066 migration get_network_by_id list index out of range

The 066 migration fails in some cases. I received this traceback while upgrading a development install:

2012-01-17 18:59:30,064 INFO nova [-] Updating 2e8b9130-1485-43e1-a077-98e0d9aca04c
2012-01-17 18:59:30,068 INFO nova [-] VIFs for Instance 2e8b9130-1485-43e1-a077-98e0d9aca04c:
 [{'network_id': None, 'address': '02:16:3e:46:c7:f0', 'id': 1L, 'uuid': '088b1308-b448-4150-8293-30c1847f1fed'}]
2012-01-17 18:59:30,073 DEBUG migrate.versioning.util [-] Disposing SQLAlchemy engine Engine(mysql://root:nova@127.0.0.1/nova) from (pid=23324) debug /home/johannes/openstack/nova/trunk/nova/log.py:175
Command failed, please check log for more info
2012-01-17 18:59:30,076 CRITICAL nova [-] list index out of range
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/bin/nova-manage", line 2382, in <module>
(nova): TRACE: main()
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/bin/nova-manage", line 2370, in main
(nova): TRACE: fn(*fn_args, **fn_kwargs)
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/bin/nova-manage", line 1207, in sync
(nova): TRACE: return migration.db_sync(version)
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/nova/db/migration.py", line 35, in db_sync
(nova): TRACE: return IMPL.db_sync(version=version)
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/nova/db/sqlalchemy/migration.py", line 51, in db_sync
(nova): TRACE: return versioning_api.upgrade(FLAGS.sql_connection, repo_path, version)
(nova): TRACE: File "/usr/local/lib/python2.6/dist-packages/migrate/versioning/api.py", line 186, in upgrade
(nova): TRACE: return _migrate(url, repository, version, upgrade=True, err=err, **opts)
(nova): TRACE: File "<string>", line 2, in _migrate
(nova): TRACE: File "/usr/local/lib/python2.6/dist-packages/migrate/versioning/util/__init__.py", line 159, in with_engine
(nova): TRACE: return f(*a, **kw)
(nova): TRACE: File "/usr/local/lib/python2.6/dist-packages/migrate/versioning/api.py", line 365, in _migrate
(nova): TRACE: schema.runchange(ver, change, changeset.step)
(nova): TRACE: File "/usr/local/lib/python2.6/dist-packages/migrate/versioning/schema.py", line 84, in runchange
(nova): TRACE: change.run(self.engine, step)
(nova): TRACE: File "/usr/local/lib/python2.6/dist-packages/migrate/versioning/script/py.py", line 145, in run
(nova): TRACE: script_func(engine)
(nova): TRACE: File "/home/johannes/openstack/nova/trunk/nova/db/sqlalchemy/migrate_repo/versions/066_preload_instance_info_cache_table.py", line 155, in upgrade
(nova): TRACE: network = get_network_by_id(vif['network_id'])[0]
(nova): TRACE: IndexError: list index out of range
(nova): TRACE: