panic: trap type 6, code=10, pc=0
Starting stack trace...
panic(ffffffff82849d76) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff80002f1f3260) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
0(b,ffff80002f1f3430,83,ffff80002f1f34d8,0,b) at 0
rt_match(fffffd806edcfef8,0,1,0) at rt_match+0xcd rt_clone sys/net/route.c:271 [inline]
rt_match(fffffd806edcfef8,0,1,0) at rt_match+0xcd sys/net/route.c:246
in_pcbselsrc(ffff80002f1f35c0,fffffd806b253420,fffffd806edcfe70) at in_pcbselsrc+0x261 sys/netinet/in_pcb.c:1029
in_pcbconnect(fffffd806edcfe70,fffffd806b253400) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:526
tcp_connect(fffffd806c5da9f8,fffffd806b253400) at tcp_connect+0x25e sys/netinet/tcp_usrreq.c:646
sys_connect(ffff80002a6a37e8,ffff80002f1f3730,ffff80002f1f3770) at sys_connect+0x206 sys/kern/uipc_syscalls.c:422
syscall(ffff80002f1f3830) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5d6b80ba090, count: 246
End of stack trace.

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 1f64d870-06f2-d8bf-7327-adc6877a2997
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 0x000f28a0: 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> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
boot> show all locks
boot> show malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace