This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux major release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Major release. This request is not yet committed for inclusion.
This bugzilla has Keywords: Regression. Since no regressions are allowed between releases, it is also being proposed as a blocker for this release. Please resolve ASAP.
Fixing this bug in iptables is a regression.
The real problem was a misconfiguration in an old lokkit version, which used netfilter IPv4 modules for the IPv6 firewall, which is not a good idea at all. Closing "NOT A BUG"