Testing & fixing GUI fail-over code.

Change-Id: I64843186bf05020ce77a1508a300391e0db6bf48
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
index dd00d49..a35a388 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
@@ -194,8 +194,8 @@
         }
 
         ObjectNode payload = mapper.createObjectNode();
-        payload.set("instances", instances);
-        sendMessage("onosInstances", 0, payload);
+        payload.set("clusterNodes", instances);
+        sendMessage("bootstrap", 0, payload);
     }
 
 }