660, 24) = 0
[pid 19107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19107] setpgid(0, 0)               = 0
[pid 19107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19107] write(3, "1000", 4)         = 4
[pid 19107] close(3)                    = 0
[  258.691945][T19103] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19107] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19107] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19107] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19107] close(5)                    = 0
[pid 19107] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19110 attached
) = 19110
[pid 19107] tkill(19110, SIGSTOP)       = 0
[pid 19110] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19107, si_uid=65534} ---
[pid 19107] exit_group(0 <unfinished ...>
[pid 19110] --- stopped by SIGSTOP ---
[pid 19107] <... exit_group resumed>)   = ?
[pid 19107] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19110, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19111 attached
, child_tidptr=0x5555574e8650) = 19111
[pid 19111] set_robust_list(0x5555574e8660, 24) = 0
[pid 19111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19111] setpgid(0, 0)               = 0
[  258.760344][T19107] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19111] write(3, "1000", 4)         = 4
[pid 19111] close(3)                    = 0
[pid 19111] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19111] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19111] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19111] close(5)                    = 0
[pid 19111] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19114 attached
) = 19114
[pid 19111] tkill(19114, SIGSTOP)       = 0
[pid 19114] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19111, si_uid=65534} ---
[pid 19111] exit_group(0 <unfinished ...>
[pid 19114] --- stopped by SIGSTOP ---
[pid 19111] <... exit_group resumed>)   = ?
[pid 19111] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19114, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19115 attached
, child_tidptr=0x5555574e8650) = 19115
[pid 19115] set_robust_list(0x5555574e8660, 24) = 0
[pid 19115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19115] setpgid(0, 0)               = 0
[pid 19115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19115] write(3, "1000", 4)         = 4
[pid 19115] close(3)                    = 0
[pid 19115] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19115] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  258.837751][T19111] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19115] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19115] close(5)                    = 0
[pid 19115] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19118 attached
) = 19118
[pid 19115] tkill(19118, SIGSTOP)       = 0
[pid 19118] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19115, si_uid=65534} ---
[pid 19115] exit_group(0 <unfinished ...>
[pid 19118] --- stopped by SIGSTOP ---
[pid 19115] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19118, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19115] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19119 attached
, child_tidptr=0x5555574e8650) = 19119
[pid 19119] set_robust_list(0x5555574e8660, 24) = 0
[pid 19119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19119] setpgid(0, 0)               = 0
[pid 19119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19119] write(3, "1000", 4)         = 4
[pid 19119] close(3)                    = 0
[pid 19119] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  258.900242][T19115] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19119] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19119] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19119] close(5)                    = 0
[pid 19119] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19122 attached
) = 19122
[pid 19119] tkill(19122, SIGSTOP)       = 0
[pid 19122] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19119, si_uid=65534} ---
[pid 19119] exit_group(0 <unfinished ...>
[pid 19122] --- stopped by SIGSTOP ---
[pid 19119] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19122, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19119] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19123 attached
, child_tidptr=0x5555574e8650) = 19123
[pid 19123] set_robust_list(0x5555574e8660, 24) = 0
[pid 19123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19123] setpgid(0, 0)               = 0
[pid 19123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  258.965911][T19119] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19123] write(3, "1000", 4)         = 4
[pid 19123] close(3)                    = 0
[pid 19123] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19123] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19123] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19123] close(5)                    = 0
[pid 19123] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19126 attached
) = 19126
[pid 19123] tkill(19126, SIGSTOP)       = 0
[pid 19123] exit_group(0 <unfinished ...>
[pid 19126] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19123, si_uid=65534} ---
[pid 19123] <... exit_group resumed>)   = ?
[pid 19126] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19126, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19123] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19127 attached
, child_tidptr=0x5555574e8650) = 19127
[pid 19127] set_robust_list(0x5555574e8660, 24) = 0
[pid 19127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19127] setpgid(0, 0)               = 0
[pid 19127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19127] write(3, "1000", 4)         = 4
[pid 19127] close(3)                    = 0
[  259.041559][T19123] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19127] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19127] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19127] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19127] close(5)                    = 0
[pid 19127] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19130 attached
) = 19130
[pid 19127] tkill(19130, SIGSTOP)       = 0
[pid 19130] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19127, si_uid=65534} ---
[pid 19127] exit_group(0 <unfinished ...>
[pid 19130] --- stopped by SIGSTOP ---
[pid 19127] <... exit_group resumed>)   = ?
[pid 19127] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19130, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19131 attached
, child_tidptr=0x5555574e8650) = 19131
[pid 19131] set_robust_list(0x5555574e8660, 24) = 0
[pid 19131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19131] setpgid(0, 0)               = 0
[pid 19131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19131] write(3, "1000", 4)         = 4
[pid 19131] close(3)                    = 0
[  259.111597][T19127] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19131] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19131] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19131] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19131] close(5)                    = 0
[pid 19131] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19134 attached
) = 19134
[pid 19131] tkill(19134, SIGSTOP)       = 0
[pid 19134] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19131, si_uid=65534} ---
[pid 19131] exit_group(0 <unfinished ...>
[pid 19134] --- stopped by SIGSTOP ---
[pid 19131] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19134, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19131] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19135 attached
, child_tidptr=0x5555574e8650) = 19135
[pid 19135] set_robust_list(0x5555574e8660, 24) = 0
[pid 19135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19135] setpgid(0, 0)               = 0
[pid 19135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19135] write(3, "1000", 4)         = 4
[pid 19135] close(3)                    = 0
[pid 19135] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19135] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  259.180584][T19131] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19135] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19135] close(5)                    = 0
[pid 19135] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19138 attached
) = 19138
[pid 19135] tkill(19138, SIGSTOP)       = 0
[pid 19138] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19135, si_uid=65534} ---
[pid 19135] exit_group(0 <unfinished ...>
[pid 19138] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19138, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19135] <... exit_group resumed>)   = ?
[pid 19135] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19135, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19139 attached
, child_tidptr=0x5555574e8650) = 19139
[pid 19139] set_robust_list(0x5555574e8660, 24) = 0
[pid 19139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19139] setpgid(0, 0)               = 0
[pid 19139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19139] write(3, "1000", 4)         = 4
[pid 19139] close(3)                    = 0
[pid 19139] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19139] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  259.244377][T19135] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19139] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19139] close(5)                    = 0
[pid 19139] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19142 attached
) = 19142
[pid 19139] tkill(19142, SIGSTOP)       = 0
[pid 19139] exit_group(0 <unfinished ...>
[pid 19142] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19139, si_uid=65534} ---
[pid 19139] <... exit_group resumed>)   = ?
[pid 19142] --- stopped by SIGSTOP ---
[pid 19139] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19142, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19143 attached
, child_tidptr=0x5555574e8650) = 19143
[pid 19143] set_robust_list(0x5555574e8660, 24) = 0
[pid 19143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19143] setpgid(0, 0)               = 0
[pid 19143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19143] write(3, "1000", 4)         = 4
[pid 19143] close(3)                    = 0
[pid 19143] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19143] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  259.309492][T19139] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19143] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19143] close(5)                    = 0
[pid 19143] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19146 attached
) = 19146
[pid 19143] tkill(19146, SIGSTOP)       = 0
[pid 19146] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19143, si_uid=65534} ---
[pid 19143] exit_group(0 <unfinished ...>
[pid 19146] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19146, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19143] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 19143] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19147 attached
, child_tidptr=0x5555574e8650) = 19147
[pid 19147] set_robust_list(0x5555574e8660, 24) = 0
[pid 19147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  259.369240][T19143] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19147] setpgid(0, 0)               = 0
[pid 19147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19147] write(3, "1000", 4)         = 4
[pid 19147] close(3)                    = 0
[pid 19147] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19147] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19147] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19147] close(5)                    = 0
[pid 19147] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19150 attached
) = 19150
[pid 19147] tkill(19150, SIGSTOP)       = 0
[pid 19150] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19147, si_uid=65534} ---
[pid 19147] exit_group(0 <unfinished ...>
[pid 19150] --- stopped by SIGSTOP ---
[pid 19147] <... exit_group resumed>)   = ?
[pid 19147] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19150, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19151 attached
, child_tidptr=0x5555574e8650) = 19151
[pid 19151] set_robust_list(0x5555574e8660, 24) = 0
[pid 19151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19151] setpgid(0, 0)               = 0
[pid 19151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19151] write(3, "1000", 4)         = 4
[pid 19151] close(3)                    = 0
[pid 19151] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  259.453244][T19147] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19151] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19151] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19151] close(5)                    = 0
[pid 19151] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19154 attached
) = 19154
[pid 19151] tkill(19154, SIGSTOP)       = 0
[pid 19154] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19151, si_uid=65534} ---
[pid 19151] exit_group(0 <unfinished ...>
[pid 19154] --- stopped by SIGSTOP ---
[pid 19151] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19154, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19151] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19155 attached
, child_tidptr=0x5555574e8650) = 19155
[pid 19155] set_robust_list(0x5555574e8660, 24) = 0
[  259.520896][T19151] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19155] setpgid(0, 0)               = 0
[pid 19155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19155] write(3, "1000", 4)         = 4
[pid 19155] close(3)                    = 0
[pid 19155] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19155] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19155] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19155] close(5)                    = 0
[pid 19155] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19158 attached
) = 19158
[pid 19155] tkill(19158, SIGSTOP)       = 0
[pid 19158] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19155, si_uid=65534} ---
[pid 19155] exit_group(0 <unfinished ...>
[pid 19158] --- stopped by SIGSTOP ---
[pid 19155] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19158, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19155] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19155, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19159 attached
, child_tidptr=0x5555574e8650) = 19159
[pid 19159] set_robust_list(0x5555574e8660, 24) = 0
[pid 19159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19159] setpgid(0, 0)               = 0
[pid 19159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19159] write(3, "1000", 4)         = 4
[pid 19159] close(3)                    = 0
[pid 19159] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  259.604991][T19155] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19159] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19159] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19159] close(5)                    = 0
[pid 19159] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19162 attached
) = 19162
[pid 19159] tkill(19162, SIGSTOP)       = 0
[pid 19162] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19159, si_uid=65534} ---
[pid 19159] exit_group(0 <unfinished ...>
[pid 19162] --- stopped by SIGSTOP ---
[pid 19159] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19162, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19159] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19159, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19163 attached
, child_tidptr=0x5555574e8650) = 19163
[pid 19163] set_robust_list(0x5555574e8660, 24) = 0
[pid 19163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19163] setpgid(0, 0)               = 0
[pid 19163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19163] write(3, "1000", 4)         = 4
[pid 19163] close(3)                    = 0
[pid 19163] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  259.671719][T19159] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19163] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19163] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19163] close(5)                    = 0
[pid 19163] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19166 attached
) = 19166
[pid 19163] tkill(19166, SIGSTOP)       = 0
[pid 19166] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19163, si_uid=65534} ---
[pid 19163] exit_group(0 <unfinished ...>
[pid 19166] --- stopped by SIGSTOP ---
[pid 19163] <... exit_group resumed>)   = ?
[pid 19163] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19166, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19167 attached
, child_tidptr=0x5555574e8650) = 19167
[pid 19167] set_robust_list(0x5555574e8660, 24) = 0
[pid 19167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19167] setpgid(0, 0)               = 0
[pid 19167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19167] write(3, "1000", 4)         = 4
[pid 19167] close(3)                    = 0
[pid 19167] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  259.738456][T19163] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19167] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19167] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19167] close(5)                    = 0
[pid 19167] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19170 attached
) = 19170
[pid 19167] tkill(19170, SIGSTOP)       = 0
[pid 19170] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19167, si_uid=65534} ---
[pid 19167] exit_group(0 <unfinished ...>
[pid 19170] --- stopped by SIGSTOP ---
[pid 19167] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19170, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19167] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19167, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19171 attached
, child_tidptr=0x5555574e8650) = 19171
[pid 19171] set_robust_list(0x5555574e8660, 24) = 0
[pid 19171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19171] setpgid(0, 0)               = 0
[  259.805575][T19167] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19171] write(3, "1000", 4)         = 4
[pid 19171] close(3)                    = 0
[pid 19171] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19171] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19171] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19171] close(5)                    = 0
[pid 19171] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19174 attached
) = 19174
[pid 19171] tkill(19174, SIGSTOP)       = 0
[pid 19174] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19171, si_uid=65534} ---
[pid 19171] exit_group(0 <unfinished ...>
[pid 19174] --- stopped by SIGSTOP ---
[pid 19171] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19174, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19171] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19171, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19175 attached
, child_tidptr=0x5555574e8650) = 19175
[pid 19175] set_robust_list(0x5555574e8660, 24) = 0
[pid 19175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19175] setpgid(0, 0)               = 0
[pid 19175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  259.885232][T19171] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19175] write(3, "1000", 4)         = 4
[pid 19175] close(3)                    = 0
[pid 19175] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19175] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19175] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19175] close(5)                    = 0
[pid 19175] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19178 attached
) = 19178
[pid 19175] tkill(19178, SIGSTOP)       = 0
[pid 19178] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19175, si_uid=65534} ---
[pid 19175] exit_group(0 <unfinished ...>
[pid 19178] --- stopped by SIGSTOP ---
[pid 19175] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19178, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19175] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19175, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19179 attached
, child_tidptr=0x5555574e8650) = 19179
[pid 19179] set_robust_list(0x5555574e8660, 24) = 0
[pid 19179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19179] setpgid(0, 0)               = 0
[pid 19179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19179] write(3, "1000", 4)         = 4
[pid 19179] close(3)                    = 0
[pid 19179] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  259.962880][T19175] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19179] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19179] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19179] close(5)                    = 0
[pid 19179] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19182 attached
) = 19182
[pid 19179] tkill(19182, SIGSTOP)       = 0
[pid 19182] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19179, si_uid=65534} ---
[pid 19179] exit_group(0 <unfinished ...>
[pid 19182] --- stopped by SIGSTOP ---
[pid 19179] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19182, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19179] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19179, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19183 attached
, child_tidptr=0x5555574e8650) = 19183
[pid 19183] set_robust_list(0x5555574e8660, 24) = 0
[  260.028770][T19179] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19183] setpgid(0, 0)               = 0
[pid 19183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19183] write(3, "1000", 4)         = 4
[pid 19183] close(3)                    = 0
[pid 19183] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19183] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19183] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19183] close(5)                    = 0
[pid 19183] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19186 attached
) = 19186
[pid 19183] tkill(19186, SIGSTOP)       = 0
[pid 19186] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19183, si_uid=65534} ---
[pid 19183] exit_group(0 <unfinished ...>
[pid 19186] --- stopped by SIGSTOP ---
[pid 19183] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19186, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19183] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19187 attached
, child_tidptr=0x5555574e8650) = 19187
[pid 19187] set_robust_list(0x5555574e8660, 24) = 0
[pid 19187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19187] setpgid(0, 0)               = 0
[  260.116533][T19183] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19187] write(3, "1000", 4)         = 4
[pid 19187] close(3)                    = 0
[pid 19187] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19187] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19187] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19187] close(5)                    = 0
[pid 19187] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19190 attached
) = 19190
[pid 19187] tkill(19190, SIGSTOP)       = 0
[pid 19190] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19187, si_uid=65534} ---
[pid 19187] exit_group(0 <unfinished ...>
[pid 19190] --- stopped by SIGSTOP ---
[pid 19187] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19190, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19187] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19191 attached
, child_tidptr=0x5555574e8650) = 19191
[pid 19191] set_robust_list(0x5555574e8660, 24) = 0
[pid 19191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19191] setpgid(0, 0)               = 0
[pid 19191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19191] write(3, "1000", 4)         = 4
[pid 19191] close(3)                    = 0
[pid 19191] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.196962][T19187] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19191] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19191] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19191] close(5)                    = 0
[pid 19191] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19194 attached
) = 19194
[pid 19191] tkill(19194, SIGSTOP)       = 0
[pid 19194] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19191, si_uid=65534} ---
[pid 19191] exit_group(0 <unfinished ...>
[pid 19194] --- stopped by SIGSTOP ---
[pid 19191] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19194, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19191] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19191, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19195 attached
, child_tidptr=0x5555574e8650) = 19195
[pid 19195] set_robust_list(0x5555574e8660, 24) = 0
[pid 19195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19195] setpgid(0, 0)               = 0
[pid 19195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  260.264925][T19191] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19195] write(3, "1000", 4)         = 4
[pid 19195] close(3)                    = 0
[pid 19195] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19195] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19195] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19195] close(5)                    = 0
[pid 19195] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19198 attached
) = 19198
[pid 19195] tkill(19198, SIGSTOP)       = 0
[pid 19198] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19195, si_uid=65534} ---
[pid 19195] exit_group(0 <unfinished ...>
[pid 19198] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19198, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19195] <... exit_group resumed>)   = ?
[pid 19195] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19195, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19199 attached
, child_tidptr=0x5555574e8650) = 19199
[pid 19199] set_robust_list(0x5555574e8660, 24) = 0
[pid 19199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19199] setpgid(0, 0)               = 0
[pid 19199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19199] write(3, "1000", 4)         = 4
[pid 19199] close(3)                    = 0
[pid 19199] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.342057][T19195] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19199] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19199] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19199] close(5)                    = 0
[pid 19199] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19202 attached
) = 19202
[pid 19199] tkill(19202, SIGSTOP)       = 0
[pid 19202] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19199, si_uid=65534} ---
[pid 19199] exit_group(0 <unfinished ...>
[pid 19202] --- stopped by SIGSTOP ---
[pid 19199] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19202, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19199] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19203 attached
, child_tidptr=0x5555574e8650) = 19203
[pid 19203] set_robust_list(0x5555574e8660, 24) = 0
[pid 19203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19203] setpgid(0, 0)               = 0
[  260.408424][T19199] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19203] write(3, "1000", 4)         = 4
[pid 19203] close(3)                    = 0
[pid 19203] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19203] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19203] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19203] close(5)                    = 0
[pid 19203] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19206 attached
) = 19206
[pid 19203] tkill(19206, SIGSTOP)       = 0
[pid 19206] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19203, si_uid=65534} ---
[pid 19203] exit_group(0 <unfinished ...>
[pid 19206] --- stopped by SIGSTOP ---
[pid 19203] <... exit_group resumed>)   = ?
[pid 19203] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19206, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19207 attached
, child_tidptr=0x5555574e8650) = 19207
[pid 19207] set_robust_list(0x5555574e8660, 24) = 0
[pid 19207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19207] setpgid(0, 0)               = 0
[pid 19207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19207] write(3, "1000", 4)         = 4
[pid 19207] close(3)                    = 0
[pid 19207] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.487814][T19203] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19207] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19207] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19207] close(5)                    = 0
[pid 19207] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19210 attached
) = 19210
[pid 19207] tkill(19210, SIGSTOP)       = 0
[pid 19210] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19207, si_uid=65534} ---
[pid 19207] exit_group(0 <unfinished ...>
[pid 19210] --- stopped by SIGSTOP ---
[pid 19207] <... exit_group resumed>)   = ?
[pid 19207] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19210, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19211 attached
, child_tidptr=0x5555574e8650) = 19211
[pid 19211] set_robust_list(0x5555574e8660, 24) = 0
[pid 19211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19211] setpgid(0, 0)               = 0
[pid 19211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19211] write(3, "1000", 4)         = 4
[pid 19211] close(3)                    = 0
[pid 19211] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.555275][T19207] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19211] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19211] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19211] close(5)                    = 0
[pid 19211] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19214 attached
) = 19214
[pid 19211] tkill(19214, SIGSTOP)       = 0
[pid 19214] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19211, si_uid=65534} ---
[pid 19214] --- stopped by SIGSTOP ---
[pid 19211] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19214, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19211] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19211, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19215 attached
, child_tidptr=0x5555574e8650) = 19215
[pid 19215] set_robust_list(0x5555574e8660, 24) = 0
[pid 19215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19215] setpgid(0, 0)               = 0
[pid 19215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19215] write(3, "1000", 4)         = 4
[pid 19215] close(3)                    = 0
[pid 19215] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.624775][T19211] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19215] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19215] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19215] close(5)                    = 0
[pid 19215] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19218 attached
) = 19218
[pid 19215] tkill(19218, SIGSTOP)       = 0
[pid 19218] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19215, si_uid=65534} ---
[pid 19215] exit_group(0 <unfinished ...>
[pid 19218] --- stopped by SIGSTOP ---
[pid 19215] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19218, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19215] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19215, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19219 attached
, child_tidptr=0x5555574e8650) = 19219
[pid 19219] set_robust_list(0x5555574e8660, 24) = 0
[pid 19219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19219] setpgid(0, 0)               = 0
[pid 19219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19219] write(3, "1000", 4)         = 4
[pid 19219] close(3)                    = 0
[pid 19219] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19219] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  260.691814][T19215] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19219] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19219] close(5)                    = 0
[pid 19219] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19222 attached
) = 19222
[pid 19219] tkill(19222, SIGSTOP)       = 0
[pid 19219] exit_group(0 <unfinished ...>
[pid 19222] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19219, si_uid=65534} ---
[pid 19219] <... exit_group resumed>)   = ?
[pid 19222] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19222, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19219] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19223 attached
, child_tidptr=0x5555574e8650) = 19223
[pid 19223] set_robust_list(0x5555574e8660, 24) = 0
[pid 19223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19223] setpgid(0, 0)               = 0
[pid 19223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19223] write(3, "1000", 4)         = 4
[pid 19223] close(3)                    = 0
[pid 19223] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19223] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  260.755229][T19219] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19223] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19223] close(5)                    = 0
[pid 19223] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19226 attached
) = 19226
[pid 19223] tkill(19226, SIGSTOP)       = 0
[pid 19226] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19223, si_uid=65534} ---
[pid 19223] exit_group(0 <unfinished ...>
[pid 19226] --- stopped by SIGSTOP ---
[pid 19223] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19226, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19223] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19223, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19227 attached
, child_tidptr=0x5555574e8650) = 19227
[pid 19227] set_robust_list(0x5555574e8660, 24) = 0
[pid 19227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19227] setpgid(0, 0)               = 0
[pid 19227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19227] write(3, "1000", 4)         = 4
[pid 19227] close(3)                    = 0
[pid 19227] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.820193][T19223] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19227] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19227] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19227] close(5)                    = 0
[pid 19227] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19230 attached
) = 19230
[pid 19227] tkill(19230, SIGSTOP)       = 0
[pid 19230] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19227, si_uid=65534} ---
[pid 19227] exit_group(0 <unfinished ...>
[pid 19230] --- stopped by SIGSTOP ---
[pid 19227] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19230, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19227] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19227, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19231 attached
, child_tidptr=0x5555574e8650) = 19231
[pid 19231] set_robust_list(0x5555574e8660, 24) = 0
[pid 19231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19231] setpgid(0, 0)               = 0
[pid 19231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  260.885415][T19227] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19231] write(3, "1000", 4)         = 4
[pid 19231] close(3)                    = 0
[pid 19231] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19231] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19231] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19231] close(5)                    = 0
[pid 19231] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19234 attached
) = 19234
[pid 19231] tkill(19234, SIGSTOP)       = 0
[pid 19231] exit_group(0 <unfinished ...>
[pid 19234] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19231, si_uid=65534} ---
[pid 19231] <... exit_group resumed>)   = ?
[pid 19234] --- stopped by SIGSTOP ---
[pid 19231] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19234, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19235 attached
, child_tidptr=0x5555574e8650) = 19235
[pid 19235] set_robust_list(0x5555574e8660, 24) = 0
[pid 19235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19235] setpgid(0, 0)               = 0
[pid 19235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19235] write(3, "1000", 4)         = 4
[pid 19235] close(3)                    = 0
[pid 19235] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  260.962557][T19231] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19235] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19235] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19235] close(5)                    = 0
[pid 19235] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19238 attached
) = 19238
[pid 19235] tkill(19238, SIGSTOP)       = 0
[pid 19235] exit_group(0 <unfinished ...>
[pid 19238] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19235, si_uid=65534} ---
[pid 19235] <... exit_group resumed>)   = ?
[pid 19238] --- stopped by SIGSTOP ---
[pid 19235] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19238, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19239 attached
, child_tidptr=0x5555574e8650) = 19239
[pid 19239] set_robust_list(0x5555574e8660, 24) = 0
[pid 19239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19239] setpgid(0, 0)               = 0
[pid 19239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19239] write(3, "1000", 4)         = 4
[pid 19239] close(3)                    = 0
[pid 19239] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19239] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  261.029694][T19235] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19239] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19239] close(5)                    = 0
[pid 19239] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19242 attached
) = 19242
[pid 19239] tkill(19242, SIGSTOP)       = 0
[pid 19242] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19239, si_uid=65534} ---
[pid 19239] exit_group(0 <unfinished ...>
[pid 19242] --- stopped by SIGSTOP ---
[pid 19239] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19242, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19239] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19239, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19243 attached
, child_tidptr=0x5555574e8650) = 19243
[pid 19243] set_robust_list(0x5555574e8660, 24) = 0
[pid 19243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19243] setpgid(0, 0)               = 0
[pid 19243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19243] write(3, "1000", 4)         = 4
[pid 19243] close(3)                    = 0
[  261.090809][T19239] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19243] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19243] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19243] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19243] close(5)                    = 0
[pid 19243] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19246 attached
) = 19246
[pid 19243] tkill(19246, SIGSTOP)       = 0
[pid 19246] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19243, si_uid=65534} ---
[pid 19243] exit_group(0 <unfinished ...>
[pid 19246] --- stopped by SIGSTOP ---
[pid 19243] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19246, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19243] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19247 attached
, child_tidptr=0x5555574e8650) = 19247
[pid 19247] set_robust_list(0x5555574e8660, 24) = 0
[pid 19247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19247] setpgid(0, 0)               = 0
[pid 19247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  261.159433][T19243] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19247] write(3, "1000", 4)         = 4
[pid 19247] close(3)                    = 0
[pid 19247] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19247] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19247] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19247] close(5)                    = 0
[pid 19247] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19250 attached
) = 19250
[pid 19247] tkill(19250, SIGSTOP)       = 0
[pid 19250] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19247, si_uid=65534} ---
[pid 19247] exit_group(0 <unfinished ...>
[pid 19250] --- stopped by SIGSTOP ---
[pid 19247] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19250, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19247] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19251 attached
, child_tidptr=0x5555574e8650) = 19251
[pid 19251] set_robust_list(0x5555574e8660, 24) = 0
[pid 19251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19251] setpgid(0, 0)               = 0
[pid 19251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19251] write(3, "1000", 4)         = 4
[pid 19251] close(3)                    = 0
[pid 19251] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.238393][T19247] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19251] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19251] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19251] close(5)                    = 0
[pid 19251] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19254 attached
) = 19254
[pid 19251] tkill(19254, SIGSTOP)       = 0
[pid 19254] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19251, si_uid=65534} ---
[pid 19251] exit_group(0 <unfinished ...>
[pid 19254] --- stopped by SIGSTOP ---
[pid 19251] <... exit_group resumed>)   = ?
[pid 19251] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19254, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19255 attached
, child_tidptr=0x5555574e8650) = 19255
[pid 19255] set_robust_list(0x5555574e8660, 24) = 0
[pid 19255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19255] setpgid(0, 0)               = 0
[pid 19255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19255] write(3, "1000", 4)         = 4
[pid 19255] close(3)                    = 0
[pid 19255] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.303219][T19251] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19255] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19255] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19255] close(5)                    = 0
[pid 19255] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19258 attached
) = 19258
[pid 19255] tkill(19258, SIGSTOP)       = 0
[pid 19258] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19255, si_uid=65534} ---
[pid 19255] exit_group(0 <unfinished ...>
[pid 19258] --- stopped by SIGSTOP ---
[pid 19255] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19258, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19255] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19255, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19259 attached
, child_tidptr=0x5555574e8650) = 19259
[pid 19259] set_robust_list(0x5555574e8660, 24) = 0
[pid 19259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19259] setpgid(0, 0)               = 0
[pid 19259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19259] write(3, "1000", 4)         = 4
[pid 19259] close(3)                    = 0
[  261.371913][T19255] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19259] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19259] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19259] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19259] close(5)                    = 0
[pid 19259] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19262 attached
) = 19262
[pid 19259] tkill(19262, SIGSTOP)       = 0
[pid 19262] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19259, si_uid=65534} ---
[pid 19259] exit_group(0 <unfinished ...>
[pid 19262] --- stopped by SIGSTOP ---
[pid 19259] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19262, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19259] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19263 attached
, child_tidptr=0x5555574e8650) = 19263
[pid 19263] set_robust_list(0x5555574e8660, 24) = 0
[pid 19263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19263] setpgid(0, 0)               = 0
[pid 19263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19263] write(3, "1000", 4)         = 4
[pid 19263] close(3)                    = 0
[  261.441243][T19259] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19263] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19263] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19263] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19263] close(5)                    = 0
[pid 19263] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19266 attached
) = 19266
[pid 19263] tkill(19266, SIGSTOP)       = 0
[pid 19266] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19263, si_uid=65534} ---
[pid 19263] exit_group(0 <unfinished ...>
[pid 19266] --- stopped by SIGSTOP ---
[pid 19263] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19266, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19263] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19263, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19267 attached
, child_tidptr=0x5555574e8650) = 19267
[pid 19267] set_robust_list(0x5555574e8660, 24) = 0
[pid 19267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19267] setpgid(0, 0)               = 0
[pid 19267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19267] write(3, "1000", 4)         = 4
[pid 19267] close(3)                    = 0
[pid 19267] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.511060][T19263] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19267] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19267] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19267] close(5)                    = 0
[pid 19267] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19270 attached
) = 19270
[pid 19267] tkill(19270, SIGSTOP)       = 0
[pid 19270] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19267, si_uid=65534} ---
[pid 19267] exit_group(0 <unfinished ...>
[pid 19270] --- stopped by SIGSTOP ---
[pid 19267] <... exit_group resumed>)   = ?
[pid 19267] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19270, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19271 attached
, child_tidptr=0x5555574e8650) = 19271
[pid 19271] set_robust_list(0x5555574e8660, 24) = 0
[pid 19271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19271] setpgid(0, 0)               = 0
[pid 19271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19271] write(3, "1000", 4)         = 4
[pid 19271] close(3)                    = 0
[pid 19271] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.577220][T19267] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19271] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19271] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19271] close(5)                    = 0
[pid 19271] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19274 attached
) = 19274
[pid 19271] tkill(19274, SIGSTOP)       = 0
[pid 19274] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19271, si_uid=65534} ---
[pid 19271] exit_group(0 <unfinished ...>
[pid 19274] --- stopped by SIGSTOP ---
[pid 19271] <... exit_group resumed>)   = ?
[pid 19271] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19274, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19275 attached
, child_tidptr=0x5555574e8650) = 19275
[pid 19275] set_robust_list(0x5555574e8660, 24) = 0
[pid 19275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19275] setpgid(0, 0)               = 0
[pid 19275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19275] write(3, "1000", 4)         = 4
[pid 19275] close(3)                    = 0
[pid 19275] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19275] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  261.645381][T19271] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19275] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19275] close(5)                    = 0
[pid 19275] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19278 attached
) = 19278
[pid 19275] tkill(19278, SIGSTOP)       = 0
[pid 19275] exit_group(0 <unfinished ...>
[pid 19278] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19275, si_uid=65534} ---
[pid 19275] <... exit_group resumed>)   = ?
[pid 19278] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19278, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19275] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19279 attached
, child_tidptr=0x5555574e8650) = 19279
[pid 19279] set_robust_list(0x5555574e8660, 24) = 0
[pid 19279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19279] setpgid(0, 0)               = 0
[pid 19279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19279] write(3, "1000", 4)         = 4
[pid 19279] close(3)                    = 0
[pid 19279] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.710461][T19275] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19279] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19279] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19279] close(5)                    = 0
[pid 19279] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19282 attached
) = 19282
[pid 19279] tkill(19282, SIGSTOP)       = 0
[pid 19282] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19279, si_uid=65534} ---
[pid 19279] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19282, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19282] --- stopped by SIGSTOP ---
[pid 19279] <... exit_group resumed>)   = ?
[pid 19279] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19279, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19283 attached
, child_tidptr=0x5555574e8650) = 19283
[pid 19283] set_robust_list(0x5555574e8660, 24) = 0
[pid 19283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19283] setpgid(0, 0)               = 0
[pid 19283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19283] write(3, "1000", 4)         = 4
[pid 19283] close(3)                    = 0
[  261.774893][T19279] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19283] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19283] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19283] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19283] close(5)                    = 0
[pid 19283] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19286 attached
) = 19286
[pid 19283] tkill(19286, SIGSTOP)       = 0
[pid 19286] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19283, si_uid=65534} ---
[pid 19283] exit_group(0 <unfinished ...>
[pid 19286] --- stopped by SIGSTOP ---
[pid 19283] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19286, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19283] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19283, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19287 attached
, child_tidptr=0x5555574e8650) = 19287
[pid 19287] set_robust_list(0x5555574e8660, 24) = 0
[pid 19287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19287] setpgid(0, 0)               = 0
[pid 19287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19287] write(3, "1000", 4)         = 4
[pid 19287] close(3)                    = 0
[  261.844246][T19283] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19287] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19287] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19287] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19287] close(5)                    = 0
[pid 19287] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19290 attached
) = 19290
[pid 19287] tkill(19290, SIGSTOP)       = 0
[pid 19290] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19287, si_uid=65534} ---
[pid 19287] exit_group(0 <unfinished ...>
[pid 19290] --- stopped by SIGSTOP ---
[pid 19287] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19290, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19287] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19287, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19291 attached
, child_tidptr=0x5555574e8650) = 19291
[pid 19291] set_robust_list(0x5555574e8660, 24) = 0
[pid 19291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19291] setpgid(0, 0)               = 0
[pid 19291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19291] write(3, "1000", 4)         = 4
[pid 19291] close(3)                    = 0
[pid 19291] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  261.913002][T19287] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19291] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19291] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19291] close(5)                    = 0
[pid 19291] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19294 attached
) = 19294
[pid 19291] tkill(19294, SIGSTOP)       = 0
[pid 19294] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19291, si_uid=65534} ---
[pid 19291] exit_group(0)               = ?
[pid 19294] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19294, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19291] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19295 attached
, child_tidptr=0x5555574e8650) = 19295
[pid 19295] set_robust_list(0x5555574e8660, 24) = 0
[pid 19295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19295] setpgid(0, 0)               = 0
[pid 19295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  261.976735][T19291] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19295] write(3, "1000", 4)         = 4
[pid 19295] close(3)                    = 0
[pid 19295] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19295] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19295] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19295] close(5)                    = 0
[pid 19295] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19298 attached
) = 19298
[pid 19295] tkill(19298, SIGSTOP)       = 0
[pid 19295] exit_group(0 <unfinished ...>
[pid 19298] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19295, si_uid=65534} ---
[pid 19295] <... exit_group resumed>)   = ?
[pid 19298] --- stopped by SIGSTOP ---
[pid 19295] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19298, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19299 attached
, child_tidptr=0x5555574e8650) = 19299
[pid 19299] set_robust_list(0x5555574e8660, 24) = 0
[pid 19299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19299] setpgid(0, 0)               = 0
[  262.052485][T19295] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19299] write(3, "1000", 4)         = 4
[pid 19299] close(3)                    = 0
[pid 19299] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19299] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19299] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19299] close(5)                    = 0
[pid 19299] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19302 attached
) = 19302
[pid 19299] tkill(19302, SIGSTOP)       = 0
[pid 19302] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19299, si_uid=65534} ---
[pid 19299] exit_group(0 <unfinished ...>
[pid 19302] --- stopped by SIGSTOP ---
[pid 19299] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19302, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19299] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19299, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19303 attached
, child_tidptr=0x5555574e8650) = 19303
[pid 19303] set_robust_list(0x5555574e8660, 24) = 0
[pid 19303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19303] setpgid(0, 0)               = 0
[pid 19303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19303] write(3, "1000", 4)         = 4
[pid 19303] close(3)                    = 0
[  262.134684][T19299] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19303] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19303] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19303] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19303] close(5)                    = 0
[pid 19303] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19306 attached
) = 19306
[pid 19303] tkill(19306, SIGSTOP)       = 0
[pid 19306] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19303, si_uid=65534} ---
[pid 19306] --- stopped by SIGSTOP ---
[pid 19303] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19306, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19303] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19303, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19307 attached
, child_tidptr=0x5555574e8650) = 19307
[pid 19307] set_robust_list(0x5555574e8660, 24) = 0
[pid 19307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19307] setpgid(0, 0)               = 0
[pid 19307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19307] write(3, "1000", 4)         = 4
[pid 19307] close(3)                    = 0
[pid 19307] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19307] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  262.202895][T19303] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19307] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19307] close(5)                    = 0
[pid 19307] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19310 attached
) = 19310
[pid 19307] tkill(19310, SIGSTOP)       = 0
[pid 19310] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19307, si_uid=65534} ---
[pid 19307] exit_group(0 <unfinished ...>
[pid 19310] --- stopped by SIGSTOP ---
[pid 19307] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19310, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19307] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19311 attached
, child_tidptr=0x5555574e8650) = 19311
[pid 19311] set_robust_list(0x5555574e8660, 24) = 0
[pid 19311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19311] setpgid(0, 0)               = 0
[pid 19311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19311] write(3, "1000", 4)         = 4
[pid 19311] close(3)                    = 0
[pid 19311] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19311] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  262.268212][T19307] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19311] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19311] close(5)                    = 0
[pid 19311] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19314 attached
) = 19314
[pid 19311] tkill(19314, SIGSTOP)       = 0
[pid 19314] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19311, si_uid=65534} ---
[pid 19311] exit_group(0 <unfinished ...>
[pid 19314] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19314, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19311] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19311] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19315 attached
, child_tidptr=0x5555574e8650) = 19315
[pid 19315] set_robust_list(0x5555574e8660, 24) = 0
[pid 19315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19315] setpgid(0, 0)               = 0
[pid 19315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19315] write(3, "1000", 4)         = 4
[pid 19315] close(3)                    = 0
[  262.332857][T19311] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19315] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19315] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19315] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19315] close(5)                    = 0
[pid 19315] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19318 attached
) = 19318
[pid 19315] tkill(19318, SIGSTOP)       = 0
[pid 19318] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19315, si_uid=65534} ---
[pid 19315] exit_group(0 <unfinished ...>
[pid 19318] --- stopped by SIGSTOP ---
[pid 19315] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19318, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19315] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19315, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19319 attached
, child_tidptr=0x5555574e8650) = 19319
[pid 19319] set_robust_list(0x5555574e8660, 24) = 0
[pid 19319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19319] setpgid(0, 0)               = 0
[pid 19319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19319] write(3, "1000", 4)         = 4
[pid 19319] close(3)                    = 0
[pid 19319] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.402312][T19315] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19319] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19319] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19319] close(5)                    = 0
[pid 19319] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19322 attached
) = 19322
[pid 19319] tkill(19322, SIGSTOP)       = 0
[pid 19322] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19319, si_uid=65534} ---
[pid 19319] exit_group(0 <unfinished ...>
[pid 19322] --- stopped by SIGSTOP ---
[pid 19319] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19322, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19319] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19323 attached
, child_tidptr=0x5555574e8650) = 19323
[pid 19323] set_robust_list(0x5555574e8660, 24) = 0
[pid 19323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19323] setpgid(0, 0)               = 0
[pid 19323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19323] write(3, "1000", 4)         = 4
[  262.469713][T19319] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19323] close(3)                    = 0
[pid 19323] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19323] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19323] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19323] close(5)                    = 0
[pid 19323] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19326 attached
) = 19326
[pid 19323] tkill(19326, SIGSTOP)       = 0
[pid 19326] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19323, si_uid=65534} ---
[pid 19323] exit_group(0 <unfinished ...>
[pid 19326] --- stopped by SIGSTOP ---
[pid 19323] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19326, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19323] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19323, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19327 attached
, child_tidptr=0x5555574e8650) = 19327
[pid 19327] set_robust_list(0x5555574e8660, 24) = 0
[pid 19327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19327] setpgid(0, 0)               = 0
[pid 19327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19327] write(3, "1000", 4)         = 4
[pid 19327] close(3)                    = 0
[pid 19327] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.543462][T19323] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19327] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19327] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19327] close(5)                    = 0
[pid 19327] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19330 attached
) = 19330
[pid 19327] tkill(19330, SIGSTOP)       = 0
[pid 19330] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19327, si_uid=65534} ---
[pid 19327] exit_group(0 <unfinished ...>
[pid 19330] --- stopped by SIGSTOP ---
[pid 19327] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19330, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19327] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19331 attached
, child_tidptr=0x5555574e8650) = 19331
[pid 19331] set_robust_list(0x5555574e8660, 24) = 0
[pid 19331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19331] setpgid(0, 0)               = 0
[pid 19331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19331] write(3, "1000", 4)         = 4
[pid 19331] close(3)                    = 0
[pid 19331] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.610132][T19327] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19331] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19331] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19331] close(5)                    = 0
[pid 19331] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19334 attached
) = 19334
[pid 19331] tkill(19334, SIGSTOP)       = 0
[pid 19334] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19331, si_uid=65534} ---
[pid 19331] exit_group(0 <unfinished ...>
[pid 19334] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19334, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19331] <... exit_group resumed>)   = ?
[pid 19331] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19335 attached
, child_tidptr=0x5555574e8650) = 19335
[pid 19335] set_robust_list(0x5555574e8660, 24) = 0
[pid 19335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19335] setpgid(0, 0)               = 0
[pid 19335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19335] write(3, "1000", 4)         = 4
[pid 19335] close(3)                    = 0
[pid 19335] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.677914][T19331] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19335] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19335] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19335] close(5)                    = 0
[pid 19335] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19338 attached
) = 19338
[pid 19335] tkill(19338, SIGSTOP)       = 0
[pid 19338] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19335, si_uid=65534} ---
[pid 19335] exit_group(0 <unfinished ...>
[pid 19338] --- stopped by SIGSTOP ---
[pid 19335] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19338, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19335] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19335, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19339 attached
, child_tidptr=0x5555574e8650) = 19339
[pid 19339] set_robust_list(0x5555574e8660, 24) = 0
[pid 19339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19339] setpgid(0, 0)               = 0
[pid 19339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19339] write(3, "1000", 4)         = 4
[pid 19339] close(3)                    = 0
[pid 19339] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.742260][T19335] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19339] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19339] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19339] close(5)                    = 0
[pid 19339] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19342 attached
) = 19342
[pid 19339] tkill(19342, SIGSTOP)       = 0
[pid 19342] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19339, si_uid=65534} ---
[pid 19339] exit_group(0)               = ?
[pid 19342] --- stopped by SIGSTOP ---
[pid 19339] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19342, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19343 attached
, child_tidptr=0x5555574e8650) = 19343
[pid 19343] set_robust_list(0x5555574e8660, 24) = 0
[pid 19343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19343] setpgid(0, 0)               = 0
[pid 19343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19343] write(3, "1000", 4)         = 4
[pid 19343] close(3)                    = 0
[pid 19343] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  262.810641][T19339] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19343] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19343] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19343] close(5)                    = 0
[pid 19343] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19346 attached
) = 19346
[pid 19343] tkill(19346, SIGSTOP)       = 0
[pid 19346] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19343, si_uid=65534} ---
[pid 19343] exit_group(0 <unfinished ...>
[pid 19346] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19346, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19343] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19343] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19347 attached
, child_tidptr=0x5555574e8650) = 19347
[pid 19347] set_robust_list(0x5555574e8660, 24) = 0
[pid 19347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19347] setpgid(0, 0)               = 0
[pid 19347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19347] write(3, "1000", 4)         = 4
[pid 19347] close(3)                    = 0
[  262.876631][T19343] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19347] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19347] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19347] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19347] close(5)                    = 0
[pid 19347] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19350 attached
) = 19350
[pid 19347] tkill(19350, SIGSTOP)       = 0
[pid 19350] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19347, si_uid=65534} ---
[pid 19347] exit_group(0 <unfinished ...>
[pid 19350] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19350, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19347] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19347] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19351 attached
, child_tidptr=0x5555574e8650) = 19351
[pid 19351] set_robust_list(0x5555574e8660, 24) = 0
[pid 19351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19351] setpgid(0, 0)               = 0
[pid 19351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  262.946189][T19347] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19351] write(3, "1000", 4)         = 4
[pid 19351] close(3)                    = 0
[pid 19351] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19351] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19351] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19351] close(5)                    = 0
[pid 19351] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19354 attached
) = 19354
[pid 19351] tkill(19354, SIGSTOP)       = 0
[pid 19354] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19351, si_uid=65534} ---
[pid 19351] exit_group(0 <unfinished ...>
[pid 19354] --- stopped by SIGSTOP ---
[pid 19351] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19354, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19351] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19351, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19355 attached
, child_tidptr=0x5555574e8650) = 19355
[pid 19355] set_robust_list(0x5555574e8660, 24) = 0
[pid 19355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19355] setpgid(0, 0)               = 0
[pid 19355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19355] write(3, "1000", 4)         = 4
[pid 19355] close(3)                    = 0
[pid 19355] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  263.021475][T19351] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19355] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19355] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19355] close(5)                    = 0
[pid 19355] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19358 attached
) = 19358
[pid 19355] tkill(19358, SIGSTOP)       = 0
[pid 19358] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19355, si_uid=65534} ---
[pid 19355] exit_group(0 <unfinished ...>
[pid 19358] --- stopped by SIGSTOP ---
[pid 19355] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19358, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19355] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19359 attached
, child_tidptr=0x5555574e8650) = 19359
[pid 19359] set_robust_list(0x5555574e8660, 24) = 0
[pid 19359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19359] setpgid(0, 0)               = 0
[pid 19359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  263.087213][T19355] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19359] write(3, "1000", 4)         = 4
[pid 19359] close(3)                    = 0
[pid 19359] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19359] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19359] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19359] close(5)                    = 0
[pid 19359] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19362 attached
) = 19362
[pid 19359] tkill(19362, SIGSTOP)       = 0
[pid 19362] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19359, si_uid=65534} ---
[pid 19359] exit_group(0 <unfinished ...>
[pid 19362] --- stopped by SIGSTOP ---
[pid 19359] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19362, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19359] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19359, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19363 attached
, child_tidptr=0x5555574e8650) = 19363
[pid 19363] set_robust_list(0x5555574e8660, 24) = 0
[pid 19363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19363] setpgid(0, 0)               = 0
[pid 19363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  263.163083][T19359] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19363] write(3, "1000", 4)         = 4
[pid 19363] close(3)                    = 0
[pid 19363] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19363] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19363] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19363] close(5)                    = 0
[pid 19363] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19366 attached
) = 19366
[pid 19363] tkill(19366, SIGSTOP)       = 0
[pid 19366] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19363, si_uid=65534} ---
[pid 19363] exit_group(0 <unfinished ...>
[pid 19366] --- stopped by SIGSTOP ---
[pid 19363] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19366, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19363] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19363, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19367 attached
, child_tidptr=0x5555574e8650) = 19367
[pid 19367] set_robust_list(0x5555574e8660, 24) = 0
[pid 19367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19367] setpgid(0, 0)               = 0
[pid 19367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19367] write(3, "1000", 4)         = 4
[pid 19367] close(3)                    = 0
[  263.242021][T19363] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19367] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19367] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19367] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19367] close(5)                    = 0
[pid 19367] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19370 attached
) = 19370
[pid 19367] tkill(19370, SIGSTOP)       = 0
[pid 19370] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19367, si_uid=65534} ---
[pid 19367] exit_group(0 <unfinished ...>
[pid 19370] --- stopped by SIGSTOP ---
[pid 19367] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19370, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19367] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19367, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19371 attached
, child_tidptr=0x5555574e8650) = 19371
[pid 19371] set_robust_list(0x5555574e8660, 24) = 0
[pid 19371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19371] setpgid(0, 0)               = 0
[pid 19371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  263.312633][T19367] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19371] write(3, "1000", 4)         = 4
[pid 19371] close(3)                    = 0
[pid 19371] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19371] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19371] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19371] close(5)                    = 0
[pid 19371] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19374 attached
) = 19374
[pid 19371] tkill(19374, SIGSTOP)       = 0
[pid 19374] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19371, si_uid=65534} ---
[pid 19371] exit_group(0 <unfinished ...>
[pid 19374] --- stopped by SIGSTOP ---
[pid 19371] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19374, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19371] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19375 attached
, child_tidptr=0x5555574e8650) = 19375
[pid 19375] set_robust_list(0x5555574e8660, 24) = 0
[pid 19375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19375] setpgid(0, 0)               = 0
[pid 19375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  263.391638][T19371] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19375] write(3, "1000", 4)         = 4
[pid 19375] close(3)                    = 0
[pid 19375] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19375] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19375] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19375] close(5)                    = 0
[pid 19375] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19378 attached
) = 19378
[pid 19375] tkill(19378, SIGSTOP)       = 0
[pid 19378] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19375, si_uid=65534} ---
[pid 19375] exit_group(0 <unfinished ...>
[pid 19378] --- stopped by SIGSTOP ---
[pid 19375] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19378, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19375] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19379 attached
, child_tidptr=0x5555574e8650) = 19379
[pid 19379] set_robust_list(0x5555574e8660, 24) = 0
[pid 19379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19379] setpgid(0, 0)               = 0
[pid 19379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19379] write(3, "1000", 4)         = 4
[pid 19379] close(3)                    = 0
[  263.470251][T19375] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19379] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19379] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19379] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19379] close(5)                    = 0
[pid 19379] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19382 attached
) = 19382
[pid 19379] tkill(19382, SIGSTOP)       = 0
[pid 19382] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19379, si_uid=65534} ---
[pid 19379] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19382, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19382] --- stopped by SIGSTOP ---
[pid 19379] <... exit_group resumed>)   = ?
[pid 19379] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19383 attached
, child_tidptr=0x5555574e8650) = 19383
[pid 19383] set_robust_list(0x5555574e8660, 24) = 0
[pid 19383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19383] setpgid(0, 0)               = 0
[pid 19383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19383] write(3, "1000", 4)         = 4
[pid 19383] close(3)                    = 0
[  263.540139][T19379] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19383] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19383] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19383] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19383] close(5)                    = 0
[pid 19383] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19386 attached
) = 19386
[pid 19383] tkill(19386, SIGSTOP)       = 0
[pid 19386] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19383, si_uid=65534} ---
[pid 19383] exit_group(0 <unfinished ...>
[pid 19386] --- stopped by SIGSTOP ---
[pid 19383] <... exit_group resumed>)   = ?
[pid 19383] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19386, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19387 attached
, child_tidptr=0x5555574e8650) = 19387
[pid 19387] set_robust_list(0x5555574e8660, 24) = 0
[pid 19387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19387] setpgid(0, 0)               = 0
[pid 19387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19387] write(3, "1000", 4)         = 4
[pid 19387] close(3)                    = 0
[  263.610073][T19383] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19387] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19387] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19387] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19387] close(5)                    = 0
[pid 19387] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19390 attached
) = 19390
[pid 19387] tkill(19390, SIGSTOP)       = 0
[pid 19390] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19387, si_uid=65534} ---
[pid 19387] exit_group(0 <unfinished ...>
[pid 19390] --- stopped by SIGSTOP ---
[pid 19387] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19390, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19387] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19391 attached
, child_tidptr=0x5555574e8650) = 19391
[pid 19391] set_robust_list(0x5555574e8660, 24) = 0
[pid 19391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19391] setpgid(0, 0)               = 0
[pid 19391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19391] write(3, "1000", 4)         = 4
[pid 19391] close(3)                    = 0
[  263.678301][T19387] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19391] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19391] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19391] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19391] close(5)                    = 0
[pid 19391] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19394 attached
) = 19394
[pid 19391] tkill(19394, SIGSTOP)       = 0
[pid 19394] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19391, si_uid=65534} ---
[pid 19391] exit_group(0 <unfinished ...>
[pid 19394] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19394, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19391] <... exit_group resumed>)   = ?
[pid 19391] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19391, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19395 attached
, child_tidptr=0x5555574e8650) = 19395
[pid 19395] set_robust_list(0x5555574e8660, 24) = 0
[pid 19395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19395] setpgid(0, 0)               = 0
[pid 19395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19395] write(3, "1000", 4)         = 4
[pid 19395] close(3)                    = 0
[pid 19395] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  263.746651][T19391] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19395] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19395] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19395] close(5)                    = 0
[pid 19395] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19398 attached
) = 19398
[pid 19395] tkill(19398, SIGSTOP)       = 0
[pid 19398] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19395, si_uid=65534} ---
[pid 19395] exit_group(0 <unfinished ...>
[pid 19398] --- stopped by SIGSTOP ---
[pid 19395] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19398, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19395] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19399 attached
, child_tidptr=0x5555574e8650) = 19399
[pid 19399] set_robust_list(0x5555574e8660, 24) = 0
[pid 19399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19399] setpgid(0, 0)               = 0
[pid 19399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19399] write(3, "1000", 4)         = 4
[pid 19399] close(3)                    = 0
[pid 19399] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  263.814509][T19395] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19399] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19399] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19399] close(5)                    = 0
[pid 19399] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19402 attached
) = 19402
[pid 19399] tkill(19402, SIGSTOP)       = 0
[pid 19402] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19399, si_uid=65534} ---
[pid 19399] exit_group(0 <unfinished ...>
[pid 19402] --- stopped by SIGSTOP ---
[pid 19399] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19402, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19399] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19399, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19403 attached
, child_tidptr=0x5555574e8650) = 19403
[pid 19403] set_robust_list(0x5555574e8660, 24) = 0
[pid 19403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19403] setpgid(0, 0)               = 0
[pid 19403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19403] write(3, "1000", 4)         = 4
[pid 19403] close(3)                    = 0
[  263.880433][T19399] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19403] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19403] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19403] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19403] close(5)                    = 0
[pid 19403] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19406 attached
) = 19406
[pid 19403] tkill(19406, SIGSTOP)       = 0
[pid 19406] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19403, si_uid=65534} ---
[pid 19403] exit_group(0 <unfinished ...>
[pid 19406] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19406, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19403] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 19403] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19403, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19407 attached
, child_tidptr=0x5555574e8650) = 19407
[pid 19407] set_robust_list(0x5555574e8660, 24) = 0
[pid 19407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19407] setpgid(0, 0)               = 0
[pid 19407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19407] write(3, "1000", 4)         = 4
[pid 19407] close(3)                    = 0
[pid 19407] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  263.950133][T19403] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19407] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19407] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19407] close(5)                    = 0
[pid 19407] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19410 attached
) = 19410
[pid 19407] tkill(19410, SIGSTOP)       = 0
[pid 19410] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19407, si_uid=65534} ---
[pid 19407] exit_group(0 <unfinished ...>
[pid 19410] --- stopped by SIGSTOP ---
[pid 19407] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19410, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19407] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19411 attached
, child_tidptr=0x5555574e8650) = 19411
[pid 19411] set_robust_list(0x5555574e8660, 24) = 0
[pid 19411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19411] setpgid(0, 0)               = 0
[pid 19411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19411] write(3, "1000", 4)         = 4
[pid 19411] close(3)                    = 0
[pid 19411] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  264.016447][T19407] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19411] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19411] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19411] close(5)                    = 0
[pid 19411] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19414 attached
) = 19414
[pid 19411] tkill(19414, SIGSTOP)       = 0
[pid 19414] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19411, si_uid=65534} ---
[pid 19411] exit_group(0 <unfinished ...>
[pid 19414] --- stopped by SIGSTOP ---
[pid 19411] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19414, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19411] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19415 attached
, child_tidptr=0x5555574e8650) = 19415
[pid 19415] set_robust_list(0x5555574e8660, 24) = 0
[pid 19415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19415] setpgid(0, 0)               = 0
[pid 19415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19415] write(3, "1000", 4)         = 4
[  264.087101][T19411] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19415] close(3)                    = 0
[pid 19415] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19415] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19415] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19415] close(5)                    = 0
[pid 19415] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19418 attached
) = 19418
[pid 19415] tkill(19418, SIGSTOP)       = 0
[pid 19418] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19415, si_uid=65534} ---
[pid 19415] exit_group(0)               = ?
[pid 19418] --- stopped by SIGSTOP ---
[pid 19415] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19418, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19419 attached
, child_tidptr=0x5555574e8650) = 19419
[pid 19419] set_robust_list(0x5555574e8660, 24) = 0
[pid 19419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19419] setpgid(0, 0)               = 0
[pid 19419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19419] write(3, "1000", 4)         = 4
[pid 19419] close(3)                    = 0
[  264.160557][T19415] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19419] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19419] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19419] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19419] close(5)                    = 0
[pid 19419] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19422 attached
) = 19422
[pid 19419] tkill(19422, SIGSTOP)       = 0
[pid 19422] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19419, si_uid=65534} ---
[pid 19419] exit_group(0 <unfinished ...>
[pid 19422] --- stopped by SIGSTOP ---
[pid 19419] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19422, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19419] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19423 attached
, child_tidptr=0x5555574e8650) = 19423
[pid 19423] set_robust_list(0x5555574e8660, 24) = 0
[pid 19423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19423] setpgid(0, 0)               = 0
[pid 19423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19423] write(3, "1000", 4)         = 4
[pid 19423] close(3)                    = 0
[pid 19423] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  264.230129][T19419] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19423] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19423] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19423] close(5)                    = 0
[pid 19423] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19426 attached
) = 19426
[pid 19423] tkill(19426, SIGSTOP)       = 0
[pid 19426] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19423, si_uid=65534} ---
[pid 19423] exit_group(0 <unfinished ...>
[pid 19426] --- stopped by SIGSTOP ---
[pid 19423] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19426, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19423] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19427 attached
, child_tidptr=0x5555574e8650) = 19427
[pid 19427] set_robust_list(0x5555574e8660, 24) = 0
[pid 19427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19427] setpgid(0, 0)               = 0
[pid 19427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19427] write(3, "1000", 4)         = 4
[pid 19427] close(3)                    = 0
[  264.296847][T19423] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19427] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19427] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19427] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19427] close(5)                    = 0
[pid 19427] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19430 attached
) = 19430
[pid 19427] tkill(19430, SIGSTOP)       = 0
[pid 19430] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19427, si_uid=65534} ---
[pid 19427] exit_group(0 <unfinished ...>
[pid 19430] --- stopped by SIGSTOP ---
[pid 19427] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19430, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19427] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19431 attached
, child_tidptr=0x5555574e8650) = 19431
[pid 19431] set_robust_list(0x5555574e8660, 24) = 0
[pid 19431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19431] setpgid(0, 0)               = 0
[pid 19431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19431] write(3, "1000", 4)         = 4
[pid 19431] close(3)                    = 0
[pid 19431] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  264.368499][T19427] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19431] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19431] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19431] close(5)                    = 0
[pid 19431] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19434 attached
) = 19434
[pid 19431] tkill(19434, SIGSTOP)       = 0
[pid 19434] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19431, si_uid=65534} ---
[pid 19431] exit_group(0 <unfinished ...>
[pid 19434] --- stopped by SIGSTOP ---
[pid 19431] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19434, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19431] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19435 attached
, child_tidptr=0x5555574e8650) = 19435
[pid 19435] set_robust_list(0x5555574e8660, 24) = 0
[pid 19435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19435] setpgid(0, 0)               = 0
[pid 19435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19435] write(3, "1000", 4)         = 4
[pid 19435] close(3)                    = 0
[pid 19435] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19435] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  264.435976][T19431] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19435] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19435] close(5)                    = 0
[pid 19435] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19438 attached
) = 19438
[pid 19435] tkill(19438, SIGSTOP)       = 0
[pid 19438] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19435, si_uid=65534} ---
[pid 19435] exit_group(0 <unfinished ...>
[pid 19438] --- stopped by SIGSTOP ---
[pid 19435] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19438, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19435] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19435, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19439 attached
, child_tidptr=0x5555574e8650) = 19439
[pid 19439] set_robust_list(0x5555574e8660, 24) = 0
[pid 19439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19439] setpgid(0, 0)               = 0
[pid 19439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19439] write(3, "1000", 4)         = 4
[pid 19439] close(3)                    = 0
[pid 19439] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19439] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  264.500565][T19435] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19439] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19439] close(5)                    = 0
[pid 19439] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19442 attached
) = 19442
[pid 19439] tkill(19442, SIGSTOP)       = 0
[pid 19442] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19439, si_uid=65534} ---
[pid 19439] exit_group(0 <unfinished ...>
[pid 19442] --- stopped by SIGSTOP ---
[pid 19439] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19442, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19439] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19439, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19443 attached
, child_tidptr=0x5555574e8650) = 19443
[pid 19443] set_robust_list(0x5555574e8660, 24) = 0
[pid 19443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19443] setpgid(0, 0)               = 0
[pid 19443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19443] write(3, "1000", 4)         = 4
[pid 19443] close(3)                    = 0
[  264.563922][T19439] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19443] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19443] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19443] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19443] close(5)                    = 0
[pid 19443] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19446 attached
) = 19446
[pid 19443] tkill(19446, SIGSTOP)       = 0
[pid 19446] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19443, si_uid=65534} ---
[pid 19443] exit_group(0 <unfinished ...>
[pid 19446] --- stopped by SIGSTOP ---
[pid 19443] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19446, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19443] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19447 attached
, child_tidptr=0x5555574e8650) = 19447
[pid 19447] set_robust_list(0x5555574e8660, 24) = 0
[pid 19447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19447] setpgid(0, 0)               = 0
[pid 19447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19447] write(3, "1000", 4)         = 4
[  264.634939][T19443] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19447] close(3)                    = 0
[pid 19447] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19447] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19447] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19447] close(5)                    = 0
[pid 19447] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19450 attached
) = 19450
[pid 19447] tkill(19450, SIGSTOP)       = 0
[pid 19450] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19447, si_uid=65534} ---
[pid 19447] exit_group(0)               = ?
[pid 19450] --- stopped by SIGSTOP ---
[pid 19447] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19450, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19451 attached
, child_tidptr=0x5555574e8650) = 19451
[pid 19451] set_robust_list(0x5555574e8660, 24) = 0
[pid 19451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19451] setpgid(0, 0)               = 0
[pid 19451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19451] write(3, "1000", 4)         = 4
[pid 19451] close(3)                    = 0
[pid 19451] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  264.705120][T19447] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19451] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19451] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19451] close(5)                    = 0
[pid 19451] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19454 attached
) = 19454
[pid 19451] tkill(19454, SIGSTOP)       = 0
[pid 19454] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19451, si_uid=65534} ---
[pid 19451] exit_group(0 <unfinished ...>
[pid 19454] --- stopped by SIGSTOP ---
[pid 19451] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19454, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19451] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19451, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19455 attached
, child_tidptr=0x5555574e8650) = 19455
[pid 19455] set_robust_list(0x5555574e8660, 24) = 0
[pid 19455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19455] setpgid(0, 0)               = 0
[pid 19455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19455] write(3, "1000", 4)         = 4
[pid 19455] close(3)                    = 0
[pid 19455] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19455] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  264.771167][T19451] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19455] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19455] close(5)                    = 0
[pid 19455] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19458 attached
) = 19458
[pid 19455] tkill(19458, SIGSTOP)       = 0
[pid 19458] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19455, si_uid=65534} ---
[pid 19455] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19458, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19458] --- stopped by SIGSTOP ---
[pid 19455] <... exit_group resumed>)   = ?
[pid 19455] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19459 attached
, child_tidptr=0x5555574e8650) = 19459
[pid 19459] set_robust_list(0x5555574e8660, 24) = 0
[pid 19459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19459] setpgid(0, 0)               = 0
[pid 19459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19459] write(3, "1000", 4)         = 4
[pid 19459] close(3)                    = 0
[pid 19459] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19459] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  264.836845][T19455] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19459] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19459] close(5)                    = 0
[pid 19459] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19462 attached
) = 19462
[pid 19459] tkill(19462, SIGSTOP)       = 0
[pid 19462] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19459, si_uid=65534} ---
[pid 19459] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19462, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19462] --- stopped by SIGSTOP ---
[pid 19459] <... exit_group resumed>)   = ?
[pid 19459] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19459, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19463 attached
, child_tidptr=0x5555574e8650) = 19463
[pid 19463] set_robust_list(0x5555574e8660, 24) = 0
[pid 19463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19463] setpgid(0, 0)               = 0
[pid 19463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19463] write(3, "1000", 4)         = 4
[pid 19463] close(3)                    = 0
[pid 19463] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  264.902266][T19459] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19463] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19463] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19463] close(5)                    = 0
[pid 19463] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19466 attached
) = 19466
[pid 19463] tkill(19466, SIGSTOP)       = 0
[pid 19466] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19463, si_uid=65534} ---
[pid 19463] exit_group(0 <unfinished ...>
[pid 19466] --- stopped by SIGSTOP ---
[pid 19463] <... exit_group resumed>)   = ?
[pid 19463] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19466, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19467 attached
, child_tidptr=0x5555574e8650) = 19467
[pid 19467] set_robust_list(0x5555574e8660, 24) = 0
[pid 19467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19467] setpgid(0, 0)               = 0
[pid 19467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19467] write(3, "1000", 4)         = 4
[pid 19467] close(3)                    = 0
[pid 19467] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19467] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  264.967199][T19463] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19467] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19467] close(5)                    = 0
[pid 19467] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19470 attached
) = 19470
[pid 19467] tkill(19470, SIGSTOP)       = 0
[pid 19470] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19467, si_uid=65534} ---
[pid 19467] exit_group(0 <unfinished ...>
[pid 19470] --- stopped by SIGSTOP ---
[pid 19467] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19470, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19467] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19467, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19471 attached
, child_tidptr=0x5555574e8650) = 19471
[pid 19471] set_robust_list(0x5555574e8660, 24) = 0
[pid 19471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19471] setpgid(0, 0)               = 0
[pid 19471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19471] write(3, "1000", 4)         = 4
[pid 19471] close(3)                    = 0
[pid 19471] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19471] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  265.030273][T19467] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19471] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19471] close(5)                    = 0
[pid 19471] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19474 attached
) = 19474
[pid 19471] tkill(19474, SIGSTOP)       = 0
[pid 19474] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19471, si_uid=65534} ---
[pid 19471] exit_group(0 <unfinished ...>
[pid 19474] --- stopped by SIGSTOP ---
[pid 19471] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19474, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19471] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19475 attached
, child_tidptr=0x5555574e8650) = 19475
[pid 19475] set_robust_list(0x5555574e8660, 24) = 0
[pid 19475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19475] setpgid(0, 0)               = 0
[  265.094752][T19471] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19475] write(3, "1000", 4)         = 4
[pid 19475] close(3)                    = 0
[pid 19475] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19475] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19475] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19475] close(5)                    = 0
[pid 19475] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19478 attached
) = 19478
[pid 19475] tkill(19478, SIGSTOP)       = 0
[pid 19478] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19475, si_uid=65534} ---
[pid 19475] exit_group(0 <unfinished ...>
[pid 19478] --- stopped by SIGSTOP ---
[pid 19475] <... exit_group resumed>)   = ?
[pid 19475] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19478, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19479 attached
, child_tidptr=0x5555574e8650) = 19479
[pid 19479] set_robust_list(0x5555574e8660, 24) = 0
[pid 19479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19479] setpgid(0, 0)               = 0
[pid 19479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19479] write(3, "1000", 4)         = 4
[pid 19479] close(3)                    = 0
[pid 19479] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.174705][T19475] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19479] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19479] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19479] close(5)                    = 0
[pid 19479] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19482 attached
) = 19482
[pid 19479] tkill(19482, SIGSTOP)       = 0
[pid 19482] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19479, si_uid=65534} ---
[pid 19479] exit_group(0 <unfinished ...>
[pid 19482] --- stopped by SIGSTOP ---
[pid 19479] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19482, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19479] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19479, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19483 attached
, child_tidptr=0x5555574e8650) = 19483
[pid 19483] set_robust_list(0x5555574e8660, 24) = 0
[pid 19483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19483] setpgid(0, 0)               = 0
[pid 19483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19483] write(3, "1000", 4)         = 4
[pid 19483] close(3)                    = 0
[pid 19483] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19483] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  265.242476][T19479] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19483] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19483] close(5)                    = 0
[pid 19483] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19486 attached
) = 19486
[pid 19483] tkill(19486, SIGSTOP)       = 0
[pid 19486] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19483, si_uid=65534} ---
[pid 19483] exit_group(0 <unfinished ...>
[pid 19486] --- stopped by SIGSTOP ---
[pid 19483] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19486, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19483] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19487 attached
, child_tidptr=0x5555574e8650) = 19487
[pid 19487] set_robust_list(0x5555574e8660, 24) = 0
[pid 19487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19487] setpgid(0, 0)               = 0
[pid 19487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19487] write(3, "1000", 4)         = 4
[pid 19487] close(3)                    = 0
[pid 19487] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.307392][T19483] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19487] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19487] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19487] close(5)                    = 0
[pid 19487] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19490 attached
) = 19490
[pid 19487] tkill(19490, SIGSTOP)       = 0
[pid 19490] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19487, si_uid=65534} ---
[pid 19487] exit_group(0 <unfinished ...>
[pid 19490] --- stopped by SIGSTOP ---
[pid 19487] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19490, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19487] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19487, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19491 attached
, child_tidptr=0x5555574e8650) = 19491
[pid 19491] set_robust_list(0x5555574e8660, 24) = 0
[pid 19491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19491] setpgid(0, 0)               = 0
[pid 19491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19491] write(3, "1000", 4)         = 4
[pid 19491] close(3)                    = 0
[pid 19491] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.372933][T19487] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19491] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19491] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19491] close(5)                    = 0
[pid 19491] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19494 attached
) = 19494
[pid 19491] tkill(19494, SIGSTOP)       = 0
[pid 19494] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19491, si_uid=65534} ---
[pid 19491] exit_group(0 <unfinished ...>
[pid 19494] --- stopped by SIGSTOP ---
[pid 19491] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19494, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19491] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19491, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19495 attached
, child_tidptr=0x5555574e8650) = 19495
[pid 19495] set_robust_list(0x5555574e8660, 24) = 0
[pid 19495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19495] setpgid(0, 0)               = 0
[pid 19495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19495] write(3, "1000", 4)         = 4
[pid 19495] close(3)                    = 0
[  265.440704][T19491] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19495] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19495] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19495] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19495] close(5)                    = 0
[pid 19495] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19498 attached
) = 19498
[pid 19495] tkill(19498, SIGSTOP)       = 0
[pid 19498] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19495, si_uid=65534} ---
[pid 19495] exit_group(0 <unfinished ...>
[pid 19498] --- stopped by SIGSTOP ---
[pid 19495] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19498, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19495] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19495, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19499 attached
, child_tidptr=0x5555574e8650) = 19499
[pid 19499] set_robust_list(0x5555574e8660, 24) = 0
[pid 19499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19499] setpgid(0, 0)               = 0
[pid 19499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19499] write(3, "1000", 4)         = 4
[pid 19499] close(3)                    = 0
[pid 19499] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19499] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  265.510243][T19495] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19499] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19499] close(5)                    = 0
[pid 19499] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19502 attached
) = 19502
[pid 19499] tkill(19502, SIGSTOP)       = 0
[pid 19502] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19499, si_uid=65534} ---
[pid 19499] exit_group(0 <unfinished ...>
[pid 19502] --- stopped by SIGSTOP ---
[pid 19499] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19502, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19499] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19499, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19503 attached
, child_tidptr=0x5555574e8650) = 19503
[pid 19503] set_robust_list(0x5555574e8660, 24) = 0
[pid 19503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19503] setpgid(0, 0)               = 0
[pid 19503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19503] write(3, "1000", 4)         = 4
[pid 19503] close(3)                    = 0
[pid 19503] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.573953][T19499] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19503] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19503] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19503] close(5)                    = 0
[pid 19503] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19506 attached
) = 19506
[pid 19503] tkill(19506, SIGSTOP)       = 0
[pid 19506] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19503, si_uid=65534} ---
[pid 19503] exit_group(0 <unfinished ...>
[pid 19506] --- stopped by SIGSTOP ---
[pid 19503] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19506, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19503] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19503, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19507 attached
, child_tidptr=0x5555574e8650) = 19507
[pid 19507] set_robust_list(0x5555574e8660, 24) = 0
[pid 19507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19507] setpgid(0, 0)               = 0
[pid 19507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19507] write(3, "1000", 4)         = 4
[pid 19507] close(3)                    = 0
[pid 19507] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.640959][T19503] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19507] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19507] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19507] close(5)                    = 0
[pid 19507] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19510 attached
) = 19510
[pid 19507] tkill(19510, SIGSTOP)       = 0
[pid 19510] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19507, si_uid=65534} ---
[pid 19507] exit_group(0 <unfinished ...>
[pid 19510] --- stopped by SIGSTOP ---
[pid 19507] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19510, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19507] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19507, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19511 attached
, child_tidptr=0x5555574e8650) = 19511
[pid 19511] set_robust_list(0x5555574e8660, 24) = 0
[pid 19511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19511] setpgid(0, 0)               = 0
[pid 19511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19511] write(3, "1000", 4)         = 4
[pid 19511] close(3)                    = 0
[pid 19511] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19511] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  265.707583][T19507] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19511] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19511] close(5)                    = 0
[pid 19511] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19514 attached
) = 19514
[pid 19511] tkill(19514, SIGSTOP)       = 0
[pid 19511] exit_group(0)               = ?
[pid 19514] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19511, si_uid=65534} ---
[pid 19514] --- stopped by SIGSTOP ---
[pid 19511] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19514, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19515 attached
, child_tidptr=0x5555574e8650) = 19515
[pid 19515] set_robust_list(0x5555574e8660, 24) = 0
[pid 19515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19515] setpgid(0, 0)               = 0
[pid 19515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19515] write(3, "1000", 4)         = 4
[pid 19515] close(3)                    = 0
[pid 19515] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  265.772607][T19511] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19515] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19515] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19515] close(5)                    = 0
[pid 19515] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19518 attached
) = 19518
[pid 19515] tkill(19518, SIGSTOP)       = 0
[pid 19518] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19515, si_uid=65534} ---
[pid 19515] exit_group(0 <unfinished ...>
[pid 19518] --- stopped by SIGSTOP ---
[pid 19515] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19518, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19515] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19519 attached
, child_tidptr=0x5555574e8650) = 19519
[pid 19519] set_robust_list(0x5555574e8660, 24) = 0
[pid 19519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19519] setpgid(0, 0)               = 0
[pid 19519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19519] write(3, "1000", 4)         = 4
[pid 19519] close(3)                    = 0
[  265.840367][T19515] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19519] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19519] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19519] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19519] close(5)                    = 0
[pid 19519] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19522 attached
) = 19522
[pid 19519] tkill(19522, SIGSTOP)       = 0
[pid 19522] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19519, si_uid=65534} ---
[pid 19519] exit_group(0 <unfinished ...>
[pid 19522] --- stopped by SIGSTOP ---
[pid 19519] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19522, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19519] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19519, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19523 attached
, child_tidptr=0x5555574e8650) = 19523
[pid 19523] set_robust_list(0x5555574e8660, 24) = 0
[pid 19523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19523] setpgid(0, 0)               = 0
[pid 19523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19523] write(3, "1000", 4)         = 4
[pid 19523] close(3)                    = 0
[  265.910226][T19519] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19523] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19523] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19523] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19523] close(5)                    = 0
[pid 19523] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19526 attached
) = 19526
[pid 19523] tkill(19526, SIGSTOP)       = 0
[pid 19526] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19523, si_uid=65534} ---
[pid 19523] exit_group(0 <unfinished ...>
[pid 19526] --- stopped by SIGSTOP ---
[pid 19523] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19526, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19523] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19527 attached
, child_tidptr=0x5555574e8650) = 19527
[pid 19527] set_robust_list(0x5555574e8660, 24) = 0
[pid 19527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19527] setpgid(0, 0)               = 0
[pid 19527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19527] write(3, "1000", 4)         = 4
[  265.978595][T19523] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19527] close(3)                    = 0
[pid 19527] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19527] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19527] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19527] close(5)                    = 0
[pid 19527] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 19530
[pid 19527] tkill(19530, SIGSTOP./strace-static-x86_64: Process 19530 attached
)       = 0
[pid 19530] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19527, si_uid=65534} ---
[pid 19527] exit_group(0 <unfinished ...>
[pid 19530] --- stopped by SIGSTOP ---
[pid 19527] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19530, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19527] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 19531
./strace-static-x86_64: Process 19531 attached
[pid 19531] set_robust_list(0x5555574e8660, 24) = 0
[  266.055902][T19527] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19531] setpgid(0, 0)               = 0
[pid 19531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19531] write(3, "1000", 4)         = 4
[pid 19531] close(3)                    = 0
[pid 19531] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19531] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19531] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19531] close(5)                    = 0
[pid 19531] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 19534
[pid 19531] tkill(19534, SIGSTOP)       = 0
[pid 19531] exit_group(0./strace-static-x86_64: Process 19534 attached
)               = ?
[pid 19534] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19531, si_uid=65534} ---
[pid 19534] --- stopped by SIGSTOP ---
[pid 19531] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19534, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 19535
./strace-static-x86_64: Process 19535 attached
[  266.146173][T19531] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19535] set_robust_list(0x5555574e8660, 24) = 0
[pid 19535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19535] setpgid(0, 0)               = 0
[pid 19535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19535] write(3, "1000", 4)         = 4
[pid 19535] close(3)                    = 0
[pid 19535] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19535] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19535] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19535] close(5)                    = 0
[pid 19535] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 19538
[pid 19535] tkill(19538, SIGSTOP)       = 0
./strace-static-x86_64: Process 19538 attached
[pid 19535] exit_group(0 <unfinished ...>
[pid 19538] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19535, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19538, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19538] --- stopped by SIGSTOP ---
[pid 19535] <... exit_group resumed>)   = ?
[pid 19535] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19539 attached
, child_tidptr=0x5555574e8650) = 19539
[pid 19539] set_robust_list(0x5555574e8660, 24) = 0
[pid 19539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19539] setpgid(0, 0)               = 0
[  266.262619][T19535] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19539] write(3, "1000", 4)         = 4
[pid 19539] close(3)                    = 0
[pid 19539] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19539] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19539] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19539] close(5)                    = 0
[pid 19539] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 19542
[pid 19539] tkill(19542, SIGSTOP)       = 0
[pid 19539] exit_group(0)               = ?
./strace-static-x86_64: Process 19542 attached
[pid 19539] +++ exited with 0 +++
[pid 19542] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19539, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19539, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid 19542] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19542, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19543 attached
, child_tidptr=0x5555574e8650) = 19543
[  266.354293][T19539] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19543] set_robust_list(0x5555574e8660, 24) = 0
[pid 19543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19543] setpgid(0, 0)               = 0
[pid 19543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19543] write(3, "1000", 4)         = 4
[pid 19543] close(3)                    = 0
[pid 19543] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19543] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19543] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19543] close(5)                    = 0
[pid 19543] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 19546
[pid 19543] tkill(19546, SIGSTOP)       = 0
[pid 19543] exit_group(0./strace-static-x86_64: Process 19546 attached
)               = ?
[pid 19546] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19543, si_uid=65534} ---
[pid 19546] --- stopped by SIGSTOP ---
[pid 19543] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19546, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19547 attached
, child_tidptr=0x5555574e8650) = 19547
[pid 19547] set_robust_list(0x5555574e8660, 24) = 0
[pid 19547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19547] setpgid(0, 0)               = 0
[pid 19547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  266.449836][T19543] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19547] write(3, "1000", 4)         = 4
[pid 19547] close(3)                    = 0
[pid 19547] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19547] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19547] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19547] close(5)                    = 0
[pid 19547] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19550 attached
) = 19550
[pid 19547] tkill(19550, SIGSTOP)       = 0
[pid 19550] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19547, si_uid=65534} ---
[pid 19547] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19550, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19550] --- stopped by SIGSTOP ---
[pid 19547] <... exit_group resumed>)   = ?
[pid 19547] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19547, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19551 attached
, child_tidptr=0x5555574e8650) = 19551
[pid 19551] set_robust_list(0x5555574e8660, 24) = 0
[pid 19551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19551] setpgid(0, 0)               = 0
[pid 19551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19551] write(3, "1000", 4)         = 4
[pid 19551] close(3)                    = 0
[pid 19551] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19551] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  266.523121][T19547] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19551] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19551] close(5)                    = 0
[pid 19551] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19554 attached
) = 19554
[pid 19551] tkill(19554, SIGSTOP)       = 0
[pid 19554] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19551, si_uid=65534} ---
[pid 19551] exit_group(0 <unfinished ...>
[pid 19554] --- stopped by SIGSTOP ---
[pid 19551] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19554, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19551] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19555 attached
, child_tidptr=0x5555574e8650) = 19555
[pid 19555] set_robust_list(0x5555574e8660, 24) = 0
[pid 19555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19555] setpgid(0, 0)               = 0
[pid 19555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19555] write(3, "1000", 4)         = 4
[pid 19555] close(3)                    = 0
[  266.586642][T19551] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19555] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19555] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19555] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19555] close(5)                    = 0
[pid 19555] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19558 attached
) = 19558
[pid 19555] tkill(19558, SIGSTOP)       = 0
[pid 19558] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19555, si_uid=65534} ---
[pid 19555] exit_group(0 <unfinished ...>
[pid 19558] --- stopped by SIGSTOP ---
[pid 19555] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19558, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19555] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19559 attached
, child_tidptr=0x5555574e8650) = 19559
[pid 19559] set_robust_list(0x5555574e8660, 24) = 0
[pid 19559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19559] setpgid(0, 0)               = 0
[pid 19559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  266.657093][T19555] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19559] write(3, "1000", 4)         = 4
[pid 19559] close(3)                    = 0
[pid 19559] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19559] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19559] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19559] close(5)                    = 0
[pid 19559] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19562 attached
) = 19562
[pid 19559] tkill(19562, SIGSTOP)       = 0
[pid 19562] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19559, si_uid=65534} ---
[pid 19559] exit_group(0 <unfinished ...>
[pid 19562] --- stopped by SIGSTOP ---
[pid 19559] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19562, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19559] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19559, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19563 attached
, child_tidptr=0x5555574e8650) = 19563
[pid 19563] set_robust_list(0x5555574e8660, 24) = 0
[pid 19563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19563] setpgid(0, 0)               = 0
[pid 19563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19563] write(3, "1000", 4)         = 4
[pid 19563] close(3)                    = 0
[pid 19563] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  266.734798][T19559] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19563] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19563] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19563] close(5)                    = 0
[pid 19563] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19566 attached
) = 19566
[pid 19563] tkill(19566, SIGSTOP)       = 0
[pid 19566] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19563, si_uid=65534} ---
[pid 19563] exit_group(0 <unfinished ...>
[pid 19566] --- stopped by SIGSTOP ---
[pid 19563] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19566, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19563] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19563, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19567 attached
, child_tidptr=0x5555574e8650) = 19567
[pid 19567] set_robust_list(0x5555574e8660, 24) = 0
[pid 19567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19567] setpgid(0, 0)               = 0
[pid 19567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19567] write(3, "1000", 4)         = 4
[pid 19567] close(3)                    = 0
[pid 19567] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19567] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  266.802020][T19563] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19567] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19567] close(5)                    = 0
[pid 19567] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19570 attached
) = 19570
[pid 19567] tkill(19570, SIGSTOP)       = 0
[pid 19570] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19567, si_uid=65534} ---
[pid 19567] exit_group(0 <unfinished ...>
[pid 19570] --- stopped by SIGSTOP ---
[pid 19567] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19570, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19567] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19571 attached
, child_tidptr=0x5555574e8650) = 19571
[pid 19571] set_robust_list(0x5555574e8660, 24) = 0
[pid 19571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19571] setpgid(0, 0)               = 0
[pid 19571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  266.865964][T19567] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19571] write(3, "1000", 4)         = 4
[pid 19571] close(3)                    = 0
[pid 19571] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19571] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19571] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19571] close(5)                    = 0
[pid 19571] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19574 attached
) = 19574
[pid 19571] tkill(19574, SIGSTOP)       = 0
[pid 19574] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19571, si_uid=65534} ---
[pid 19571] exit_group(0 <unfinished ...>
[pid 19574] --- stopped by SIGSTOP ---
[pid 19571] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19574, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19571] +++ exited with 0 +++
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19575 attached
, child_tidptr=0x5555574e8650) = 19575
[pid 19575] set_robust_list(0x5555574e8660, 24) = 0
[pid 19575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19575] setpgid(0, 0)               = 0
[pid 19575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  266.946071][T19571] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19575] write(3, "1000", 4)         = 4
[pid 19575] close(3)                    = 0
[pid 19575] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19575] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19575] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19575] close(5)                    = 0
[pid 19575] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19578 attached
) = 19578
[pid 19575] tkill(19578, SIGSTOP)       = 0
[pid 19578] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19575, si_uid=65534} ---
[pid 19575] exit_group(0 <unfinished ...>
[pid 19578] --- stopped by SIGSTOP ---
[pid 19575] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19578, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19575] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19579 attached
, child_tidptr=0x5555574e8650) = 19579
[pid 19579] set_robust_list(0x5555574e8660, 24) = 0
[pid 19579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19579] setpgid(0, 0)               = 0
[pid 19579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19579] write(3, "1000", 4)         = 4
[pid 19579] close(3)                    = 0
[pid 19579] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  267.020573][T19575] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19579] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19579] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19579] close(5)                    = 0
[pid 19579] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19582 attached
) = 19582
[pid 19579] tkill(19582, SIGSTOP)       = 0
[pid 19582] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19579, si_uid=65534} ---
[pid 19579] exit_group(0 <unfinished ...>
[pid 19582] --- stopped by SIGSTOP ---
[pid 19579] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19582, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19579] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19583 attached
, child_tidptr=0x5555574e8650) = 19583
[pid 19583] set_robust_list(0x5555574e8660, 24) = 0
[pid 19583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19583] setpgid(0, 0)               = 0
[pid 19583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19583] write(3, "1000", 4)         = 4
[pid 19583] close(3)                    = 0
[  267.087184][T19579] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19583] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19583] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19583] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19583] close(5)                    = 0
[pid 19583] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19586 attached
) = 19586
[pid 19583] tkill(19586, SIGSTOP)       = 0
[pid 19586] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19583, si_uid=65534} ---
[pid 19583] exit_group(0 <unfinished ...>
[pid 19586] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19586, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19583] <... exit_group resumed>)   = ?
[pid 19583] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19583, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19587 attached
, child_tidptr=0x5555574e8650) = 19587
[pid 19587] set_robust_list(0x5555574e8660, 24) = 0
[pid 19587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19587] setpgid(0, 0)               = 0
[pid 19587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19587] write(3, "1000", 4)         = 4
[pid 19587] close(3)                    = 0
[pid 19587] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19587] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  267.156812][T19583] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19587] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19587] close(5)                    = 0
[pid 19587] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19590 attached
) = 19590
[pid 19587] tkill(19590, SIGSTOP)       = 0
[pid 19590] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19587, si_uid=65534} ---
[pid 19587] exit_group(0 <unfinished ...>
[pid 19590] --- stopped by SIGSTOP ---
[pid 19587] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19590, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19587] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19591 attached
, child_tidptr=0x5555574e8650) = 19591
[pid 19591] set_robust_list(0x5555574e8660, 24) = 0
[pid 19591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19591] setpgid(0, 0)               = 0
[pid 19591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19591] write(3, "1000", 4)         = 4
[pid 19591] close(3)                    = 0
[pid 19591] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19591] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  267.218462][T19587] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19591] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19591] close(5)                    = 0
[pid 19591] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19594 attached
) = 19594
[pid 19591] tkill(19594, SIGSTOP)       = 0
[pid 19594] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19591, si_uid=65534} ---
[pid 19591] exit_group(0 <unfinished ...>
[pid 19594] --- stopped by SIGSTOP ---
[pid 19591] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19594, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19591] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19591, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19595 attached
, child_tidptr=0x5555574e8650) = 19595
[pid 19595] set_robust_list(0x5555574e8660, 24) = 0
[pid 19595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19595] setpgid(0, 0)               = 0
[pid 19595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  267.283383][T19591] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19595] write(3, "1000", 4)         = 4
[pid 19595] close(3)                    = 0
[pid 19595] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19595] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19595] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19595] close(5)                    = 0
[pid 19595] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19598 attached
) = 19598
[pid 19595] tkill(19598, SIGSTOP)       = 0
[pid 19598] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19595, si_uid=65534} ---
[pid 19595] exit_group(0 <unfinished ...>
[pid 19598] --- stopped by SIGSTOP ---
[pid 19595] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19598, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19595] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19599 attached
, child_tidptr=0x5555574e8650) = 19599
[pid 19599] set_robust_list(0x5555574e8660, 24) = 0
[pid 19599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19599] setpgid(0, 0)               = 0
[pid 19599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19599] write(3, "1000", 4)         = 4
[pid 19599] close(3)                    = 0
[pid 19599] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  267.359084][T19595] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19599] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19599] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19599] close(5)                    = 0
[pid 19599] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19602 attached
) = 19602
[pid 19599] tkill(19602, SIGSTOP)       = 0
[pid 19602] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19599, si_uid=65534} ---
[pid 19599] exit_group(0 <unfinished ...>
[pid 19602] --- stopped by SIGSTOP ---
[pid 19599] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19602, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19599] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19599, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19603 attached
, child_tidptr=0x5555574e8650) = 19603
[pid 19603] set_robust_list(0x5555574e8660, 24) = 0
[pid 19603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19603] setpgid(0, 0)               = 0
[pid 19603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19603] write(3, "1000", 4)         = 4
[pid 19603] close(3)                    = 0
[  267.424112][T19599] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19603] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19603] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19603] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19603] close(5)                    = 0
[pid 19603] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19606 attached
) = 19606
[pid 19603] tkill(19606, SIGSTOP)       = 0
[pid 19606] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19603, si_uid=65534} ---
[pid 19603] exit_group(0 <unfinished ...>
[pid 19606] --- stopped by SIGSTOP ---
[pid 19603] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19606, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19603] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19607 attached
, child_tidptr=0x5555574e8650) = 19607
[pid 19607] set_robust_list(0x5555574e8660, 24) = 0
[pid 19607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19607] setpgid(0, 0)               = 0
[pid 19607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  267.494457][T19603] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19607] write(3, "1000", 4)         = 4
[pid 19607] close(3)                    = 0
[pid 19607] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19607] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19607] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19607] close(5)                    = 0
[pid 19607] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19610 attached
) = 19610
[pid 19607] tkill(19610, SIGSTOP)       = 0
[pid 19610] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19607, si_uid=65534} ---
[pid 19607] exit_group(0 <unfinished ...>
[pid 19610] --- stopped by SIGSTOP ---
[pid 19607] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19610, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19607] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19607, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19611 attached
, child_tidptr=0x5555574e8650) = 19611
[pid 19611] set_robust_list(0x5555574e8660, 24) = 0
[pid 19611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19611] setpgid(0, 0)               = 0
[pid 19611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19611] write(3, "1000", 4)         = 4
[  267.571117][T19607] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19611] close(3)                    = 0
[pid 19611] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19611] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19611] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19611] close(5)                    = 0
[pid 19611] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19614 attached
) = 19614
[pid 19611] tkill(19614, SIGSTOP)       = 0
[pid 19614] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19611, si_uid=65534} ---
[pid 19611] exit_group(0 <unfinished ...>
[pid 19614] --- stopped by SIGSTOP ---
[pid 19611] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19614, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19611] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19611, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19615 attached
, child_tidptr=0x5555574e8650) = 19615
[pid 19615] set_robust_list(0x5555574e8660, 24) = 0
[pid 19615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19615] setpgid(0, 0)               = 0
[pid 19615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19615] write(3, "1000", 4)         = 4
[pid 19615] close(3)                    = 0
[pid 19615] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  267.642986][T19611] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19615] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19615] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19615] close(5)                    = 0
[pid 19615] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19618 attached
) = 19618
[pid 19615] tkill(19618, SIGSTOP)       = 0
[pid 19618] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19615, si_uid=65534} ---
[pid 19615] exit_group(0 <unfinished ...>
[pid 19618] --- stopped by SIGSTOP ---
[pid 19615] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19618, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19615] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19619 attached
, child_tidptr=0x5555574e8650) = 19619
[pid 19619] set_robust_list(0x5555574e8660, 24) = 0
[pid 19619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19619] setpgid(0, 0)               = 0
[pid 19619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19619] write(3, "1000", 4)         = 4
[pid 19619] close(3)                    = 0
[pid 19619] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19619] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  267.711858][T19615] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19619] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19619] close(5)                    = 0
[pid 19619] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19622 attached
) = 19622
[pid 19619] tkill(19622, SIGSTOP)       = 0
[pid 19622] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19619, si_uid=65534} ---
[pid 19619] exit_group(0 <unfinished ...>
[pid 19622] --- stopped by SIGSTOP ---
[pid 19619] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19622, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19619] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19623 attached
, child_tidptr=0x5555574e8650) = 19623
[pid 19623] set_robust_list(0x5555574e8660, 24) = 0
[pid 19623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19623] setpgid(0, 0)               = 0
[pid 19623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19623] write(3, "1000", 4)         = 4
[pid 19623] close(3)                    = 0
[  267.777635][T19619] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19623] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19623] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19623] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19623] close(5)                    = 0
[pid 19623] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19626 attached
) = 19626
[pid 19623] tkill(19626, SIGSTOP)       = 0
[pid 19626] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19623, si_uid=65534} ---
[pid 19623] exit_group(0 <unfinished ...>
[pid 19626] --- stopped by SIGSTOP ---
[pid 19623] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19626, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19623] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19627 attached
, child_tidptr=0x5555574e8650) = 19627
[pid 19627] set_robust_list(0x5555574e8660, 24) = 0
[pid 19627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19627] setpgid(0, 0)               = 0
[pid 19627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  267.847243][T19623] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19627] write(3, "1000", 4)         = 4
[pid 19627] close(3)                    = 0
[pid 19627] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19627] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19627] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19627] close(5)                    = 0
[pid 19627] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19630 attached
) = 19630
[pid 19627] tkill(19630, SIGSTOP)       = 0
[pid 19630] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19627, si_uid=65534} ---
[pid 19627] exit_group(0 <unfinished ...>
[pid 19630] --- stopped by SIGSTOP ---
[pid 19627] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19630, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19627] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19627, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19631 attached
, child_tidptr=0x5555574e8650) = 19631
[pid 19631] set_robust_list(0x5555574e8660, 24) = 0
[pid 19631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19631] setpgid(0, 0)               = 0
[pid 19631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19631] write(3, "1000", 4)         = 4
[pid 19631] close(3)                    = 0
[pid 19631] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  267.922259][T19627] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19631] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19631] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19631] close(5)                    = 0
[pid 19631] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19634 attached
) = 19634
[pid 19631] tkill(19634, SIGSTOP)       = 0
[pid 19634] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19631, si_uid=65534} ---
[pid 19631] exit_group(0 <unfinished ...>
[pid 19634] --- stopped by SIGSTOP ---
[pid 19631] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19634, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19631] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19635 attached
, child_tidptr=0x5555574e8650) = 19635
[pid 19635] set_robust_list(0x5555574e8660, 24) = 0
[pid 19635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19635] setpgid(0, 0)               = 0
[pid 19635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19635] write(3, "1000", 4)         = 4
[pid 19635] close(3)                    = 0
[  267.987651][T19631] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19635] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19635] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19635] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19635] close(5)                    = 0
[pid 19635] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19638 attached
) = 19638
[pid 19635] tkill(19638, SIGSTOP)       = 0
[pid 19638] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19635, si_uid=65534} ---
[pid 19635] exit_group(0 <unfinished ...>
[pid 19638] --- stopped by SIGSTOP ---
[pid 19635] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19638, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19635] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19639 attached
, child_tidptr=0x5555574e8650) = 19639
[pid 19639] set_robust_list(0x5555574e8660, 24) = 0
[pid 19639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19639] setpgid(0, 0)               = 0
[pid 19639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19639] write(3, "1000", 4)         = 4
[pid 19639] close(3)                    = 0
[  268.057155][T19635] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19639] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19639] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19639] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19639] close(5)                    = 0
[pid 19639] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19642 attached
) = 19642
[pid 19639] tkill(19642, SIGSTOP)       = 0
[pid 19642] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19639, si_uid=65534} ---
[pid 19639] exit_group(0 <unfinished ...>
[pid 19642] --- stopped by SIGSTOP ---
[pid 19639] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19642, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19639] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19643 attached
, child_tidptr=0x5555574e8650) = 19643
[pid 19643] set_robust_list(0x5555574e8660, 24) = 0
[pid 19643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19643] setpgid(0, 0)               = 0
[pid 19643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19643] write(3, "1000", 4)         = 4
[pid 19643] close(3)                    = 0
[pid 19643] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.126407][T19639] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19643] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19643] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19643] close(5)                    = 0
[pid 19643] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19646 attached
) = 19646
[pid 19643] tkill(19646, SIGSTOP)       = 0
[pid 19646] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19643, si_uid=65534} ---
[pid 19643] exit_group(0 <unfinished ...>
[pid 19646] --- stopped by SIGSTOP ---
[pid 19643] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19646, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19643] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19643, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19647 attached
, child_tidptr=0x5555574e8650) = 19647
[pid 19647] set_robust_list(0x5555574e8660, 24) = 0
[pid 19647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19647] setpgid(0, 0)               = 0
[pid 19647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  268.194293][T19643] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19647] write(3, "1000", 4)         = 4
[pid 19647] close(3)                    = 0
[pid 19647] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19647] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19647] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19647] close(5)                    = 0
[pid 19647] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19650 attached
) = 19650
[pid 19647] tkill(19650, SIGSTOP)       = 0
[pid 19650] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19647, si_uid=65534} ---
[pid 19647] exit_group(0 <unfinished ...>
[pid 19650] --- stopped by SIGSTOP ---
[pid 19647] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19650, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19647] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19647, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19651 attached
, child_tidptr=0x5555574e8650) = 19651
[pid 19651] set_robust_list(0x5555574e8660, 24) = 0
[pid 19651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19651] setpgid(0, 0)               = 0
[pid 19651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19651] write(3, "1000", 4)         = 4
[pid 19651] close(3)                    = 0
[pid 19651] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.272466][T19647] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19651] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19651] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19651] close(5)                    = 0
[pid 19651] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19654 attached
) = 19654
[pid 19651] tkill(19654, SIGSTOP)       = 0
[pid 19651] exit_group(0 <unfinished ...>
[pid 19654] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19651, si_uid=65534} ---
[pid 19651] <... exit_group resumed>)   = ?
[pid 19654] --- stopped by SIGSTOP ---
[pid 19651] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19654, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19655 attached
, child_tidptr=0x5555574e8650) = 19655
[pid 19655] set_robust_list(0x5555574e8660, 24) = 0
[pid 19655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19655] setpgid(0, 0)               = 0
[pid 19655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19655] write(3, "1000", 4)         = 4
[pid 19655] close(3)                    = 0
[pid 19655] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19655] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  268.339791][T19651] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19655] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19655] close(5)                    = 0
[pid 19655] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19658 attached
) = 19658
[pid 19655] tkill(19658, SIGSTOP)       = 0
[pid 19658] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19655, si_uid=65534} ---
[pid 19655] exit_group(0 <unfinished ...>
[pid 19658] --- stopped by SIGSTOP ---
[pid 19655] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19658, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19655] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19655, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19659 attached
, child_tidptr=0x5555574e8650) = 19659
[pid 19659] set_robust_list(0x5555574e8660, 24) = 0
[pid 19659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19659] setpgid(0, 0)               = 0
[pid 19659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19659] write(3, "1000", 4)         = 4
[pid 19659] close(3)                    = 0
[pid 19659] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.403238][T19655] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19659] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19659] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19659] close(5)                    = 0
[pid 19659] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19662 attached
) = 19662
[pid 19659] tkill(19662, SIGSTOP)       = 0
[pid 19662] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19659, si_uid=65534} ---
[pid 19659] exit_group(0 <unfinished ...>
[pid 19662] --- stopped by SIGSTOP ---
[pid 19659] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19662, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19659] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19659, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19663 attached
, child_tidptr=0x5555574e8650) = 19663
[pid 19663] set_robust_list(0x5555574e8660, 24) = 0
[pid 19663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19663] setpgid(0, 0)               = 0
[pid 19663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19663] write(3, "1000", 4)         = 4
[pid 19663] close(3)                    = 0
[pid 19663] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19663] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  268.470239][T19659] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19663] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19663] close(5)                    = 0
[pid 19663] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19666 attached
) = 19666
[pid 19663] tkill(19666, SIGSTOP)       = 0
[pid 19666] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19663, si_uid=65534} ---
[pid 19663] exit_group(0 <unfinished ...>
[pid 19666] --- stopped by SIGSTOP ---
[pid 19663] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19666, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19663] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19667 attached
, child_tidptr=0x5555574e8650) = 19667
[pid 19667] set_robust_list(0x5555574e8660, 24) = 0
[pid 19667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19667] setpgid(0, 0)               = 0
[pid 19667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  268.535373][T19663] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19667] write(3, "1000", 4)         = 4
[pid 19667] close(3)                    = 0
[pid 19667] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19667] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19667] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19667] close(5)                    = 0
[pid 19667] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19670 attached
) = 19670
[pid 19667] tkill(19670, SIGSTOP)       = 0
[pid 19670] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19667, si_uid=65534} ---
[pid 19667] exit_group(0 <unfinished ...>
[pid 19670] --- stopped by SIGSTOP ---
[pid 19667] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19670, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19667] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19667, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19671 attached
, child_tidptr=0x5555574e8650) = 19671
[pid 19671] set_robust_list(0x5555574e8660, 24) = 0
[pid 19671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19671] setpgid(0, 0)               = 0
[pid 19671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19671] write(3, "1000", 4)         = 4
[pid 19671] close(3)                    = 0
[  268.612158][T19667] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19671] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19671] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19671] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19671] close(5)                    = 0
[pid 19671] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19674 attached
) = 19674
[pid 19671] tkill(19674, SIGSTOP)       = 0
[pid 19674] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19671, si_uid=65534} ---
[pid 19671] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19674, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19674] --- stopped by SIGSTOP ---
[pid 19671] <... exit_group resumed>)   = ?
[pid 19671] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19671, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19675 attached
, child_tidptr=0x5555574e8650) = 19675
[pid 19675] set_robust_list(0x5555574e8660, 24) = 0
[pid 19675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19675] setpgid(0, 0)               = 0
[pid 19675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19675] write(3, "1000", 4)         = 4
[pid 19675] close(3)                    = 0
[pid 19675] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.682821][T19671] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19675] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19675] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19675] close(5)                    = 0
[pid 19675] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19678 attached
) = 19678
[pid 19675] tkill(19678, SIGSTOP)       = 0
[pid 19678] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19675, si_uid=65534} ---
[pid 19675] exit_group(0 <unfinished ...>
[pid 19678] --- stopped by SIGSTOP ---
[pid 19675] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19678, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19675] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19675, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19679 attached
, child_tidptr=0x5555574e8650) = 19679
[pid 19679] set_robust_list(0x5555574e8660, 24) = 0
[pid 19679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19679] setpgid(0, 0)               = 0
[pid 19679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19679] write(3, "1000", 4)         = 4
[pid 19679] close(3)                    = 0
[pid 19679] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19679] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  268.751129][T19675] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19679] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19679] close(5)                    = 0
[pid 19679] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19682 attached
) = 19682
[pid 19679] tkill(19682, SIGSTOP)       = 0
[pid 19682] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19679, si_uid=65534} ---
[pid 19679] exit_group(0 <unfinished ...>
[pid 19682] --- stopped by SIGSTOP ---
[pid 19679] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19682, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19679] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19679, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19683 attached
, child_tidptr=0x5555574e8650) = 19683
[pid 19683] set_robust_list(0x5555574e8660, 24) = 0
[pid 19683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19683] setpgid(0, 0)               = 0
[pid 19683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19683] write(3, "1000", 4)         = 4
[pid 19683] close(3)                    = 0
[  268.813372][T19679] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19683] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19683] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19683] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19683] close(5)                    = 0
[pid 19683] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19686 attached
) = 19686
[pid 19683] tkill(19686, SIGSTOP)       = 0
[pid 19686] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19683, si_uid=65534} ---
[pid 19686] --- stopped by SIGSTOP ---
[pid 19683] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19686, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19683] <... exit_group resumed>)   = ?
[pid 19683] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19683, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19687 attached
, child_tidptr=0x5555574e8650) = 19687
[pid 19687] set_robust_list(0x5555574e8660, 24) = 0
[pid 19687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19687] setpgid(0, 0)               = 0
[pid 19687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19687] write(3, "1000", 4)         = 4
[pid 19687] close(3)                    = 0
[pid 19687] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.885194][T19683] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19687] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19687] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19687] close(5)                    = 0
[pid 19687] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19690 attached
) = 19690
[pid 19687] tkill(19690, SIGSTOP)       = 0
[pid 19690] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19687, si_uid=65534} ---
[pid 19687] exit_group(0 <unfinished ...>
[pid 19690] --- stopped by SIGSTOP ---
[pid 19687] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19690, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19687] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19687, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19691 attached
, child_tidptr=0x5555574e8650) = 19691
[pid 19691] set_robust_list(0x5555574e8660, 24) = 0
[pid 19691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19691] setpgid(0, 0)               = 0
[pid 19691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19691] write(3, "1000", 4)         = 4
[pid 19691] close(3)                    = 0
[pid 19691] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  268.952962][T19687] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19691] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19691] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19691] close(5)                    = 0
[pid 19691] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19694 attached
) = 19694
[pid 19691] tkill(19694, SIGSTOP)       = 0
[pid 19691] exit_group(0 <unfinished ...>
[pid 19694] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19691, si_uid=65534} ---
[pid 19691] <... exit_group resumed>)   = ?
[pid 19694] --- stopped by SIGSTOP ---
[pid 19691] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19694, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19695 attached
, child_tidptr=0x5555574e8650) = 19695
[pid 19695] set_robust_list(0x5555574e8660, 24) = 0
[pid 19695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19695] setpgid(0, 0)               = 0
[pid 19695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19695] write(3, "1000", 4)         = 4
[pid 19695] close(3)                    = 0
[pid 19695] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19695] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  269.019260][T19691] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19695] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19695] close(5)                    = 0
[pid 19695] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19698 attached
) = 19698
[pid 19695] tkill(19698, SIGSTOP)       = 0
[pid 19698] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19695, si_uid=65534} ---
[pid 19695] exit_group(0 <unfinished ...>
[pid 19698] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19698, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19695] <... exit_group resumed>)   = ?
[pid 19695] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19695, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19699 attached
, child_tidptr=0x5555574e8650) = 19699
[pid 19699] set_robust_list(0x5555574e8660, 24) = 0
[pid 19699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19699] setpgid(0, 0)               = 0
[pid 19699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19699] write(3, "1000", 4)         = 4
[pid 19699] close(3)                    = 0
[pid 19699] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  269.082587][T19695] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19699] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19699] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19699] close(5)                    = 0
[pid 19699] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19702 attached
) = 19702
[pid 19699] tkill(19702, SIGSTOP)       = 0
[pid 19702] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19699, si_uid=65534} ---
[pid 19699] exit_group(0 <unfinished ...>
[pid 19702] --- stopped by SIGSTOP ---
[pid 19699] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19702, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19699] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19703 attached
, child_tidptr=0x5555574e8650) = 19703
[pid 19703] set_robust_list(0x5555574e8660, 24) = 0
[pid 19703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19703] setpgid(0, 0)               = 0
[pid 19703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19703] write(3, "1000", 4)         = 4
[pid 19703] close(3)                    = 0
[  269.150303][T19699] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19703] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19703] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19703] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19703] close(5)                    = 0
[pid 19703] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19706 attached
) = 19706
[pid 19703] tkill(19706, SIGSTOP)       = 0
[pid 19706] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19703, si_uid=65534} ---
[pid 19703] exit_group(0 <unfinished ...>
[pid 19706] --- stopped by SIGSTOP ---
[pid 19703] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19706, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19703] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19703, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19707 attached
, child_tidptr=0x5555574e8650) = 19707
[pid 19707] set_robust_list(0x5555574e8660, 24) = 0
[pid 19707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19707] setpgid(0, 0)               = 0
[pid 19707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19707] write(3, "1000", 4)         = 4
[pid 19707] close(3)                    = 0
[  269.221974][T19703] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19707] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19707] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19707] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19707] close(5)                    = 0
[pid 19707] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19710 attached
) = 19710
[pid 19707] tkill(19710, SIGSTOP)       = 0
[pid 19710] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19707, si_uid=65534} ---
[pid 19707] exit_group(0 <unfinished ...>
[pid 19710] --- stopped by SIGSTOP ---
[pid 19707] <... exit_group resumed>)   = ?
[pid 19707] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19710, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19711 attached
, child_tidptr=0x5555574e8650) = 19711
[pid 19711] set_robust_list(0x5555574e8660, 24) = 0
[pid 19711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19711] setpgid(0, 0)               = 0
[pid 19711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19711] write(3, "1000", 4)         = 4
[pid 19711] close(3)                    = 0
[  269.290064][T19707] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19711] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19711] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19711] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19711] close(5)                    = 0
[pid 19711] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19714 attached
) = 19714
[pid 19711] tkill(19714, SIGSTOP)       = 0
[pid 19714] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19711, si_uid=65534} ---
[pid 19711] exit_group(0 <unfinished ...>
[pid 19714] --- stopped by SIGSTOP ---
[pid 19711] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19714, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19711] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19711, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19715 attached
, child_tidptr=0x5555574e8650) = 19715
[pid 19715] set_robust_list(0x5555574e8660, 24) = 0
[pid 19715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19715] setpgid(0, 0)               = 0
[pid 19715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19715] write(3, "1000", 4)         = 4
[pid 19715] close(3)                    = 0
[pid 19715] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  269.362947][T19711] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19715] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19715] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19715] close(5)                    = 0
[pid 19715] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19718 attached
) = 19718
[pid 19715] tkill(19718, SIGSTOP)       = 0
[pid 19718] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19715, si_uid=65534} ---
[pid 19715] exit_group(0 <unfinished ...>
[pid 19718] --- stopped by SIGSTOP ---
[pid 19715] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19718, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19715] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19715, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19719 attached
, child_tidptr=0x5555574e8650) = 19719
[pid 19719] set_robust_list(0x5555574e8660, 24) = 0
[pid 19719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19719] setpgid(0, 0)               = 0
[pid 19719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19719] write(3, "1000", 4)         = 4
[pid 19719] close(3)                    = 0
[  269.430711][T19715] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19719] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19719] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19719] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19719] close(5)                    = 0
[pid 19719] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19722 attached
) = 19722
[pid 19719] tkill(19722, SIGSTOP)       = 0
[pid 19722] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19719, si_uid=65534} ---
[pid 19719] exit_group(0 <unfinished ...>
[pid 19722] --- stopped by SIGSTOP ---
[pid 19719] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19722, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19719] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19719, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19723 attached
, child_tidptr=0x5555574e8650) = 19723
[pid 19723] set_robust_list(0x5555574e8660, 24) = 0
[pid 19723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19723] setpgid(0, 0)               = 0
[pid 19723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19723] write(3, "1000", 4)         = 4
[  269.501922][T19719] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19723] close(3)                    = 0
[pid 19723] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19723] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19723] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19723] close(5)                    = 0
[pid 19723] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19726 attached
) = 19726
[pid 19723] tkill(19726, SIGSTOP)       = 0
[pid 19726] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19723, si_uid=65534} ---
[pid 19723] exit_group(0 <unfinished ...>
[pid 19726] --- stopped by SIGSTOP ---
[pid 19723] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19726, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19723] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19723, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19727 attached
, child_tidptr=0x5555574e8650) = 19727
[pid 19727] set_robust_list(0x5555574e8660, 24) = 0
[pid 19727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19727] setpgid(0, 0)               = 0
[pid 19727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19727] write(3, "1000", 4)         = 4
[pid 19727] close(3)                    = 0
[  269.575271][T19723] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19727] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19727] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19727] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19727] close(5)                    = 0
[pid 19727] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19730 attached
) = 19730
[pid 19727] tkill(19730, SIGSTOP)       = 0
[pid 19730] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19727, si_uid=65534} ---
[pid 19727] exit_group(0 <unfinished ...>
[pid 19730] --- stopped by SIGSTOP ---
[pid 19727] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19730, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19727] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19731 attached
, child_tidptr=0x5555574e8650) = 19731
[pid 19731] set_robust_list(0x5555574e8660, 24) = 0
[pid 19731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19731] setpgid(0, 0)               = 0
[pid 19731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  269.646521][T19727] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19731] write(3, "1000", 4)         = 4
[pid 19731] close(3)                    = 0
[pid 19731] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19731] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19731] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19731] close(5)                    = 0
[pid 19731] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19734 attached
) = 19734
[pid 19731] tkill(19734, SIGSTOP)       = 0
[pid 19734] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19731, si_uid=65534} ---
[pid 19731] exit_group(0 <unfinished ...>
[pid 19734] --- stopped by SIGSTOP ---
[pid 19731] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19734, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19731] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19731, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19735 attached
, child_tidptr=0x5555574e8650) = 19735
[pid 19735] set_robust_list(0x5555574e8660, 24) = 0
[pid 19735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19735] setpgid(0, 0)               = 0
[  269.726859][T19731] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19735] write(3, "1000", 4)         = 4
[pid 19735] close(3)                    = 0
[pid 19735] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19735] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19735] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19735] close(5)                    = 0
[pid 19735] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19738 attached
) = 19738
[pid 19735] tkill(19738, SIGSTOP)       = 0
[pid 19738] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19735, si_uid=65534} ---
[pid 19735] exit_group(0 <unfinished ...>
[pid 19738] --- stopped by SIGSTOP ---
[pid 19735] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19738, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19735] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19739 attached
, child_tidptr=0x5555574e8650) = 19739
[pid 19739] set_robust_list(0x5555574e8660, 24) = 0
[pid 19739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19739] setpgid(0, 0)               = 0
[pid 19739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19739] write(3, "1000", 4)         = 4
[pid 19739] close(3)                    = 0
[  269.808135][T19735] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19739] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19739] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19739] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19739] close(5)                    = 0
[pid 19739] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19742 attached
) = 19742
[pid 19739] tkill(19742, SIGSTOP)       = 0
[pid 19739] exit_group(0 <unfinished ...>
[pid 19742] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19739, si_uid=65534} ---
[pid 19739] <... exit_group resumed>)   = ?
[pid 19742] --- stopped by SIGSTOP ---
[pid 19739] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19742, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19743 attached
, child_tidptr=0x5555574e8650) = 19743
[pid 19743] set_robust_list(0x5555574e8660, 24) = 0
[pid 19743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19743] setpgid(0, 0)               = 0
[pid 19743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19743] write(3, "1000", 4)         = 4
[pid 19743] close(3)                    = 0
[pid 19743] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19743] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  269.876786][T19739] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19743] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19743] close(5)                    = 0
[pid 19743] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19746 attached
) = 19746
[pid 19743] tkill(19746, SIGSTOP)       = 0
[pid 19746] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19743, si_uid=65534} ---
[pid 19743] exit_group(0 <unfinished ...>
[pid 19746] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19746, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19743] <... exit_group resumed>)   = ?
[pid 19743] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19743, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19747 attached
, child_tidptr=0x5555574e8650) = 19747
[pid 19747] set_robust_list(0x5555574e8660, 24) = 0
[pid 19747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19747] setpgid(0, 0)               = 0
[  269.941839][T19743] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19747] write(3, "1000", 4)         = 4
[pid 19747] close(3)                    = 0
[pid 19747] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19747] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19747] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19747] close(5)                    = 0
[pid 19747] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19750 attached
) = 19750
[pid 19747] tkill(19750, SIGSTOP)       = 0
[pid 19750] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19747, si_uid=65534} ---
[pid 19747] exit_group(0 <unfinished ...>
[pid 19750] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19750, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19747] <... exit_group resumed>)   = ?
[pid 19747] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19747, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19751 attached
, child_tidptr=0x5555574e8650) = 19751
[pid 19751] set_robust_list(0x5555574e8660, 24) = 0
[pid 19751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19751] setpgid(0, 0)               = 0
[pid 19751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19751] write(3, "1000", 4)         = 4
[pid 19751] close(3)                    = 0
[pid 19751] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  270.022723][T19747] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19751] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19751] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19751] close(5)                    = 0
[pid 19751] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19754 attached
) = 19754
[pid 19751] tkill(19754, SIGSTOP)       = 0
[pid 19754] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19751, si_uid=65534} ---
[pid 19751] exit_group(0 <unfinished ...>
[pid 19754] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19754, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19751] <... exit_group resumed>)   = ?
[pid 19751] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19751, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19755 attached
, child_tidptr=0x5555574e8650) = 19755
[pid 19755] set_robust_list(0x5555574e8660, 24) = 0
[pid 19755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19755] setpgid(0, 0)               = 0
[pid 19755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19755] write(3, "1000", 4)         = 4
[pid 19755] close(3)                    = 0
[  270.090265][T19751] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19755] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19755] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19755] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19755] close(5)                    = 0
[pid 19755] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19758 attached
) = 19758
[pid 19755] tkill(19758, SIGSTOP)       = 0
[pid 19758] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19755, si_uid=65534} ---
[pid 19755] exit_group(0 <unfinished ...>
[pid 19758] --- stopped by SIGSTOP ---
[pid 19755] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19758, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19755] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19759 attached
, child_tidptr=0x5555574e8650) = 19759
[pid 19759] set_robust_list(0x5555574e8660, 24) = 0
[pid 19759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19759] setpgid(0, 0)               = 0
[pid 19759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19759] write(3, "1000", 4)         = 4
[pid 19759] close(3)                    = 0
[  270.161530][T19755] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19759] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19759] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19759] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19759] close(5)                    = 0
[pid 19759] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19762 attached
) = 19762
[pid 19759] tkill(19762, SIGSTOP)       = 0
[pid 19762] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19759, si_uid=65534} ---
[pid 19759] exit_group(0 <unfinished ...>
[pid 19762] --- stopped by SIGSTOP ---
[pid 19759] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19762, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19759] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19763 attached
, child_tidptr=0x5555574e8650) = 19763
[pid 19763] set_robust_list(0x5555574e8660, 24) = 0
[pid 19763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  270.233922][T19759] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19763] setpgid(0, 0)               = 0
[pid 19763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19763] write(3, "1000", 4)         = 4
[pid 19763] close(3)                    = 0
[pid 19763] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19763] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19763] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19763] close(5)                    = 0
[pid 19763] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19766 attached
) = 19766
[pid 19763] tkill(19766, SIGSTOP)       = 0
[pid 19766] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19763, si_uid=65534} ---
[pid 19763] exit_group(0 <unfinished ...>
[pid 19766] --- stopped by SIGSTOP ---
[pid 19763] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19766, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19763] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19767 attached
, child_tidptr=0x5555574e8650) = 19767
[pid 19767] set_robust_list(0x5555574e8660, 24) = 0
[pid 19767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19767] setpgid(0, 0)               = 0
[pid 19767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19767] write(3, "1000", 4)         = 4
[pid 19767] close(3)                    = 0
[  270.317514][T19763] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19767] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19767] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19767] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19767] close(5)                    = 0
[pid 19767] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19770 attached
) = 19770
[pid 19767] tkill(19770, SIGSTOP)       = 0
[pid 19770] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19767, si_uid=65534} ---
[pid 19767] exit_group(0 <unfinished ...>
[pid 19770] --- stopped by SIGSTOP ---
[pid 19767] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19770, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19767] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19771 attached
, child_tidptr=0x5555574e8650) = 19771
[pid 19771] set_robust_list(0x5555574e8660, 24) = 0
[pid 19771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19771] setpgid(0, 0)               = 0
[pid 19771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19771] write(3, "1000", 4)         = 4
[pid 19771] close(3)                    = 0
[pid 19771] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  270.387762][T19767] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19771] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19771] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19771] close(5)                    = 0
[pid 19771] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19774 attached
) = 19774
[pid 19771] tkill(19774, SIGSTOP)       = 0
[pid 19774] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19771, si_uid=65534} ---
[pid 19771] exit_group(0 <unfinished ...>
[pid 19774] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19774, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19771] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19771] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19771, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19775 attached
, child_tidptr=0x5555574e8650) = 19775
[pid 19775] set_robust_list(0x5555574e8660, 24) = 0
[pid 19775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19775] setpgid(0, 0)               = 0
[pid 19775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19775] write(3, "1000", 4)         = 4
[pid 19775] close(3)                    = 0
[  270.454868][T19771] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19775] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19775] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19775] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19775] close(5)                    = 0
[pid 19775] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19778 attached
) = 19778
[pid 19775] tkill(19778, SIGSTOP)       = 0
[pid 19778] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19775, si_uid=65534} ---
[pid 19775] exit_group(0 <unfinished ...>
[pid 19778] --- stopped by SIGSTOP ---
[pid 19775] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19778, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19775] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19779 attached
, child_tidptr=0x5555574e8650) = 19779
[pid 19779] set_robust_list(0x5555574e8660, 24) = 0
[pid 19779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19779] setpgid(0, 0)               = 0
[pid 19779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19779] write(3, "1000", 4)         = 4
[pid 19779] close(3)                    = 0
[  270.525964][T19775] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19779] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19779] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19779] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19779] close(5)                    = 0
[pid 19779] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19782 attached
) = 19782
[pid 19779] tkill(19782, SIGSTOP)       = 0
[pid 19782] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19779, si_uid=65534} ---
[pid 19779] exit_group(0 <unfinished ...>
[pid 19782] --- stopped by SIGSTOP ---
[pid 19779] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19782, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19779] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19783 attached
, child_tidptr=0x5555574e8650) = 19783
[pid 19783] set_robust_list(0x5555574e8660, 24) = 0
[pid 19783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19783] setpgid(0, 0)               = 0
[  270.594663][T19779] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19783] write(3, "1000", 4)         = 4
[pid 19783] close(3)                    = 0
[pid 19783] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19783] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19783] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19783] close(5)                    = 0
[pid 19783] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19786 attached
) = 19786
[pid 19783] tkill(19786, SIGSTOP)       = 0
[pid 19786] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19783, si_uid=65534} ---
[pid 19783] exit_group(0 <unfinished ...>
[pid 19786] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19786, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19783] <... exit_group resumed>)   = ?
[pid 19783] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19787 attached
, child_tidptr=0x5555574e8650) = 19787
[pid 19787] set_robust_list(0x5555574e8660, 24) = 0
[pid 19787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19787] setpgid(0, 0)               = 0
[pid 19787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19787] write(3, "1000", 4)         = 4
[pid 19787] close(3)                    = 0
[  270.675824][T19783] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19787] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19787] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19787] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19787] close(5)                    = 0
[pid 19787] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19790 attached
) = 19790
[pid 19787] tkill(19790, SIGSTOP)       = 0
[pid 19787] exit_group(0 <unfinished ...>
[pid 19790] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19787, si_uid=65534} ---
[pid 19790] --- stopped by SIGSTOP ---
[pid 19787] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19790, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19787] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19791 attached
, child_tidptr=0x5555574e8650) = 19791
[pid 19791] set_robust_list(0x5555574e8660, 24) = 0
[pid 19791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19791] setpgid(0, 0)               = 0
[pid 19791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19791] write(3, "1000", 4)         = 4
[pid 19791] close(3)                    = 0
[  270.747564][T19787] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19791] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19791] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19791] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19791] close(5)                    = 0
[pid 19791] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19794 attached
) = 19794
[pid 19791] tkill(19794, SIGSTOP)       = 0
[pid 19794] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19791, si_uid=65534} ---
[pid 19791] exit_group(0 <unfinished ...>
[pid 19794] --- stopped by SIGSTOP ---
[pid 19791] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19794, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19791] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19795 attached
, child_tidptr=0x5555574e8650) = 19795
[pid 19795] set_robust_list(0x5555574e8660, 24) = 0
[pid 19795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19795] setpgid(0, 0)               = 0
[  270.817233][T19791] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19795] write(3, "1000", 4)         = 4
[pid 19795] close(3)                    = 0
[pid 19795] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19795] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19795] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19795] close(5)                    = 0
[pid 19795] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19798 attached
) = 19798
[pid 19795] tkill(19798, SIGSTOP)       = 0
[pid 19798] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19795, si_uid=65534} ---
[pid 19795] exit_group(0 <unfinished ...>
[pid 19798] --- stopped by SIGSTOP ---
[pid 19795] <... exit_group resumed>)   = ?
[pid 19795] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19798, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19799 attached
, child_tidptr=0x5555574e8650) = 19799
[pid 19799] set_robust_list(0x5555574e8660, 24) = 0
[pid 19799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19799] setpgid(0, 0)               = 0
[pid 19799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19799] write(3, "1000", 4)         = 4
[pid 19799] close(3)                    = 0
[  270.898043][T19795] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19799] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19799] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19799] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19799] close(5)                    = 0
[pid 19799] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19802 attached
) = 19802
[pid 19799] tkill(19802, SIGSTOP)       = 0
[pid 19802] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19799, si_uid=65534} ---
[pid 19799] exit_group(0 <unfinished ...>
[pid 19802] --- stopped by SIGSTOP ---
[pid 19799] <... exit_group resumed>)   = ?
[pid 19799] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19802, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19803 attached
, child_tidptr=0x5555574e8650) = 19803
[pid 19803] set_robust_list(0x5555574e8660, 24) = 0
[pid 19803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19803] setpgid(0, 0)               = 0
[pid 19803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19803] write(3, "1000", 4)         = 4
[  270.969150][T19799] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19803] close(3)                    = 0
[pid 19803] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19803] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19803] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19803] close(5)                    = 0
[pid 19803] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19806 attached
) = 19806
[pid 19803] tkill(19806, SIGSTOP)       = 0
[pid 19806] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19803, si_uid=65534} ---
[pid 19803] exit_group(0 <unfinished ...>
[pid 19806] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19806, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19803] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 19803] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19803, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19807 attached
, child_tidptr=0x5555574e8650) = 19807
[pid 19807] set_robust_list(0x5555574e8660, 24) = 0
[pid 19807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19807] setpgid(0, 0)               = 0
[pid 19807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19807] write(3, "1000", 4)         = 4
[pid 19807] close(3)                    = 0
[  271.042340][T19803] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19807] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19807] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19807] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19807] close(5)                    = 0
[pid 19807] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19810 attached
) = 19810
[pid 19807] tkill(19810, SIGSTOP)       = 0
[pid 19810] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19807, si_uid=65534} ---
[pid 19807] exit_group(0 <unfinished ...>
[pid 19810] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19810, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19807] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19807] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19811 attached
, child_tidptr=0x5555574e8650) = 19811
[pid 19811] set_robust_list(0x5555574e8660, 24) = 0
[pid 19811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19811] setpgid(0, 0)               = 0
[pid 19811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19811] write(3, "1000", 4)         = 4
[pid 19811] close(3)                    = 0
[  271.113850][T19807] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19811] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19811] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19811] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19811] close(5)                    = 0
[pid 19811] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19814 attached
) = 19814
[pid 19811] tkill(19814, SIGSTOP)       = 0
[pid 19814] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19811, si_uid=65534} ---
[pid 19811] exit_group(0 <unfinished ...>
[pid 19814] --- stopped by SIGSTOP ---
[pid 19811] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19814, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19811] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19815 attached
, child_tidptr=0x5555574e8650) = 19815
[pid 19815] set_robust_list(0x5555574e8660, 24) = 0
[pid 19815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19815] setpgid(0, 0)               = 0
[pid 19815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19815] write(3, "1000", 4)         = 4
[  271.187324][T19811] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19815] close(3)                    = 0
[pid 19815] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19815] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19815] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19815] close(5)                    = 0
[pid 19815] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19818 attached
) = 19818
[pid 19815] tkill(19818, SIGSTOP)       = 0
[pid 19818] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19815, si_uid=65534} ---
[pid 19815] exit_group(0 <unfinished ...>
[pid 19818] --- stopped by SIGSTOP ---
[pid 19815] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19818, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19815] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19815, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19819 attached
, child_tidptr=0x5555574e8650) = 19819
[pid 19819] set_robust_list(0x5555574e8660, 24) = 0
[pid 19819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19819] setpgid(0, 0)               = 0
[pid 19819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19819] write(3, "1000", 4)         = 4
[pid 19819] close(3)                    = 0
[pid 19819] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  271.262452][T19815] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19819] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19819] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19819] close(5)                    = 0
[pid 19819] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19822 attached
) = 19822
[pid 19819] tkill(19822, SIGSTOP)       = 0
[pid 19822] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19819, si_uid=65534} ---
[pid 19819] exit_group(0 <unfinished ...>
[pid 19822] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19822, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19819] <... exit_group resumed>)   = ?
[pid 19819] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19823 attached
, child_tidptr=0x5555574e8650) = 19823
[pid 19823] set_robust_list(0x5555574e8660, 24) = 0
[pid 19823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19823] setpgid(0, 0)               = 0
[pid 19823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19823] write(3, "1000", 4)         = 4
[pid 19823] close(3)                    = 0
[  271.331428][T19819] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19823] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19823] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19823] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19823] close(5)                    = 0
[pid 19823] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19826 attached
) = 19826
[pid 19823] tkill(19826, SIGSTOP)       = 0
[pid 19826] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19823, si_uid=65534} ---
[pid 19823] exit_group(0 <unfinished ...>
[pid 19826] --- stopped by SIGSTOP ---
[pid 19823] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19826, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19823] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19827 attached
, child_tidptr=0x5555574e8650) = 19827
[pid 19827] set_robust_list(0x5555574e8660, 24) = 0
[pid 19827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19827] setpgid(0, 0)               = 0
[pid 19827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  271.404973][T19823] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19827] write(3, "1000", 4)         = 4
[pid 19827] close(3)                    = 0
[pid 19827] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19827] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19827] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19827] close(5)                    = 0
[pid 19827] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19830 attached
) = 19830
[pid 19827] tkill(19830, SIGSTOP)       = 0
[pid 19830] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19827, si_uid=65534} ---
[pid 19827] exit_group(0 <unfinished ...>
[pid 19830] --- stopped by SIGSTOP ---
[pid 19827] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19830, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19827] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19827, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19831 attached
, child_tidptr=0x5555574e8650) = 19831
[pid 19831] set_robust_list(0x5555574e8660, 24) = 0
[pid 19831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19831] setpgid(0, 0)               = 0
[pid 19831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19831] write(3, "1000", 4)         = 4
[  271.483724][T19827] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19831] close(3)                    = 0
[pid 19831] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19831] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19831] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19831] close(5)                    = 0
[pid 19831] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19834 attached
) = 19834
[pid 19831] tkill(19834, SIGSTOP)       = 0
[pid 19834] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19831, si_uid=65534} ---
[pid 19831] exit_group(0 <unfinished ...>
[pid 19834] --- stopped by SIGSTOP ---
[pid 19831] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19834, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19831] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19835 attached
, child_tidptr=0x5555574e8650) = 19835
[pid 19835] set_robust_list(0x5555574e8660, 24) = 0
[pid 19835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19835] setpgid(0, 0)               = 0
[pid 19835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19835] write(3, "1000", 4)         = 4
[pid 19835] close(3)                    = 0
[  271.556206][T19831] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19835] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19835] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19835] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19835] close(5)                    = 0
[pid 19835] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19838 attached
) = 19838
[pid 19835] tkill(19838, SIGSTOP)       = 0
[pid 19838] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19835, si_uid=65534} ---
[pid 19835] exit_group(0 <unfinished ...>
[pid 19838] --- stopped by SIGSTOP ---
[pid 19835] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19838, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19835] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19839 attached
, child_tidptr=0x5555574e8650) = 19839
[pid 19839] set_robust_list(0x5555574e8660, 24) = 0
[pid 19839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19839] setpgid(0, 0)               = 0
[pid 19839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19839] write(3, "1000", 4)         = 4
[  271.627015][T19835] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19839] close(3)                    = 0
[pid 19839] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19839] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19839] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19839] close(5)                    = 0
[pid 19839] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19842 attached
) = 19842
[pid 19839] tkill(19842, SIGSTOP)       = 0
[pid 19839] exit_group(0 <unfinished ...>
[pid 19842] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19839, si_uid=65534} ---
[pid 19839] <... exit_group resumed>)   = ?
[pid 19842] --- stopped by SIGSTOP ---
[pid 19839] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19842, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19843 attached
, child_tidptr=0x5555574e8650) = 19843
[pid 19843] set_robust_list(0x5555574e8660, 24) = 0
[pid 19843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19843] setpgid(0, 0)               = 0
[pid 19843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19843] write(3, "1000", 4)         = 4
[pid 19843] close(3)                    = 0
[  271.699811][T19839] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19843] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19843] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19843] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19843] close(5)                    = 0
[pid 19843] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19846 attached
) = 19846
[pid 19843] tkill(19846, SIGSTOP)       = 0
[pid 19846] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19843, si_uid=65534} ---
[pid 19843] exit_group(0 <unfinished ...>
[pid 19846] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19846, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19843] <... exit_group resumed>)   = ?
[pid 19843] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19843, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19847 attached
, child_tidptr=0x5555574e8650) = 19847
[pid 19847] set_robust_list(0x5555574e8660, 24) = 0
[pid 19847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19847] setpgid(0, 0)               = 0
[pid 19847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19847] write(3, "1000", 4)         = 4
[pid 19847] close(3)                    = 0
[  271.772134][T19843] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19847] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19847] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19847] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19847] close(5)                    = 0
[pid 19847] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19850 attached
) = 19850
[pid 19847] tkill(19850, SIGSTOP)       = 0
[pid 19850] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19847, si_uid=65534} ---
[pid 19847] exit_group(0 <unfinished ...>
[pid 19850] --- stopped by SIGSTOP ---
[pid 19847] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19850, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19847] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19847, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19851 attached
, child_tidptr=0x5555574e8650) = 19851
[pid 19851] set_robust_list(0x5555574e8660, 24) = 0
[pid 19851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19851] setpgid(0, 0)               = 0
[pid 19851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19851] write(3, "1000", 4)         = 4
[pid 19851] close(3)                    = 0
[pid 19851] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  271.844460][T19847] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19851] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19851] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19851] close(5)                    = 0
[pid 19851] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19854 attached
) = 19854
[pid 19851] tkill(19854, SIGSTOP)       = 0
[pid 19851] exit_group(0 <unfinished ...>
[pid 19854] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19851, si_uid=65534} ---
[pid 19851] <... exit_group resumed>)   = ?
[pid 19854] --- stopped by SIGSTOP ---
[pid 19851] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19854, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19855 attached
, child_tidptr=0x5555574e8650) = 19855
[pid 19855] set_robust_list(0x5555574e8660, 24) = 0
[pid 19855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19855] setpgid(0, 0)               = 0
[pid 19855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19855] write(3, "1000", 4)         = 4
[pid 19855] close(3)                    = 0
[pid 19855] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  271.911981][T19851] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19855] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19855] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19855] close(5)                    = 0
[pid 19855] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19858 attached
) = 19858
[pid 19855] tkill(19858, SIGSTOP)       = 0
[pid 19858] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19855, si_uid=65534} ---
[pid 19855] exit_group(0 <unfinished ...>
[pid 19858] --- stopped by SIGSTOP ---
[pid 19855] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19858, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19855] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19859 attached
, child_tidptr=0x5555574e8650) = 19859
[pid 19859] set_robust_list(0x5555574e8660, 24) = 0
[pid 19859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19859] setpgid(0, 0)               = 0
[pid 19859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19859] write(3, "1000", 4)         = 4
[pid 19859] close(3)                    = 0
[  271.981432][T19855] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19859] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19859] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19859] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19859] close(5)                    = 0
[pid 19859] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19862 attached
) = 19862
[pid 19859] tkill(19862, SIGSTOP)       = 0
[pid 19862] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19859, si_uid=65534} ---
[pid 19859] exit_group(0 <unfinished ...>
[pid 19862] --- stopped by SIGSTOP ---
[pid 19859] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19862, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19859] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19863 attached
, child_tidptr=0x5555574e8650) = 19863
[pid 19863] set_robust_list(0x5555574e8660, 24) = 0
[pid 19863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19863] setpgid(0, 0)               = 0
[pid 19863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19863] write(3, "1000", 4)         = 4
[pid 19863] close(3)                    = 0
[  272.053441][T19859] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19863] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19863] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19863] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19863] close(5)                    = 0
[pid 19863] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19866 attached
) = 19866
[pid 19863] tkill(19866, SIGSTOP)       = 0
[pid 19866] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19863, si_uid=65534} ---
[pid 19863] exit_group(0 <unfinished ...>
[pid 19866] --- stopped by SIGSTOP ---
[pid 19863] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19866, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19863] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19867 attached
, child_tidptr=0x5555574e8650) = 19867
[pid 19867] set_robust_list(0x5555574e8660, 24) = 0
[pid 19867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  272.124505][T19863] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19867] setpgid(0, 0)               = 0
[pid 19867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19867] write(3, "1000", 4)         = 4
[pid 19867] close(3)                    = 0
[pid 19867] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19867] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19867] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19867] close(5)                    = 0
[pid 19867] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19870 attached
) = 19870
[pid 19867] tkill(19870, SIGSTOP)       = 0
[pid 19870] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19867, si_uid=65534} ---
[pid 19867] exit_group(0 <unfinished ...>
[pid 19870] --- stopped by SIGSTOP ---
[pid 19867] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19870, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19867] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19871 attached
, child_tidptr=0x5555574e8650) = 19871
[pid 19871] set_robust_list(0x5555574e8660, 24) = 0
[pid 19871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19871] setpgid(0, 0)               = 0
[pid 19871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19871] write(3, "1000", 4)         = 4
[  272.208247][T19867] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19871] close(3)                    = 0
[pid 19871] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19871] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19871] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19871] close(5)                    = 0
[pid 19871] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19874 attached
) = 19874
[pid 19871] tkill(19874, SIGSTOP)       = 0
[pid 19874] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19871, si_uid=65534} ---
[pid 19871] exit_group(0 <unfinished ...>
[pid 19874] --- stopped by SIGSTOP ---
[pid 19871] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19874, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19871] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19875 attached
, child_tidptr=0x5555574e8650) = 19875
[pid 19875] set_robust_list(0x5555574e8660, 24) = 0
[pid 19875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19875] setpgid(0, 0)               = 0
[pid 19875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19875] write(3, "1000", 4)         = 4
[  272.283634][T19871] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19875] close(3)                    = 0
[pid 19875] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19875] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19875] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19875] close(5)                    = 0
[pid 19875] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19878 attached
) = 19878
[pid 19875] tkill(19878, SIGSTOP)       = 0
[pid 19878] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19875, si_uid=65534} ---
[pid 19875] exit_group(0 <unfinished ...>
[pid 19878] --- stopped by SIGSTOP ---
[pid 19875] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19878, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19875] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19879 attached
, child_tidptr=0x5555574e8650) = 19879
[pid 19879] set_robust_list(0x5555574e8660, 24) = 0
[pid 19879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19879] setpgid(0, 0)               = 0
[pid 19879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19879] write(3, "1000", 4)         = 4
[  272.356549][T19875] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19879] close(3)                    = 0
[pid 19879] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19879] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19879] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19879] close(5)                    = 0
[pid 19879] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19882 attached
) = 19882
[pid 19879] tkill(19882, SIGSTOP)       = 0
[pid 19879] exit_group(0 <unfinished ...>
[pid 19882] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19879, si_uid=65534} ---
[pid 19879] <... exit_group resumed>)   = ?
[pid 19882] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19882, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19879] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19883 attached
, child_tidptr=0x5555574e8650) = 19883
[pid 19883] set_robust_list(0x5555574e8660, 24) = 0
[pid 19883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19883] setpgid(0, 0)               = 0
[pid 19883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19883] write(3, "1000", 4)         = 4
[  272.428822][T19879] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19883] close(3)                    = 0
[pid 19883] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19883] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19883] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19883] close(5)                    = 0
[pid 19883] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19886 attached
) = 19886
[pid 19883] tkill(19886, SIGSTOP)       = 0
[pid 19886] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19883, si_uid=65534} ---
[pid 19883] exit_group(0 <unfinished ...>
[pid 19886] --- stopped by SIGSTOP ---
[pid 19883] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19886, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19883] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19883, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19887 attached
, child_tidptr=0x5555574e8650) = 19887
[pid 19887] set_robust_list(0x5555574e8660, 24) = 0
[pid 19887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19887] setpgid(0, 0)               = 0
[pid 19887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19887] write(3, "1000", 4)         = 4
[  272.502371][T19883] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19887] close(3)                    = 0
[pid 19887] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19887] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19887] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19887] close(5)                    = 0
[pid 19887] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19890 attached
) = 19890
[pid 19887] tkill(19890, SIGSTOP)       = 0
[pid 19890] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19887, si_uid=65534} ---
[pid 19887] exit_group(0 <unfinished ...>
[pid 19890] --- stopped by SIGSTOP ---
[pid 19887] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19890, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19887] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19891 attached
, child_tidptr=0x5555574e8650) = 19891
[pid 19891] set_robust_list(0x5555574e8660, 24) = 0
[pid 19891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19891] setpgid(0, 0)               = 0
[pid 19891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19891] write(3, "1000", 4)         = 4
[pid 19891] close(3)                    = 0
[  272.576262][T19887] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19891] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19891] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19891] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19891] close(5)                    = 0
[pid 19891] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19894 attached
) = 19894
[pid 19891] tkill(19894, SIGSTOP)       = 0
[pid 19894] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19891, si_uid=65534} ---
[pid 19891] exit_group(0 <unfinished ...>
[pid 19894] --- stopped by SIGSTOP ---
[pid 19891] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19894, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19891] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19895 attached
, child_tidptr=0x5555574e8650) = 19895
[pid 19895] set_robust_list(0x5555574e8660, 24) = 0
[pid 19895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19895] setpgid(0, 0)               = 0
[pid 19895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19895] write(3, "1000", 4)         = 4
[  272.647120][T19891] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19895] close(3)                    = 0
[pid 19895] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19895] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19895] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19895] close(5)                    = 0
[pid 19895] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19898 attached
) = 19898
[pid 19895] tkill(19898, SIGSTOP)       = 0
[pid 19898] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19895, si_uid=65534} ---
[pid 19895] exit_group(0 <unfinished ...>
[pid 19898] --- stopped by SIGSTOP ---
[pid 19895] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19898, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19895] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19899 attached
, child_tidptr=0x5555574e8650) = 19899
[pid 19899] set_robust_list(0x5555574e8660, 24) = 0
[pid 19899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19899] setpgid(0, 0)               = 0
[pid 19899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  272.721674][T19895] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19899] write(3, "1000", 4)         = 4
[pid 19899] close(3)                    = 0
[pid 19899] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19899] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19899] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19899] close(5)                    = 0
[pid 19899] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19902 attached
) = 19902
[pid 19899] tkill(19902, SIGSTOP)       = 0
[pid 19902] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19899, si_uid=65534} ---
[pid 19899] exit_group(0 <unfinished ...>
[pid 19902] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19902, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19899] <... exit_group resumed>)   = ?
[pid 19899] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19903 attached
, child_tidptr=0x5555574e8650) = 19903
[pid 19903] set_robust_list(0x5555574e8660, 24) = 0
[pid 19903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19903] setpgid(0, 0)               = 0
[pid 19903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19903] write(3, "1000", 4)         = 4
[pid 19903] close(3)                    = 0
[  272.798237][T19899] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19903] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19903] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19903] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19903] close(5)                    = 0
[pid 19903] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19906 attached
) = 19906
[pid 19903] tkill(19906, SIGSTOP)       = 0
[pid 19906] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19903, si_uid=65534} ---
[pid 19903] exit_group(0 <unfinished ...>
[pid 19906] --- stopped by SIGSTOP ---
[pid 19903] <... exit_group resumed>)   = ?
[pid 19903] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19906, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19907 attached
, child_tidptr=0x5555574e8650) = 19907
[pid 19907] set_robust_list(0x5555574e8660, 24) = 0
[pid 19907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19907] setpgid(0, 0)               = 0
[pid 19907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19907] write(3, "1000", 4)         = 4
[pid 19907] close(3)                    = 0
[pid 19907] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  272.871159][T19903] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19907] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19907] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19907] close(5)                    = 0
[pid 19907] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19910 attached
) = 19910
[pid 19907] tkill(19910, SIGSTOP)       = 0
[pid 19910] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19907, si_uid=65534} ---
[pid 19907] exit_group(0 <unfinished ...>
[pid 19910] --- stopped by SIGSTOP ---
[pid 19907] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19910, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19907] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19911 attached
, child_tidptr=0x5555574e8650) = 19911
[pid 19911] set_robust_list(0x5555574e8660, 24) = 0
[pid 19911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19911] setpgid(0, 0)               = 0
[pid 19911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  272.938865][T19907] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19911] write(3, "1000", 4)         = 4
[pid 19911] close(3)                    = 0
[pid 19911] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19911] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19911] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19911] close(5)                    = 0
[pid 19911] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19914 attached
) = 19914
[pid 19911] tkill(19914, SIGSTOP)       = 0
[pid 19914] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19911, si_uid=65534} ---
[pid 19911] exit_group(0 <unfinished ...>
[pid 19914] --- stopped by SIGSTOP ---
[pid 19911] <... exit_group resumed>)   = ?
[pid 19911] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19914, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19915 attached
, child_tidptr=0x5555574e8650) = 19915
[pid 19915] set_robust_list(0x5555574e8660, 24) = 0
[pid 19915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19915] setpgid(0, 0)               = 0
[pid 19915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19915] write(3, "1000", 4)         = 4
[pid 19915] close(3)                    = 0
[  273.017941][T19911] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19915] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19915] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19915] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19915] close(5)                    = 0
[pid 19915] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19918 attached
) = 19918
[pid 19915] tkill(19918, SIGSTOP)       = 0
[pid 19918] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19915, si_uid=65534} ---
[pid 19915] exit_group(0 <unfinished ...>
[pid 19918] --- stopped by SIGSTOP ---
[pid 19915] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19918, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19915] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19919 attached
, child_tidptr=0x5555574e8650) = 19919
[pid 19919] set_robust_list(0x5555574e8660, 24) = 0
[pid 19919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19919] setpgid(0, 0)               = 0
[pid 19919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19919] write(3, "1000", 4)         = 4
[pid 19919] close(3)                    = 0
[  273.090526][T19915] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19919] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19919] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19919] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19919] close(5)                    = 0
[pid 19919] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19922 attached
) = 19922
[pid 19919] tkill(19922, SIGSTOP)       = 0
[pid 19922] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19919, si_uid=65534} ---
[pid 19919] exit_group(0 <unfinished ...>
[pid 19922] --- stopped by SIGSTOP ---
[pid 19919] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19922, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19919] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19923 attached
, child_tidptr=0x5555574e8650) = 19923
[pid 19923] set_robust_list(0x5555574e8660, 24) = 0
[pid 19923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19923] setpgid(0, 0)               = 0
[pid 19923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19923] write(3, "1000", 4)         = 4
[pid 19923] close(3)                    = 0
[pid 19923] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  273.159605][T19919] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19923] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19923] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19923] close(5)                    = 0
[pid 19923] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19926 attached
) = 19926
[pid 19923] tkill(19926, SIGSTOP)       = 0
[pid 19923] exit_group(0 <unfinished ...>
[pid 19926] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19923, si_uid=65534} ---
[pid 19923] <... exit_group resumed>)   = ?
[pid 19926] --- stopped by SIGSTOP ---
[pid 19923] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19926, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19927 attached
, child_tidptr=0x5555574e8650) = 19927
[pid 19927] set_robust_list(0x5555574e8660, 24) = 0
[pid 19927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19927] setpgid(0, 0)               = 0
[pid 19927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19927] write(3, "1000", 4)         = 4
[pid 19927] close(3)                    = 0
[pid 19927] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19927] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  273.224918][T19923] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19927] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19927] close(5)                    = 0
[pid 19927] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19930 attached
) = 19930
[pid 19927] tkill(19930, SIGSTOP)       = 0
[pid 19930] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19927, si_uid=65534} ---
[pid 19927] exit_group(0 <unfinished ...>
[pid 19930] --- stopped by SIGSTOP ---
[pid 19927] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19930, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19927] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19931 attached
, child_tidptr=0x5555574e8650) = 19931
[pid 19931] set_robust_list(0x5555574e8660, 24) = 0
[pid 19931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19931] setpgid(0, 0)               = 0
[pid 19931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19931] write(3, "1000", 4)         = 4
[pid 19931] close(3)                    = 0
[  273.289515][T19927] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19931] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19931] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19931] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19931] close(5)                    = 0
[pid 19931] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19934 attached
) = 19934
[pid 19931] tkill(19934, SIGSTOP)       = 0
[pid 19934] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19931, si_uid=65534} ---
[pid 19934] --- stopped by SIGSTOP ---
[pid 19931] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19934, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19931] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 19931] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19935 attached
, child_tidptr=0x5555574e8650) = 19935
[pid 19935] set_robust_list(0x5555574e8660, 24) = 0
[pid 19935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19935] setpgid(0, 0)               = 0
[pid 19935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19935] write(3, "1000", 4)         = 4
[pid 19935] close(3)                    = 0
[pid 19935] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  273.358110][T19931] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19935] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19935] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19935] close(5)                    = 0
[pid 19935] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19938 attached
) = 19938
[pid 19935] tkill(19938, SIGSTOP)       = 0
[pid 19938] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19935, si_uid=65534} ---
[pid 19935] exit_group(0 <unfinished ...>
[pid 19938] --- stopped by SIGSTOP ---
[pid 19935] <... exit_group resumed>)   = ?
[pid 19935] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19938, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19939 attached
, child_tidptr=0x5555574e8650) = 19939
[pid 19939] set_robust_list(0x5555574e8660, 24) = 0
[pid 19939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19939] setpgid(0, 0)               = 0
[pid 19939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19939] write(3, "1000", 4)         = 4
[pid 19939] close(3)                    = 0
[  273.425306][T19935] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19939] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19939] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19939] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19939] close(5)                    = 0
[pid 19939] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19942 attached
) = 19942
[pid 19939] tkill(19942, SIGSTOP)       = 0
[pid 19942] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19939, si_uid=65534} ---
[pid 19939] exit_group(0 <unfinished ...>
[pid 19942] --- stopped by SIGSTOP ---
[pid 19939] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19942, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19939] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19943 attached
, child_tidptr=0x5555574e8650) = 19943
[pid 19943] set_robust_list(0x5555574e8660, 24) = 0
[pid 19943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19943] setpgid(0, 0)               = 0
[pid 19943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19943] write(3, "1000", 4)         = 4
[  273.497251][T19939] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19943] close(3)                    = 0
[pid 19943] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19943] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19943] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19943] close(5)                    = 0
[pid 19943] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19946 attached
) = 19946
[pid 19943] tkill(19946, SIGSTOP)       = 0
[pid 19946] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19943, si_uid=65534} ---
[pid 19943] exit_group(0 <unfinished ...>
[pid 19946] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19946, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19943] <... exit_group resumed>)   = ?
[pid 19943] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19943, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19947 attached
, child_tidptr=0x5555574e8650) = 19947
[pid 19947] set_robust_list(0x5555574e8660, 24) = 0
[pid 19947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19947] setpgid(0, 0)               = 0
[pid 19947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19947] write(3, "1000", 4)         = 4
[  273.571582][T19943] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19947] close(3)                    = 0
[pid 19947] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19947] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19947] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19947] close(5)                    = 0
[pid 19947] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19950 attached
) = 19950
[pid 19947] tkill(19950, SIGSTOP)       = 0
[pid 19950] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19947, si_uid=65534} ---
[pid 19947] exit_group(0 <unfinished ...>
[pid 19950] --- stopped by SIGSTOP ---
[pid 19947] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19950, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19947] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19951 attached
, child_tidptr=0x5555574e8650) = 19951
[pid 19951] set_robust_list(0x5555574e8660, 24) = 0
[pid 19951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19951] setpgid(0, 0)               = 0
[  273.645300][T19947] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19951] write(3, "1000", 4)         = 4
[pid 19951] close(3)                    = 0
[pid 19951] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19951] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19951] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19951] close(5)                    = 0
[pid 19951] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19954 attached
) = 19954
[pid 19951] tkill(19954, SIGSTOP)       = 0
[pid 19954] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19951, si_uid=65534} ---
[pid 19951] exit_group(0 <unfinished ...>
[pid 19954] --- stopped by SIGSTOP ---
[pid 19951] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19954, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19951] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19955 attached
, child_tidptr=0x5555574e8650) = 19955
[pid 19955] set_robust_list(0x5555574e8660, 24) = 0
[pid 19955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19955] setpgid(0, 0)               = 0
[pid 19955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19955] write(3, "1000", 4)         = 4
[pid 19955] close(3)                    = 0
[  273.727434][T19951] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19955] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19955] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19955] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19955] close(5)                    = 0
[pid 19955] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19958 attached
) = 19958
[pid 19955] tkill(19958, SIGSTOP)       = 0
[pid 19958] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19955, si_uid=65534} ---
[pid 19955] exit_group(0 <unfinished ...>
[pid 19958] --- stopped by SIGSTOP ---
[pid 19955] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19958, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19955] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19959 attached
, child_tidptr=0x5555574e8650) = 19959
[pid 19959] set_robust_list(0x5555574e8660, 24) = 0
[pid 19959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19959] setpgid(0, 0)               = 0
[pid 19959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19959] write(3, "1000", 4)         = 4
[pid 19959] close(3)                    = 0
[  273.797919][T19955] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19959] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19959] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19959] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19959] close(5)                    = 0
[pid 19959] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19962 attached
) = 19962
[pid 19959] tkill(19962, SIGSTOP)       = 0
[pid 19962] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19959, si_uid=65534} ---
[pid 19959] exit_group(0 <unfinished ...>
[pid 19962] --- stopped by SIGSTOP ---
[pid 19959] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19962, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19959] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19959, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19963 attached
, child_tidptr=0x5555574e8650) = 19963
[pid 19963] set_robust_list(0x5555574e8660, 24) = 0
[pid 19963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19963] setpgid(0, 0)               = 0
[pid 19963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19963] write(3, "1000", 4)         = 4
[pid 19963] close(3)                    = 0
[  273.870713][T19959] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19963] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19963] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19963] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19963] close(5)                    = 0
[pid 19963] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19966 attached
) = 19966
[pid 19963] tkill(19966, SIGSTOP)       = 0
[pid 19966] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19963, si_uid=65534} ---
[pid 19963] exit_group(0 <unfinished ...>
[pid 19966] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19966, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19963] <... exit_group resumed>)   = ?
[pid 19963] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19963, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19967 attached
, child_tidptr=0x5555574e8650) = 19967
[pid 19967] set_robust_list(0x5555574e8660, 24) = 0
[pid 19967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19967] setpgid(0, 0)               = 0
[pid 19967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19967] write(3, "1000", 4)         = 4
[pid 19967] close(3)                    = 0
[pid 19967] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19967] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  273.941488][T19963] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19967] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19967] close(5)                    = 0
[pid 19967] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19970 attached
) = 19970
[pid 19967] tkill(19970, SIGSTOP)       = 0
[pid 19970] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19967, si_uid=65534} ---
[pid 19970] --- stopped by SIGSTOP ---
[pid 19967] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19970, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19967] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19967] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19971 attached
, child_tidptr=0x5555574e8650) = 19971
[pid 19971] set_robust_list(0x5555574e8660, 24) = 0
[pid 19971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19971] setpgid(0, 0)               = 0
[pid 19971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19971] write(3, "1000", 4)         = 4
[pid 19971] close(3)                    = 0
[  274.007218][T19967] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19971] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19971] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19971] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19971] close(5)                    = 0
[pid 19971] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19974 attached
) = 19974
[pid 19971] tkill(19974, SIGSTOP)       = 0
[pid 19974] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19971, si_uid=65534} ---
[pid 19971] exit_group(0 <unfinished ...>
[pid 19974] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19974, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19971] <... exit_group resumed>)   = ?
[pid 19971] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19975 attached
, child_tidptr=0x5555574e8650) = 19975
[pid 19975] set_robust_list(0x5555574e8660, 24) = 0
[pid 19975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19975] setpgid(0, 0)               = 0
[pid 19975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19975] write(3, "1000", 4)         = 4
[pid 19975] close(3)                    = 0
[  274.078667][T19971] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19975] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19975] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19975] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19975] close(5)                    = 0
[pid 19975] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19978 attached
) = 19978
[pid 19975] tkill(19978, SIGSTOP)       = 0
[pid 19978] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19975, si_uid=65534} ---
[pid 19975] exit_group(0 <unfinished ...>
[pid 19978] --- stopped by SIGSTOP ---
[pid 19975] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19978, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19975] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19979 attached
, child_tidptr=0x5555574e8650) = 19979
[pid 19979] set_robust_list(0x5555574e8660, 24) = 0
[pid 19979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19979] setpgid(0, 0)               = 0
[pid 19979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19979] write(3, "1000", 4)         = 4
[pid 19979] close(3)                    = 0
[  274.147963][T19975] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19979] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19979] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19979] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19979] close(5)                    = 0
[pid 19979] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19982 attached
) = 19982
[pid 19979] tkill(19982, SIGSTOP)       = 0
[pid 19982] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19979, si_uid=65534} ---
[pid 19979] exit_group(0 <unfinished ...>
[pid 19982] --- stopped by SIGSTOP ---
[pid 19979] <... exit_group resumed>)   = ?
[pid 19979] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19982, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19983 attached
, child_tidptr=0x5555574e8650) = 19983
[pid 19983] set_robust_list(0x5555574e8660, 24) = 0
[pid 19983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19983] setpgid(0, 0)               = 0
[pid 19983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19983] write(3, "1000", 4)         = 4
[pid 19983] close(3)                    = 0
[  274.218635][T19979] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19983] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19983] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19983] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19983] close(5)                    = 0
[pid 19983] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19986 attached
) = 19986
[pid 19983] tkill(19986, SIGSTOP)       = 0
[pid 19986] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19983, si_uid=65534} ---
[pid 19983] exit_group(0 <unfinished ...>
[pid 19986] --- stopped by SIGSTOP ---
[pid 19983] <... exit_group resumed>)   = ?
[pid 19983] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19986, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19987 attached
, child_tidptr=0x5555574e8650) = 19987
[pid 19987] set_robust_list(0x5555574e8660, 24) = 0
[pid 19987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19987] setpgid(0, 0)               = 0
[pid 19987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19987] write(3, "1000", 4)         = 4
[pid 19987] close(3)                    = 0
[  274.292207][T19983] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19987] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19987] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19987] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19987] close(5)                    = 0
[pid 19987] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19990 attached
) = 19990
[pid 19987] tkill(19990, SIGSTOP)       = 0
[pid 19987] exit_group(0 <unfinished ...>
[pid 19990] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19987, si_uid=65534} ---
[pid 19987] <... exit_group resumed>)   = ?
[pid 19990] --- stopped by SIGSTOP ---
[pid 19987] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19990, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19991 attached
, child_tidptr=0x5555574e8650) = 19991
[pid 19991] set_robust_list(0x5555574e8660, 24) = 0
[pid 19991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19991] setpgid(0, 0)               = 0
[pid 19991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19991] write(3, "1000", 4)         = 4
[pid 19991] close(3)                    = 0
[pid 19991] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  274.364449][T19987] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19991] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19991] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19991] close(5)                    = 0
[pid 19991] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19994 attached
) = 19994
[pid 19991] tkill(19994, SIGSTOP)       = 0
[pid 19994] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19991, si_uid=65534} ---
[pid 19991] exit_group(0 <unfinished ...>
[pid 19994] --- stopped by SIGSTOP ---
[pid 19991] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19994, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 19991] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19991, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19995 attached
, child_tidptr=0x5555574e8650) = 19995
[pid 19995] set_robust_list(0x5555574e8660, 24) = 0
[pid 19995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19995] setpgid(0, 0)               = 0
[pid 19995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19995] write(3, "1000", 4)         = 4
[pid 19995] close(3)                    = 0
[  274.433036][T19991] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19995] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19995] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19995] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19995] close(5)                    = 0
[pid 19995] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 19998 attached
) = 19998
[pid 19995] tkill(19998, SIGSTOP)       = 0
[pid 19998] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19995, si_uid=65534} ---
[pid 19995] exit_group(0 <unfinished ...>
[pid 19998] --- stopped by SIGSTOP ---
[pid 19995] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=19998, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19995] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19999 attached
, child_tidptr=0x5555574e8650) = 19999
[pid 19999] set_robust_list(0x5555574e8660, 24) = 0
[pid 19999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19999] setpgid(0, 0)               = 0
[pid 19999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19999] write(3, "1000", 4)         = 4
[pid 19999] close(3)                    = 0
[  274.504360][T19995] vhci_hcd vhci_hcd.0: port 0 already used
[pid 19999] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 19999] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 19999] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 19999] close(5)                    = 0
[pid 19999] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20002 attached
) = 20002
[pid 19999] tkill(20002, SIGSTOP)       = 0
[pid 20002] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=19999, si_uid=65534} ---
[pid 19999] exit_group(0 <unfinished ...>
[pid 20002] --- stopped by SIGSTOP ---
[pid 19999] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20002, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 19999] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20003 attached
, child_tidptr=0x5555574e8650) = 20003
[pid 20003] set_robust_list(0x5555574e8660, 24) = 0
[pid 20003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20003] setpgid(0, 0)               = 0
[pid 20003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20003] write(3, "1000", 4)         = 4
[pid 20003] close(3)                    = 0
[  274.572421][T19999] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20003] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20003] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20003] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20003] close(5)                    = 0
[pid 20003] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20006 attached
) = 20006
[pid 20003] tkill(20006, SIGSTOP)       = 0
[pid 20006] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20003, si_uid=65534} ---
[pid 20003] exit_group(0 <unfinished ...>
[pid 20006] --- stopped by SIGSTOP ---
[pid 20003] <... exit_group resumed>)   = ?
[pid 20003] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20006, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20007 attached
, child_tidptr=0x5555574e8650) = 20007
[pid 20007] set_robust_list(0x5555574e8660, 24) = 0
[pid 20007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20007] setpgid(0, 0)               = 0
[pid 20007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20007] write(3, "1000", 4)         = 4
[pid 20007] close(3)                    = 0
[  274.643142][T20003] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20007] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20007] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20007] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20007] close(5)                    = 0
[pid 20007] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20010 attached
) = 20010
[pid 20007] tkill(20010, SIGSTOP)       = 0
[pid 20010] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20007, si_uid=65534} ---
[pid 20007] exit_group(0 <unfinished ...>
[pid 20010] --- stopped by SIGSTOP ---
[pid 20007] <... exit_group resumed>)   = ?
[pid 20007] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20010, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20011 attached
, child_tidptr=0x5555574e8650) = 20011
[pid 20011] set_robust_list(0x5555574e8660, 24) = 0
[pid 20011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20011] setpgid(0, 0)               = 0
[pid 20011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20011] write(3, "1000", 4)         = 4
[pid 20011] close(3)                    = 0
[  274.714694][T20007] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20011] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20011] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20011] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20011] close(5)                    = 0
[pid 20011] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20014 attached
) = 20014
[pid 20011] tkill(20014, SIGSTOP)       = 0
[pid 20014] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20011, si_uid=65534} ---
[pid 20011] exit_group(0 <unfinished ...>
[pid 20014] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20014, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20011] <... exit_group resumed>)   = ?
[pid 20011] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20011, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20015 attached
, child_tidptr=0x5555574e8650) = 20015
[pid 20015] set_robust_list(0x5555574e8660, 24) = 0
[pid 20015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20015] setpgid(0, 0)               = 0
[pid 20015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20015] write(3, "1000", 4)         = 4
[pid 20015] close(3)                    = 0
[pid 20015] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20015] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  274.786633][T20011] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20015] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20015] close(5)                    = 0
[pid 20015] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20018 attached
) = 20018
[pid 20015] tkill(20018, SIGSTOP)       = 0
[pid 20018] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20015, si_uid=65534} ---
[pid 20015] exit_group(0 <unfinished ...>
[pid 20018] --- stopped by SIGSTOP ---
[pid 20015] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20018, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20015] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20015, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20019 attached
, child_tidptr=0x5555574e8650) = 20019
[pid 20019] set_robust_list(0x5555574e8660, 24) = 0
[pid 20019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20019] setpgid(0, 0)               = 0
[pid 20019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20019] write(3, "1000", 4)         = 4
[pid 20019] close(3)                    = 0
[pid 20019] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  274.850038][T20015] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20019] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20019] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20019] close(5)                    = 0
[pid 20019] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20022 attached
) = 20022
[pid 20019] tkill(20022, SIGSTOP)       = 0
[pid 20022] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20019, si_uid=65534} ---
[pid 20019] exit_group(0 <unfinished ...>
[pid 20022] --- stopped by SIGSTOP ---
[pid 20019] <... exit_group resumed>)   = ?
[pid 20019] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20022, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20023 attached
, child_tidptr=0x5555574e8650) = 20023
[pid 20023] set_robust_list(0x5555574e8660, 24) = 0
[pid 20023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20023] setpgid(0, 0)               = 0
[pid 20023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20023] write(3, "1000", 4)         = 4
[pid 20023] close(3)                    = 0
[  274.917020][T20019] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20023] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20023] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20023] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20023] close(5)                    = 0
[pid 20023] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20026 attached
) = 20026
[pid 20023] tkill(20026, SIGSTOP)       = 0
[pid 20026] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20023, si_uid=65534} ---
[pid 20026] --- stopped by SIGSTOP ---
[pid 20023] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20026, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20023] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20023] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20027 attached
, child_tidptr=0x5555574e8650) = 20027
[pid 20027] set_robust_list(0x5555574e8660, 24) = 0
[pid 20027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20027] setpgid(0, 0)               = 0
[pid 20027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20027] write(3, "1000", 4)         = 4
[pid 20027] close(3)                    = 0
[  274.987368][T20023] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20027] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20027] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20027] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20027] close(5)                    = 0
[pid 20027] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20030 attached
) = 20030
[pid 20027] tkill(20030, SIGSTOP)       = 0
[pid 20030] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20027, si_uid=65534} ---
[pid 20027] exit_group(0 <unfinished ...>
[pid 20030] --- stopped by SIGSTOP ---
[pid 20027] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20030, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20027] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20031 attached
, child_tidptr=0x5555574e8650) = 20031
[pid 20031] set_robust_list(0x5555574e8660, 24) = 0
[pid 20031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20031] setpgid(0, 0)               = 0
[pid 20031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20031] write(3, "1000", 4)         = 4
[pid 20031] close(3)                    = 0
[  275.056340][T20027] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20031] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20031] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20031] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20031] close(5)                    = 0
[pid 20031] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20034 attached
) = 20034
[pid 20031] tkill(20034, SIGSTOP)       = 0
[pid 20034] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20031, si_uid=65534} ---
[pid 20031] exit_group(0 <unfinished ...>
[pid 20034] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20034, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20031] <... exit_group resumed>)   = ?
[pid 20031] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20035 attached
, child_tidptr=0x5555574e8650) = 20035
[pid 20035] set_robust_list(0x5555574e8660, 24) = 0
[pid 20035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20035] setpgid(0, 0)               = 0
[pid 20035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20035] write(3, "1000", 4)         = 4
[pid 20035] close(3)                    = 0
[pid 20035] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  275.128736][T20031] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20035] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20035] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20035] close(5)                    = 0
[pid 20035] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20038 attached
) = 20038
[pid 20035] tkill(20038, SIGSTOP)       = 0
[pid 20038] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20035, si_uid=65534} ---
[pid 20035] exit_group(0 <unfinished ...>
[pid 20038] --- stopped by SIGSTOP ---
[pid 20035] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20038, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20035] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20039 attached
, child_tidptr=0x5555574e8650) = 20039
[pid 20039] set_robust_list(0x5555574e8660, 24) = 0
[pid 20039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20039] setpgid(0, 0)               = 0
[pid 20039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20039] write(3, "1000", 4)         = 4
[pid 20039] close(3)                    = 0
[  275.196015][T20035] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20039] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20039] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20039] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20039] close(5)                    = 0
[pid 20039] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20042 attached
) = 20042
[pid 20039] tkill(20042, SIGSTOP)       = 0
[pid 20039] exit_group(0 <unfinished ...>
[pid 20042] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20039, si_uid=65534} ---
[pid 20042] --- stopped by SIGSTOP ---
[pid 20039] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20042, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20039] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20039, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20043 attached
, child_tidptr=0x5555574e8650) = 20043
[pid 20043] set_robust_list(0x5555574e8660, 24) = 0
[pid 20043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20043] setpgid(0, 0)               = 0
[pid 20043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20043] write(3, "1000", 4)         = 4
[pid 20043] close(3)                    = 0
[  275.265193][T20039] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20043] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20043] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20043] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20043] close(5)                    = 0
[pid 20043] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20046 attached
) = 20046
[pid 20043] tkill(20046, SIGSTOP)       = 0
[pid 20046] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20043, si_uid=65534} ---
[pid 20043] exit_group(0 <unfinished ...>
[pid 20046] --- stopped by SIGSTOP ---
[pid 20043] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20046, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20043] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20043, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20047 attached
, child_tidptr=0x5555574e8650) = 20047
[pid 20047] set_robust_list(0x5555574e8660, 24) = 0
[pid 20047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20047] setpgid(0, 0)               = 0
[pid 20047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20047] write(3, "1000", 4)         = 4
[pid 20047] close(3)                    = 0
[  275.333820][T20043] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20047] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20047] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20047] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20047] close(5)                    = 0
[pid 20047] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20050 attached
) = 20050
[pid 20047] tkill(20050, SIGSTOP)       = 0
[pid 20050] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20047, si_uid=65534} ---
[pid 20047] exit_group(0 <unfinished ...>
[pid 20050] --- stopped by SIGSTOP ---
[pid 20047] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20050, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20047] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20047, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20051 attached
, child_tidptr=0x5555574e8650) = 20051
[pid 20051] set_robust_list(0x5555574e8660, 24) = 0
[pid 20051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20051] setpgid(0, 0)               = 0
[pid 20051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20051] write(3, "1000", 4)         = 4
[pid 20051] close(3)                    = 0
[  275.404554][T20047] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20051] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20051] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20051] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20051] close(5)                    = 0
[pid 20051] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20054 attached
) = 20054
[pid 20051] tkill(20054, SIGSTOP)       = 0
[pid 20054] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20051, si_uid=65534} ---
[pid 20051] exit_group(0 <unfinished ...>
[pid 20054] --- stopped by SIGSTOP ---
[pid 20051] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20054, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20051] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20051, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20055 attached
, child_tidptr=0x5555574e8650) = 20055
[pid 20055] set_robust_list(0x5555574e8660, 24) = 0
[pid 20055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20055] setpgid(0, 0)               = 0
[pid 20055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20055] write(3, "1000", 4)         = 4
[pid 20055] close(3)                    = 0
[  275.473066][T20051] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20055] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20055] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20055] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20055] close(5)                    = 0
[pid 20055] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20058 attached
) = 20058
[pid 20055] tkill(20058, SIGSTOP)       = 0
[pid 20058] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20055, si_uid=65534} ---
[pid 20055] exit_group(0 <unfinished ...>
[pid 20058] --- stopped by SIGSTOP ---
[pid 20055] <... exit_group resumed>)   = ?
[pid 20055] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20058, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20059 attached
, child_tidptr=0x5555574e8650) = 20059
[pid 20059] set_robust_list(0x5555574e8660, 24) = 0
[pid 20059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20059] setpgid(0, 0)               = 0
[pid 20059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20059] write(3, "1000", 4)         = 4
[pid 20059] close(3)                    = 0
[  275.544406][T20055] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20059] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20059] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20059] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20059] close(5)                    = 0
[pid 20059] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20062 attached
) = 20062
[pid 20059] tkill(20062, SIGSTOP)       = 0
[pid 20062] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20059, si_uid=65534} ---
[pid 20059] exit_group(0 <unfinished ...>
[pid 20062] --- stopped by SIGSTOP ---
[pid 20059] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20062, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20059] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20059, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20063 attached
, child_tidptr=0x5555574e8650) = 20063
[pid 20063] set_robust_list(0x5555574e8660, 24) = 0
[pid 20063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20063] setpgid(0, 0)               = 0
[pid 20063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20063] write(3, "1000", 4)         = 4
[pid 20063] close(3)                    = 0
[  275.616574][T20059] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20063] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20063] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20063] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20063] close(5)                    = 0
[pid 20063] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20066 attached
) = 20066
[pid 20063] tkill(20066, SIGSTOP)       = 0
[pid 20066] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20063, si_uid=65534} ---
[pid 20063] exit_group(0 <unfinished ...>
[pid 20066] --- stopped by SIGSTOP ---
[pid 20063] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20066, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20063] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20067 attached
, child_tidptr=0x5555574e8650) = 20067
[pid 20067] set_robust_list(0x5555574e8660, 24) = 0
[pid 20067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20067] setpgid(0, 0)               = 0
[pid 20067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20067] write(3, "1000", 4)         = 4
[pid 20067] close(3)                    = 0
[pid 20067] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  275.686885][T20063] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20067] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20067] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20067] close(5)                    = 0
[pid 20067] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20070 attached
) = 20070
[pid 20067] tkill(20070, SIGSTOP)       = 0
[pid 20067] exit_group(0)               = ?
[pid 20070] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20067, si_uid=65534} ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20070, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20070] --- stopped by SIGSTOP ---
[pid 20067] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20067, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20071 attached
, child_tidptr=0x5555574e8650) = 20071
[pid 20071] set_robust_list(0x5555574e8660, 24) = 0
[pid 20071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20071] setpgid(0, 0)               = 0
[pid 20071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20071] write(3, "1000", 4)         = 4
[pid 20071] close(3)                    = 0
[  275.753638][T20067] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20071] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20071] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20071] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20071] close(5)                    = 0
[pid 20071] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20074 attached
) = 20074
[pid 20071] tkill(20074, SIGSTOP)       = 0
[pid 20071] exit_group(0 <unfinished ...>
[pid 20074] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20071, si_uid=65534} ---
[pid 20071] <... exit_group resumed>)   = ?
[pid 20074] --- stopped by SIGSTOP ---
[pid 20071] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20074, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20075 attached
, child_tidptr=0x5555574e8650) = 20075
[pid 20075] set_robust_list(0x5555574e8660, 24) = 0
[pid 20075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20075] setpgid(0, 0)               = 0
[pid 20075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20075] write(3, "1000", 4)         = 4
[pid 20075] close(3)                    = 0
[  275.824633][T20071] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20075] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20075] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20075] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20075] close(5)                    = 0
[pid 20075] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20078 attached
) = 20078
[pid 20075] tkill(20078, SIGSTOP)       = 0
[pid 20078] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20075, si_uid=65534} ---
[pid 20075] exit_group(0 <unfinished ...>
[pid 20078] --- stopped by SIGSTOP ---
[pid 20075] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20078, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20075] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20079 attached
, child_tidptr=0x5555574e8650) = 20079
[pid 20079] set_robust_list(0x5555574e8660, 24) = 0
[pid 20079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20079] setpgid(0, 0)               = 0
[pid 20079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  275.894183][T20075] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20079] write(3, "1000", 4)         = 4
[pid 20079] close(3)                    = 0
[pid 20079] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20079] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20079] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20079] close(5)                    = 0
[pid 20079] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20082 attached
) = 20082
[pid 20079] tkill(20082, SIGSTOP)       = 0
[pid 20082] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20079, si_uid=65534} ---
[pid 20079] exit_group(0 <unfinished ...>
[pid 20082] --- stopped by SIGSTOP ---
[pid 20079] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20082, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20079] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20083 attached
, child_tidptr=0x5555574e8650) = 20083
[pid 20083] set_robust_list(0x5555574e8660, 24) = 0
[pid 20083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20083] setpgid(0, 0)               = 0
[pid 20083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20083] write(3, "1000", 4)         = 4
[pid 20083] close(3)                    = 0
[  275.972386][T20079] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20083] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20083] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20083] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20083] close(5)                    = 0
[pid 20083] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20086 attached
) = 20086
[pid 20083] tkill(20086, SIGSTOP)       = 0
[pid 20086] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20083, si_uid=65534} ---
[pid 20083] exit_group(0 <unfinished ...>
[pid 20086] --- stopped by SIGSTOP ---
[pid 20083] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20086, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20083] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20087 attached
, child_tidptr=0x5555574e8650) = 20087
[pid 20087] set_robust_list(0x5555574e8660, 24) = 0
[pid 20087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20087] setpgid(0, 0)               = 0
[pid 20087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  276.041829][T20083] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20087] write(3, "1000", 4)         = 4
[pid 20087] close(3)                    = 0
[pid 20087] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20087] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20087] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20087] close(5)                    = 0
[pid 20087] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20090 attached
) = 20090
[pid 20087] tkill(20090, SIGSTOP)       = 0
[pid 20090] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20087, si_uid=65534} ---
[pid 20087] exit_group(0 <unfinished ...>
[pid 20090] --- stopped by SIGSTOP ---
[pid 20087] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20090, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20087] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20087, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20091 attached
, child_tidptr=0x5555574e8650) = 20091
[pid 20091] set_robust_list(0x5555574e8660, 24) = 0
[pid 20091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20091] setpgid(0, 0)               = 0
[pid 20091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20091] write(3, "1000", 4)         = 4
[pid 20091] close(3)                    = 0
[  276.120233][T20087] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20091] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20091] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20091] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20091] close(5)                    = 0
[pid 20091] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20094 attached
) = 20094
[pid 20091] tkill(20094, SIGSTOP)       = 0
[pid 20094] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20091, si_uid=65534} ---
[pid 20091] exit_group(0 <unfinished ...>
[pid 20094] --- stopped by SIGSTOP ---
[pid 20091] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20094, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20091] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20095 attached
, child_tidptr=0x5555574e8650) = 20095
[pid 20095] set_robust_list(0x5555574e8660, 24) = 0
[pid 20095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20095] setpgid(0, 0)               = 0
[pid 20095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20095] write(3, "1000", 4)         = 4
[pid 20095] close(3)                    = 0
[  276.189422][T20091] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20095] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20095] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20095] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20095] close(5)                    = 0
[pid 20095] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20098 attached
) = 20098
[pid 20095] tkill(20098, SIGSTOP)       = 0
[pid 20098] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20095, si_uid=65534} ---
[pid 20095] exit_group(0 <unfinished ...>
[pid 20098] --- stopped by SIGSTOP ---
[pid 20095] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20098, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20095] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20099 attached
, child_tidptr=0x5555574e8650) = 20099
[pid 20099] set_robust_list(0x5555574e8660, 24) = 0
[pid 20099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20099] setpgid(0, 0)               = 0
[pid 20099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20099] write(3, "1000", 4)         = 4
[  276.259679][T20095] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20099] close(3)                    = 0
[pid 20099] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20099] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20099] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20099] close(5)                    = 0
[pid 20099] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20102 attached
) = 20102
[pid 20099] tkill(20102, SIGSTOP)       = 0
[pid 20102] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20099, si_uid=65534} ---
[pid 20099] exit_group(0 <unfinished ...>
[pid 20102] --- stopped by SIGSTOP ---
[pid 20099] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20102, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20099] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20103 attached
, child_tidptr=0x5555574e8650) = 20103
[pid 20103] set_robust_list(0x5555574e8660, 24) = 0
[pid 20103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20103] setpgid(0, 0)               = 0
[  276.334607][T20099] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20103] write(3, "1000", 4)         = 4
[pid 20103] close(3)                    = 0
[pid 20103] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20103] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20103] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20103] close(5)                    = 0
[pid 20103] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20106 attached
) = 20106
[pid 20103] tkill(20106, SIGSTOP)       = 0
[pid 20106] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20103, si_uid=65534} ---
[pid 20103] exit_group(0 <unfinished ...>
[pid 20106] --- stopped by SIGSTOP ---
[pid 20103] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20106, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20103] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20107 attached
, child_tidptr=0x5555574e8650) = 20107
[pid 20107] set_robust_list(0x5555574e8660, 24) = 0
[pid 20107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20107] setpgid(0, 0)               = 0
[pid 20107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20107] write(3, "1000", 4)         = 4
[pid 20107] close(3)                    = 0
[  276.414783][T20103] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20107] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20107] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20107] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20107] close(5)                    = 0
[pid 20107] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20110 attached
) = 20110
[pid 20107] tkill(20110, SIGSTOP)       = 0
[pid 20110] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20107, si_uid=65534} ---
[pid 20107] exit_group(0)               = ?
[pid 20110] --- stopped by SIGSTOP ---
[pid 20107] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20110, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20111 attached
, child_tidptr=0x5555574e8650) = 20111
[pid 20111] set_robust_list(0x5555574e8660, 24) = 0
[pid 20111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20111] setpgid(0, 0)               = 0
[pid 20111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20111] write(3, "1000", 4)         = 4
[pid 20111] close(3)                    = 0
[  276.483321][T20107] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20111] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20111] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20111] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20111] close(5)                    = 0
[pid 20111] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20114 attached
) = 20114
[pid 20111] tkill(20114, SIGSTOP)       = 0
[pid 20114] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20111, si_uid=65534} ---
[pid 20111] exit_group(0 <unfinished ...>
[pid 20114] --- stopped by SIGSTOP ---
[pid 20111] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20114, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20111] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20111, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20115 attached
, child_tidptr=0x5555574e8650) = 20115
[pid 20115] set_robust_list(0x5555574e8660, 24) = 0
[pid 20115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20115] setpgid(0, 0)               = 0
[pid 20115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20115] write(3, "1000", 4)         = 4
[pid 20115] close(3)                    = 0
[  276.552505][T20111] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20115] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20115] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20115] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20115] close(5)                    = 0
[pid 20115] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20118 attached
) = 20118
[pid 20115] tkill(20118, SIGSTOP)       = 0
[pid 20118] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20115, si_uid=65534} ---
[pid 20115] exit_group(0 <unfinished ...>
[pid 20118] --- stopped by SIGSTOP ---
[pid 20115] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20118, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20115] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20119 attached
, child_tidptr=0x5555574e8650) = 20119
[pid 20119] set_robust_list(0x5555574e8660, 24) = 0
[pid 20119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20119] setpgid(0, 0)               = 0
[pid 20119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20119] write(3, "1000", 4)         = 4
[pid 20119] close(3)                    = 0
[  276.621890][T20115] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20119] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20119] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20119] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20119] close(5)                    = 0
[pid 20119] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20122 attached
) = 20122
[pid 20119] tkill(20122, SIGSTOP)       = 0
[pid 20122] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20119, si_uid=65534} ---
[pid 20119] exit_group(0 <unfinished ...>
[pid 20122] --- stopped by SIGSTOP ---
[pid 20119] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20122, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20119] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20119, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20123 attached
, child_tidptr=0x5555574e8650) = 20123
[pid 20123] set_robust_list(0x5555574e8660, 24) = 0
[pid 20123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20123] setpgid(0, 0)               = 0
[  276.693598][T20119] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20123] write(3, "1000", 4)         = 4
[pid 20123] close(3)                    = 0
[pid 20123] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20123] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20123] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20123] close(5)                    = 0
[pid 20123] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20126 attached
) = 20126
[pid 20123] tkill(20126, SIGSTOP)       = 0
[pid 20126] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20123, si_uid=65534} ---
[pid 20123] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20126, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20126] --- stopped by SIGSTOP ---
[pid 20123] <... exit_group resumed>)   = ?
[pid 20123] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20123, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20127 attached
, child_tidptr=0x5555574e8650) = 20127
[pid 20127] set_robust_list(0x5555574e8660, 24) = 0
[pid 20127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20127] setpgid(0, 0)               = 0
[pid 20127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20127] write(3, "1000", 4)         = 4
[pid 20127] close(3)                    = 0
[pid 20127] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  276.774275][T20123] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20127] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20127] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20127] close(5)                    = 0
[pid 20127] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20130 attached
) = 20130
[pid 20127] tkill(20130, SIGSTOP)       = 0
[pid 20130] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20127, si_uid=65534} ---
[pid 20127] exit_group(0 <unfinished ...>
[pid 20130] --- stopped by SIGSTOP ---
[pid 20127] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20130, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20127] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20131 attached
, child_tidptr=0x5555574e8650) = 20131
[pid 20131] set_robust_list(0x5555574e8660, 24) = 0
[pid 20131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20131] setpgid(0, 0)               = 0
[pid 20131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20131] write(3, "1000", 4)         = 4
[pid 20131] close(3)                    = 0
[  276.840314][T20127] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20131] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20131] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20131] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20131] close(5)                    = 0
[pid 20131] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20134 attached
) = 20134
[pid 20131] tkill(20134, SIGSTOP)       = 0
[pid 20134] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20131, si_uid=65534} ---
[pid 20131] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20134, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20134] --- stopped by SIGSTOP ---
[pid 20131] <... exit_group resumed>)   = ?
[pid 20131] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20131, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20135 attached
, child_tidptr=0x5555574e8650) = 20135
[pid 20135] set_robust_list(0x5555574e8660, 24) = 0
[pid 20135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20135] setpgid(0, 0)               = 0
[pid 20135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20135] write(3, "1000", 4)         = 4
[pid 20135] close(3)                    = 0
[pid 20135] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20135] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  276.911276][T20131] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20135] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20135] close(5)                    = 0
[pid 20135] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20138 attached
) = 20138
[pid 20135] tkill(20138, SIGSTOP)       = 0
[pid 20138] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20135, si_uid=65534} ---
[pid 20135] exit_group(0 <unfinished ...>
[pid 20138] --- stopped by SIGSTOP ---
[pid 20135] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20138, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20135] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20135, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20139 attached
, child_tidptr=0x5555574e8650) = 20139
[pid 20139] set_robust_list(0x5555574e8660, 24) = 0
[pid 20139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20139] setpgid(0, 0)               = 0
[  276.973638][T20135] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20139] write(3, "1000", 4)         = 4
[pid 20139] close(3)                    = 0
[pid 20139] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20139] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20139] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20139] close(5)                    = 0
[pid 20139] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20142 attached
) = 20142
[pid 20139] tkill(20142, SIGSTOP)       = 0
[pid 20139] exit_group(0 <unfinished ...>
[pid 20142] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20139, si_uid=65534} ---
[pid 20139] <... exit_group resumed>)   = ?
[pid 20142] --- stopped by SIGSTOP ---
[pid 20139] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20142, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20143 attached
, child_tidptr=0x5555574e8650) = 20143
[pid 20143] set_robust_list(0x5555574e8660, 24) = 0
[pid 20143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  277.056153][T20139] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20143] setpgid(0, 0)               = 0
[pid 20143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20143] write(3, "1000", 4)         = 4
[pid 20143] close(3)                    = 0
[pid 20143] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20143] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20143] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20143] close(5)                    = 0
[pid 20143] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20146 attached
) = 20146
[pid 20143] tkill(20146, SIGSTOP)       = 0
[pid 20146] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20143, si_uid=65534} ---
[pid 20143] exit_group(0 <unfinished ...>
[pid 20146] --- stopped by SIGSTOP ---
[pid 20143] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20146, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20143] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20143, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20147 attached
, child_tidptr=0x5555574e8650) = 20147
[pid 20147] set_robust_list(0x5555574e8660, 24) = 0
[pid 20147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20147] setpgid(0, 0)               = 0
[pid 20147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20147] write(3, "1000", 4)         = 4
[pid 20147] close(3)                    = 0
[pid 20147] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  277.141187][T20143] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20147] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20147] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20147] close(5)                    = 0
[pid 20147] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20150 attached
) = 20150
[pid 20147] tkill(20150, SIGSTOP)       = 0
[pid 20150] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20147, si_uid=65534} ---
[pid 20147] exit_group(0 <unfinished ...>
[pid 20150] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20150, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20147] <... exit_group resumed>)   = ?
[pid 20147] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20151 attached
, child_tidptr=0x5555574e8650) = 20151
[pid 20151] set_robust_list(0x5555574e8660, 24) = 0
[pid 20151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20151] setpgid(0, 0)               = 0
[pid 20151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20151] write(3, "1000", 4)         = 4
[  277.207167][T20147] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20151] close(3)                    = 0
[pid 20151] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20151] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20151] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20151] close(5)                    = 0
[pid 20151] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20154 attached
) = 20154
[pid 20151] tkill(20154, SIGSTOP)       = 0
[pid 20154] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20151, si_uid=65534} ---
[pid 20151] exit_group(0 <unfinished ...>
[pid 20154] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20154, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20151] <... exit_group resumed>)   = ?
[pid 20151] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20151, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20155 attached
, child_tidptr=0x5555574e8650) = 20155
[pid 20155] set_robust_list(0x5555574e8660, 24) = 0
[pid 20155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20155] setpgid(0, 0)               = 0
[pid 20155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20155] write(3, "1000", 4)         = 4
[pid 20155] close(3)                    = 0
[pid 20155] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  277.280319][T20151] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20155] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20155] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20155] close(5)                    = 0
[pid 20155] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20158 attached
) = 20158
[pid 20155] tkill(20158, SIGSTOP)       = 0
[pid 20158] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20155, si_uid=65534} ---
[pid 20155] exit_group(0 <unfinished ...>
[pid 20158] --- stopped by SIGSTOP ---
[pid 20155] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20158, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20155] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20159 attached
, child_tidptr=0x5555574e8650) = 20159
[pid 20159] set_robust_list(0x5555574e8660, 24) = 0
[pid 20159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20159] setpgid(0, 0)               = 0
[pid 20159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  277.348459][T20155] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20159] write(3, "1000", 4)         = 4
[pid 20159] close(3)                    = 0
[pid 20159] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20159] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20159] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20159] close(5)                    = 0
[pid 20159] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20162 attached
) = 20162
[pid 20159] tkill(20162, SIGSTOP)       = 0
[pid 20159] exit_group(0 <unfinished ...>
[pid 20162] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20159, si_uid=65534} ---
[pid 20159] <... exit_group resumed>)   = ?
[pid 20162] --- stopped by SIGSTOP ---
[pid 20159] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20162, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20163 attached
, child_tidptr=0x5555574e8650) = 20163
[pid 20163] set_robust_list(0x5555574e8660, 24) = 0
[pid 20163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20163] setpgid(0, 0)               = 0
[pid 20163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20163] write(3, "1000", 4)         = 4
[  277.427658][T20159] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20163] close(3)                    = 0
[pid 20163] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20163] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20163] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20163] close(5)                    = 0
[pid 20163] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20166 attached
) = 20166
[pid 20163] tkill(20166, SIGSTOP)       = 0
[pid 20166] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20163, si_uid=65534} ---
[pid 20163] exit_group(0 <unfinished ...>
[pid 20166] --- stopped by SIGSTOP ---
[pid 20163] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20166, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20163] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20163, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20167 attached
, child_tidptr=0x5555574e8650) = 20167
[pid 20167] set_robust_list(0x5555574e8660, 24) = 0
[pid 20167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20167] setpgid(0, 0)               = 0
[pid 20167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20167] write(3, "1000", 4)         = 4
[pid 20167] close(3)                    = 0
[  277.501747][T20163] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20167] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20167] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20167] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20167] close(5)                    = 0
[pid 20167] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20170 attached
) = 20170
[pid 20167] tkill(20170, SIGSTOP)       = 0
[pid 20170] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20167, si_uid=65534} ---
[pid 20167] exit_group(0 <unfinished ...>
[pid 20170] --- stopped by SIGSTOP ---
[pid 20167] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20170, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20167] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20167, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20171 attached
, child_tidptr=0x5555574e8650) = 20171
[pid 20171] set_robust_list(0x5555574e8660, 24) = 0
[pid 20171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20171] setpgid(0, 0)               = 0
[pid 20171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20171] write(3, "1000", 4)         = 4
[pid 20171] close(3)                    = 0
[  277.572396][T20167] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20171] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20171] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20171] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20171] close(5)                    = 0
[pid 20171] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20174 attached
) = 20174
[pid 20171] tkill(20174, SIGSTOP)       = 0
[pid 20174] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20171, si_uid=65534} ---
[pid 20171] exit_group(0 <unfinished ...>
[pid 20174] --- stopped by SIGSTOP ---
[pid 20171] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20174, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20171] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20171, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20175 attached
, child_tidptr=0x5555574e8650) = 20175
[pid 20175] set_robust_list(0x5555574e8660, 24) = 0
[pid 20175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20175] setpgid(0, 0)               = 0
[pid 20175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20175] write(3, "1000", 4)         = 4
[pid 20175] close(3)                    = 0
[  277.643813][T20171] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20175] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20175] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20175] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20175] close(5)                    = 0
[pid 20175] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20178 attached
) = 20178
[pid 20175] tkill(20178, SIGSTOP)       = 0
[pid 20178] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20175, si_uid=65534} ---
[pid 20175] exit_group(0 <unfinished ...>
[pid 20178] --- stopped by SIGSTOP ---
[pid 20175] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20178, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20175] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20175, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20179 attached
, child_tidptr=0x5555574e8650) = 20179
[pid 20179] set_robust_list(0x5555574e8660, 24) = 0
[pid 20179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20179] setpgid(0, 0)               = 0
[  277.713192][T20175] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20179] write(3, "1000", 4)         = 4
[pid 20179] close(3)                    = 0
[pid 20179] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20179] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20179] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20179] close(5)                    = 0
[pid 20179] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20182 attached
) = 20182
[pid 20179] tkill(20182, SIGSTOP)       = 0
[pid 20182] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20179, si_uid=65534} ---
[pid 20179] exit_group(0 <unfinished ...>
[pid 20182] --- stopped by SIGSTOP ---
[pid 20179] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20182, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20179] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20183 attached
, child_tidptr=0x5555574e8650) = 20183
[pid 20183] set_robust_list(0x5555574e8660, 24) = 0
[pid 20183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20183] setpgid(0, 0)               = 0
[pid 20183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20183] write(3, "1000", 4)         = 4
[  277.795883][T20179] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20183] close(3)                    = 0
[pid 20183] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20183] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20183] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20183] close(5)                    = 0
[pid 20183] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20186 attached
) = 20186
[pid 20183] tkill(20186, SIGSTOP)       = 0
[pid 20186] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20183, si_uid=65534} ---
[pid 20183] exit_group(0 <unfinished ...>
[pid 20186] --- stopped by SIGSTOP ---
[pid 20183] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20186, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20183] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20183, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20187 attached
, child_tidptr=0x5555574e8650) = 20187
[pid 20187] set_robust_list(0x5555574e8660, 24) = 0
[pid 20187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20187] setpgid(0, 0)               = 0
[pid 20187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20187] write(3, "1000", 4)         = 4
[  277.869956][T20183] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20187] close(3)                    = 0
[pid 20187] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20187] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20187] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20187] close(5)                    = 0
[pid 20187] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20190 attached
) = 20190
[pid 20187] tkill(20190, SIGSTOP)       = 0
[pid 20190] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20187, si_uid=65534} ---
[pid 20187] exit_group(0 <unfinished ...>
[pid 20190] --- stopped by SIGSTOP ---
[pid 20187] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20190, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20187] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20187, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20191 attached
, child_tidptr=0x5555574e8650) = 20191
[pid 20191] set_robust_list(0x5555574e8660, 24) = 0
[pid 20191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20191] setpgid(0, 0)               = 0
[pid 20191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20191] write(3, "1000", 4)         = 4
[  277.942456][T20187] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20191] close(3)                    = 0
[pid 20191] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20191] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20191] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20191] close(5)                    = 0
[pid 20191] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20194 attached
) = 20194
[pid 20191] tkill(20194, SIGSTOP)       = 0
[pid 20194] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20191, si_uid=65534} ---
[pid 20191] exit_group(0 <unfinished ...>
[pid 20194] --- stopped by SIGSTOP ---
[pid 20191] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20194, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20191] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20195 attached
, child_tidptr=0x5555574e8650) = 20195
[pid 20195] set_robust_list(0x5555574e8660, 24) = 0
[pid 20195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20195] setpgid(0, 0)               = 0
[pid 20195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20195] write(3, "1000", 4)         = 4
[  278.015938][T20191] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20195] close(3)                    = 0
[pid 20195] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20195] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20195] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20195] close(5)                    = 0
[pid 20195] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20198 attached
) = 20198
[pid 20195] tkill(20198, SIGSTOP)       = 0
[pid 20198] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20195, si_uid=65534} ---
[pid 20195] exit_group(0 <unfinished ...>
[pid 20198] --- stopped by SIGSTOP ---
[pid 20195] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20198, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20195] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20199 attached
, child_tidptr=0x5555574e8650) = 20199
[pid 20199] set_robust_list(0x5555574e8660, 24) = 0
[pid 20199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20199] setpgid(0, 0)               = 0
[pid 20199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20199] write(3, "1000", 4)         = 4
[  278.091341][T20195] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20199] close(3)                    = 0
[pid 20199] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20199] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20199] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20199] close(5)                    = 0
[pid 20199] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20202 attached
) = 20202
[pid 20199] tkill(20202, SIGSTOP)       = 0
[pid 20202] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20199, si_uid=65534} ---
[pid 20199] exit_group(0 <unfinished ...>
[pid 20202] --- stopped by SIGSTOP ---
[pid 20199] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20202, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20199] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20199, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20203 attached
, child_tidptr=0x5555574e8650) = 20203
[pid 20203] set_robust_list(0x5555574e8660, 24) = 0
[pid 20203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20203] setpgid(0, 0)               = 0
[  278.165996][T20199] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20203] write(3, "1000", 4)         = 4
[pid 20203] close(3)                    = 0
[pid 20203] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20203] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20203] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20203] close(5)                    = 0
[pid 20203] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20206 attached
) = 20206
[pid 20203] tkill(20206, SIGSTOP)       = 0
[pid 20206] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20203, si_uid=65534} ---
[pid 20203] exit_group(0 <unfinished ...>
[pid 20206] --- stopped by SIGSTOP ---
[pid 20203] <... exit_group resumed>)   = ?
[pid 20203] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20206, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20207 attached
, child_tidptr=0x5555574e8650) = 20207
[pid 20207] set_robust_list(0x5555574e8660, 24) = 0
[pid 20207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20207] setpgid(0, 0)               = 0
[pid 20207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20207] write(3, "1000", 4)         = 4
[  278.248284][T20203] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20207] close(3)                    = 0
[pid 20207] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20207] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20207] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20207] close(5)                    = 0
[pid 20207] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20210 attached
) = 20210
[pid 20207] tkill(20210, SIGSTOP)       = 0
[pid 20210] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20207, si_uid=65534} ---
[pid 20207] exit_group(0 <unfinished ...>
[pid 20210] --- stopped by SIGSTOP ---
[pid 20207] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20210, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20207] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20207, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20211 attached
, child_tidptr=0x5555574e8650) = 20211
[pid 20211] set_robust_list(0x5555574e8660, 24) = 0
[pid 20211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20211] setpgid(0, 0)               = 0
[pid 20211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20211] write(3, "1000", 4)         = 4
[pid 20211] close(3)                    = 0
[  278.323772][T20207] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20211] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20211] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20211] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20211] close(5)                    = 0
[pid 20211] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20214 attached
) = 20214
[pid 20211] tkill(20214, SIGSTOP)       = 0
[pid 20211] exit_group(0 <unfinished ...>
[pid 20214] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20211, si_uid=65534} ---
[pid 20211] <... exit_group resumed>)   = ?
[pid 20214] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20214, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20211] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20211, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20215 attached
, child_tidptr=0x5555574e8650) = 20215
[pid 20215] set_robust_list(0x5555574e8660, 24) = 0
[pid 20215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20215] setpgid(0, 0)               = 0
[pid 20215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20215] write(3, "1000", 4)         = 4
[pid 20215] close(3)                    = 0
[  278.392367][T20211] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20215] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20215] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20215] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20215] close(5)                    = 0
[pid 20215] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20218 attached
) = 20218
[pid 20215] tkill(20218, SIGSTOP)       = 0
[pid 20218] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20215, si_uid=65534} ---
[pid 20215] exit_group(0 <unfinished ...>
[pid 20218] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20218, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20215] <... exit_group resumed>)   = ?
[pid 20215] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20215, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20219 attached
, child_tidptr=0x5555574e8650) = 20219
[pid 20219] set_robust_list(0x5555574e8660, 24) = 0
[pid 20219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20219] setpgid(0, 0)               = 0
[pid 20219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20219] write(3, "1000", 4)         = 4
[  278.462330][T20215] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20219] close(3)                    = 0
[pid 20219] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20219] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20219] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20219] close(5)                    = 0
[pid 20219] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20222 attached
) = 20222
[pid 20219] tkill(20222, SIGSTOP)       = 0
[pid 20222] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20219, si_uid=65534} ---
[pid 20219] exit_group(0 <unfinished ...>
[pid 20222] --- stopped by SIGSTOP ---
[pid 20219] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20222, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20219] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20223 attached
, child_tidptr=0x5555574e8650) = 20223
[pid 20223] set_robust_list(0x5555574e8660, 24) = 0
[pid 20223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20223] setpgid(0, 0)               = 0
[pid 20223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20223] write(3, "1000", 4)         = 4
[pid 20223] close(3)                    = 0
[  278.537257][T20219] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20223] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20223] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20223] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20223] close(5)                    = 0
[pid 20223] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20226 attached
) = 20226
[pid 20223] tkill(20226, SIGSTOP)       = 0
[pid 20226] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20223, si_uid=65534} ---
[pid 20223] exit_group(0 <unfinished ...>
[pid 20226] --- stopped by SIGSTOP ---
[pid 20223] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20226, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20223] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20227 attached
, child_tidptr=0x5555574e8650) = 20227
[pid 20227] set_robust_list(0x5555574e8660, 24) = 0
[pid 20227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20227] setpgid(0, 0)               = 0
[pid 20227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20227] write(3, "1000", 4)         = 4
[pid 20227] close(3)                    = 0
[  278.608381][T20223] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20227] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20227] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20227] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20227] close(5)                    = 0
[pid 20227] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20230 attached
) = 20230
[pid 20227] tkill(20230, SIGSTOP)       = 0
[pid 20227] exit_group(0 <unfinished ...>
[pid 20230] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20227, si_uid=65534} ---
[pid 20227] <... exit_group resumed>)   = ?
[pid 20230] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20230, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20227] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20231 attached
, child_tidptr=0x5555574e8650) = 20231
[pid 20231] set_robust_list(0x5555574e8660, 24) = 0
[pid 20231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20231] setpgid(0, 0)               = 0
[pid 20231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20231] write(3, "1000", 4)         = 4
[pid 20231] close(3)                    = 0
[  278.680603][T20227] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20231] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20231] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20231] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20231] close(5)                    = 0
[pid 20231] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20234 attached
) = 20234
[pid 20231] tkill(20234, SIGSTOP)       = 0
[pid 20234] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20231, si_uid=65534} ---
[pid 20231] exit_group(0 <unfinished ...>
[pid 20234] --- stopped by SIGSTOP ---
[pid 20231] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20234, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20231] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20231, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20235 attached
, child_tidptr=0x5555574e8650) = 20235
[pid 20235] set_robust_list(0x5555574e8660, 24) = 0
[pid 20235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20235] setpgid(0, 0)               = 0
[pid 20235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20235] write(3, "1000", 4)         = 4
[pid 20235] close(3)                    = 0
[  278.753165][T20231] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20235] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20235] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20235] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20235] close(5)                    = 0
[pid 20235] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20238 attached
) = 20238
[pid 20235] tkill(20238, SIGSTOP)       = 0
[pid 20238] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20235, si_uid=65534} ---
[pid 20235] exit_group(0 <unfinished ...>
[pid 20238] --- stopped by SIGSTOP ---
[pid 20235] <... exit_group resumed>)   = ?
[pid 20235] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20238, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20239 attached
, child_tidptr=0x5555574e8650) = 20239
[pid 20239] set_robust_list(0x5555574e8660, 24) = 0
[pid 20239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20239] setpgid(0, 0)               = 0
[pid 20239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20239] write(3, "1000", 4)         = 4
[pid 20239] close(3)                    = 0
[  278.826022][T20235] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20239] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20239] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20239] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20239] close(5)                    = 0
[pid 20239] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20242 attached
) = 20242
[pid 20239] tkill(20242, SIGSTOP)       = 0
[pid 20242] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20239, si_uid=65534} ---
[pid 20239] exit_group(0 <unfinished ...>
[pid 20242] --- stopped by SIGSTOP ---
[pid 20239] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20242, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20239] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20243 attached
, child_tidptr=0x5555574e8650) = 20243
[pid 20243] set_robust_list(0x5555574e8660, 24) = 0
[pid 20243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20243] setpgid(0, 0)               = 0
[pid 20243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20243] write(3, "1000", 4)         = 4
[pid 20243] close(3)                    = 0
[  278.898413][T20239] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20243] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20243] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20243] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20243] close(5)                    = 0
[pid 20243] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20246 attached
) = 20246
[pid 20243] tkill(20246, SIGSTOP)       = 0
[pid 20246] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20243, si_uid=65534} ---
[pid 20243] exit_group(0 <unfinished ...>
[pid 20246] --- stopped by SIGSTOP ---
[pid 20243] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20246, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20243] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20247 attached
, child_tidptr=0x5555574e8650) = 20247
[pid 20247] set_robust_list(0x5555574e8660, 24) = 0
[pid 20247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20247] setpgid(0, 0)               = 0
[pid 20247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20247] write(3, "1000", 4)         = 4
[  278.970915][T20243] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20247] close(3)                    = 0
[pid 20247] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20247] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20247] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20247] close(5)                    = 0
[pid 20247] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20250 attached
) = 20250
[pid 20247] tkill(20250, SIGSTOP)       = 0
[pid 20250] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20247, si_uid=65534} ---
[pid 20247] exit_group(0 <unfinished ...>
[pid 20250] --- stopped by SIGSTOP ---
[pid 20247] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20250, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20247] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20251 attached
, child_tidptr=0x5555574e8650) = 20251
[pid 20251] set_robust_list(0x5555574e8660, 24) = 0
[pid 20251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  279.046594][T20247] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20251] setpgid(0, 0)               = 0
[pid 20251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20251] write(3, "1000", 4)         = 4
[pid 20251] close(3)                    = 0
[pid 20251] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20251] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20251] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20251] close(5)                    = 0
[pid 20251] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20254 attached
) = 20254
[pid 20251] tkill(20254, SIGSTOP)       = 0
[pid 20254] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20251, si_uid=65534} ---
[pid 20251] exit_group(0 <unfinished ...>
[pid 20254] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20254, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20251] <... exit_group resumed>)   = ?
[pid 20251] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20255 attached
, child_tidptr=0x5555574e8650) = 20255
[pid 20255] set_robust_list(0x5555574e8660, 24) = 0
[pid 20255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20255] setpgid(0, 0)               = 0
[pid 20255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20255] write(3, "1000", 4)         = 4
[  279.130547][T20251] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20255] close(3)                    = 0
[pid 20255] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20255] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20255] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20255] close(5)                    = 0
[pid 20255] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20258 attached
) = 20258
[pid 20255] tkill(20258, SIGSTOP)       = 0
[pid 20255] exit_group(0 <unfinished ...>
[pid 20258] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20255, si_uid=65534} ---
[pid 20255] <... exit_group resumed>)   = ?
[pid 20258] --- stopped by SIGSTOP ---
[pid 20255] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20258, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20259 attached
, child_tidptr=0x5555574e8650) = 20259
[pid 20259] set_robust_list(0x5555574e8660, 24) = 0
[pid 20259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20259] setpgid(0, 0)               = 0
[pid 20259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20259] write(3, "1000", 4)         = 4
[pid 20259] close(3)                    = 0
[  279.204653][T20255] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20259] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20259] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20259] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20259] close(5)                    = 0
[pid 20259] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20262 attached
) = 20262
[pid 20259] tkill(20262, SIGSTOP)       = 0
[pid 20259] exit_group(0 <unfinished ...>
[pid 20262] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20259, si_uid=65534} ---
[pid 20259] <... exit_group resumed>)   = ?
[pid 20262] --- stopped by SIGSTOP ---
[pid 20259] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20262, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20263 attached
, child_tidptr=0x5555574e8650) = 20263
[pid 20263] set_robust_list(0x5555574e8660, 24) = 0
[pid 20263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20263] setpgid(0, 0)               = 0
[pid 20263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20263] write(3, "1000", 4)         = 4
[pid 20263] close(3)                    = 0
[  279.275970][T20259] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20263] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20263] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20263] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20263] close(5)                    = 0
[pid 20263] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20266 attached
) = 20266
[pid 20263] tkill(20266, SIGSTOP)       = 0
[pid 20266] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20263, si_uid=65534} ---
[pid 20263] exit_group(0 <unfinished ...>
[pid 20266] --- stopped by SIGSTOP ---
[pid 20263] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20266, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20263] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20267 attached
, child_tidptr=0x5555574e8650) = 20267
[pid 20267] set_robust_list(0x5555574e8660, 24) = 0
[pid 20267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  279.345356][T20263] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20267] setpgid(0, 0)               = 0
[pid 20267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20267] write(3, "1000", 4)         = 4
[pid 20267] close(3)                    = 0
[pid 20267] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20267] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20267] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20267] close(5)                    = 0
[pid 20267] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20270 attached
) = 20270
[pid 20267] tkill(20270, SIGSTOP)       = 0
[pid 20270] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20267, si_uid=65534} ---
[pid 20267] exit_group(0 <unfinished ...>
[pid 20270] --- stopped by SIGSTOP ---
[pid 20267] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20270, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20267] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20267, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20271 attached
, child_tidptr=0x5555574e8650) = 20271
[pid 20271] set_robust_list(0x5555574e8660, 24) = 0
[pid 20271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20271] setpgid(0, 0)               = 0
[pid 20271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20271] write(3, "1000", 4)         = 4
[  279.431081][T20267] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20271] close(3)                    = 0
[pid 20271] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20271] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20271] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20271] close(5)                    = 0
[pid 20271] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20274 attached
) = 20274
[pid 20271] tkill(20274, SIGSTOP)       = 0
[pid 20274] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20271, si_uid=65534} ---
[pid 20271] exit_group(0 <unfinished ...>
[pid 20274] --- stopped by SIGSTOP ---
[pid 20271] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20274, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20271] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20275 attached
, child_tidptr=0x5555574e8650) = 20275
[pid 20275] set_robust_list(0x5555574e8660, 24) = 0
[pid 20275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20275] setpgid(0, 0)               = 0
[pid 20275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20275] write(3, "1000", 4)         = 4
[pid 20275] close(3)                    = 0
[  279.505844][T20271] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20275] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20275] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20275] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20275] close(5)                    = 0
[pid 20275] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20278 attached
) = 20278
[pid 20275] tkill(20278, SIGSTOP)       = 0
[pid 20278] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20275, si_uid=65534} ---
[pid 20278] --- stopped by SIGSTOP ---
[pid 20275] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20278, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20275] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20279 attached
, child_tidptr=0x5555574e8650) = 20279
[pid 20279] set_robust_list(0x5555574e8660, 24) = 0
[pid 20279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20279] setpgid(0, 0)               = 0
[pid 20279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20279] write(3, "1000", 4)         = 4
[  279.579140][T20275] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20279] close(3)                    = 0
[pid 20279] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20279] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20279] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20279] close(5)                    = 0
[pid 20279] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20282 attached
) = 20282
[pid 20279] tkill(20282, SIGSTOP)       = 0
[pid 20282] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20279, si_uid=65534} ---
[pid 20279] exit_group(0 <unfinished ...>
[pid 20282] --- stopped by SIGSTOP ---
[pid 20279] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20282, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20279] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20283 attached
, child_tidptr=0x5555574e8650) = 20283
[pid 20283] set_robust_list(0x5555574e8660, 24) = 0
[pid 20283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20283] setpgid(0, 0)               = 0
[pid 20283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20283] write(3, "1000", 4)         = 4
[pid 20283] close(3)                    = 0
[  279.654627][T20279] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20283] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20283] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20283] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20283] close(5)                    = 0
[pid 20283] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20286 attached
) = 20286
[pid 20283] tkill(20286, SIGSTOP)       = 0
[pid 20286] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20283, si_uid=65534} ---
[pid 20283] exit_group(0 <unfinished ...>
[pid 20286] --- stopped by SIGSTOP ---
[pid 20283] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20286, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20283] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20287 attached
, child_tidptr=0x5555574e8650) = 20287
[pid 20287] set_robust_list(0x5555574e8660, 24) = 0
[pid 20287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20287] setpgid(0, 0)               = 0
[pid 20287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20287] write(3, "1000", 4)         = 4
[  279.728336][T20283] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20287] close(3)                    = 0
[pid 20287] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20287] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20287] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20287] close(5)                    = 0
[pid 20287] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20290 attached
) = 20290
[pid 20287] tkill(20290, SIGSTOP)       = 0
[pid 20290] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20287, si_uid=65534} ---
[pid 20290] --- stopped by SIGSTOP ---
[pid 20287] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20290, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20287] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20287, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20291 attached
, child_tidptr=0x5555574e8650) = 20291
[pid 20291] set_robust_list(0x5555574e8660, 24) = 0
[pid 20291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20291] setpgid(0, 0)               = 0
[pid 20291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  279.801958][T20287] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20291] write(3, "1000", 4)         = 4
[pid 20291] close(3)                    = 0
[pid 20291] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20291] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20291] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20291] close(5)                    = 0
[pid 20291] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20294 attached
) = 20294
[pid 20291] tkill(20294, SIGSTOP)       = 0
[pid 20294] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20291, si_uid=65534} ---
[pid 20291] exit_group(0 <unfinished ...>
[pid 20294] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20294, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20291] <... exit_group resumed>)   = ?
[pid 20291] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20291, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20295 attached
, child_tidptr=0x5555574e8650) = 20295
[pid 20295] set_robust_list(0x5555574e8660, 24) = 0
[pid 20295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20295] setpgid(0, 0)               = 0
[pid 20295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20295] write(3, "1000", 4)         = 4
[  279.880483][T20291] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20295] close(3)                    = 0
[pid 20295] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20295] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20295] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20295] close(5)                    = 0
[pid 20295] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20298 attached
) = 20298
[pid 20295] tkill(20298, SIGSTOP)       = 0
[pid 20298] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20295, si_uid=65534} ---
[pid 20295] exit_group(0 <unfinished ...>
[pid 20298] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20298, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20295] <... exit_group resumed>)   = ?
[pid 20295] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20299 attached
, child_tidptr=0x5555574e8650) = 20299
[pid 20299] set_robust_list(0x5555574e8660, 24) = 0
[pid 20299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20299] setpgid(0, 0)               = 0
[pid 20299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20299] write(3, "1000", 4)         = 4
[  279.954824][T20295] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20299] close(3)                    = 0
[pid 20299] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20299] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20299] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20299] close(5)                    = 0
[pid 20299] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20302 attached
) = 20302
[pid 20299] tkill(20302, SIGSTOP)       = 0
[pid 20302] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20299, si_uid=65534} ---
[pid 20299] exit_group(0 <unfinished ...>
[pid 20302] --- stopped by SIGSTOP ---
[pid 20299] <... exit_group resumed>)   = ?
[pid 20299] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20302, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20303 attached
, child_tidptr=0x5555574e8650) = 20303
[pid 20303] set_robust_list(0x5555574e8660, 24) = 0
[pid 20303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20303] setpgid(0, 0)               = 0
[pid 20303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20303] write(3, "1000", 4)         = 4
[  280.030393][T20299] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20303] close(3)                    = 0
[pid 20303] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20303] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20303] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20303] close(5)                    = 0
[pid 20303] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20306 attached
) = 20306
[pid 20303] tkill(20306, SIGSTOP)       = 0
[pid 20306] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20303, si_uid=65534} ---
[pid 20303] exit_group(0 <unfinished ...>
[pid 20306] --- stopped by SIGSTOP ---
[pid 20303] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20306, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20303] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20303, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20307 attached
, child_tidptr=0x5555574e8650) = 20307
[pid 20307] set_robust_list(0x5555574e8660, 24) = 0
[pid 20307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20307] setpgid(0, 0)               = 0
[pid 20307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20307] write(3, "1000", 4)         = 4
[pid 20307] close(3)                    = 0
[  280.105714][T20303] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20307] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20307] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20307] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20307] close(5)                    = 0
[pid 20307] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20310 attached
) = 20310
[pid 20307] tkill(20310, SIGSTOP)       = 0
[pid 20310] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20307, si_uid=65534} ---
[pid 20307] exit_group(0 <unfinished ...>
[pid 20310] --- stopped by SIGSTOP ---
[pid 20307] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20310, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20307] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20307, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20311 attached
, child_tidptr=0x5555574e8650) = 20311
[pid 20311] set_robust_list(0x5555574e8660, 24) = 0
[pid 20311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  280.175907][T20307] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20311] setpgid(0, 0)               = 0
[pid 20311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20311] write(3, "1000", 4)         = 4
[pid 20311] close(3)                    = 0
[pid 20311] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20311] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20311] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20311] close(5)                    = 0
[pid 20311] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20314 attached
) = 20314
[pid 20311] tkill(20314, SIGSTOP)       = 0
[pid 20314] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20311, si_uid=65534} ---
[pid 20311] exit_group(0)               = ?
[pid 20314] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20314, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20311] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20311, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20315 attached
, child_tidptr=0x5555574e8650) = 20315
[pid 20315] set_robust_list(0x5555574e8660, 24) = 0
[pid 20315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  280.262250][T20311] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20315] setpgid(0, 0)               = 0
[pid 20315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20315] write(3, "1000", 4)         = 4
[pid 20315] close(3)                    = 0
[pid 20315] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20315] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20315] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20315] close(5)                    = 0
[pid 20315] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20318 attached
) = 20318
[pid 20315] tkill(20318, SIGSTOP)       = 0
[pid 20318] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20315, si_uid=65534} ---
[pid 20315] exit_group(0 <unfinished ...>
[pid 20318] --- stopped by SIGSTOP ---
[pid 20315] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20318, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20315] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20319 attached
, child_tidptr=0x5555574e8650) = 20319
[pid 20319] set_robust_list(0x5555574e8660, 24) = 0
[pid 20319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20319] setpgid(0, 0)               = 0
[pid 20319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20319] write(3, "1000", 4)         = 4
[pid 20319] close(3)                    = 0
[pid 20319] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  280.348523][T20315] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20319] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20319] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20319] close(5)                    = 0
[pid 20319] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20322 attached
) = 20322
[pid 20319] tkill(20322, SIGSTOP)       = 0
[pid 20322] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20319, si_uid=65534} ---
[pid 20319] exit_group(0 <unfinished ...>
[pid 20322] --- stopped by SIGSTOP ---
[pid 20319] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20322, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20319] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20323 attached
, child_tidptr=0x5555574e8650) = 20323
[pid 20323] set_robust_list(0x5555574e8660, 24) = 0
[pid 20323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20323] setpgid(0, 0)               = 0
[pid 20323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20323] write(3, "1000", 4)         = 4
[pid 20323] close(3)                    = 0
[  280.415264][T20319] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20323] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20323] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20323] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20323] close(5)                    = 0
[pid 20323] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20326 attached
) = 20326
[pid 20323] tkill(20326, SIGSTOP)       = 0
[pid 20326] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20323, si_uid=65534} ---
[pid 20323] exit_group(0 <unfinished ...>
[pid 20326] --- stopped by SIGSTOP ---
[pid 20323] <... exit_group resumed>)   = ?
[pid 20323] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20326, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20327 attached
, child_tidptr=0x5555574e8650) = 20327
[pid 20327] set_robust_list(0x5555574e8660, 24) = 0
[pid 20327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20327] setpgid(0, 0)               = 0
[pid 20327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20327] write(3, "1000", 4)         = 4
[  280.488380][T20323] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20327] close(3)                    = 0
[pid 20327] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20327] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20327] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20327] close(5)                    = 0
[pid 20327] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20330 attached
) = 20330
[pid 20327] tkill(20330, SIGSTOP)       = 0
[pid 20330] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20327, si_uid=65534} ---
[pid 20327] exit_group(0 <unfinished ...>
[pid 20330] --- stopped by SIGSTOP ---
[pid 20327] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20330, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20327] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20331 attached
, child_tidptr=0x5555574e8650) = 20331
[pid 20331] set_robust_list(0x5555574e8660, 24) = 0
[pid 20331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20331] setpgid(0, 0)               = 0
[pid 20331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20331] write(3, "1000", 4)         = 4
[  280.566289][T20327] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20331] close(3)                    = 0
[pid 20331] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20331] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20331] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20331] close(5)                    = 0
[pid 20331] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20334 attached
) = 20334
[pid 20331] tkill(20334, SIGSTOP)       = 0
[pid 20334] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20331, si_uid=65534} ---
[pid 20331] exit_group(0 <unfinished ...>
[pid 20334] --- stopped by SIGSTOP ---
[pid 20331] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20334, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20331] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20335 attached
, child_tidptr=0x5555574e8650) = 20335
[pid 20335] set_robust_list(0x5555574e8660, 24) = 0
[pid 20335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20335] setpgid(0, 0)               = 0
[pid 20335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20335] write(3, "1000", 4)         = 4
[  280.641544][T20331] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20335] close(3)                    = 0
[pid 20335] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20335] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20335] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20335] close(5)                    = 0
[pid 20335] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20338 attached
) = 20338
[pid 20335] tkill(20338, SIGSTOP)       = 0
[pid 20338] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20335, si_uid=65534} ---
[pid 20335] exit_group(0 <unfinished ...>
[pid 20338] --- stopped by SIGSTOP ---
[pid 20335] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20338, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20335] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20339 attached
, child_tidptr=0x5555574e8650) = 20339
[pid 20339] set_robust_list(0x5555574e8660, 24) = 0
[pid 20339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  280.718462][T20335] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20339] setpgid(0, 0)               = 0
[pid 20339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20339] write(3, "1000", 4)         = 4
[pid 20339] close(3)                    = 0
[pid 20339] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20339] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20339] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20339] close(5)                    = 0
[pid 20339] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20342 attached
) = 20342
[pid 20339] tkill(20342, SIGSTOP)       = 0
[pid 20342] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20339, si_uid=65534} ---
[pid 20339] exit_group(0 <unfinished ...>
[pid 20342] --- stopped by SIGSTOP ---
[pid 20339] <... exit_group resumed>)   = ?
[pid 20339] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20342, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20343 attached
, child_tidptr=0x5555574e8650) = 20343
[pid 20343] set_robust_list(0x5555574e8660, 24) = 0
[pid 20343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20343] setpgid(0, 0)               = 0
[pid 20343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  280.807269][T20339] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20343] write(3, "1000", 4)         = 4
[pid 20343] close(3)                    = 0
[pid 20343] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20343] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20343] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20343] close(5)                    = 0
[pid 20343] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20346 attached
) = 20346
[pid 20343] tkill(20346, SIGSTOP)       = 0
[pid 20346] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20343, si_uid=65534} ---
[pid 20346] --- stopped by SIGSTOP ---
[pid 20343] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20346, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20343] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20343] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20347 attached
, child_tidptr=0x5555574e8650) = 20347
[pid 20347] set_robust_list(0x5555574e8660, 24) = 0
[pid 20347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20347] setpgid(0, 0)               = 0
[pid 20347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20347] write(3, "1000", 4)         = 4
[  280.885907][T20343] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20347] close(3)                    = 0
[pid 20347] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20347] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20347] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20347] close(5)                    = 0
[pid 20347] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20350 attached
) = 20350
[pid 20347] tkill(20350, SIGSTOP)       = 0
[pid 20350] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20347, si_uid=65534} ---
[pid 20347] exit_group(0 <unfinished ...>
[pid 20350] --- stopped by SIGSTOP ---
[pid 20347] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20350, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20347] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20347, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20351 attached
, child_tidptr=0x5555574e8650) = 20351
[pid 20351] set_robust_list(0x5555574e8660, 24) = 0
[pid 20351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20351] setpgid(0, 0)               = 0
[pid 20351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20351] write(3, "1000", 4)         = 4
[pid 20351] close(3)                    = 0
[  280.961078][T20347] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20351] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20351] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20351] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20351] close(5)                    = 0
[pid 20351] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20354 attached
) = 20354
[pid 20351] tkill(20354, SIGSTOP)       = 0
[pid 20351] exit_group(0 <unfinished ...>
[pid 20354] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20351, si_uid=65534} ---
[pid 20351] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20354, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20354] --- stopped by SIGSTOP ---
[pid 20351] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20351, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20355 attached
, child_tidptr=0x5555574e8650) = 20355
[pid 20355] set_robust_list(0x5555574e8660, 24) = 0
[pid 20355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20355] setpgid(0, 0)               = 0
[pid 20355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20355] write(3, "1000", 4)         = 4
[pid 20355] close(3)                    = 0
[  281.034239][T20351] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20355] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20355] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20355] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20355] close(5)                    = 0
[pid 20355] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20358 attached
) = 20358
[pid 20355] tkill(20358, SIGSTOP)       = 0
[pid 20358] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20355, si_uid=65534} ---
[pid 20355] exit_group(0 <unfinished ...>
[pid 20358] --- stopped by SIGSTOP ---
[pid 20355] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20358, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20355] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20359 attached
, child_tidptr=0x5555574e8650) = 20359
[pid 20359] set_robust_list(0x5555574e8660, 24) = 0
[pid 20359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20359] setpgid(0, 0)               = 0
[pid 20359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20359] write(3, "1000", 4)         = 4
[  281.107501][T20355] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20359] close(3)                    = 0
[pid 20359] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20359] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20359] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20359] close(5)                    = 0
[pid 20359] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20362 attached
) = 20362
[pid 20359] tkill(20362, SIGSTOP)       = 0
[pid 20362] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20359, si_uid=65534} ---
[pid 20359] exit_group(0 <unfinished ...>
[pid 20362] --- stopped by SIGSTOP ---
[pid 20359] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20362, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20359] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20359, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20363 attached
, child_tidptr=0x5555574e8650) = 20363
[pid 20363] set_robust_list(0x5555574e8660, 24) = 0
[pid 20363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  281.182971][T20359] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20363] setpgid(0, 0)               = 0
[pid 20363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20363] write(3, "1000", 4)         = 4
[pid 20363] close(3)                    = 0
[pid 20363] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20363] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20363] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20363] close(5)                    = 0
[pid 20363] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20366 attached
) = 20366
[pid 20363] tkill(20366, SIGSTOP)       = 0
[pid 20366] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20363, si_uid=65534} ---
[pid 20366] --- stopped by SIGSTOP ---
[pid 20363] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20366, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20363] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20367 attached
, child_tidptr=0x5555574e8650) = 20367
[pid 20367] set_robust_list(0x5555574e8660, 24) = 0
[pid 20367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20367] setpgid(0, 0)               = 0
[pid 20367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  281.269275][T20363] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20367] write(3, "1000", 4)         = 4
[pid 20367] close(3)                    = 0
[pid 20367] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20367] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20367] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20367] close(5)                    = 0
[pid 20367] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20370 attached
) = 20370
[pid 20367] tkill(20370, SIGSTOP)       = 0
[pid 20370] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20367, si_uid=65534} ---
[pid 20367] exit_group(0 <unfinished ...>
[pid 20370] --- stopped by SIGSTOP ---
[pid 20367] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20370, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20367] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20367, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20371 attached
, child_tidptr=0x5555574e8650) = 20371
[pid 20371] set_robust_list(0x5555574e8660, 24) = 0
[pid 20371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20371] setpgid(0, 0)               = 0
[  281.345526][T20367] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20371] write(3, "1000", 4)         = 4
[pid 20371] close(3)                    = 0
[pid 20371] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20371] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20371] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20371] close(5)                    = 0
[pid 20371] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20374 attached
) = 20374
[pid 20371] tkill(20374, SIGSTOP)       = 0
[pid 20374] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20371, si_uid=65534} ---
[pid 20371] exit_group(0 <unfinished ...>
[pid 20374] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20374, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20371] <... exit_group resumed>)   = ?
[pid 20371] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20375 attached
, child_tidptr=0x5555574e8650) = 20375
[pid 20375] set_robust_list(0x5555574e8660, 24) = 0
[pid 20375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20375] setpgid(0, 0)               = 0
[pid 20375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20375] write(3, "1000", 4)         = 4
[pid 20375] close(3)                    = 0
[pid 20375] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  281.430379][T20371] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20375] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20375] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20375] close(5)                    = 0
[pid 20375] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20378 attached
) = 20378
[pid 20375] tkill(20378, SIGSTOP)       = 0
[pid 20378] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20375, si_uid=65534} ---
[pid 20375] exit_group(0 <unfinished ...>
[pid 20378] --- stopped by SIGSTOP ---
[pid 20375] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20378, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20375] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20375, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20379 attached
, child_tidptr=0x5555574e8650) = 20379
[pid 20379] set_robust_list(0x5555574e8660, 24) = 0
[pid 20379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  281.499446][T20375] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20379] setpgid(0, 0)               = 0
[pid 20379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20379] write(3, "1000", 4)         = 4
[pid 20379] close(3)                    = 0
[pid 20379] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20379] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20379] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20379] close(5)                    = 0
[pid 20379] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20382 attached
) = 20382
[pid 20379] tkill(20382, SIGSTOP)       = 0
[pid 20382] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20379, si_uid=65534} ---
[pid 20379] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20382, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20382] --- stopped by SIGSTOP ---
[pid 20379] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20379, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20383 attached
, child_tidptr=0x5555574e8650) = 20383
[pid 20383] set_robust_list(0x5555574e8660, 24) = 0
[pid 20383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20383] setpgid(0, 0)               = 0
[  281.584111][T20379] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20383] write(3, "1000", 4)         = 4
[pid 20383] close(3)                    = 0
[pid 20383] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20383] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20383] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20383] close(5)                    = 0
[pid 20383] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20386 attached
) = 20386
[pid 20383] tkill(20386, SIGSTOP)       = 0
[pid 20386] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20383, si_uid=65534} ---
[pid 20383] exit_group(0 <unfinished ...>
[pid 20386] --- stopped by SIGSTOP ---
[pid 20383] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20386, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20383] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20387 attached
, child_tidptr=0x5555574e8650) = 20387
[pid 20387] set_robust_list(0x5555574e8660, 24) = 0
[pid 20387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20387] setpgid(0, 0)               = 0
[pid 20387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20387] write(3, "1000", 4)         = 4
[  281.668621][T20383] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20387] close(3)                    = 0
[pid 20387] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20387] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20387] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20387] close(5)                    = 0
[pid 20387] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20390 attached
) = 20390
[pid 20387] tkill(20390, SIGSTOP)       = 0
[pid 20390] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20387, si_uid=65534} ---
[pid 20387] exit_group(0 <unfinished ...>
[pid 20390] --- stopped by SIGSTOP ---
[pid 20387] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20390, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20387] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20387, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20391 attached
, child_tidptr=0x5555574e8650) = 20391
[pid 20391] set_robust_list(0x5555574e8660, 24) = 0
[pid 20391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20391] setpgid(0, 0)               = 0
[pid 20391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  281.742817][T20387] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20391] write(3, "1000", 4)         = 4
[pid 20391] close(3)                    = 0
[pid 20391] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20391] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20391] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20391] close(5)                    = 0
[pid 20391] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20394 attached
) = 20394
[pid 20391] tkill(20394, SIGSTOP)       = 0
[pid 20394] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20391, si_uid=65534} ---
[pid 20391] exit_group(0 <unfinished ...>
[pid 20394] --- stopped by SIGSTOP ---
[pid 20391] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20394, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20391] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20391, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20395 attached
, child_tidptr=0x5555574e8650) = 20395
[pid 20395] set_robust_list(0x5555574e8660, 24) = 0
[pid 20395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20395] setpgid(0, 0)               = 0
[pid 20395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20395] write(3, "1000", 4)         = 4
[  281.821917][T20391] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20395] close(3)                    = 0
[pid 20395] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20395] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20395] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20395] close(5)                    = 0
[pid 20395] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20398 attached
) = 20398
[pid 20395] tkill(20398, SIGSTOP)       = 0
[pid 20398] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20395, si_uid=65534} ---
[pid 20395] exit_group(0 <unfinished ...>
[pid 20398] --- stopped by SIGSTOP ---
[pid 20395] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20398, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20395] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20395, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20399 attached
, child_tidptr=0x5555574e8650) = 20399
[pid 20399] set_robust_list(0x5555574e8660, 24) = 0
[pid 20399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20399] setpgid(0, 0)               = 0
[pid 20399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20399] write(3, "1000", 4)         = 4
[pid 20399] close(3)                    = 0
[  281.894709][T20395] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20399] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20399] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20399] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20399] close(5)                    = 0
[pid 20399] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20402 attached
) = 20402
[pid 20399] tkill(20402, SIGSTOP)       = 0
[pid 20399] exit_group(0 <unfinished ...>
[pid 20402] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20399, si_uid=65534} ---
[pid 20399] <... exit_group resumed>)   = ?
[pid 20402] --- stopped by SIGSTOP ---
[pid 20399] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20402, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20403 attached
, child_tidptr=0x5555574e8650) = 20403
[pid 20403] set_robust_list(0x5555574e8660, 24) = 0
[pid 20403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20403] setpgid(0, 0)               = 0
[pid 20403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20403] write(3, "1000", 4)         = 4
[pid 20403] close(3)                    = 0
[  281.967611][T20399] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20403] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20403] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20403] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20403] close(5)                    = 0
[pid 20403] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20406 attached
) = 20406
[pid 20403] tkill(20406, SIGSTOP)       = 0
[pid 20403] exit_group(0 <unfinished ...>
[pid 20406] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20403, si_uid=65534} ---
[pid 20403] <... exit_group resumed>)   = ?
[pid 20406] --- stopped by SIGSTOP ---
[pid 20403] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20406, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20407 attached
, child_tidptr=0x5555574e8650) = 20407
[pid 20407] set_robust_list(0x5555574e8660, 24) = 0
[pid 20407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20407] setpgid(0, 0)               = 0
[pid 20407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20407] write(3, "1000", 4)         = 4
[pid 20407] close(3)                    = 0
[  282.040213][T20403] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20407] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20407] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20407] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20407] close(5)                    = 0
[pid 20407] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20410 attached
) = 20410
[pid 20407] tkill(20410, SIGSTOP)       = 0
[pid 20410] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20407, si_uid=65534} ---
[pid 20407] exit_group(0 <unfinished ...>
[pid 20410] --- stopped by SIGSTOP ---
[pid 20407] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20410, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20407] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20407, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20411 attached
, child_tidptr=0x5555574e8650) = 20411
[pid 20411] set_robust_list(0x5555574e8660, 24) = 0
[pid 20411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20411] setpgid(0, 0)               = 0
[pid 20411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20411] write(3, "1000", 4)         = 4
[pid 20411] close(3)                    = 0
[  282.112780][T20407] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20411] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20411] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20411] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20411] close(5)                    = 0
[pid 20411] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20414 attached
) = 20414
[pid 20411] tkill(20414, SIGSTOP)       = 0
[pid 20414] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20411, si_uid=65534} ---
[pid 20411] exit_group(0 <unfinished ...>
[pid 20414] --- stopped by SIGSTOP ---
[pid 20411] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20414, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20411] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20411, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20415 attached
, child_tidptr=0x5555574e8650) = 20415
[pid 20415] set_robust_list(0x5555574e8660, 24) = 0
[pid 20415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  282.185657][T20411] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20415] setpgid(0, 0)               = 0
[pid 20415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20415] write(3, "1000", 4)         = 4
[pid 20415] close(3)                    = 0
[pid 20415] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20415] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20415] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20415] close(5)                    = 0
[pid 20415] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20418 attached
) = 20418
[pid 20415] tkill(20418, SIGSTOP)       = 0
[pid 20418] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20415, si_uid=65534} ---
[pid 20415] exit_group(0 <unfinished ...>
[pid 20418] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20418, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20415] <... exit_group resumed>)   = ?
[pid 20415] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20415, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20419 attached
, child_tidptr=0x5555574e8650) = 20419
[pid 20419] set_robust_list(0x5555574e8660, 24) = 0
[pid 20419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20419] setpgid(0, 0)               = 0
[pid 20419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20419] write(3, "1000", 4)         = 4
[  282.272157][T20415] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20419] close(3)                    = 0
[pid 20419] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20419] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20419] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20419] close(5)                    = 0
[pid 20419] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20422 attached
) = 20422
[pid 20419] tkill(20422, SIGSTOP)       = 0
[pid 20422] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20419, si_uid=65534} ---
[pid 20419] exit_group(0 <unfinished ...>
[pid 20422] --- stopped by SIGSTOP ---
[pid 20419] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20422, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20419] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20423 attached
, child_tidptr=0x5555574e8650) = 20423
[pid 20423] set_robust_list(0x5555574e8660, 24) = 0
[pid 20423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20423] setpgid(0, 0)               = 0
[pid 20423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20423] write(3, "1000", 4)         = 4
[  282.349076][T20419] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20423] close(3)                    = 0
[pid 20423] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20423] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20423] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20423] close(5)                    = 0
[pid 20423] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20426 attached
) = 20426
[pid 20423] tkill(20426, SIGSTOP)       = 0
[pid 20426] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20423, si_uid=65534} ---
[pid 20423] exit_group(0 <unfinished ...>
[pid 20426] --- stopped by SIGSTOP ---
[pid 20423] <... exit_group resumed>)   = ?
[pid 20423] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20426, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20427 attached
, child_tidptr=0x5555574e8650) = 20427
[pid 20427] set_robust_list(0x5555574e8660, 24) = 0
[pid 20427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20427] setpgid(0, 0)               = 0
[pid 20427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20427] write(3, "1000", 4)         = 4
[  282.422000][T20423] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20427] close(3)                    = 0
[pid 20427] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20427] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20427] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20427] close(5)                    = 0
[pid 20427] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20430 attached
) = 20430
[pid 20427] tkill(20430, SIGSTOP)       = 0
[pid 20430] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20427, si_uid=65534} ---
[pid 20430] --- stopped by SIGSTOP ---
[pid 20427] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20430, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20427] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 20427] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20431 attached
, child_tidptr=0x5555574e8650) = 20431
[pid 20431] set_robust_list(0x5555574e8660, 24) = 0
[pid 20431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20431] setpgid(0, 0)               = 0
[pid 20431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  282.496342][T20427] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20431] write(3, "1000", 4)         = 4
[pid 20431] close(3)                    = 0
[pid 20431] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20431] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20431] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20431] close(5)                    = 0
[pid 20431] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20434 attached
) = 20434
[pid 20431] tkill(20434, SIGSTOP)       = 0
[pid 20434] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20431, si_uid=65534} ---
[pid 20431] exit_group(0 <unfinished ...>
[pid 20434] --- stopped by SIGSTOP ---
[pid 20431] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20434, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20431] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20435 attached
[  282.575970][T20431] vhci_hcd vhci_hcd.0: port 0 already used
, child_tidptr=0x5555574e8650) = 20435
[pid 20435] set_robust_list(0x5555574e8660, 24) = 0
[pid 20435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20435] setpgid(0, 0)               = 0
[pid 20435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20435] write(3, "1000", 4)         = 4
[pid 20435] close(3)                    = 0
[pid 20435] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20435] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20435] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20435] close(5)                    = 0
[pid 20435] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20438 attached
) = 20438
[pid 20435] tkill(20438, SIGSTOP)       = 0
[pid 20438] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20435, si_uid=65534} ---
[pid 20435] exit_group(0 <unfinished ...>
[pid 20438] --- stopped by SIGSTOP ---
[pid 20435] <... exit_group resumed>)   = ?
[pid 20435] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20438, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20439 attached
, child_tidptr=0x5555574e8650) = 20439
[pid 20439] set_robust_list(0x5555574e8660, 24) = 0
[pid 20439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20439] setpgid(0, 0)               = 0
[  282.669809][T20435] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20439] write(3, "1000", 4)         = 4
[pid 20439] close(3)                    = 0
[pid 20439] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20439] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20439] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20439] close(5)                    = 0
[pid 20439] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20442 attached
) = 20442
[pid 20439] tkill(20442, SIGSTOP)       = 0
[pid 20442] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20439, si_uid=65534} ---
[pid 20439] exit_group(0 <unfinished ...>
[pid 20442] --- stopped by SIGSTOP ---
[pid 20439] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20442, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20439] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20443 attached
, child_tidptr=0x5555574e8650) = 20443
[pid 20443] set_robust_list(0x5555574e8660, 24) = 0
[pid 20443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20443] setpgid(0, 0)               = 0
[  282.749920][T20439] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20443] write(3, "1000", 4)         = 4
[pid 20443] close(3)                    = 0
[pid 20443] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20443] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20443] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20443] close(5)                    = 0
[pid 20443] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20446 attached
) = 20446
[pid 20443] tkill(20446, SIGSTOP)       = 0
[pid 20446] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20443, si_uid=65534} ---
[pid 20443] exit_group(0 <unfinished ...>
[pid 20446] --- stopped by SIGSTOP ---
[pid 20443] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20446, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20443] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20443, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20447 attached
, child_tidptr=0x5555574e8650) = 20447
[pid 20447] set_robust_list(0x5555574e8660, 24) = 0
[pid 20447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20447] setpgid(0, 0)               = 0
[pid 20447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20447] write(3, "1000", 4)         = 4
[  282.831981][T20443] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20447] close(3)                    = 0
[pid 20447] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20447] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20447] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20447] close(5)                    = 0
[pid 20447] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20450 attached
) = 20450
[pid 20447] tkill(20450, SIGSTOP)       = 0
[pid 20450] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20447, si_uid=65534} ---
[pid 20447] exit_group(0 <unfinished ...>
[pid 20450] --- stopped by SIGSTOP ---
[pid 20447] <... exit_group resumed>)   = ?
[pid 20447] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20450, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20451 attached
, child_tidptr=0x5555574e8650) = 20451
[pid 20451] set_robust_list(0x5555574e8660, 24) = 0
[pid 20451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20451] setpgid(0, 0)               = 0
[  282.905980][T20447] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20451] write(3, "1000", 4)         = 4
[pid 20451] close(3)                    = 0
[pid 20451] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20451] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20451] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20451] close(5)                    = 0
[pid 20451] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20454 attached
) = 20454
[pid 20451] tkill(20454, SIGSTOP)       = 0
[pid 20454] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20451, si_uid=65534} ---
[pid 20451] exit_group(0 <unfinished ...>
[pid 20454] --- stopped by SIGSTOP ---
[pid 20451] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20454, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20451] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20455 attached
, child_tidptr=0x5555574e8650) = 20455
[pid 20455] set_robust_list(0x5555574e8660, 24) = 0
[pid 20455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20455] setpgid(0, 0)               = 0
[pid 20455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20455] write(3, "1000", 4)         = 4
[  282.987129][T20451] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20455] close(3)                    = 0
[pid 20455] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20455] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20455] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20455] close(5)                    = 0
[pid 20455] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20458 attached
) = 20458
[pid 20455] tkill(20458, SIGSTOP)       = 0
[pid 20458] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20455, si_uid=65534} ---
[pid 20455] exit_group(0 <unfinished ...>
[pid 20458] --- stopped by SIGSTOP ---
[pid 20455] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20458, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20455] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20455, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20459 attached
, child_tidptr=0x5555574e8650) = 20459
[pid 20459] set_robust_list(0x5555574e8660, 24) = 0
[pid 20459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20459] setpgid(0, 0)               = 0
[pid 20459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  283.061807][T20455] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20459] write(3, "1000", 4)         = 4
[pid 20459] close(3)                    = 0
[pid 20459] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20459] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20459] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20459] close(5)                    = 0
[pid 20459] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20462 attached
) = 20462
[pid 20459] tkill(20462, SIGSTOP)       = 0
[pid 20462] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20459, si_uid=65534} ---
[pid 20459] exit_group(0 <unfinished ...>
[pid 20462] --- stopped by SIGSTOP ---
[pid 20459] <... exit_group resumed>)   = ?
[pid 20459] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20462, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20463 attached
, child_tidptr=0x5555574e8650) = 20463
[pid 20463] set_robust_list(0x5555574e8660, 24) = 0
[pid 20463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20463] setpgid(0, 0)               = 0
[pid 20463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20463] write(3, "1000", 4)         = 4
[pid 20463] close(3)                    = 0
[  283.141229][T20459] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20463] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20463] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20463] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20463] close(5)                    = 0
[pid 20463] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20466 attached
) = 20466
[pid 20463] tkill(20466, SIGSTOP)       = 0
[pid 20466] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20463, si_uid=65534} ---
[pid 20463] exit_group(0 <unfinished ...>
[pid 20466] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20466, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20463] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20463] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20463, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20467 attached
, child_tidptr=0x5555574e8650) = 20467
[pid 20467] set_robust_list(0x5555574e8660, 24) = 0
[pid 20467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20467] setpgid(0, 0)               = 0
[pid 20467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20467] write(3, "1000", 4)         = 4
[pid 20467] close(3)                    = 0
[  283.212143][T20463] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20467] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20467] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20467] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20467] close(5)                    = 0
[pid 20467] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20470 attached
) = 20470
[pid 20467] tkill(20470, SIGSTOP)       = 0
[pid 20470] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20467, si_uid=65534} ---
[pid 20467] exit_group(0 <unfinished ...>
[pid 20470] --- stopped by SIGSTOP ---
[pid 20467] <... exit_group resumed>)   = ?
[pid 20467] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20470, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20471 attached
, child_tidptr=0x5555574e8650) = 20471
[pid 20471] set_robust_list(0x5555574e8660, 24) = 0
[pid 20471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20471] setpgid(0, 0)               = 0
[pid 20471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20471] write(3, "1000", 4)         = 4
[  283.288483][T20467] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20471] close(3)                    = 0
[pid 20471] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20471] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20471] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20471] close(5)                    = 0
[pid 20471] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20474 attached
) = 20474
[pid 20471] tkill(20474, SIGSTOP)       = 0
[pid 20474] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20471, si_uid=65534} ---
[pid 20471] exit_group(0 <unfinished ...>
[pid 20474] --- stopped by SIGSTOP ---
[pid 20471] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20474, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20471] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20471, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20475 attached
, child_tidptr=0x5555574e8650) = 20475
[pid 20475] set_robust_list(0x5555574e8660, 24) = 0
[pid 20475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20475] setpgid(0, 0)               = 0
[pid 20475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20475] write(3, "1000", 4)         = 4
[pid 20475] close(3)                    = 0
[  283.362419][T20471] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20475] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20475] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20475] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20475] close(5)                    = 0
[pid 20475] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20478 attached
) = 20478
[pid 20475] tkill(20478, SIGSTOP)       = 0
[pid 20478] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20475, si_uid=65534} ---
[pid 20475] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20478, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20478] --- stopped by SIGSTOP ---
[pid 20475] <... exit_group resumed>)   = ?
[pid 20475] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20475, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20479 attached
, child_tidptr=0x5555574e8650) = 20479
[pid 20479] set_robust_list(0x5555574e8660, 24) = 0
[pid 20479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20479] setpgid(0, 0)               = 0
[pid 20479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20479] write(3, "1000", 4)         = 4
[pid 20479] close(3)                    = 0
[  283.432565][T20475] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20479] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20479] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20479] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20479] close(5)                    = 0
[pid 20479] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20482 attached
) = 20482
[pid 20479] tkill(20482, SIGSTOP)       = 0
[pid 20482] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20479, si_uid=65534} ---
[pid 20479] exit_group(0 <unfinished ...>
[pid 20482] --- stopped by SIGSTOP ---
[pid 20479] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20482, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20479] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20479, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20483 attached
, child_tidptr=0x5555574e8650) = 20483
[pid 20483] set_robust_list(0x5555574e8660, 24) = 0
[pid 20483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20483] setpgid(0, 0)               = 0
[pid 20483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20483] write(3, "1000", 4)         = 4
[pid 20483] close(3)                    = 0
[  283.502424][T20479] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20483] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20483] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20483] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20483] close(5)                    = 0
[pid 20483] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20486 attached
) = 20486
[pid 20483] tkill(20486, SIGSTOP)       = 0
[pid 20486] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20483, si_uid=65534} ---
[pid 20483] exit_group(0 <unfinished ...>
[pid 20486] --- stopped by SIGSTOP ---
[pid 20483] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20486, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20483] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20483, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20487 attached
, child_tidptr=0x5555574e8650) = 20487
[pid 20487] set_robust_list(0x5555574e8660, 24) = 0
[pid 20487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20487] setpgid(0, 0)               = 0
[pid 20487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20487] write(3, "1000", 4)         = 4
[pid 20487] close(3)                    = 0
[  283.572408][T20483] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20487] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20487] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20487] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20487] close(5)                    = 0
[pid 20487] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20490 attached
) = 20490
[pid 20487] tkill(20490, SIGSTOP)       = 0
[pid 20490] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20487, si_uid=65534} ---
[pid 20487] exit_group(0 <unfinished ...>
[pid 20490] --- stopped by SIGSTOP ---
[pid 20487] <... exit_group resumed>)   = ?
[pid 20487] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20490, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20491 attached
, child_tidptr=0x5555574e8650) = 20491
[pid 20491] set_robust_list(0x5555574e8660, 24) = 0
[pid 20491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20491] setpgid(0, 0)               = 0
[pid 20491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20491] write(3, "1000", 4)         = 4
[pid 20491] close(3)                    = 0
[  283.645209][T20487] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20491] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20491] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20491] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20491] close(5)                    = 0
[pid 20491] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20494 attached
) = 20494
[pid 20491] tkill(20494, SIGSTOP)       = 0
[pid 20494] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20491, si_uid=65534} ---
[pid 20491] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20494, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20494] --- stopped by SIGSTOP ---
[pid 20491] <... exit_group resumed>)   = ?
[pid 20491] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20491, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20495 attached
, child_tidptr=0x5555574e8650) = 20495
[pid 20495] set_robust_list(0x5555574e8660, 24) = 0
[pid 20495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20495] setpgid(0, 0)               = 0
[pid 20495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20495] write(3, "1000", 4)         = 4
[pid 20495] close(3)                    = 0
[  283.714647][T20491] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20495] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20495] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20495] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20495] close(5)                    = 0
[pid 20495] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20498 attached
) = 20498
[pid 20495] tkill(20498, SIGSTOP)       = 0
[pid 20498] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20495, si_uid=65534} ---
[pid 20495] exit_group(0 <unfinished ...>
[pid 20498] --- stopped by SIGSTOP ---
[pid 20495] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20498, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20495] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20499 attached
, child_tidptr=0x5555574e8650) = 20499
[pid 20499] set_robust_list(0x5555574e8660, 24) = 0
[pid 20499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20499] setpgid(0, 0)               = 0
[pid 20499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20499] write(3, "1000", 4)         = 4
[  283.787097][T20495] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20499] close(3)                    = 0
[pid 20499] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20499] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20499] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20499] close(5)                    = 0
[pid 20499] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20502 attached
) = 20502
[pid 20499] tkill(20502, SIGSTOP)       = 0
[pid 20502] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20499, si_uid=65534} ---
[pid 20499] exit_group(0 <unfinished ...>
[pid 20502] --- stopped by SIGSTOP ---
[pid 20499] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20502, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20499] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20499, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20503 attached
, child_tidptr=0x5555574e8650) = 20503
[pid 20503] set_robust_list(0x5555574e8660, 24) = 0
[pid 20503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20503] setpgid(0, 0)               = 0
[pid 20503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20503] write(3, "1000", 4)         = 4
[pid 20503] close(3)                    = 0
[  283.861098][T20499] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20503] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20503] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20503] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20503] close(5)                    = 0
[pid 20503] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20506 attached
) = 20506
[pid 20503] tkill(20506, SIGSTOP)       = 0
[pid 20506] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20503, si_uid=65534} ---
[pid 20503] exit_group(0 <unfinished ...>
[pid 20506] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20506, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20503] <... exit_group resumed>)   = ?
[pid 20503] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20503, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20507 attached
, child_tidptr=0x5555574e8650) = 20507
[pid 20507] set_robust_list(0x5555574e8660, 24) = 0
[pid 20507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20507] setpgid(0, 0)               = 0
[pid 20507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20507] write(3, "1000", 4)         = 4
[pid 20507] close(3)                    = 0
[  283.931541][T20503] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20507] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20507] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20507] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20507] close(5)                    = 0
[pid 20507] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20510 attached
) = 20510
[pid 20507] tkill(20510, SIGSTOP)       = 0
[pid 20510] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20507, si_uid=65534} ---
[pid 20507] exit_group(0 <unfinished ...>
[pid 20510] --- stopped by SIGSTOP ---
[pid 20507] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20510, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20507] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20511 attached
, child_tidptr=0x5555574e8650) = 20511
[pid 20511] set_robust_list(0x5555574e8660, 24) = 0
[pid 20511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20511] setpgid(0, 0)               = 0
[pid 20511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20511] write(3, "1000", 4)         = 4
[pid 20511] close(3)                    = 0
[  284.001370][T20507] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20511] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20511] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20511] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20511] close(5)                    = 0
[pid 20511] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20514 attached
) = 20514
[pid 20511] tkill(20514, SIGSTOP)       = 0
[pid 20514] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20511, si_uid=65534} ---
[pid 20511] exit_group(0 <unfinished ...>
[pid 20514] --- stopped by SIGSTOP ---
[pid 20511] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20514, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20511] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20511, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20515 attached
, child_tidptr=0x5555574e8650) = 20515
[pid 20515] set_robust_list(0x5555574e8660, 24) = 0
[pid 20515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20515] setpgid(0, 0)               = 0
[pid 20515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20515] write(3, "1000", 4)         = 4
[pid 20515] close(3)                    = 0
[  284.072590][T20511] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20515] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20515] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20515] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20515] close(5)                    = 0
[pid 20515] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20518 attached
) = 20518
[pid 20515] tkill(20518, SIGSTOP)       = 0
[pid 20518] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20515, si_uid=65534} ---
[pid 20515] exit_group(0 <unfinished ...>
[pid 20518] --- stopped by SIGSTOP ---
[pid 20515] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20518, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20515] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20519 attached
, child_tidptr=0x5555574e8650) = 20519
[pid 20519] set_robust_list(0x5555574e8660, 24) = 0
[pid 20519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20519] setpgid(0, 0)               = 0
[  284.146981][T20515] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20519] write(3, "1000", 4)         = 4
[pid 20519] close(3)                    = 0
[pid 20519] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20519] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20519] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20519] close(5)                    = 0
[pid 20519] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20522 attached
) = 20522
[pid 20519] tkill(20522, SIGSTOP)       = 0
[pid 20522] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20519, si_uid=65534} ---
[pid 20519] exit_group(0 <unfinished ...>
[pid 20522] --- stopped by SIGSTOP ---
[pid 20519] <... exit_group resumed>)   = ?
[pid 20519] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20522, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20523 attached
, child_tidptr=0x5555574e8650) = 20523
[pid 20523] set_robust_list(0x5555574e8660, 24) = 0
[pid 20523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20523] setpgid(0, 0)               = 0
[pid 20523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20523] write(3, "1000", 4)         = 4
[pid 20523] close(3)                    = 0
[  284.228720][T20519] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20523] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20523] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20523] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20523] close(5)                    = 0
[pid 20523] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20526 attached
) = 20526
[pid 20523] tkill(20526, SIGSTOP)       = 0
[pid 20526] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20523, si_uid=65534} ---
[pid 20523] exit_group(0 <unfinished ...>
[pid 20526] --- stopped by SIGSTOP ---
[pid 20523] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20526, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20523] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20527 attached
, child_tidptr=0x5555574e8650) = 20527
[pid 20527] set_robust_list(0x5555574e8660, 24) = 0
[pid 20527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20527] setpgid(0, 0)               = 0
[pid 20527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20527] write(3, "1000", 4)         = 4
[pid 20527] close(3)                    = 0
[  284.299879][T20523] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20527] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20527] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20527] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20527] close(5)                    = 0
[pid 20527] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20530 attached
) = 20530
[pid 20527] tkill(20530, SIGSTOP)       = 0
[pid 20530] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20527, si_uid=65534} ---
[pid 20527] exit_group(0 <unfinished ...>
[pid 20530] --- stopped by SIGSTOP ---
[pid 20527] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20530, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20527] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20527, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20531 attached
, child_tidptr=0x5555574e8650) = 20531
[pid 20531] set_robust_list(0x5555574e8660, 24) = 0
[pid 20531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20531] setpgid(0, 0)               = 0
[pid 20531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20531] write(3, "1000", 4)         = 4
[pid 20531] close(3)                    = 0
[  284.372162][T20527] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20531] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20531] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20531] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20531] close(5)                    = 0
[pid 20531] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20534 attached
) = 20534
[pid 20531] tkill(20534, SIGSTOP)       = 0
[pid 20534] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20531, si_uid=65534} ---
[pid 20531] exit_group(0 <unfinished ...>
[pid 20534] --- stopped by SIGSTOP ---
[pid 20531] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20534, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20531] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20531, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20535 attached
, child_tidptr=0x5555574e8650) = 20535
[pid 20535] set_robust_list(0x5555574e8660, 24) = 0
[pid 20535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20535] setpgid(0, 0)               = 0
[pid 20535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20535] write(3, "1000", 4)         = 4
[pid 20535] close(3)                    = 0
[  284.444448][T20531] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20535] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20535] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20535] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20535] close(5)                    = 0
[pid 20535] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20538 attached
) = 20538
[pid 20535] tkill(20538, SIGSTOP)       = 0
[pid 20538] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20535, si_uid=65534} ---
[pid 20535] exit_group(0 <unfinished ...>
[pid 20538] --- stopped by SIGSTOP ---
[pid 20535] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20538, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20535] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20539 attached
, child_tidptr=0x5555574e8650) = 20539
[pid 20539] set_robust_list(0x5555574e8660, 24) = 0
[pid 20539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20539] setpgid(0, 0)               = 0
[pid 20539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20539] write(3, "1000", 4)         = 4
[  284.517387][T20535] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20539] close(3)                    = 0
[pid 20539] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20539] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20539] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20539] close(5)                    = 0
[pid 20539] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20542 attached
) = 20542
[pid 20539] tkill(20542, SIGSTOP)       = 0
[pid 20542] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20539, si_uid=65534} ---
[pid 20539] exit_group(0 <unfinished ...>
[pid 20542] --- stopped by SIGSTOP ---
[pid 20539] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20542, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20539] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20543 attached
, child_tidptr=0x5555574e8650) = 20543
[pid 20543] set_robust_list(0x5555574e8660, 24) = 0
[pid 20543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20543] setpgid(0, 0)               = 0
[pid 20543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20543] write(3, "1000", 4)         = 4
[  284.594392][T20539] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20543] close(3)                    = 0
[pid 20543] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20543] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20543] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20543] close(5)                    = 0
[pid 20543] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20546 attached
) = 20546
[pid 20543] tkill(20546, SIGSTOP)       = 0
[pid 20546] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20543, si_uid=65534} ---
[pid 20543] exit_group(0 <unfinished ...>
[pid 20546] --- stopped by SIGSTOP ---
[pid 20543] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20546, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20543] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20547 attached
, child_tidptr=0x5555574e8650) = 20547
[pid 20547] set_robust_list(0x5555574e8660, 24) = 0
[pid 20547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20547] setpgid(0, 0)               = 0
[pid 20547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20547] write(3, "1000", 4)         = 4
[pid 20547] close(3)                    = 0
[pid 20547] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  284.669785][T20543] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20547] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20547] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20547] close(5)                    = 0
[pid 20547] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20550 attached
) = 20550
[pid 20547] tkill(20550, SIGSTOP)       = 0
[pid 20550] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20547, si_uid=65534} ---
[pid 20547] exit_group(0 <unfinished ...>
[pid 20550] --- stopped by SIGSTOP ---
[pid 20547] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20550, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20547] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20551 attached
, child_tidptr=0x5555574e8650) = 20551
[pid 20551] set_robust_list(0x5555574e8660, 24) = 0
[pid 20551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20551] setpgid(0, 0)               = 0
[pid 20551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20551] write(3, "1000", 4)         = 4
[pid 20551] close(3)                    = 0
[  284.738233][T20547] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20551] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20551] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20551] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20551] close(5)                    = 0
[pid 20551] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20554 attached
) = 20554
[pid 20551] tkill(20554, SIGSTOP)       = 0
[pid 20554] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20551, si_uid=65534} ---
[pid 20551] exit_group(0 <unfinished ...>
[pid 20554] --- stopped by SIGSTOP ---
[pid 20551] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20554, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20551] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20551, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20555 attached
, child_tidptr=0x5555574e8650) = 20555
[pid 20555] set_robust_list(0x5555574e8660, 24) = 0
[pid 20555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20555] setpgid(0, 0)               = 0
[pid 20555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20555] write(3, "1000", 4)         = 4
[pid 20555] close(3)                    = 0
[  284.809434][T20551] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20555] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20555] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20555] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20555] close(5)                    = 0
[pid 20555] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20558 attached
) = 20558
[pid 20555] tkill(20558, SIGSTOP)       = 0
[pid 20558] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20555, si_uid=65534} ---
[pid 20555] exit_group(0 <unfinished ...>
[pid 20558] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20558, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20555] <... exit_group resumed>)   = ?
[pid 20555] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20559 attached
, child_tidptr=0x5555574e8650) = 20559
[pid 20559] set_robust_list(0x5555574e8660, 24) = 0
[pid 20559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20559] setpgid(0, 0)               = 0
[pid 20559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20559] write(3, "1000", 4)         = 4
[pid 20559] close(3)                    = 0
[  284.880308][T20555] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20559] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20559] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20559] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20559] close(5)                    = 0
[pid 20559] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20562 attached
) = 20562
[pid 20559] tkill(20562, SIGSTOP)       = 0
[pid 20562] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20559, si_uid=65534} ---
[pid 20559] exit_group(0 <unfinished ...>
[pid 20562] --- stopped by SIGSTOP ---
[pid 20559] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20562, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20559] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20559, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20563 attached
, child_tidptr=0x5555574e8650) = 20563
[pid 20563] set_robust_list(0x5555574e8660, 24) = 0
[pid 20563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  284.951999][T20559] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20563] setpgid(0, 0)               = 0
[pid 20563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20563] write(3, "1000", 4)         = 4
[pid 20563] close(3)                    = 0
[pid 20563] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20563] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20563] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20563] close(5)                    = 0
[pid 20563] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20566 attached
) = 20566
[pid 20563] tkill(20566, SIGSTOP)       = 0
[pid 20566] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20563, si_uid=65534} ---
[pid 20563] exit_group(0 <unfinished ...>
[pid 20566] --- stopped by SIGSTOP ---
[pid 20563] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20566, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20563] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20567 attached
, child_tidptr=0x5555574e8650) = 20567
[pid 20567] set_robust_list(0x5555574e8660, 24) = 0
[pid 20567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20567] setpgid(0, 0)               = 0
[pid 20567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20567] write(3, "1000", 4)         = 4
[pid 20567] close(3)                    = 0
[pid 20567] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  285.034508][T20563] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20567] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20567] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20567] close(5)                    = 0
[pid 20567] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20570 attached
) = 20570
[pid 20567] tkill(20570, SIGSTOP)       = 0
[pid 20570] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20567, si_uid=65534} ---
[pid 20567] exit_group(0 <unfinished ...>
[pid 20570] --- stopped by SIGSTOP ---
[pid 20567] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20570, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20567] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20567, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20571 attached
, child_tidptr=0x5555574e8650) = 20571
[pid 20571] set_robust_list(0x5555574e8660, 24) = 0
[pid 20571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20571] setpgid(0, 0)               = 0
[pid 20571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20571] write(3, "1000", 4)         = 4
[  285.102743][T20567] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20571] close(3)                    = 0
[pid 20571] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20571] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20571] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20571] close(5)                    = 0
[pid 20571] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20574 attached
) = 20574
[pid 20571] tkill(20574, SIGSTOP)       = 0
[pid 20574] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20571, si_uid=65534} ---
[pid 20571] exit_group(0 <unfinished ...>
[pid 20574] --- stopped by SIGSTOP ---
[pid 20571] <... exit_group resumed>)   = ?
[pid 20571] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20574, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20575 attached
, child_tidptr=0x5555574e8650) = 20575
[pid 20575] set_robust_list(0x5555574e8660, 24) = 0
[pid 20575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20575] setpgid(0, 0)               = 0
[pid 20575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20575] write(3, "1000", 4)         = 4
[  285.176722][T20571] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20575] close(3)                    = 0
[pid 20575] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20575] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20575] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20575] close(5)                    = 0
[pid 20575] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20578 attached
) = 20578
[pid 20575] tkill(20578, SIGSTOP)       = 0
[pid 20578] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20575, si_uid=65534} ---
[pid 20575] exit_group(0 <unfinished ...>
[pid 20578] --- stopped by SIGSTOP ---
[pid 20575] <... exit_group resumed>)   = ?
[pid 20575] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20578, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20579 attached
, child_tidptr=0x5555574e8650) = 20579
[pid 20579] set_robust_list(0x5555574e8660, 24) = 0
[pid 20579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20579] setpgid(0, 0)               = 0
[pid 20579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20579] write(3, "1000", 4)         = 4
[pid 20579] close(3)                    = 0
[  285.250742][T20575] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20579] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20579] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20579] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20579] close(5)                    = 0
[pid 20579] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20582 attached
) = 20582
[pid 20579] tkill(20582, SIGSTOP)       = 0
[pid 20579] exit_group(0 <unfinished ...>
[pid 20582] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20579, si_uid=65534} ---
[pid 20579] <... exit_group resumed>)   = ?
[pid 20582] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20582, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20579] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20579, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20583 attached
, child_tidptr=0x5555574e8650) = 20583
[pid 20583] set_robust_list(0x5555574e8660, 24) = 0
[pid 20583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20583] setpgid(0, 0)               = 0
[pid 20583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20583] write(3, "1000", 4)         = 4
[pid 20583] close(3)                    = 0
[pid 20583] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  285.323388][T20579] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20583] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20583] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20583] close(5)                    = 0
[pid 20583] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20586 attached
) = 20586
[pid 20583] tkill(20586, SIGSTOP)       = 0
[pid 20586] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20583, si_uid=65534} ---
[pid 20583] exit_group(0 <unfinished ...>
[pid 20586] --- stopped by SIGSTOP ---
[pid 20583] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20586, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20583] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20583, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20587 attached
, child_tidptr=0x5555574e8650) = 20587
[pid 20587] set_robust_list(0x5555574e8660, 24) = 0
[pid 20587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20587] setpgid(0, 0)               = 0
[pid 20587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20587] write(3, "1000", 4)         = 4
[  285.391894][T20583] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20587] close(3)                    = 0
[pid 20587] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20587] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20587] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20587] close(5)                    = 0
[pid 20587] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20590 attached
) = 20590
[pid 20587] tkill(20590, SIGSTOP)       = 0
[pid 20590] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20587, si_uid=65534} ---
[pid 20587] exit_group(0 <unfinished ...>
[pid 20590] --- stopped by SIGSTOP ---
[pid 20587] <... exit_group resumed>)   = ?
[pid 20587] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20590, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20591 attached
, child_tidptr=0x5555574e8650) = 20591
[pid 20591] set_robust_list(0x5555574e8660, 24) = 0
[pid 20591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20591] setpgid(0, 0)               = 0
[pid 20591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20591] write(3, "1000", 4)         = 4
[  285.465929][T20587] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20591] close(3)                    = 0
[pid 20591] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20591] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20591] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20591] close(5)                    = 0
[pid 20591] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20594 attached
) = 20594
[pid 20591] tkill(20594, SIGSTOP)       = 0
[pid 20594] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20591, si_uid=65534} ---
[pid 20591] exit_group(0 <unfinished ...>
[pid 20594] --- stopped by SIGSTOP ---
[pid 20591] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20594, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20591] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20591, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20595 attached
, child_tidptr=0x5555574e8650) = 20595
[pid 20595] set_robust_list(0x5555574e8660, 24) = 0
[pid 20595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20595] setpgid(0, 0)               = 0
[pid 20595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20595] write(3, "1000", 4)         = 4
[pid 20595] close(3)                    = 0
[  285.540155][T20591] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20595] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20595] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20595] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20595] close(5)                    = 0
[pid 20595] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20598 attached
) = 20598
[pid 20595] tkill(20598, SIGSTOP)       = 0
[pid 20598] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20595, si_uid=65534} ---
[pid 20595] exit_group(0 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20598, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20598] --- stopped by SIGSTOP ---
[pid 20595] <... exit_group resumed>)   = ?
[pid 20595] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20599 attached
, child_tidptr=0x5555574e8650) = 20599
[pid 20599] set_robust_list(0x5555574e8660, 24) = 0
[pid 20599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20599] setpgid(0, 0)               = 0
[pid 20599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20599] write(3, "1000", 4)         = 4
[  285.614091][T20595] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20599] close(3)                    = 0
[pid 20599] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20599] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20599] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20599] close(5)                    = 0
[pid 20599] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20602 attached
) = 20602
[pid 20599] tkill(20602, SIGSTOP)       = 0
[pid 20599] exit_group(0 <unfinished ...>
[pid 20602] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20599, si_uid=65534} ---
[pid 20599] <... exit_group resumed>)   = ?
[pid 20602] --- stopped by SIGSTOP ---
[pid 20599] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20602, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20603 attached
, child_tidptr=0x5555574e8650) = 20603
[pid 20603] set_robust_list(0x5555574e8660, 24) = 0
[pid 20603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20603] setpgid(0, 0)               = 0
[pid 20603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20603] write(3, "1000", 4)         = 4
[pid 20603] close(3)                    = 0
[  285.688143][T20599] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20603] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20603] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20603] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20603] close(5)                    = 0
[pid 20603] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20606 attached
) = 20606
[pid 20603] tkill(20606, SIGSTOP)       = 0
[pid 20606] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20603, si_uid=65534} ---
[pid 20603] exit_group(0 <unfinished ...>
[pid 20606] --- stopped by SIGSTOP ---
[pid 20603] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20606, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20603] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20607 attached
, child_tidptr=0x5555574e8650) = 20607
[pid 20607] set_robust_list(0x5555574e8660, 24) = 0
[pid 20607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20607] setpgid(0, 0)               = 0
[pid 20607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20607] write(3, "1000", 4)         = 4
[pid 20607] close(3)                    = 0
[  285.759040][T20603] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20607] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20607] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20607] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20607] close(5)                    = 0
[pid 20607] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20610 attached
) = 20610
[pid 20607] tkill(20610, SIGSTOP)       = 0
[pid 20610] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20607, si_uid=65534} ---
[pid 20610] --- stopped by SIGSTOP ---
[pid 20607] exit_group(0)               = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20610, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20607] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20611 attached
, child_tidptr=0x5555574e8650) = 20611
[pid 20611] set_robust_list(0x5555574e8660, 24) = 0
[pid 20611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20611] setpgid(0, 0)               = 0
[pid 20611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20611] write(3, "1000", 4)         = 4
[pid 20611] close(3)                    = 0
[  285.831479][T20607] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20611] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20611] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20611] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20611] close(5)                    = 0
[pid 20611] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20614 attached
) = 20614
[pid 20611] tkill(20614, SIGSTOP)       = 0
[pid 20614] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20611, si_uid=65534} ---
[pid 20611] exit_group(0 <unfinished ...>
[pid 20614] --- stopped by SIGSTOP ---
[pid 20611] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20614, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20611] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20611, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20615 attached
, child_tidptr=0x5555574e8650) = 20615
[pid 20615] set_robust_list(0x5555574e8660, 24) = 0
[pid 20615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20615] setpgid(0, 0)               = 0
[pid 20615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20615] write(3, "1000", 4)         = 4
[pid 20615] close(3)                    = 0
[pid 20615] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  285.902456][T20611] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20615] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20615] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20615] close(5)                    = 0
[pid 20615] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20618 attached
) = 20618
[pid 20615] tkill(20618, SIGSTOP)       = 0
[pid 20618] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20615, si_uid=65534} ---
[pid 20615] exit_group(0 <unfinished ...>
[pid 20618] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20618, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20615] <... exit_group resumed>)   = ?
[pid 20615] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20615, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20619 attached
, child_tidptr=0x5555574e8650) = 20619
[pid 20619] set_robust_list(0x5555574e8660, 24) = 0
[pid 20619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20619] setpgid(0, 0)               = 0
[pid 20619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[  285.970895][T20615] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20619] write(3, "1000", 4)         = 4
[pid 20619] close(3)                    = 0
[pid 20619] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20619] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20619] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20619] close(5)                    = 0
[pid 20619] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20622 attached
) = 20622
[pid 20619] tkill(20622, SIGSTOP)       = 0
[pid 20622] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20619, si_uid=65534} ---
[pid 20619] exit_group(0 <unfinished ...>
[pid 20622] --- stopped by SIGSTOP ---
[pid 20619] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20622, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20619] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20619, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20623 attached
, child_tidptr=0x5555574e8650) = 20623
[pid 20623] set_robust_list(0x5555574e8660, 24) = 0
[pid 20623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20623] setpgid(0, 0)               = 0
[pid 20623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20623] write(3, "1000", 4)         = 4
[pid 20623] close(3)                    = 0
[pid 20623] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  286.050802][T20619] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20623] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20623] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20623] close(5)                    = 0
[pid 20623] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20626 attached
) = 20626
[pid 20623] tkill(20626, SIGSTOP)       = 0
[pid 20626] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20623, si_uid=65534} ---
[pid 20623] exit_group(0 <unfinished ...>
[pid 20626] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20626, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20623] <... exit_group resumed>)   = ?
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20623] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20623, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20627 attached
, child_tidptr=0x5555574e8650) = 20627
[pid 20627] set_robust_list(0x5555574e8660, 24) = 0
[pid 20627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20627] setpgid(0, 0)               = 0
[pid 20627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20627] write(3, "1000", 4)         = 4
[pid 20627] close(3)                    = 0
[  286.119885][T20623] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20627] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20627] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20627] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20627] close(5)                    = 0
[pid 20627] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20630 attached
) = 20630
[pid 20627] tkill(20630, SIGSTOP)       = 0
[pid 20630] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20627, si_uid=65534} ---
[pid 20627] exit_group(0 <unfinished ...>
[pid 20630] --- stopped by SIGSTOP ---
[pid 20627] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20630, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20627] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20627, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20631 attached
, child_tidptr=0x5555574e8650) = 20631
[pid 20631] set_robust_list(0x5555574e8660, 24) = 0
[pid 20631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20631] setpgid(0, 0)               = 0
[pid 20631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20631] write(3, "1000", 4)         = 4
[pid 20631] close(3)                    = 0
[  286.192765][T20627] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20631] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20631] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20631] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20631] close(5)                    = 0
[pid 20631] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20634 attached
) = 20634
[pid 20631] tkill(20634, SIGSTOP)       = 0
[pid 20634] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20631, si_uid=65534} ---
[pid 20631] exit_group(0 <unfinished ...>
[pid 20634] --- stopped by SIGSTOP ---
[pid 20631] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20634, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20631] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20635 attached
, child_tidptr=0x5555574e8650) = 20635
[pid 20635] set_robust_list(0x5555574e8660, 24) = 0
[pid 20635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20635] setpgid(0, 0)               = 0
[pid 20635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20635] write(3, "1000", 4)         = 4
[  286.264009][T20631] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20635] close(3)                    = 0
[pid 20635] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20635] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20635] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20635] close(5)                    = 0
[pid 20635] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20638 attached
) = 20638
[pid 20635] tkill(20638, SIGSTOP)       = 0
[pid 20638] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20635, si_uid=65534} ---
[pid 20635] exit_group(0 <unfinished ...>
[pid 20638] --- stopped by SIGSTOP ---
[pid 20635] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20638, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20635] +++ exited with 0 +++
[pid  5050] <... restart_syscall resumed>) = 0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20639 attached
, child_tidptr=0x5555574e8650) = 20639
[pid 20639] set_robust_list(0x5555574e8660, 24) = 0
[pid 20639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20639] setpgid(0, 0)               = 0
[pid 20639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20639] write(3, "1000", 4)         = 4
[pid 20639] close(3)                    = 0
[pid 20639] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[  286.336190][T20635] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20639] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20639] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20639] close(5)                    = 0
[pid 20639] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20642 attached
) = 20642
[pid 20639] tkill(20642, SIGSTOP)       = 0
[pid 20642] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20639, si_uid=65534} ---
[pid 20639] exit_group(0 <unfinished ...>
[pid 20642] --- stopped by SIGSTOP ---
[pid 20639] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20642, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20639] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20639, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20643 attached
, child_tidptr=0x5555574e8650) = 20643
[pid 20643] set_robust_list(0x5555574e8660, 24) = 0
[pid 20643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20643] setpgid(0, 0)               = 0
[pid 20643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20643] write(3, "1000", 4)         = 4
[pid 20643] close(3)                    = 0
[  286.404187][T20639] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20643] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20643] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20643] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20643] close(5)                    = 0
[pid 20643] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20646 attached
) = 20646
[pid 20643] tkill(20646, SIGSTOP)       = 0
[pid 20646] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20643, si_uid=65534} ---
[pid 20643] exit_group(0 <unfinished ...>
[pid 20646] --- stopped by SIGSTOP ---
[pid 20643] <... exit_group resumed>)   = ?
[pid 20643] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20646, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20647 attached
, child_tidptr=0x5555574e8650) = 20647
[pid 20647] set_robust_list(0x5555574e8660, 24) = 0
[pid 20647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20647] setpgid(0, 0)               = 0
[  286.475133][T20643] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20647] write(3, "1000", 4)         = 4
[pid 20647] close(3)                    = 0
[pid 20647] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20647] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20647] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[  286.526451][   T29] INFO: task kworker/1:0:23 blocked for more than 143 seconds.
[  286.534555][   T29]       Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
[  286.543610][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.548966][T20647] vhci_hcd vhci_hcd.0: port 0 already used
[  286.558674][   T29] task:kworker/1:0     state:D stack:25112 pid:23    tgid:23    ppid:2      flags:0x00004000
[  286.569009][   T29] Workqueue: usb_hub_wq hub_event
[pid 20647] close(5)                    = 0
[pid 20647] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 20650
[pid 20647] tkill(20650, SIGSTOP)       = 0
[pid 20647] exit_group(0./strace-static-x86_64: Process 20650 attached
)               = ?
[pid 20647] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 20650] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20647, si_uid=65534} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 20650] --- stopped by SIGSTOP ---
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20650, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20651 attached
, child_tidptr=0x5555574e8650) = 20651
[pid 20651] set_robust_list(0x5555574e8660, 24) = 0
[pid 20651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20651] setpgid(0, 0)               = 0
[pid 20651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20651] write(3, "1000", 4)         = 4
[  286.574477][   T29] Call Trace:
[  286.578836][   T29]  <TASK>
[  286.581827][   T29]  __schedule+0x1960/0x4a80
[  286.587307][   T29]  ? release_firmware_map_entry+0x190/0x190
[  286.593618][   T29]  ? __lock_acquire+0x7f70/0x7f70
[  286.600127][   T29]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[  286.607156][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.612952][   T29]  ? lockdep_hardirqs_on+0x98/0x140
[  286.619168][   T29]  ? schedule+0x8e/0x260
[pid 20651] close(3)                    = 0
[pid 20651] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20651] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20651] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20651] close(5)                    = 0
[  286.623761][   T29]  schedule+0x149/0x260
[  286.629890][   T29]  usb_kill_urb+0x1c9/0x300
[  286.634789][   T29]  ? usb_unlink_urb+0xa0/0xa0
[  286.640309][   T29]  ? wake_bit_function+0x220/0x220
[  286.642641][T20651] vhci_hcd vhci_hcd.0: port 0 already used
[  286.645476][   T29]  usb_start_wait_urb+0x1b0/0x520
[  286.656968][   T29]  ? usb_api_blocking_completion+0xa0/0xa0
[  286.663567][   T29]  usb_control_msg+0x2b1/0x4c0
[  286.669486][   T29]  ? usb_anchor_empty+0x40/0x40
[pid 20651] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20654 attached
) = 20654
[pid 20651] tkill(20654, SIGSTOP)       = 0
[pid 20654] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20651, si_uid=65534} ---
[pid 20651] exit_group(0 <unfinished ...>
[pid 20654] --- stopped by SIGSTOP ---
[pid 20651] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20654, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20651] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20651, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20655 attached
, child_tidptr=0x5555574e8650) = 20655
[pid 20655] set_robust_list(0x5555574e8660, 24) = 0
[pid 20655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20655] setpgid(0, 0)               = 0
[pid 20655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20655] write(3, "1000", 4)         = 4
[pid 20655] close(3)                    = 0
[pid 20655] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20655] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  286.674403][   T29]  hub_port_init+0xaa6/0x23a0
[  286.679979][   T29]  hub_event+0x2a3c/0x50a0
[  286.684803][   T29]  ? led_work+0x770/0x770
[  286.690121][   T29]  ? read_lock_is_recursive+0x20/0x20
[  286.696108][   T29]  ? lockdep_hardirqs_on_prepare+0x43c/0x7a0
[  286.702143][   T29]  ? print_irqtrace_events+0x220/0x220
[  286.708934][   T29]  ? process_scheduled_works+0x825/0x1400
[  286.715089][   T29]  process_scheduled_works+0x90f/0x1400
[  286.719878][T20655] vhci_hcd vhci_hcd.0: port 0 already used
[pid 20655] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20655] close(5)                    = 0
[pid 20655] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER./strace-static-x86_64: Process 20658 attached
) = 20658
[pid 20655] tkill(20658, SIGSTOP)       = 0
[pid 20658] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20655, si_uid=65534} ---
[pid 20655] exit_group(0 <unfinished ...>
[pid 20658] --- stopped by SIGSTOP ---
[pid 20655] <... exit_group resumed>)   = ?
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20658, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20655] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20655, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[  286.721605][   T29]  ? assign_work+0x3d0/0x3d0
[  286.731575][   T29]  ? assign_work+0x364/0x3d0
[  286.736922][   T29]  worker_thread+0xa5f/0xff0
[  286.742526][   T29]  kthread+0x2d3/0x370
[  286.747226][   T29]  ? pr_cont_work+0x5e0/0x5e0
[  286.752259][   T29]  ? kthread_blkcg+0xd0/0xd0
[  286.758731][   T29]  ret_from_fork+0x48/0x80
[  286.763268][   T29]  ? kthread_blkcg+0xd0/0xd0
[  286.768897][   T29]  ret_from_fork_asm+0x11/0x20
[  286.773834][   T29]  </TASK>
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20659 attached
, child_tidptr=0x5555574e8650) = 20659
[pid 20659] set_robust_list(0x5555574e8660, 24) = 0
[pid 20659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20659] setpgid(0, 0)               = 0
[pid 20659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20659] write(3, "1000", 4)         = 4
[pid 20659] close(3)                    = 0
[pid 20659] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20659] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  286.778630][   T29] 
[  286.778630][   T29] Showing all locks held in the system:
[  286.787783][   T29] 5 locks held by kworker/1:0/23:
[  286.793154][   T29]  #0: ffff888015256d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400
[  286.806105][   T29]  #1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400
[  286.819426][   T29]  #2: ffff88823bc72990 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50a0
[pid 20659] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20659] close(5)                    = 0
[pid 20659] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 20662
[pid 20659] tkill(20662, SIGSTOP)       = 0
[pid 20659] exit_group(0./strace-static-x86_64: Process 20662 attached
)               = ?
[pid 20659] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20659, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5050] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 20662] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20659, si_uid=65534} ---
[pid  5050] <... restart_syscall resumed>) = 0
[  286.822406][T20659] vhci_hcd vhci_hcd.0: port 0 already used
[  286.828962][   T29]  #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x26a5/0x50a0
[  286.844338][   T29]  #4: ffff888142b69268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x26d9/0x50a0
[  286.854486][   T29] 1 lock held by khungtaskd/29:
[  286.859446][   T29]  #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[  286.869546][   T29] 2 locks held by getty/4802:
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 20662] --- stopped by SIGSTOP ---
./strace-static-x86_64: Process 20663 attached
[pid  5050] <... clone resumed>, child_tidptr=0x5555574e8650) = 20663
[pid 20663] set_robust_list(0x5555574e8660, 24 <unfinished ...>
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20662, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20663] <... set_robust_list resumed>) = 0
[pid 20663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20663] setpgid(0, 0)               = 0
[pid 20663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20663] write(3, "1000", 4)         = 4
[pid 20663] close(3)                    = 0
[pid 20663] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20663] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[  286.874768][   T29]  #0: ffff88814b1c50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  286.885143][   T29]  #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0
[  286.896642][   T29] 
[  286.899416][   T29] =============================================
[  286.899416][   T29] 
[  286.908312][   T29] NMI backtrace for cpu 1
[  286.912685][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
[pid 20663] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20663] close(5)                    = 0
[pid 20663] clone(child_stack=NULL, flags=CLONE_PARENT|CLONE_NEWCGROUP|CLONE_NEWUSER) = 20666
[  286.922188][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  286.932256][   T29] Call Trace:
[  286.935556][   T29]  <TASK>
[  286.938504][   T29]  dump_stack_lvl+0x1e7/0x2d0
[  286.943213][   T29]  ? preempt_schedule_thunk+0x1a/0x30
[  286.945260][T20663] vhci_hcd vhci_hcd.0: port 0 already used
[  286.948600][   T29]  ? nf_tcp_handle_invalid+0x650/0x650
[  286.948633][   T29]  ? panic+0x770/0x770
[  286.948660][   T29]  ? vprintk_emit+0x607/0x720
[  286.968705][   T29]  ? printk_sprint+0x480/0x480
[  286.973539][   T29]  nmi_cpu_backtrace+0x498/0x4d0
[pid 20663] tkill(20666, SIGSTOP)       = 0
[pid 20663] exit_group(0)               = ?
[pid 20663] +++ exited with 0 +++
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20663, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
./strace-static-x86_64: Process 20666 attached
[pid 20666] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=20663, si_uid=65534} ---
[  286.978551][   T29]  ? nmi_trigger_cpumask_backtrace+0x310/0x310
[  286.984743][   T29]  ? _printk+0xd5/0x120
[  286.988942][   T29]  ? panic+0x770/0x770
[  286.993053][   T29]  ? __wake_up_klogd+0xcc/0x100
[  286.997952][   T29]  ? panic+0x770/0x770
[  287.002068][   T29]  ? __rcu_read_unlock+0x96/0x100
[  287.007131][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  287.013241][   T29]  nmi_trigger_cpumask_backtrace+0x198/0x310
[  287.019259][   T29]  watchdog+0xfa9/0xff0
[  287.023494][   T29]  ? watchdog+0x1e9/0xff0
[pid  5050] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=20666, si_uid=65534, si_status=SIGSTOP, si_utime=0, si_stime=0} ---
[pid 20666] --- stopped by SIGSTOP ---
[pid  5050] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574e8650) = 20667
./strace-static-x86_64: Process 20667 attached
[pid 20667] set_robust_list(0x5555574e8660, 24) = 0
[pid 20667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20667] setpgid(0, 0)               = 0
[pid 20667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20667] write(3, "1000", 4)         = 4
[pid 20667] close(3)                    = 0
[pid 20667] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 20667] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 5
[pid 20667] write(5, "0 3 0 2", 7)      = -1 EBUSY (Device or resource busy)
[pid 20667] close(5)                    = 0
[  287.027876][   T29]  kthread+0x2d3/0x370
[  287.031979][   T29]  ? hungtask_pm_notify+0x90/0x90
[  287.037043][   T29]  ? kthread_blkcg+0xd0/0xd0
[  287.041679][   T29]  ret_from_fork+0x48/0x80
[  287.046131][   T29]  ? kthread_blkcg+0xd0/0xd0
[  287.050617][T20667] vhci_hcd vhci_hcd.0: port 0 already used
[  287.050738][   T29]  ret_from_fork_asm+0x11/0x20
[  287.061363][   T29]  </TASK>
[  287.064673][   T29] Sending NMI from CPU 1 to CPUs 0:
[  287.072536][    C0] NMI backtrace for cpu 0
[  287.072547][    C0] CPU: 0 PID: 5045 Comm: sshd Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
[  287.072564][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  287.072573][    C0] RIP: 0010:__might_sleep+0x7a/0xc0
[  287.072598][    C0] Code: 00 74 08 48 89 ef e8 95 9b 87 00 48 8b 4d 00 48 85 c9 74 09 80 3d 41 ed 67 0d 00 74 15 4c 89 ff 44 89 f6 31 d2 5b 41 5c 41 5e <41> 5f 5d e9 3e 00 00 00 c6 05 23 ed 67 0d 01 48 c7 c7 80 44 4a 8b
[  287.072611][    C0] RSP: 0018:ffffc9000423fcf0 EFLAGS: 00000246
[  287.072625][    C0] RAX: 0000000000000000 RBX: ffff88801a39d940 RCX: ffff88801a39d940
[  287.072637][    C0] RDX: 0000000000000000 RSI: 000000000000000e RDI: ffffffff8cfb5609
[  287.072647][    C0] RBP: ffff88801a39d940 R08: ffffffff81d5ced0 R09: 0000000000000000
[  287.072657][    C0] R10: ffffc9000423fda0 R11: fffff52000847fb6 R12: dffffc0000000000
[  287.072670][    C0] R13: ffffc9000423fda0 R14: 000000000000000e R15: ffffffff8cfb5609
[  287.072681][    C0] FS:  00007f033d0e9800(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[  287.072694][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  287.072705][    C0] CR2: 00007fa5237e2c00 CR3: 0000000079f16000 CR4: 00000000003506f0
[  287.072719][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  287.072728][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  287.072737][    C0] Call Trace:
[  287.072743][    C0]  <NMI>
[  287.072749][    C0]  ? nmi_cpu_backtrace+0x3be/0x4d0
[  287.072771][    C0]  ? read_lock_is_recursive+0x20/0x20
[  287.072792][    C0]  ? nmi_trigger_cpumask_backtrace+0x310/0x310
[  287.072812][    C0]  ? nmi_handle+0x2a/0x570
[  287.072845][    C0]  ? nmi_cpu_backtrace_handler+0xc/0x10
[  287.072866][    C0]  ? nmi_handle+0x14c/0x570
[  287.072885][    C0]  ? nmi_handle+0x2a/0x570
[  287.072905][    C0]  ? __might_sleep+0x7a/0xc0
[  287.072923][    C0]  ? default_do_nmi+0x62/0x150
[  287.072943][    C0]  ? exc_nmi+0x121/0x200
[  287.072962][    C0]  ? end_repeat_nmi+0xf/0x2a
[  287.073075][    C0]  ? __might_fault+0x50/0x120
[  287.073101][    C0]  ? __might_sleep+0x7a/0xc0
[  287.073120][    C0]  ? __might_sleep+0x7a/0xc0
[  287.073139][    C0]  ? __might_sleep+0x7a/0xc0
[  287.073158][    C0]  </NMI>
[  287.073162][    C0]  <TASK>
[  287.073167][    C0]  __might_fault+0x6d/0x120
[  287.073184][    C0]  _copy_from_user+0x2a/0xe0
[  287.073214][    C0]  get_timespec64+0x97/0x270
[  287.073238][    C0]  ? timespec64_add_safe+0x220/0x220
[  287.073260][    C0]  ? __might_fault+0xc1/0x120
[  287.073278][    C0]  __se_sys_ppoll+0xd1/0x330
[  287.073317][    C0]  ? __x64_sys_ppoll+0xc0/0xc0
[  287.073339][    C0]  ? syscall_enter_from_user_mode+0x32/0x230
[  287.073362][    C0]  ? lockdep_hardirqs_on+0x98/0x140
[  287.073401][    C0]  ? __x64_sys_ppoll+0x20/0xc0
[  287.073422][    C0]  do_syscall_64+0x44/0x110
[  287.073442][    C0]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  287.073462][    C0] RIP: 0033:0x7f033cd19ad5
[  287.073475][    C0] Code: 85 d2 74 0d 0f 10 02 48 8d 54 24 20 0f 11 44 24 20 64 8b 04 25 18 00 00 00 85 c0 75 27 41 b8 08 00 00 00 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 75 48 8b 15 24 73 0d 00 f7 d8 64 89 02 48 83
[  287.073489][    C0] RSP: 002b:00007ffeeb7bc790 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
[  287.073506][    C0] RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f033cd19ad5
[  287.073517][    C0] RDX: 00007ffeeb7bc7b0 RSI: 0000000000000004 RDI: 000055f7e3fce820
[  287.073528][    C0] RBP: 000055f7e3fcd3f0 R08: 0000000000000008 R09: 0000000000000000
[  287.073538][    C0] R10: 00007ffeeb7bc898 R11: 0000000000000246 R12: 000055f7e3dfcaa4
[  287.073549][    C0] R13: 0000000000000001 R14: 000055f7e3dfd3e8 R15: 00007ffeeb7bc818
[  287.073588][    C0]  </TASK>
[  287.073595][    C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.059 msecs
[  287.074701][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  287.442572][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
[  287.452035][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  287.462090][   T29] Call Trace:
[  287.465379][   T29]  <TASK>
[  287.468317][   T29]  dump_stack_lvl+0x1e7/0x2d0
[  287.473010][   T29]  ? nf_tcp_handle_invalid+0x650/0x650
[  287.478476][   T29]  ? panic+0x770/0x770
[  287.482563][   T29]  ? vscnprintf+0x5d/0x80
[  287.486897][   T29]  panic+0x30f/0x770
[  287.490804][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  287.496446][   T29]  ? nmi_trigger_cpumask_backtrace+0x244/0x310
[  287.502611][   T29]  ? __memcpy_flushcache+0x2b0/0x2b0
[  287.507929][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  287.514016][   T29]  ? nmi_trigger_cpumask_backtrace+0x244/0x310
[  287.520199][   T29]  ? nmi_trigger_cpumask_backtrace+0x2c5/0x310
[  287.526368][   T29]  ? nmi_trigger_cpumask_backtrace+0x2ca/0x310
[  287.532538][   T29]  watchdog+0xfe8/0xff0
[  287.536711][   T29]  ? watchdog+0x1e9/0xff0
[  287.541057][   T29]  kthread+0x2d3/0x370
[  287.545123][   T29]  ? hungtask_pm_notify+0x90/0x90
[  287.550152][   T29]  ? kthread_blkcg+0xd0/0xd0
[  287.554747][   T29]  ret_from_fork+0x48/0x80
[  287.559170][   T29]  ? kthread_blkcg+0xd0/0xd0
[  287.563765][   T29]  ret_from_fork_asm+0x11/0x20
[  287.568550][   T29]  </TASK>
[  287.571889][   T29] Kernel Offset: disabled
[  287.576231][   T29] Rebooting in 86400 seconds..