fix: allow overriding node-ip
diff --git a/roles/kubernetes/defaults/main.yml b/roles/kubernetes/defaults/main.yml
index c834aae..1cbfc72 100644
--- a/roles/kubernetes/defaults/main.yml
+++ b/roles/kubernetes/defaults/main.yml
@@ -73,3 +73,6 @@
   openvswitch: enabled
 
                                                                    # ]]]
+
+# Node IP address
+kubernetes_node_ip: "{{ ansible_default_ipv4.address }}"