panic: bad dir
Starting stack trace...
panic(ffffffff8286ebb3) at panic+0x159 sys/kern/subr_prf.c:229
ufs_lookup() at ufs_lookup+0x169a sys/ufs/ufs/ufs_lookup.c:600
VOP_LOOKUP(fffffd80551fc288,ffff800035de6f78,ffff800035de6fa8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff800035de6f48) at vfs_lookup+0x6df sys/kern/vfs_lookup.c:566
namei(ffff800035de6f48) at namei+0x56a sys/kern/vfs_lookup.c:250
dounlinkat(ffff80002c70d748,ffffff9c,7300e7253850,8) at dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855
syscall(ffff800035de7120) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7300e7253840, count: 249
End of stack trace.
syncing disks...16 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  giving up

dump to dev 4,1 not possible
rebooting...
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000080000000 = 2048 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 1498d526-897b-4d0e-28be-a262cd523d51
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f27f0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.65
boot> show all pools
boot: illegal argument all
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace