lets try letting the upgrade do rolling reboots

roles/ansible-ansible-openshift-ansible/templates/cluster-inventory.j2

@@ -14,6 +14,8 @@ etcd
 
 # Set variables common for all OSEv3 hosts
 [OSEv3:vars]
+# Have upgrader also restart systems in a rolling manner.
+openshift_rolling_restart_mode=system
 # Disable the disk and package version tests
 openshift_disable_check=disk_availability,package_version
 # SSH user, this user should allow ssh based auth without requiring a