panic: trap type 6, code=10, pc=0
Starting stack trace...
panic(ffffffff82fb19c0) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003747ef50) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
0(b,ffff80003747f118,3,ffff80003747f1b8,0,b) at 0
rt_match(fffffd806c5f8db8,0,1,0) at rt_match+0xf0 rt_clone sys/net/route.c:383 [inline]
rt_match(fffffd806c5f8db8,0,1,0) at rt_match+0xf0 sys/net/route.c:358
route_mpath(fffffd806c5f8da0,fffffd8065412224,0,0) at route_mpath+0xb8 sys/net/route.c:255
in_pcbselsrc(ffff80003747f308,fffffd8065412220,fffffd806c5f8d28) at in_pcbselsrc+0x250
in_pcbconnect(fffffd806c5f8d28,fffffd8065412200) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522
udp_connect(fffffd8060f877e8,fffffd8065412200) at udp_connect+0xe3 sys/netinet/udp_usrreq.c:1170
sys_connect(ffff80002a4f42d0,ffff80003747f500,ffff80003747f450) at sys_connect+0x344 sys/kern/uipc_syscalls.c:422
syscall(ffff80003747f500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf29ae999860, count: 245
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 016acda6-80d9-6675-f1e2-930bbf0c87d3
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 0x000f27c0: 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 3.67
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