panic: trap type 8, code=0, pc=ffffffff82440a2f
Starting stack trace...
panic(ffffffff82598901) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff8000263c2510) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:313
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rc4_keysetup(ffff8000261a86f2,ffff8000261a8804,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41
pipex_mppe_init(ffff8000261a86b8,3b08,272d,ffff800000c72a6c,3b08) at pipex_mppe_init+0x212 sys/net/pipex.c:2319
pipex_init_session(ffff8000263c2798,ffff800000c72800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline]
pipex_init_session(ffff8000263c2798,ffff800000c72800) at pipex_init_session+0x5e1 sys/net/pipex.c:385
pppacioctl(4086334,82907003,ffff800000c72800,1,ffff800021232a88) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1316 [inline]
pppacioctl(4086334,82907003,ffff800000c72800,1,ffff800021232a88) at pppacioctl+0x156 sys/net/if_pppx.c:1166
VOP_IOCTL(fffffd806d6d25e8,82907003,ffff800000c72800,1,fffffd807f7d7820,ffff800021232a88) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd8067226ef8,82907003,ffff800000c72800,ffff800021232a88) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff800021232a88,ffff8000263c2ae8,ffff8000263c2b30) at sys_ioctl+0x4a2
syscall(ffff8000263c2bb0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000263c2bb0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x224a3293510, count: 245
End of stack trace.
syncing disks...24 12 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  giving up

dump to dev 4,1 not possible
rpaenboioct:i nkeg.r.ne.
l diagnostic 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 68bf758f-d7e1-83a6-91e2-c70932eb46bc
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 0x000f24c0: 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 3.54
boot> show malloc
boot: illegal argument malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace