According to Jonathan Stone <jonathan@DSG.Stanford.EDU> :
> 
> Trying to make the kernel automagically "get it right" , using only
> bus-specific locators, when you can pull out, change, and reorder
> devices "on the fly", seems like a lose to me.
> 
> The same problem comes up with PCMCIA, too...

.. and with pppd, unless I missed something.  Somehow the connection on 
ppp1 moved to ppp0 in the absence of a valid connection on the first 
port.  Plays havoc with ipnat :-(

++L