panic: trap type 6, code=10, pc=0
Starting stack trace...
panic(ffffffff827a0fb5) at panic+0x16f sys/kern/subr_prf.c:229
kerntrap(ffff80002d6bff70) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
0(b,ffff80002d6c0138,83,ffff80002d6c01d8,0,b) at 0
rt_clone(ffff80002d6c0248,fffffd805beecda0,0) at rt_clone+0x7c sys/net/route.c:271
rtalloc_mpath(fffffd805beecda0,0,0) at rtalloc_mpath+0xbd rt_match sys/net/route.c:248 [inline]
rtalloc_mpath(fffffd805beecda0,0,0) at rtalloc_mpath+0xbd sys/net/route.c:364
in_pcbselsrc(ffff80002d6c0330,fffffd806eef5b20,fffffd805beecd18) at in_pcbselsrc+0x261 sys/netinet/in_pcb.c:1022
in_pcbconnect(fffffd805beecd18,fffffd806eef5b00) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:526
udp_connect(fffffd806f1a81f0,fffffd806eef5b00) at udp_connect+0xa4 sys/netinet/udp_usrreq.c:1162
sys_connect(ffff80002a21bac0,ffff80002d6c0470,ffff80002d6c04c0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff80002d6c0540) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline]
syscall(ffff80002d6c0540) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x392b69cc5c0, 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 2c48b237-609e-0a7d-d6ca-08d70f46a694
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 $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