Comment 1 for bug 1906769

 ERROR ovsdbapp.backend.ovs_idl.transaction [req-555039b5-dadb-4bea-8d1a-b0fd3eaa52a8 16fa5ca836144979a4de2594c5300be2 ef7ad5f37f24492ea97784b08b808e39 - default default] Traceback (most recent call last):
2020-12-03 10:52:01.376 ERROR /var/log/containers/neutron/server.log.1: 28 ERROR ovsdbapp.backend.ovs_idl.transaction [req-3f929960-b6ec-4754-b935-6d62a985008f e3b9957d9ca948dfafa162f2142fbb88 62c62e2216e647a1a5a50025e799a47c - default default] Traceback (most recent call last):
2020-12-03 10:53:13.835 ERROR /var/log/containers/neutron/server.log.1: 28 ERROR ovsdbapp.backend.ovs_idl.transaction [req-cfd5efe2-89c1-4f82-9096-9dbf26dbff87 - - - - -] Traceback (most recent call last):
2020-12-03 10:53:25.405 ERROR /var/log/containers/neutron/server.log.1: 28 ERROR ovsdbapp.backend.ovs_idl.transaction [req-783daeb5-d1d2-409f-872a-c9c0f748498d 0ee34f5cb94c48d58d786cc3ec91d96d 1cd910b24e9f4de1978a9a3c24eb12f3 - default default] Traceback (most recent call last):
2020-12-03 10:54:33.850 ERROR /var/log/containers/neutron/server.log.1: 28 ERROR ovsdbapp.backend.ovs_idl.transaction [req-7176d257-c806-462f-bb22-e7a576407319 0ee34f5cb94c48d58d786cc3ec91d96d

3}}, resource_type=ports, if_exists=True) do_commit /usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py:88
2020-12-03 11:41:00.240 28 ERROR ovsdbapp.backend.ovs_idl.transaction [req-c66218df-9497-4110-8941-658aa2233755 a3f40a76f1d946d5bc7d7ae25c33053a 147435c3276343f6ad8256efe6d6e043 - default default] Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py", line 129, in run
    txn.results.put(txn.do_commit())
  File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py", line 90, in do_commit
    command.run_idl(txn)
  File "/usr/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/commands.py", line 763, in run_idl
    resource_id=self.name, resource_type=self.resource_type)
neutron.common.ovn.exceptions.RevisionConflict: OVN revision number for bb01e64c-10b6-45ff-a2fd-9d993b972b37 (type: ports) is equal or higher than the given resource. Skipping update

https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-standalone-full-tempest-scenario-master/fe8f969/logs/undercloud/var/log/extra/errors.txt.txt.gz

https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-standalone-full-tempest-scenario-master/fe8f969/logs/undercloud/var/log/containers/neutron/

Not sure I see anything clear here.