Please consider updating iptables package of Fedora 33 (currently v1.3.5) to v1.3.6 or later, so as to include commit "iptables: accept lock file name at runtime": https://git.netfilter.org/iptables/commit/?id=5105e844c2ff6a3e320bf8cdadc5094d4eaef2b7 If updating the entire package is problematic, just cherry-picking the commit mentioned above would be fine. The commit is needed for running Rootless Docker on SELinux-enabled hosts: https://github.com/moby/moby/issues/41230#issuecomment-783076135
FEDORA-2021-4d9a2dad72 has been submitted as an update to Fedora 33. https://bodhi.fedoraproject.org/updates/FEDORA-2021-4d9a2dad72
FEDORA-2021-4d9a2dad72 has been pushed to the Fedora 33 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2021-4d9a2dad72` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2021-4d9a2dad72 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2021-4d9a2dad72 has been pushed to the Fedora 33 stable repository. If problem still persists, please make note of it in this bug report.