Comment 8 for bug 1514550

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Matt Riedemann (mriedem) wrote :

The cells RPC API version has to be less than 1.35, see:

https://github.com/openstack/nova/blob/86fe90f7056432416ea3c2335ea8c2ad6e16b79a/nova/cells/rpcapi.py#L117

You'll have to fake this out on a single node devstack to recreate probably.

Try setting this in your nova.conf:

[upgrade_levels]
cells=kilo

Since the kilo rpc api version is 1.34.

You'll have to restart the cells service for that to take effect.