Problems with OpenBSD dhclient

[Randy Bush]

>> More serious is that I can't roam. When I move between APs, dhclient
>> exits and I need to manually re-start it. I lose my SSH sessions. Ugh!
> 
> This should not be happening; dhclient should get a disassociate event, 
> drop the lease, then get an associate when you join the new ap and 
> immediately grab a new lease.

aiii!  this was merely a layer-2 re-association, no change at layer-3.

randy