"unable to send audit message" messages are logged during undercloud deployment for aodh_db_sync and neutron_db_sync

Issue

• The following messages are logged in /var/log/messages during undercloud installation:

  Jun 19 20:03:24 director ansible-tripleo_container_manage[23525]: [WARNING] ERROR: Can't run container aodh_db_sync#012stderr: + sudo -E kolla_set_configs#012sudo: unable to send audit message: Operation not permitted
  Jun 19 20:05:33 director ansible-tripleo_container_manage[23525]: [WARNING] ERROR: Can't run container neutron_db_sync#012stderr: + sudo -E kolla_set_configs#012sudo: unable to send audit message: Operation not permitted