panic: missing alias
Starting stack trace...
panic(ffffffff82fe89a2) at panic+0x1d0 sys/kern/subr_prf.c:229
vgonel(fffffd8066eb61e8,ffff80002a090550) at vgonel+0x681 sys/kern/vfs_subr.c:1200
checkalias(fffffd8079d26628,0,ffff800000b5e000) at checkalias+0x1ab
ffs_vinit(ffff800000b5e000,ffff8000371a8320) at ffs_vinit+0x13d
ffs_vget(ffff800000b5e000,196c1,ffff8000371a8408) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd8079d26988,ffff8000371a8858,ffff8000371a8888) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000371a8828) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff8000371a8828) at namei+0x7aa sys/kern/vfs_lookup.c:250
vn_open(ffff8000371a8828,1,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140
doopenat(ffff80002a090550,ffffff9c,20000040,0,0,ffff8000371a89d0) at doopenat+0x31d sys/kern/vfs_syscalls.c:1123
syscall(ffff8000371a8a80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371a8a80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xec73e9ace30, count: 244
End of stack trace.