am 13c5dd5c: am eb0bbd45: Merge changes Id6a0b0de,I5f03b8b2,I62464b92 into mnc-dr-dev

* commit '13c5dd5c19c5bcc60910b4e37f4e9e171adf099b':
  Support DHCP replies with multiple default gateways.
  Accept DHCP responses from non-67 server source ports
  Improve logging of DHCP parse errors using exceptions.