panic: trap type 6, code=10, pc=0
Starting stack trace...
panic(ffffffff82fddf78) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff800032617a10) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
0(b,ffff800032617bd8,3,ffff800032617c78,0,b) at 0
rt_clone(ffff800032617ce8,fffffd807b6ae200,0) at rt_clone+0x98 sys/net/route.c:383
route_mpath(fffffd807b6ae1e8,ffff800032617e3c,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline]
route_mpath(fffffd807b6ae1e8,ffff800032617e3c,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline]
route_mpath(fffffd807b6ae1e8,ffff800032617e3c,0,0) at route_mpath+0x170 sys/net/route.c:255
in_pcbselsrc(fffffd80693c85f8,ffff800032617e38,fffffd807b6ae170) at in_pcbselsrc+0x250
rip_output(fffffd80693c8500,ffff800010fd3cc0,ffff800032617e38,1a7) at rip_output+0x2bf sys/netinet/raw_ip.c:310
rip_send(ffff800010fd3cc0,fffffd80693c8500,fffffd80691b3c00,0) at rip_send+0x13d sys/netinet/raw_ip.c:628
sosend(ffff800010fd3cc0,fffffd80691b3c00,ffff800032617f98,0,0,0) at sosend+0xa40
sendit(ffff80002a0b8a60,4,ffff800032618110,0,ffff8000326181d0) at sendit+0x721 sys/kern/uipc_syscalls.c:786
sys_sendmsg(ffff80002a0b8a60,ffff800032618280,ffff8000326181d0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604
syscall(ffff800032618280) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff800032618280) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2d167013340, count: 243
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 69eb9058-0362-23fd-9d6a-f99e4488aea0
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 $lines = 0
set: syntax error
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