diff --git a/novaclient/__init__.py b/novaclient/__init__.py
index f34afe6b4..f407d9e34 100644
--- a/novaclient/__init__.py
+++ b/novaclient/__init__.py
@@ -25,4 +25,4 @@ API_MIN_VERSION = api_versions.APIVersion("2.1")
 # when client supported the max version, and bumped sequentially, otherwise
 # the client may break due to server side new version may include some
 # backward incompatible change.
-API_MAX_VERSION = api_versions.APIVersion("2.11")
+API_MAX_VERSION = api_versions.APIVersion("2.12")
diff --git a/novaclient/tests/unit/v2/test_shell.py b/novaclient/tests/unit/v2/test_shell.py
index 635507524..bff97ab92 100644
--- a/novaclient/tests/unit/v2/test_shell.py
+++ b/novaclient/tests/unit/v2/test_shell.py
@@ -2552,6 +2552,8 @@ class ShellTest(utils.TestCase):
             5,   # Not implemented when test added, should not apply to adds.
             7,   # doesn't require any changes in novaclient
             9,   # doesn't require any changes in novaclient
+            # TODO(andreykurilin): remove 12 when 1522424 will be resolved
+            12,  # doesn't require any changes in novaclient
         ])
         versions_supported = set(range(0,
                                  novaclient.API_MAX_VERSION.ver_minor + 1))
diff --git a/novaclient/v2/virtual_interfaces.py b/novaclient/v2/virtual_interfaces.py
index 9c04e8d86..c2a0adf4a 100644
--- a/novaclient/v2/virtual_interfaces.py
+++ b/novaclient/v2/virtual_interfaces.py
@@ -22,7 +22,7 @@ from novaclient import base
 
 class VirtualInterface(base.Resource):
     def __repr__(self):
-        pass
+        return "<VirtualInterface>"
 
 
 class VirtualInterfaceManager(base.ManagerWithFind):