Fix a problem with conglomerated link - when we make a conglomerate, we might be combining links that go in different directions. Keep track of which direction a link points, and reverse the interfaces when we print it out, if it's going the opposit direction than the other links in the conglomerate.
Fix a problem with conglomerated link - when we make a conglomerate,
we might be combining links that go in different directions. Keep
track of which direction a link points, and reverse the interfaces
when we print it out, if it's going the opposit direction than the
other links in the conglomerate.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome