panic: malformed IPv4 option passed to ip_optcopy
Starting stack trace...
panic(ffffffff828f6f9f) at panic+0x159 sys/kern/subr_prf.c:229
ip_fragment(fffffd80655c4800,ffff800030d58d78,ffff80000019e2a8,5dc) at ip_fragment+0x7b1
ip_output(fffffd80655c4800,0,fffffd8067c931e8,22,0,0,c3dfb6a417948e89) at ip_output+0xe10 sys/netinet/ip_output.c:478
divert_output(fffffd8067c93170,fffffd80655c4800,fffffd80655c4d00,0) at divert_output+0x2ca sys/netinet/ip_divert.c:174
sosend(fffffd8071ea2b70,fffffd80655c4d00,ffff800030d58ff0,0,0,0) at sosend+0x66d
sendit(ffff80002a666aa0,3,ffff800030d59188,0,ffff800030d59178) at sendit+0x65d sys/kern/uipc_syscalls.c:786
sys_sendmmsg(ffff80002a666aa0,ffff800030d59330,ffff800030d59280) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677
syscall(ffff800030d59330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xeaf83ccb270, count: 248
End of stack trace.
syncing disks...23 21 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  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 9c8ab089-5fb3-144b-a4ba-2e178800b25c
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> machine ddbcpu 0
machine: syntax error
boot> trace
|/-\|/-\|/booting hd0a:trace: -\|/open hd0a:trace: No such file or directory
 failed(2). will try /bsd
boot> machine ddbcpu 1
machine: syntax error
boot> trace