Problems with OpenBSD dhclient

[Darren Pilgrim]

From: Bakul Shah
>
> To avoid interface flapping perhaps some hysteresis needs to
> be introduced in dhclient?  If a link up event occurs within
> N seconds of a link down event, ignore them both!  N may need 
> to be tunable.  Such hysteresis is _not_ needed for 
> administrative up/down -- when I say `ifconfig ath0 down', I 
> want it down *now*!

It would be better to disconnect association events from link events.
If anything, link events should be tied to the radio being turned on or
off.