Comment 5 for bug 1521640

I managed to get more debug info:
http://paste.openstack.org/show/wfVJfKUzeRGaMmUZCoKv/

The most noteworthy item is "Making authentication request to http://localhost:5000/v3/auth/tokens get_auth_ref". It shouldn't refer to localhost:5000 for any reason and there are no configs in cinder.conf like this.