tree aa211bb4e7c17dcd440a475f826fdca3777fa876
parent 9dc5f098314ae2ed85b04b755b7bdb48f2a061cb
author Bob Lantz <rlantz@cs.stanford.edu> 1466204638 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1466206491 +0000

Use ip route to determine default intf for port forwarding

We were using eth0 by default before, but this doesn't work if
your default interface isn't eth0.

Fixes port forwarding on Ubuntu 16.04.

Change-Id: I55baed7fd8952a9f6cab364e20e31a0632ddda6d