It looks like it's getting a 503 from keystone, which does not indicate a proxy issue at first glance.
Can you check keystone logs with `kubectl logs -n openstack -c keystone keystone-0` ?
It looks like it's getting a 503 from keystone, which does not indicate a proxy issue at first glance.
Can you check keystone logs with `kubectl logs -n openstack -c keystone keystone-0` ?