I believe this bug was caused by the eventlet 0.9.17 regression of zmq.socket.close() no longer accepting the linger argument. This has had a fix commited per https://bugs.launchpad.net/oslo/+bug/1099185
Additionally, the tests now increment the port number as not to fall into a race condition per https://bugs.launchpad.net/oslo/+bug/1096223
I believe this bug was caused by the eventlet 0.9.17 regression of zmq.socket.close() no longer accepting the linger argument. This has had a fix commited per https:/ /bugs.launchpad .net/oslo/ +bug/1099185
Additionally, the tests now increment the port number as not to fall into a race condition /bugs.launchpad .net/oslo/ +bug/1096223
per https:/