nicer interface name
nicer interface name

and more likely to be ignored by NetworkManager

Closes #1567.

aaam/weave,tomwilkie/weave,bboreham/weave,dpw/weave,n054/weave,awh/weave,paulbellamy/weave,weaveworks/weave,weaveworks/weave,tomwilkie/weave,aaam/weave,tomwilkie/weave,tomwilkie/weave,awh/weave,rade/weave,paulbellamy/weave,aaam/weave,paulbellamy/weave,n054/weave,rade/weave,bboreham/weave,dpw/weave,bboreham/weave,squaremo/weave,rade/weave,aaam/weave,awh/weave,awh/weave,rade/weave,squaremo/weave,dpw/weave,bboreham/weave,paulbellamy/weave,weaveworks/weave,dpw/weave,bboreham/weave,aaam/weave,n054/weave,rade/weave,awh/weave,weaveworks/weave,n054/weave,tomwilkie/weave,n054/weave,squaremo/weave,squaremo/weave,squaremo/weave,dpw/weave