panic: trap type 6, code=10, pc=e9779
Starting stack trace...
panic(ffffffff82fdb2cd) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80003678f710) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd55ea
rt_clone(ffff80003678f9e8,ffff80003678fa60,0) at rt_clone+0x98 sys/net/route.c:383
rtalloc(ffff80003678fa60,1,0) at rtalloc+0xb6 rt_match sys/net/route.c:360 [inline]
rtalloc(ffff80003678fa60,1,0) at rtalloc+0xb6 sys/net/route.c:489
icmp_reflect(fffffd806e5e4b00,0,0) at icmp_reflect+0x278
icmp_error(fffffd806c9ff300,3,3,0,0) at icmp_error+0x73
pf_test_rule(ffff80003678fcf8,ffff80003678fe00,ffff80003678fe08,ffff80003678fde8,ffff80003678fdc8,ffff80003678fe1e) at pf_test_rule+0xc6b
pf_test(2,1,ffff80000158b800,ffff80003678ff78) at pf_test+0x2665 sys/net/pf.c:7800
ip_input_if(ffff80003678ff78,ffff80003678ff84,0,0,ffff80000158b800) at ip_input_if+0x17e sys/netinet/ip_input.c:467
ipv4_input(ffff80000158b800,fffffd806cd48400) at ipv4_input+0x50 sys/netinet/ip_input.c:337
ether_input(ffff80000158b800,fffffd806cd48400) at ether_input+0x6e4
tun_dev_write(5d00,ffff8000367902f8,0,2) at tun_dev_write+0x301 sys/net/if_tun.c:914
spec_write(ffff800036790150) at spec_write+0x120 sys/kern/spec_vnops.c:302
VOP_WRITE(fffffd8073f118a8,ffff8000367902f8,11,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
vn_write(fffffd806c4d27d8,ffff8000367902f8,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408
dofilewritev(ffff800029fd91c0,c8,ffff8000367902f8,0,ffff8000367903b0) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff800029fd91c0,ffff800036790460,ffff8000367903b0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff800036790460) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff800036790460) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x9817a231d10, count: 236
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 f8e08a03-81bc-3227-53c0-939594373760
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