$ grep list_notifier /usr/share/quantum/* /usr/share/quantum/quantum-dist.conf:notification_driver = quantum.openstack.common.notifier.list_notifier /usr/share/quantum/quantum-dist.conf:list_notifier_drivers = quantum.openstack.common.notifier.rabbit_notifier /var/log/quantum/server.log: 2013-05-26 10:53:32 ERROR [quantum.openstack.common.notifier.api] Failed to load notifier quantum.openstack.common.notifier.list_notifier. These notifications will not be sent. Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/quantum/openstack/common/notifier/api.py", line 169, in add_driver driver = importutils.import_module(notification_driver) File "/usr/lib/python2.6/site-packages/quantum/openstack/common/importutils.py", line 58, in import_module __import__(import_str) ImportError: No module named list_notifier
The version 2013.1.2-4.el6ost does not contains 'notification_driver' option in the /usr/share/quantum/quantum-dist.conf. No 'list_notifier' driver module import attempt after a packstack install.
per comment #3 I'm closing this bug