Fix indentation issue.  Modifiy comment about default interface name.
Fix indentation issue.  Modifiy comment about default interface name.

bing6/pipework,jpetazzo/pipework,pierrecdn/pipework,mirzawaqasahmed/pipework,SivagnanamCiena/pipework,ONode/pipework,midonet/pipework,wrenth04/pipework,Rakurai/pipework,Altiscale/pipework,helloIAmPau/pipework,haggaie/pipework,PeerXu/pipework,mej/pipework,indykish/pipework,mrvicadai/pipework,YujiOshima/pipework,sharry007/pipework,JamesGuthrie/pipework,spheresh/pipework,hayderimran7/pipework,OnePaaS/pipework,ksmaheshkumar/pipework,snowygoose/pipework,awanke/pipework,deitch/pipework,palfrey/pipework,hustcat/pipework,abn/pipework,osrg/pipework,zhouqingyu/pipework