> 	FreeBSD seems to have kernel code to remove any cloned route, when
> 	clone parent (default route in this case) gets removed.  This will
> 	use an extra bit or two in rt_flags.  So, every time the default
> 	router is changed, cloned route will be removed.
> 	I'm not sure if this is the way to go or not.

I think this would also help in the case of arp entries lingering
after an ifaddr (and its interface route) was deleted.  sounds like
the way to go to me.  It's one of the bugs I've been meaning to look
into for a while...

						- Bill