Fix the multi-node host list separator
Fix the multi-node host list separator

BBVA/openshift-on-openstack,redhat-openstack/openshift-on-openstack,BBVA/openshift-on-openstack,markllama/openshift-on-openstack,jonjozwiak/openshift-on-openstack,redhat-openstack/openshift-on-openstack,markllama/openshift-on-openstack,jonjozwiak/openshift-on-openstack