I resolved this by disabling the dnsmasq plugin in /etc/NetworkManager/NetworkManager.conf, as I wanted to keep my own dnsmasq configuration.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1534501 Title: dnsmasq error logs fill up storage drive memory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1534501/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs