VIP switch causing connections that refuse to die

Hi, I found that keepalived VIP switch cause TCP connections that refuse to die on host where VIP was before it was switched. I filled a bug here -> https://bugs.launchpad.net/kolla-ansible/+bug/1917068 Fixed here -> https://review.opendev.org/c/openstack/kolla-ansible/+/777772 Video presentation of bug here -> https://download.kevko.ultimum.cloud/video_debug.mp4 I was just curious and wanted to ask here in openstack-discuss : If someone already seen this issue in past ? If yes, do you tweak net.ipv4.tcp_retries2 kernel parameter ? If no, how did you solve this ? Thank you, Michal Arbet ( kevko )