get_active_interfaces reports duplicated interfaces

2010-06-21T18:48:42 ERROR SiteError https://staging.landscape.canonical.com/message-system
Traceback (most recent call last):
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 134, in publish
    result = publication.callObject(request, obj)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/app/publication/zopepublication.py", line 205, in callObject
    return mapply(ob, request.getPositionalArguments(), request)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 109, in mapply
    return debug_call(obj, args)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 115, in debug_call
    return obj(*args)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/browser/message/message.py", line 38, in __call__
    result = message_system.dispatch(self.request)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/message/system.py", line 45, in dispatch
    return message_api.run()
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/message/messageapis.py", line 159, in run
    self.computer.consecutive_errors += 1
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/security/policy.py", line 35, in checkPermission
    decision = checker(permission)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/security/policy.py", line 84, in __call__
    self._roles = self.get_roles()
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/security/checkers.py", line 299, in get_roles
    roles = self.context.get_license_roles().copy()
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/model/main/computer.py", line 276, in get_license_roles
    return self.account.get_license_roles_by_computer(self)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/references.py", line 148, in __get__
    if self._relation.local_variables_are_none(local):
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/references.py", line 551, in local_variables_are_none
    if local_info.variables[column].get() is not None:
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/store.py", line 901, in _resolve_lazy_value
    result = self._connection.execute(Select(autoreload_columns, where))
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/databases/postgres.py", line 249, in execute
    return Connection.execute(self, statement, params, noresult)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/database.py", line 229, in execute
    self._event.emit("register-transaction")
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/zope/zstorm.py", line 208, in register_store_with_transaction
    transaction_manager.get().join(data_manager)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_transaction.py", line 213, in join
    self._prior_operation_failed() # doesn't return
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_transaction.py", line 209, in _prior_operation_failed
    self._failure_traceback.getvalue())
TransactionFailedError: An operation previously failed, with traceback:

  File "/usr/lib/python2.6/threading.py", line 504, in __bootstrap
    self.__bootstrap_inner()
  File "/usr/lib/python2.6/threading.py", line 532, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.6/threading.py", line 484, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.6/dist-packages/twisted/python/threadpool.py", line 210, in _worker
    result = context.call(ctx, function, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/twisted/python/context.py", line 59, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/python/context.py", line 37, in callWithContext
    return func(*args,**kw)
  File "/usr/lib/python2.6/dist-packages/twisted/web/wsgi.py", line 313, in run
    appIterator = self.application(self.environ, self.startResponse)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/app/wsgi/__init__.py", line 58, in __call__
    request = publish(request, handle_errors=handle_errors)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 134, in publish
    result = publication.callObject(request, obj)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/app/publication/zopepublication.py", line 205, in callObject
    return mapply(ob, request.getPositionalArguments(), request)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 109, in mapply
    return debug_call(obj, args)
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/zope/publisher/publish.py", line 115, in debug_call
    return obj(*args)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/browser/message/message.py", line 38, in __call__
    result = message_system.dispatch(self.request)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/message/system.py", line 45, in dispatch
    return message_api.run()
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/message/messageapis.py", line 153, in run
    return self._run(max_response_messages)
  File "/srv/staging.landscape.canonical.com/staging/landscape/canonical/landscape/message/messageapis.py", line 263, in _run
    self.transaction.commit()
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_manager.py", line 93, in commit
    return self.get().commit()
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_transaction.py", line 325, in commit
    t, v, tb = self._saveAndGetCommitishError()
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_transaction.py", line 322, in commit
    self._commitResources()
  File "/srv/staging.landscape.canonical.com/staging/zope3/src/transaction/_transaction.py", line 414, in _commitResources
    rm.tpc_begin(self)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/zope/zstorm.py", line 239, in tpc_begin
    self._store.flush()
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/store.py", line 490, in flush
    self._flush_one(obj_info)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/store.py", line 527, in _flush_one
    result = self._connection.execute(expr)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/databases/postgres.py", line 243, in execute
    result = Connection.execute(self, Returning(statement), params)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/database.py", line 237, in execute
    raw_cursor = self.raw_execute(statement, params)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/databases/postgres.py", line 259, in raw_execute
    return Connection.raw_execute(self, statement, params)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/database.py", line 321, in raw_execute
    self._check_disconnect(raw_cursor.execute, *args)
  File "/srv/staging.landscape.canonical.com/staging/storm/storm/database.py", line 366, in _check_disconnect
    return function(*args, **kwargs)
IntegrityError: duplicate key value violates unique constraint "network_device_computer_id_key"

That's staging.landscape.canonical.com at rev 684.