panic: trap type 6, code=10, pc=3c729
Starting stack trace...
panic(ffffffff8284d664) at panic+0x16f sys/kern/subr_prf.c:229
kerntrap(ffff800032509760) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0x2859a
rt_clone(ffff800032509a38,fffffd8072b81870,0) at rt_clone+0x7d sys/net/route.c:383
rtalloc_mpath(fffffd8072b81870,fffffd806d315d98,0) at rtalloc_mpath+0xbc rt_match sys/net/route.c:360 [inline]
rtalloc_mpath(fffffd8072b81870,fffffd806d315d98,0) at rtalloc_mpath+0xbc sys/net/route.c:476
ip_output(fffffd806d315d00,fffffd8065ddcd00,fffffd8072b81858,0,0,fffffd8072b81920,fc0e070a6132856f) at ip_output+0x40f sys/netinet/ip_output.c:189
tcp_output(ffff800000de8ca0) at tcp_output+0x27be sys/netinet/tcp_output.c:1090
tcp_connect(ffff800010fdcfa0,fffffd80651d8e00) at tcp_connect+0x37a sys/netinet/tcp_usrreq.c:678
sys_connect(ffff80002bcfaac8,ffff800032509f50,ffff800032509ea0) at sys_connect+0x239 sys/kern/uipc_syscalls.c:422
syscall(ffff800032509f50) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800032509f50) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaf23d494190, 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 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 0x000f27f0: 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