Avoid uncaught exception

ansible/roles/firstboot/files/ansible_payload/roles/workloadcluster/tasks/main.yml

@@ -72,6 +72,7 @@
         datastore: "{{ vcenter_info.datastore }}"
         folder: "{{ vcenter_info.folder }}"
         networks: "{u'{{ ova_spec.results[index].stdout | from_json | json_query('NetworkMapping[0].Name') }}':u'{{ vcenter_info.network }}'}"
+        allow_duplicates: no
         power_on: false
         ovf: "{{ item }}"
       register: ova_deploy