Thanks Jeff for filing this bug report. To work on this it would greatly help to be able to pinpoint which Focal update introduced the problem. One way to do this is to download one version after the other, install the packages and test if the bug is present. Something along these lines:
apt install --no-install-recommends ubuntu-dev-tools dpkg -l | grep libvirt # check which libvirt pkgs are installed pull-lp-debs libvirt 6.0.0-0ubuntu8.9 # for example dpkg -i <list of ubuntu8.9 .deb files for packages you have installed> Then: verify if bug is present. If not present >= proceed with version ubuntu8.10. If present, rollback the the *previous* version and test again to be really sure the buggy version has been found. (Note: this shouldn't be harmful but it obviously not the recommended way to manage packages, do this on a test system.) Do you think you can perform this testing and let us know your findings? While waiting for more info I'm marking this as Incomplete for now. Thanks! ** Changed in: libvirt (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1971619 Title: forward mode open is adding libvirt iptables rules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1971619/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs