I also think it is a blocker. I am a non technical user, I have lost one working day for this bug. Dns resolution should work out of the box! I solved following the instruction in this post - not even sure it is the best fix, for now it seems to work.
https://answers.launchpad.net/ubuntu/+question/665374 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1624320 Title: systemd-resolved appends 127.0.0.53 to resolv.conf alongside existing entries To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1624320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs