If using a separate message queue for nova notifications, i.e. nova_cell_notify_transport_url is different from nova_cell_rpc_transport_url, then Kolla Ansible will update the cell's message queue URL to use the notification queue. This is incorrect - it should use the RPC queue.
If using a separate message queue for nova notifications, i.e. nova_cell_ notify_ transport_ url is different from nova_cell_ rpc_transport_ url, then Kolla Ansible will update the cell's message queue URL to use the notification queue. This is incorrect - it should use the RPC queue.