** Update docs to ensure we use the registry.redhat.io/rhosp-rhel8 namespace. +++ This bug was initially created as a clone of Bug #1791928 +++ Description of problem: default namespace for OpenStack containers is wrong in RC Version-Release number of selected component (if applicable): openstack-tripleo-common-11.3.3-0.20200107225621.47626e1.el8ost How reproducible: Always Steps to Reproduce: 1. openstack container image prepare 2. the default namespace should pull from registry.redhat.io/rhosp-rhel8 3. Actual results: it is trying to pull from registry.redhat.io/rhosp16 Expected results: it sets up to pull from registry.redhat.io/rhosp-rhel8 Additional info: