Comment 22 for bug 1951296

Verified focal-proposed using [Test Case] and output:

# neutron-ovn-db-sync-util --config-file /etc/neutron/neutron.conf.no_keystone_authtoken --config-file /etc/neutron/plugins/ml2/ml2_conf.ini --ovn-neutron_sync_mode repair| grep ACL
/usr/lib/python3/dist-packages/pymysql/cursors.py:170: Warning: (3719, "'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.")
  result = self._query(query)
2023-04-12 14:05:18.810 469229 DEBUG neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.ovn_db_sync [req-1dbe475d-12e1-4fc2-8893-1e8b2525bbcc - - - - -] ACL-SYNC: started @ 2023-04-12 14:05:18.810604 sync_acls /usr/lib/python3/dist-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_db_sync.py:241
2023-04-12 14:05:18.849 469229 DEBUG neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.ovn_db_sync [req-1dbe475d-12e1-4fc2-8893-1e8b2525bbcc - - - - -] ACL-SYNC: finished @ 2023-04-12 14:05:18.849802 sync_acls /usr/lib/python3/dist-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_db_sync.py:301
# apt-cache policy neutron-common
neutron-common:
  Installed: 2:16.4.2-0ubuntu6.1
  Candidate: 2:16.4.2-0ubuntu6.1
  Version table:
 *** 2:16.4.2-0ubuntu6.1 500
        500 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     2:16.4.2-0ubuntu6 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
     2:16.0.0~b3~git2020041516.5f42488a9a-0ubuntu2 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu focal/main amd64 Packages