iptables output fixes
These are preventing us from adopting Fedora 38 as a CI target in libvirt (I disabled the CI for now) as iptables have yet again changed the human readable output, but the actual problem was that not all files adopted the iptables -S <chain>
syntax which should be stable.
libvirt pipeline including these fixes and Fedora-38: https://gitlab.com/eskultety/libvirt/-/pipelines/858474139