Hello All, We've just updated openstack centos7 fron stein to train. Unfortunately live migrations works but vm lost a lot of pings after migration. We also applied the following patches but the do not solve: https://review.opendev.org/c/openstack/neutron/+/640258/ https://review.opendev.org/c/openstack/neutron/+/753314/ https://review.opendev.org/c/openstack/neutron/+/766277/ https://review.opendev.org/c/openstack/nova/+/742180/12 https://review.opendev.org/c/openstack/nova/+/747454/4 After that we also tried to apply https://review.opendev.org/c/openstack/nova/+/602432 but the issue remains the same. Please, anyone can help us ? Ignazio -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210511/ef7519ee/attachment.html>