panic: pool_p_free: sockpl free list modified: page 0xfffffd8063b32000; item addr 0xfffffd8063b32769; offset 0x0=0x6292dbd86834a17c
Starting stack trace...
panic(ffffffff827f63e7) at panic+0x159 sys/kern/subr_prf.c:229
pool_p_free(ffffffff82c47de8,fffffd8063b32f90) at pool_p_free+0x1d3
pool_gc_pages(0) at pool_gc_pages+0x215 sys/kern/subr_pool.c:1583
taskq_thread(ffffffff82bb73c0) at taskq_thread+0x9b sys/kern/kern_task.c:449
end trace frame: 0x0, count: 253
End of stack trace.
syncing disks...32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32  giving up

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 61decb24-8220-a301-2242-f9d20fa4bd51
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 0x000f2850: 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 3.56
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