docs: Address MattC's code review comments

Author: markgoddard

doc/source/operations/rocky-linux-9.rst

@@ -109,6 +109,8 @@ Elasticsearch/Kibana should be migrated to OpenSearch.
 - If necessary, take a backup of the Elasticsearch data.
 - Ensure ``kolla_enable_elasticsearch`` is unset in ``etc/kayobe/kolla.yml``
 - Set ``kolla_enable_opensearch: true`` in ``etc/kayobe/kolla.yml``
+- ``kayobe overcloud service configuration generate --node-config-dir '/tmp/ignore' --kolla-tags none``
+- ``kayobe overcloud container image pull -kt opensearch``
 - ``kayobe kolla ansible run opensearch-migration``
 - If old indices are detected, they may be removed by running ``kayobe kolla ansible run opensearch-migration -e prune_kibana_indices=true``
 
@@ -200,9 +202,8 @@ Potential issues
    .. code-block:: yaml
 
       mariabackup_image_full: "{{ docker_registry }}/stackhpc/rocky-source-mariadb-server:yoga-20230310T170929"
-- When using Octavia load balancers with the OVN provider and OVN DVR FIP is
-  enabled, restarting Neutron causes load balancers with floating IPs to stop
-  processing traffic. See `LP#2042938
+- When using Octavia load balancers, restarting Neutron causes load balancers
+  with floating IPs to stop processing traffic. See `LP#2042938
   <https://bugs.launchpad.net/neutron/+bug/2042938>`__ for details. The issue
   may be worked around after Neutron has been restarted by detaching then
   reattaching the floating IP to the load balancer's virtual IP.