>kern/22792 deals with gif(4) failing when the underlying interface
>is temporarily down and the gif driver caches a wrong route.
>Can anyone please have a look at kern/22792 ? While I now understand
>the problem I am uncertain on which way to go.

	KAME code has quickhack fix for this - lookup route every 5 seconds.
	i don't think it clean enough, but as there's no other workaround
	found, i'll bring the fix in near future.

itojun