diff --git a/nova/auth/users.py b/nova/auth/users.py
index 2c153c788a3f..fc08dc34dd44 100644
--- a/nova/auth/users.py
+++ b/nova/auth/users.py
@@ -459,11 +459,11 @@ class UserManager(object):
                        description=None, member_users=None):
         if member_users:
             member_users = [User.safe_id(u) for u in member_users]
+        # NOTE(vish): try to associate a vpn ip and port first because
+        #             if it throws an exception, we save having to
+        #             create and destroy a project
+        Vpn.create(name)
         with LDAPWrapper() as conn:
-            # NOTE(vish): try to associate a vpn ip and port first because
-            #             if it throws an exception, we save having to
-            #             create and destroy a project
-            Vpn.create(name)
             return conn.create_project(name,
                                        User.safe_id(manager_user),
                                        description,
@@ -524,15 +524,16 @@ class UserManager(object):
         with LDAPWrapper() as conn:
             user = User.safe_id(user)
             result = conn.create_user(user, access, secret, admin)
-            if create_project:
-                # NOTE(vish): if the project creation fails, we delete
-                #             the user and return an exception
-                try:
-                    conn.create_project(user, user, user)
-                except Exception:
+        if create_project:
+            # NOTE(vish): if the project creation fails, we delete
+            #             the user and return an exception
+            try:
+                conn.create_project(user, user, user)
+            except Exception:
+                with LDAPWrapper() as conn:
                     conn.delete_user(user)
-                    raise
-            return result
+                raise
+        return result
 
     def delete_user(self, user, delete_project=True):
         with LDAPWrapper() as conn:
diff --git a/nova/compute/network.py b/nova/compute/network.py
index 1a8bc4ca1d4c..90d6b2dc669b 100644
--- a/nova/compute/network.py
+++ b/nova/compute/network.py
@@ -127,8 +127,9 @@ class Vlan(datastore.BasicModel):
     @datastore.absorb_connection_error
     def all(cls):
         set_name = cls._redis_set_name(cls.__name__)
-        for project,vlan in datastore.Redis.instance().hgetall(set_name):
-            yield cls(project, vlan)
+        elements = datastore.Redis.instance().hgetall(set_name)
+        for project in elements:
+            yield cls(project, elements[project])
 
     @datastore.absorb_connection_error
     def save(self):
@@ -288,6 +289,7 @@ class BridgedNetwork(BaseNetwork):
             netmask
     """
 
+    bridge_gets_ip = False
     override_type = 'network'
 
     @classmethod
@@ -529,6 +531,10 @@ def get_vlan_for_project(project_id):
                 return Vlan.create(project_id, vnum)
     raise compute_exception.AddressNotAllocated("Out of VLANs")
 
+def get_network_by_interface(iface, security_group='default'):
+    vlan = iface.rpartition("br")[2]
+    return get_project_network(Vlan.dict_by_vlan().get(vlan), security_group)
+
 def get_network_by_address(address):
     logging.debug("Get Network By Address: %s" % address)
     for project in users.UserManager.instance().get_projects():