Oops, get rid of debug print.

mininet/node.py

@@ -446,7 +446,6 @@ class Switch( Node ):
         ports = self.intfs.keys()
         if ports:
             intf = self.intfs[ max( ports ) ]
-        print "RETURNING", intf
         return intf
 
     def sendCmd( self, *cmd, **kwargs ):