
When rabbit_stream_fanout is set to true, rabbit_qos_prefetch_count should be set to a positive value. This also fixes defenition of transient_quorum_queue as if rabbit_stream_fanout is enabled - transient_quorum_queue should be also enabled. [1] [1] https://github.com/openstack/oslo.messaging/blob/master/oslo_messaging/_drivers/impl_rabbit.py#L726-L736 Change-Id: I8ea72890948ef1c4516c6272c3b19e81693e611a