panic: trap type 6, code=10, pc=e9509
Starting stack trace...
panic(ffffffff82fddc7d) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff8000371aef40) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd537a
rt_clone(ffff8000371af218,ffff80000133d988,16) at rt_clone+0x98 sys/net/route.c:383
rtalloc(ffff80000133d988,1,16) at rtalloc+0xb6 rt_match sys/net/route.c:360 [inline]
rtalloc(ffff80000133d988,1,16) at rtalloc+0xb6 sys/net/route.c:489
ifa_ifwithroute(fe101c33,ffff80000133d960,ffff80000133d988,16) at ifa_ifwithroute+0x189 sys/net/rtsock.c:1259
rtm_getifa(ffff8000371af3d0,16) at rtm_getifa+0x2d1
rtm_output(ffff80000133d900,ffff8000371af478,ffff8000371af3d0,0,16) at rtm_output+0x784 sys/net/rtsock.c:969
route_output(fffffd8055361b00,ffff80000121ed18) at route_output+0x9a1 sys/net/rtsock.c:878
route_send(ffff80000121ed18,fffffd8055361b00,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(ffff80000121ed18,0,ffff8000371af628,0,0,0) at sosend+0xa40
sendit(ffff800030d894b8,3,ffff8000371af720,0,ffff8000371af7d0) at sendit+0x721 sys/kern/uipc_syscalls.c:786
sys_sendto(ffff800030d894b8,ffff8000371af880,ffff8000371af7d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:564
syscall(ffff8000371af880) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000371af880) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x58133d1f750, count: 241
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 8f385a59-d101-44dd-592e-0bd3fdfaf750
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