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-rw-r--r--nova/api/openstack/compute/contrib/os_networks.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/nova/api/openstack/compute/contrib/os_networks.py b/nova/api/openstack/compute/contrib/os_networks.py
index c6268f277..2cea0e081 100644
--- a/nova/api/openstack/compute/contrib/os_networks.py
+++ b/nova/api/openstack/compute/contrib/os_networks.py
@@ -139,6 +139,9 @@ class NetworkController(wsgi.Controller):
try:
self.network_api.add_network_to_project(
context, project_id, network_id)
+ except NotImplementedError:
+ msg = (_("VLAN support must be enabled"))
+ raise exc.HTTPNotImplemented(explanation=msg)
except Exception as ex:
msg = (_("Cannot associate network %(network)s"
" with project %(project)s: %(message)s") %