Comment 0 for bug 1562878

Environment 3 controllers, 46 computes, liberty. L3 HA During execution NeutronNetworks.create_and_delete_routers several times test failed with "Unable to complete operation on subnet <id>. One or more ports have an IP allocation from this subnet. " trace in neutron-server logs http://paste.openstack.org/show/491557/
Rally report attached.