Hi. Sorry for late reply.

itojun> >> 	it panics near if_vlan.c line 660 (in vlan_ether_purgemulti).
itojun> >> 	still have no time to track it down.
itojun> >Please try this patch.  The first hunk is the important one.
itojun> 	yup, it corrected the behavior for me.  i believe it safe to commit.

	Thanks for the information.
	I will try to test it.

HEO