Fix: correct the k8s node type, enhance k8s node check and list cmd

Change-Id: I6da0be677ab4372d7581aa23a6c45dfbfb27ead4
diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sNodeListCommand.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sNodeListCommand.java
index 04601cf..aea2130 100644
--- a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sNodeListCommand.java
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sNodeListCommand.java
@@ -37,7 +37,7 @@
         description = "Lists all nodes registered in kubernetes node service")
 public class K8sNodeListCommand extends AbstractShellCommand {
 
-    private static final String FORMAT = "%-20s%-15s%-24s%-24s%-20s%-15s";
+    private static final String FORMAT = "%-28s%-15s%-24s%-20s%-15s";
 
     @Override
     protected void doExecute() {
@@ -48,13 +48,11 @@
         if (outputJson()) {
             print("%s", json(nodes));
         } else {
-            print(FORMAT, "Hostname", "Type", "Integration Bridge",
-                    "Management IP", "Data IP", "State");
+            print(FORMAT, "Hostname", "Type", "Management IP", "Data IP", "State");
             for (K8sNode node : nodes) {
                 print(FORMAT,
                         node.hostname(),
                         node.type(),
-                        node.intgBridge(),
                         node.managementIp(),
                         node.dataIp() != null ? node.dataIp() : "",
                         node.state());