>> >>	RTM_ADD will not overwrite an existing (partial) arp entry.
>> >>	My guess is this behaviour was introduced around 1.4 with the
>> >>	new media independent arp subsystem.
>> 	are you saying that you still have the problem with netbsd-current?
>> 	we have some behavior change, which allows us to flush cloned
>> 	routing entries (typically ARP entries) on manipulation of non-cloned
>> 	parents.
>I think the problem is a little different. It's not that we're
>manipulating the partent, it's we want to manipulate the clone.

	there's also a behavior change that affects the manipulation of cloned
	child.  if you have an environment to repeat the symptom, pls try it
	with the latest kernel.

itojun