Description of problem: Multicast ACLs have the wrong name in the external id which causes sync to think the ACL is legacy and needs to be changed to from-lport. This causes multicast to stop working after a restart of the ovnkube-master node.
Verified with 4.11.0-0.nightly-2022-05-18-171831 $ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.11.0-0.nightly-2022-05-18-171831 True False 5h Cluster version is 4.11.0-0.nightly-2022-05-18-171831 Ran automated multicast test case before and after master nodes being rebooted, test case passed before and after.
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 (Important: OpenShift Container Platform 4.11.0 bug fix and security update), 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/RHSA-2022:5069