There are some known problems that may happen during rolling (live) upgrade. Even though feature is considered a tech-preview there's no harm in communicating them in the release notes. This commits adds also a note on the fact that now Cinder services detect lowest RPC version and that it is needed to keep the `services` table up to date. Change-Id: Ic4c9188fb0bbd375d809c7dedd9e07df049ae648 Related-Blueprint: rpc-object-compatibility
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1.2 KiB