[c-nsp] pre cloning question

[Oliver Boehmer (oboehmer)]

> I was under the impression that pre cloning was no longer much help
> if your virtual-template supported sub interfaces. 

Ack. And even without subinterfaces (i.e. when you apply attributes that
are not compatible with sub-interfaces, like lcp:interface-config) or on
dial platforms, pre-cloning is no longer a big performance winner for
most scenarios in 12.3 code. 

	oli