panic: ifa_update_broadaddr does not support dynamic length
Starting stack trace...
panic(ffffffff828579a2) at panic+0x16f sys/kern/subr_prf.c:229
ifa_update_broadaddr(ffff800000e7d800,ffff800000e85a00,ffff80003033aea0) at ifa_update_broadaddr+0x6a sys/net/if.c:3315
in_ioctl(80206913,ffff80003033ae90,ffff800000e7d800,1) at in_ioctl+0x5cf sys/netinet/in.c:313
ifioctl(ffff800010fdf9f0,80206913,ffff80003033ae90,ffff80002a202cf0) at ifioctl+0x106c pru_control sys/sys/protosw.h:378 [inline]
ifioctl(ffff800010fdf9f0,80206913,ffff80003033ae90,ffff80002a202cf0) at ifioctl+0x106c sys/net/if.c:2449
sys_ioctl(ffff80002a202cf0,ffff80003033b070,ffff80003033afc0) at sys_ioctl+0x4a9
syscall(ffff80003033b070) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80003033b070) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5110ba1bee0, count: 250
End of stack trace.
syncing disks...23  done

dump to dev 4,1 not possible