kernel panic at kern/arch/x86/trap.c:325, from core 3: Proc-ful Page Fault in the Kernel at 0x0000000020000100!
HW TRAP frame at 0xfffffff001094ab0 on core 3
  rax  0xfffffff001094c00
  rbx  0xfffffff001094bf8
  rcx  0x0000000020000101
  rdx  0x0000000020000100
  rbp  0xfffffff001094b78
  rsi  0xfffffff001094bf8
  rdi  0x0000000000000065
  r8   0x000000000000002d
  r9   0xffffffffc21163b7
  r10  0x0000000000000000
  r11  0xffffffffc20c3c07
  r12  0xffffffffc20489b0
  r13  0xffffffffc21163b7
  r14  0x0000000000000006
  r15  0x0000000000000005
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc8f7a340
  fsbs 0x0000000000000000
  err  0x--------00000003
  rip  0xffffffffc20489c7
  cs   0x------------0008
  flag 0x0000000000010293
  rsp  0xfffffff001094b78
  ss   0x------------0010
Backtrace of kernel context on Core 3:
#01 [<0xffffffffc20489c7>] in sprintputch at src/printfmt.c:301
#02 [<0xffffffffc2048deb>] in vprintfmt at src/printfmt.c:204
#03 [<0xffffffffc2049492>] in vsnprintf at src/printfmt.c:328
#04 [<0xffffffffc2049504>] in snprintf at src/printfmt.c:342
#05 [<0xffffffffc201493b>] in arpread at src/net/arp.c:578
#06 [<0xffffffffc2015289>] in ipread at src/net/devip.c:817
#07 [<0xffffffffc203fe9d>] in rread at src/ns/sysfile.c:772
#08 [<0xffffffffc20401fb>] in sysread at src/ns/sysfile.c:830
#09 [<0xffffffffc20593e9>] in sys_read at src/syscall.c:1786
#10 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#11 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#12 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#13 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932