This happens when /etc/resolv.conf is immutable. There can be good reasons for making it immutable, for example because your DHCP server gives you a suboptimal name server.
-- Network Manager suddenly started crashing on connect https://bugs.launchpad.net/bugs/558380 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs