kernel panic at kern/src/ns/chan.c:334, from core 2: cclose 0x0000000000000000
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a39c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009b35>] in _panic at src/init.c:268
#03 [<0xffffffffc203187a>] in cclose at src/ns/chan.c:334
#04 [<0xffffffffc2033281>] in walk_symlink at src/ns/chan.c:1739
#05 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#06 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#07 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#08 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#09 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#10 [<0xffffffffc203326c>] in walk_symlink at src/ns/chan.c:1737
#11 [<0xffffffffc2032d82>] in walk at src/ns/chan.c:890
#12 [<0xffffffffc2033459>] in __namec_from at src/ns/chan.c:1162
#13 [<0xffffffffc2034043>] in namec at src/ns/chan.c:1552
#14 [<0xffffffffc203dfed>] in sysrename at src/ns/sysfile.c:884
#15 [<0xffffffffc20568b2>] in sys_rename at src/syscall.c:2376
#16 [<0xffffffffc2059a29>] in syscall at src/syscall.c:2560
#17 [<0xffffffffc205a5d8>] in run_local_syscall at src/syscall.c:2597
#18 [<0xffffffffc205ab19>] in prep_syscalls at src/syscall.c:2617
#19 [<0xffffffffc20ac432>] in sysenter_callwrapper at arch/x86/trap.c:877