panic: ifa_update_broadaddr does not support dynamic length
Starting stack trace...
panic(ffffffff8285b3fa) at panic+0x16f sys/kern/subr_prf.c:229
ifa_update_broadaddr(ffff800000dab800,ffff800000e24700,ffff80002a297280) at ifa_update_broadaddr+0x6a sys/net/if.c:3315
in_ioctl(80206913,ffff80002a297270,ffff800000dab800,1) at in_ioctl+0x5cf sys/netinet/in.c:313
ifioctl(ffff800010fdecf8,80206913,ffff80002a297270,ffff80002dce6f90) at ifioctl+0x106c pru_control sys/sys/protosw.h:378 [inline]
ifioctl(ffff800010fdecf8,80206913,ffff80002a297270,ffff80002dce6f90) at ifioctl+0x106c sys/net/if.c:2449
sys_ioctl(ffff80002dce6f90,ffff80002a297450,ffff80002a2973a0) at sys_ioctl+0x4a9
syscall(ffff80002a297450) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002a297450) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x29838a9cb20, count: 250
End of stack trace.
syncing disks...21 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  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 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 0x000f27f0: 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 3.65
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