In some email I received from Bill Sommerfeld, sie wrote:
> >   With the changes, can I still insist that I have, e.g. two pppXs via
> > the kernel config file? That would be the path of least surprise for the
> > next release.
> 
> unfortunately, there's no way with the current config to distinguish
> between:
> 
> 	pseudo-device	ppp
> 
> and
> 
> 	pseudo-device	ppp	1
> 
> Suggestions on the best way to fix this would be appreciated from any
> config wizards out there..

Use this instead:

  	clone-device	ppp

Darren