Openstack Regions and Cross Model Relations


Dear all, I am trying to use cross model relations with Juju in order to add a region to an openstack installation. However it seems to fail.
I have two models (mvp-common and mvp1920) on the same controller and I use the following commands:

juju switch mvp-common
juju offer keystone:identity-service
juju switch mvp1920
juju consume admin/mvp-common.keystone keystone-common
juju add-relation nova-cloud-controller:identity-service keystone-common

The log from the controller are: