The bug FDP-858 was verified on ovn24.03-24.03.4-9.el9fdp.
However, we ran some tests with ovn24.03-24.03.4-11.el9fdp and we reproduced the same issue on Openstack 17.1.
For further details, please go to:
https://issues.redhat.com/browse/FDP-858?focusedId=26271808&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-26271808
and
https://bugzilla.redhat.com/show_bug.cgi?id=2185897#c70
Subport flapping was seen during live migration of VMs with trunk ports in OSP 17.1. The subports are flapping at a frequency of 4 times per second between hosts.