panic: trap type 6, code=10, pc=e9509
Starting stack trace...
panic(ffffffff82fd7b5d) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff800034389c70) 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(ffff800034389f48,ffff800034389fc0,0) at rt_clone+0x98 sys/net/route.c:383
rtalloc(ffff800034389fc0,1,0) at rtalloc+0xb6 rt_match sys/net/route.c:360 [inline]
rtalloc(ffff800034389fc0,1,0) at rtalloc+0xb6 sys/net/route.c:489
icmp_reflect(fffffd806b892d00,0,0) at icmp_reflect+0x278
icmp_error(fffffd80597f6300,3,3,0,0) at icmp_error+0x73
pf_test_rule(ffff80003438a258,ffff80003438a360,ffff80003438a368,ffff80003438a348,ffff80003438a328,2) at pf_test_rule+0xc6b
pf_test(2,1,ffff80000118e800,ffff80003438a4d8) at pf_test+0x23a5 sys/net/pf.c:7684
ip_input_if(ffff80003438a4d8,ffff80003438a4e4,0,0,ffff80000118e800) at ip_input_if+0x17e sys/netinet/ip_input.c:467
ipv4_input(ffff80000118e800,fffffd8050c69000) at ipv4_input+0x50 sys/netinet/ip_input.c:337
ether_input(ffff80000118e800,fffffd8050c69000) at ether_input+0x6e4
tun_dev_write(5d03,ffff80003438a858,0,2) at tun_dev_write+0x301 sys/net/if_tun.c:914
spec_write(ffff80003438a6b0) at spec_write+0x120 sys/kern/spec_vnops.c:302
VOP_WRITE(fffffd8062003a60,ffff80003438a858,11,fffffd807f7d3680) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
vn_write(fffffd805104f0b8,ffff80003438a858,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408
dofilewritev(ffff8000349f7708,c8,ffff80003438a858,0,ffff80003438a910) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff8000349f7708,ffff80003438a9c0,ffff80003438a910) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003438a9c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80003438a9c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe093b734dc0, 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 479bd2e4-6073-186a-8c25-a69e4074584d
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