Run nmstate on OCP nodes only if accessible

Signed-off-by: Pragadeeswaran Sathyanarayanan <[email protected]>

roles/ci_nmstate/tasks/main.yml

@@ -99,6 +99,7 @@
     cacheable: true
 
 - name: Provision k8s workers with nmstate
+  when: cifmw_openshift_kubeconfig is defined
   ansible.builtin.include_tasks: nmstate_k8s_install.yml
 
 - name: Provision unmanaged nodes with nmstate