Description of problem: The startironic.sh template doesn't handle IPv6 provisioning and needs to be updated to correctly handle IPv6 addresses and iptables for v6.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0581