Comment 3 for bug 1567657

This is a more complete view of the error in #2

INFO:kolla.cmd.build:neutron-base:Successfully built d763f5bfa103
INFO:kolla.cmd.build:neutron-base:Built
INFO:kolla.cmd.build:magnum-base:Building
INFO:kolla.cmd.build:neutron-base:Pushed successfully
ERROR:kolla.cmd.build:Make sure Docker is running and that you have the correct privileges to run Docker (root)
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/kolla/cmd/build.py", line 154, in run
    self.builder(image)
  File "/usr/local/lib/python2.7/dist-packages/kolla/cmd/build.py", line 267, in builder
    self.process_source(image, image['source'])
  File "/usr/local/lib/python2.7/dist-packages/kolla/cmd/build.py", line 173, in process_source
    r = requests.get(source['source'], timeout=self.conf.timeout)
  File "/usr/local/lib/python2.7/dist-packages/requests/api.py", line 67, in get
    return request('get', url, params=params, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/api.py", line 53, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 468, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 608, in send
    r.content
  File "/usr/local/lib/python2.7/dist-packages/requests/models.py", line 737, in content
    self._content = bytes().join(self.iter_content(CONTENT_CHUNK_SIZE)) or bytes()
  File "/usr/local/lib/python2.7/dist-packages/requests/models.py", line 667, in generate
    raise ConnectionError(e)
ConnectionError: HTTPConnectionPool(host='tarballs.openstack.org', port=80): Read timed out.