Thats the debug message when I start the command "neutron ext-list" (Ubuntu 16.10):

DEBUG: stevedore.extension found extension EntryPoint.parse('token_endpoint = openstackclient.api.auth_plugin:TokenEndpoint')
DEBUG: stevedore.extension found extension EntryPoint.parse('v2token = keystoneauth1.loading._plugins.identity.v2:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oauth1 = keystoneauth1.extras.oauth1._loading:V3OAuth1')
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('v3samlpassword = keystoneauth1.extras._saml2._loading:Saml2Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3password = keystoneauth1.loading._plugins.identity.v3:Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oidcaccesstoken = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectAccessToken')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oidcpassword = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectPassword')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3kerberos = keystoneauth1.extras.kerberos._loading:Kerberos')
DEBUG: stevedore.extension found extension EntryPoint.parse('token = keystoneauth1.loading._plugins.identity.generic:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3oidcclientcredentials = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectClientCredentials')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3tokenlessauth = keystoneauth1.loading._plugins.identity.v3:TokenlessAuth')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3token = keystoneauth1.loading._plugins.identity.v3:Token')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3totp = keystoneauth1.loading._plugins.identity.v3:TOTP')
DEBUG: stevedore.extension found extension EntryPoint.parse('password = keystoneauth1.loading._plugins.identity.generic:Password')
DEBUG: stevedore.extension found extension EntryPoint.parse('v3fedkerb = keystoneauth1.extras.kerberos._loading:MappedKerberos')
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('csv = cliff.formatters.commaseparated:CSVLister')
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.extension.ListExt run(Namespace(columns=[], fields=[], formatter='table', max_width=0, noindent=False, quote_mode='nonnumeric', request_format='json', show_details=False))
DEBUG: keystoneauth.session REQ: curl -g -i -X GET http://controller:35357/v3 -H "Accept: application/json" -H "User-Agent: neutron keystoneauth1/2.12.1 python-requests/2.18.4 CPython/2.7.12"
DEBUG: keystoneauth.session RESP: [200] Date: Fri, 16 Feb 2018 10:57:55 GMT Server: Apache/2.4.18 (Ubuntu) Vary: X-Auth-Token X-Distribution: Ubuntu x-openstack-request-id: req-92f03dea-e72c-4bea-88de-2934fbe909e4 Content-Length: 250 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: application/json
RESP BODY: {"version": {"status": "stable", "updated": "2016-10-06T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v3+json"}], "id": "v3.7", "links": [{"href": "http://controller:35357/v3/", "rel": "self"}]}}

DEBUG: keystoneauth.identity.v3.base Making authentication request to http://controller:35357/v3/auth/tokens
DEBUG: keystoneauth.identity.v3.base {"token": {"is_domain": false, "methods": ["password"], "roles": [{"id": "f8ba6b17551f4d4dbab81fc60121efa8", "name": "admin"}], "expires_at": "2018-02-16T11:57:55.000000Z", "project": {"domain": {"id": "default", "name": "Default"}, "id": "c89f6b032dc94cc6acda9af565416026", "name": "admin"}, "catalog": [{"endpoints": [{"url": "http://controller:8774/v2.1/c89f6b032dc94cc6acda9af565416026", "interface": "public", "region": "RegionOne", "region_id ...