Merge "DHCPv4: lease expiration is fatal, renew failures are not" into nyc-dev am: c21f84dddb
am: ae53fb4a43

* commit 'ae53fb4a436bcbb7deea668a26d2ba66bb4c5af3':

Change-Id: Id68aa8f81f11042c7583fad42da2063cbb17efe1