I ran into this on upgrade today.
>From reading above, I think the root of the problem is that I am using a >system upgraded from Xenial to Bionic, so I am still using ifupdown and >resolvconf (and not netplan) ifupdown doesn't update systemd-resoved, resolvconf/ifupdown updated /etc/resolv.conf to add my IP address, but /run/systemd/resolve/resolv.conf has no servers listed lrwxrwxrwx 1 root root 29 Oct 12 2017 /etc/resolv.conf -> ../run/resolvconf/resolv.conf -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1820278 Title: Incorrect DNS (resolv.conf) setup inside docker images To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1820278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs