I'm not that familiar with upgrades but looking at your output (INFO [alembic.migration] Running upgrade None -> havana, havana_initial ) and mail question from yesterday about upgrade I think you should first stamp your DB as Icehouse : neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini stamp icehouse and then run upgrade. Jacek -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20141020/bf429d3f/attachment.html>