Merge "Don\'t crash if a DHCP server doesn\'t send the server ID option." into mnc-dr-dev am: a2cc04736d am: e4aacaeec9 am: c52503acf0
am: bce5116b8d

* commit 'bce5116b8d10c91436445cd0a0830bb51702bfd4':
  Don't crash if a DHCP server doesn't send the server ID option.