This looks likely to be the result of https://github.com/moby/moby/pull/37485
On the face of it, it looks like your VPN software is stomping over the systemd-resolved config. I admin to finding DNS config fairly confusing but it seems unlikely that this is going to lead to happiness. How are you configuring your VPN? -- 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