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upgrade OpenStack to Queens from Ocata

Hi there

I have runned OpenStack Ocata on Ubuntu 17.09. Now I have upgraded my operating systems from Ubuntu 17.09 to Ubuntu 18.04. That means also an upgrade for OpenStack to Queens from Ocata.

I think the databases are upgraded at all. but it seems the are some changed API Enpoints. Currently I got in stuck because nova is not running properly.

UnsupportedVersion: Endpoint does not support RPC version 5.0. Attempted method: build_and_run_instance

Is they a manual ore something helpful available they describes the reqired tasks?