Unable to delete node due to maasserver_interface_ip_address violation

After the new network model landed I am unable to delete nodes after they have been commissioned. The following was seen on a fresh MAAS install

From region.log
2015-09-15 12:01:26 [-] Error on request (17) node.action: insert or update on table "maasserver_interface_ip_addresses" violates foreign key constraint "interface_id_refs_id_1d0a9cd9772ab207"
 DETAIL: Key (interface_id)=(2) is not present in table "maasserver_interface".

 Traceback (most recent call last):
   File "/usr/lib/python2.7/threading.py", line 783, in __bootstrap
     self.__bootstrap_inner()
   File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
     self.run()
   File "/usr/lib/python2.7/threading.py", line 763, in run
     self.__target(*self.__args, **self.__kwargs)
 --- <exception caught here> ---
   File "/usr/lib/python2.7/dist-packages/twisted/python/threadpool.py", line 191, in _worker
     result = context.call(ctx, function, *args, **kwargs)
   File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
     return self.currentContext().callWithContext(ctx, func, *args, **kw)
   File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
     return func(*args,**kw)
   File "/usr/lib/python2.7/dist-packages/maasserver/utils/orm.py", line 481, in call_within_transaction
     return func_outside_txn(*args, **kwargs)
   File "/usr/lib/python2.7/dist-packages/maasserver/utils/orm.py", line 308, in retrier
     return func(*args, **kwargs)
   File "/usr/lib/python2.7/dist-packages/django/db/transaction.py", line 339, in inner
     return func(*args, **kwargs)
   File "/usr/lib/python2.7/dist-packages/django/db/transaction.py", line 305, in __exit__
     connection.commit()
   File "/usr/lib/python2.7/dist-packages/django/db/backends/__init__.py", line 168, in commit
     self._commit()
   File "/usr/lib/python2.7/dist-packages/django/db/backends/__init__.py", line 136, in _commit
     return self.connection.commit()
   File "/usr/lib/python2.7/dist-packages/django/db/utils.py", line 99, in __exit__
     six.reraise(dj_exc_type, dj_exc_value, traceback)
   File "/usr/lib/python2.7/dist-packages/django/db/backends/__init__.py", line 136, in _commit
     return self.connection.commit()
 django.db.utils.IntegrityError: insert or update on table "maasserver_interface_ip_addresses" violates foreign key constraint "interface_id_refs_id_1d0a9cd9772ab207"
 DETAIL: Key (interface_id)=(2) is not present in table "maasserver_interface".

The UI gives the following when trying to delete a node
The delete action for 1 node failed with the error: insert or update on table "maasserver_interface_ip_addresses" violates foreign key contraint "interface_id_refs_id_1d0a9cd9772ab207" DETAIL: Key (interface_id)=(2) is not present in table "maasserver_interface".