Merge pull request #9343 from tzumainn/openstack-uninstall-hardening

ignore failing dns clean errors when running openstack uninstall

playbooks/openstack/openshift-cluster/uninstall.yml

@@ -20,6 +20,7 @@
 
 - name: Clean DNS entries
   hosts: localhost
+  ignore_errors: True
   tasks:
   - name: Clean DNS entries
     import_role: