Strip out <network> subtrees corresponding to other aggregates.
Strip out <network> subtrees corresponding to other aggregates.

The PlanetLab slice manager sends the entire RSpec to each aggregate.
In order to cleanly validate the RSpec, first strip out portions corresponding
to other aggregates.
onelab-eu/sfa,onelab-eu/sfa,onelab-eu/sfa,yippeecw/sfa,yippeecw/sfa,yippeecw/sfa