Comment 3 for bug 1839477

To close the loop somewhat, since fwaas is deprecated in Neutron it has been removed entirely for Victoria onwards in Ubuntu and the charms now also have an option to disable it for earlier releases [1].

[1] https://github.com/openstack/charm-neutron-api/blob/f7d248e6e6dddc24d503c5cd18888ab035fecb2a/config.yaml#L25