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