zeromq bind to random port

gistfile1.py

>>> from gevent_zeromq import zmq
>>> context = zmq.Context()
>>> internal_socket = context.socket(zmq.PULL)
>>> internal_socket.bind_to_random_port("tcp://*")
59994
>>> internal_socket.bind_to_random_port("tcp://localhost")
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/zmq/core/pysocket.py", line 148, in bind_to_random_port
    raise ZMQBindError("Could not bind socket to random port.")
ZMQBindError: Could not bind socket to random port.
>>> internal_socket.bind_to_random_port("tcp://127.1.1.0")
59965