diff --git a/openstackclient/common/clientmanager.py b/openstackclient/common/clientmanager.py
index c430791933..748894a9a5 100644
--- a/openstackclient/common/clientmanager.py
+++ b/openstackclient/common/clientmanager.py
@@ -54,6 +54,8 @@ class ClientManager(object):
                     for o in auth.OPTIONS_LIST]:
             return self._auth_params[name[1:]]
 
+        raise AttributeError(name)
+
     def __init__(
         self,
         cli_options,
diff --git a/openstackclient/identity/client.py b/openstackclient/identity/client.py
index d10d046dee..4127a451e5 100644
--- a/openstackclient/identity/client.py
+++ b/openstackclient/identity/client.py
@@ -46,7 +46,6 @@ def make_client(instance):
         API_VERSIONS)
     LOG.debug('Instantiating identity client: %s', identity_client)
 
-    LOG.debug('Using auth plugin: %s' % instance._auth_plugin)
     client = identity_client(
         session=instance.session,
         region_name=instance._region_name,