panic: missing alias
Starting stack trace...
panic(ffffffff82fbcf70) at panic+0x1ba sys/kern/subr_prf.c:229
vgonel(fffffd80774b1de0,ffff800037682a58) at vgonel+0x681 sys/kern/vfs_subr.c:1197
checkalias(fffffd806c575b00,800,ffff800000b55400) at checkalias+0x1ab
ffs_vinit(ffff800000b55400,ffff80002a5a3430) at ffs_vinit+0x13d
ffs_vget(ffff800000b55400,13447,ffff80002a5a3518) at ffs_vget+0x421 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd8007c311b0,ffff80002a5a3968,ffff80002a5a3998) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a5a3938) at vfs_lookup+0x8e1 sys/kern/vfs_lookup.c:566
namei(ffff80002a5a3938) at namei+0x7aa sys/kern/vfs_lookup.c:250
vn_open(ffff80002a5a3938,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140
doopenat(ffff800037682a58,ffffff9c,5ab74b77290,2,0,ffff80002a5a3ae0) at doopenat+0x31d sys/kern/vfs_syscalls.c:1123
syscall(ffff80002a5a3b90) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x72c88a8f4e00, count: 244
End of stack trace.