Here is upstream bug for this issue: https://bugs.launchpad.net/puppet-nova/+bug/1501767
For 7.0 it is working because of using nova-manage in nova_network provider - it writes to db directly without nova-network service.
Here is upstream bug for this issue: https:/ /bugs.launchpad .net/puppet- nova/+bug/ 1501767
For 7.0 it is working because of using nova-manage in nova_network provider - it writes to db directly without nova-network service.