fix rpc_backend_cnt - step 3?

Change-Id: I45a085ae4fd87119b84927c9d10dffa897d3e054
Merge branch 'local-vars-accounts' into dt-test
Merge branch 'local-vars-cinder' into dt-test
Merge branch 'local-vars-horizon' into dt-test
Merge branch 'local-vars-keystone' into dt-test
Merge branch 'local-vars-misc' into dt-test
Merge branch 'local-vars-swift' into dt-test
Merge branch 'cinder-backend-solidfire' into dt-test
Merge branch 'cinder-backend-netapp' into dt-test
Merge branch 'conf-tempest' into dt-test
Merge branch 'test-service-functions' into dt-test
Merge branch 'exercise-refresh' into dt-test