Merge pull request #1379 from stackhpc/rabbitmq-upgrade-docs-ovs

Add warning for OVS sites with SLURP rabbitmq upgrade

Author: technowhizz

doc/source/operations/upgrading-openstack.rst

@@ -221,10 +221,14 @@ to 3.12, then to 3.13 on Antelope before the Caracal upgrade. This upgrade
 should not cause an API outage (though it should still be considered "at
 risk").
 
-Some errors have been observed in testing when the upgrades are perfomed
+Some errors have been observed in testing when the upgrades are performed
 back-to-back. A 200s delay eliminates this issue. On particularly large or slow
 deployments, consider increasing this timeout.
 
+Additionally errors have been observed at sites with OVS networking where after
+the upgrade, tenant networking is broken and requires a reset of RabbitMQ. This
+can be done by running the rabbitmq-reset playbook.
+
 .. code-block:: bash
 
    kayobe overcloud service configuration generate --node-config-dir /tmp/ignore -kt none