panic: malformed IPv4 option passed to ip_optcopy
Starting stack trace...
panic(ffffffff828efb08) at panic+0x159 sys/kern/subr_prf.c:229
ip_fragment(fffffd805ba76b00,ffff8000327f2ad8,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd805ba76b00,0,fffffd8078f068f0,22,0,0,74e6f85bddf98efa) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8078f06878,fffffd805ba76b00,fffffd805ba76800,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd80679d3030,fffffd805ba76800,ffff8000327f2d50,0,0,0) at sosend+0x66d
sendit(ffff80002db0b550,3,ffff8000327f2ee8,0,ffff8000327f2ed8) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002db0b550,ffff8000327f3090,ffff8000327f2fe0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff8000327f3090) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x57e4be69d0, count: 248
End of stack trace.
syncing disks...30 21 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 860ebdd0-427f-2be6-5726-fd56b385017a
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 0x000f2860: 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