Just wanted to add that I've checked my logs and no packages that seem related were updated. Also, I've become aware that the dnsmasq-base package installed by default doesn't use a config file, so I've reached the end of what I can troubleshoot. Hopefully the details I've provided will be useful.
-- NetworkManager Internet Connection Sharing fails to route DNS https://bugs.launchpad.net/bugs/389006 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