[root@b7s32 ~]# neutron --debug --insecure net-create VN1
DEBUG: stevedore.extension found extension EntryPoint.parse('v2token = keystoneauth1.loading._plugins.identity.v2:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('admin_token = keystoneauth1.loading._plugins.admin_token:AdminToken')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oidcauthcode = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectAuthorizationCode')
DEBUG: stevedore.extension found extension EntryPoint.parse('v2password = keystoneauth1.loading._plugins.identity.v2:Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3password = keystoneauth1.loading._plugins.identity.v3:Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oidcpassword = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectPassword')
DEBUG: stevedore.extension found extension EntryPoint.parse('token = keystoneauth1.loading._plugins.identity.generic:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3token = keystoneauth1.loading._plugins.identity.v3:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('password = keystoneauth1.loading._plugins.identity.generic:Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('table = cliff.formatters.table:TableFormatter')
DEBUG: stevedore.extension found extension EntryPoint.parse('json = cliff.formatters.json_format:JSONFormatter')
DEBUG: stevedore.extension found extension EntryPoint.parse('shell = cliff.formatters.shell:ShellFormatter')
DEBUG: stevedore.extension found extension EntryPoint.parse('value = cliff.formatters.value:ValueFormatter')
DEBUG: stevedore.extension found extension EntryPoint.parse('yaml = cliff.formatters.yaml_format:YAMLFormatter')
DEBUG: neutronclient.neutron.v2_0.network.CreateNetwork run(Namespace(admin_state=True, availability_zone_hints=None, columns=[], dns_domain=None, formatter='table', max_width=0, name=u'VN1', noindent=False, prefix='', provider:network_type=None, provider:physical_network=None, provider:segmentation_id=None, qos_policy=None, request_format='json', tenant_id=None, variables=[]))
DEBUG: keystoneauth.session REQ: curl -g -i --insecure -X GET https://172.16.80.1:5000/v2.0/ -H "Accept: application/json" -H "User-Agent: keystoneauth1/2.4.1 python-requests/2.9.1 CPython/2.7.5"
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.py:797: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.org/en/latest/security.html
  InsecureRequestWarning)
DEBUG: keystoneauth.session RESP: [200] Content-Length: 338 Vary: X-Auth-Token Connection: keep-alive Date: Fri, 03 Mar 2017 05:36:39 GMT Content-Type: application/json X-Openstack-Request-Id: req-b0ce99a9-5071-438c-9c29-68d5d362d04e 
RESP BODY: {"version": {"status": "stable", "updated": "2014-04-17T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v2.0+json"}], "id": "v2.0", "links": [{"href": "https://172.16.80.1:5000/v2.0/", "rel": "self"}, {"href": "http://docs.openstack.org/", "type": "text/html", "rel": "describedby"}]}}

DEBUG: keystoneauth.identity.v2 Making authentication request to https://172.16.80.1:5000/v2.0/tokens
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.py:797: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.org/en/latest/security.html
  InsecureRequestWarning)
DEBUG: keystoneauth.session REQ: curl -g -i --insecure -X POST https://172.16.80.50:9696/v2.0/networks.json -H "User-Agent: python-neutronclient" -H "Content-Type: application/json" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}b0edc673ec2b4992826e9cc7643d8c3e008fe7dc" -d '{"network": {"name": "VN1", "admin_state_up": true}}'
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.py:797: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.org/en/latest/security.html
  InsecureRequestWarning)


DEBUG: keystoneauth.session RESP: [504] Connection: close Content-Type: text/html Cache-Control: no-cache 
RESP BODY: <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>


DEBUG: neutronclient.v2_0.client Error message: <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>

ERROR: neutronclient.shell <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/neutronclient/shell.py", line 900, in run_subcommand
    return run_command(cmd, cmd_parser, sub_argv)
  File "/usr/lib/python2.7/site-packages/neutronclient/shell.py", line 117, in run_command
    return cmd.run(known_args)
  File "/usr/lib/python2.7/site-packages/neutronclient/neutron/v2_0/__init__.py", line 403, in run
    return super(NeutronCommand, self).run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/display.py", line 79, in run
    column_names, data = self.take_action(parsed_args)
  File "/usr/lib/python2.7/site-packages/neutronclient/neutron/v2_0/__init__.py", line 486, in take_action
    data = obj_creator(body)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 97, in with_params
    ret = self.function(instance, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 689, in create_network
    return self.post(self.networks_path, body=body)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 363, in post
    headers=headers, params=params)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 298, in do_request
    self._handle_fault_response(status_code, replybody, resp)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 273, in _handle_fault_response
    exception_handler_v20(status_code, error_body)
  File "/usr/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 84, in exception_handler_v20
    request_ids=request_ids)
NeutronClientException: <html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>

[root@b7s32 ~]#