Comment 1 for bug 1460988

Current requirements appear to align, openstack-client was updated around the same time as nova-docker here:
https://github.com/openstack/python-openstackclient/commit/0816cd79d47f16f24555fd5812abdc6f5f41287d

Can you update your openstack-client maybe? Or perhaps there's a nuance I'm missing here.