am 871d96b4: am 13c5dd5c: am eb0bbd45: Merge changes Id6a0b0de,I5f03b8b2,I62464b92 into mnc-dr-dev

* commit '871d96b44c9665238d1df87ed89656f742abe2fa':
  Support DHCP replies with multiple default gateways.
  Accept DHCP responses from non-67 server source ports
  Improve logging of DHCP parse errors using exceptions.