diff --git a/web/gui/src/main/webapp/json/ev/colors/ev_38_onos.json b/web/gui/src/main/webapp/json/ev/colors/ev_38_onos.json
new file mode 100644
index 0000000..65cae8d
--- /dev/null
+++ b/web/gui/src/main/webapp/json/ev/colors/ev_38_onos.json
@@ -0,0 +1,14 @@
+{
+  "event": "updateInstance",
+  "payload": {
+    "id": "onos-master",
+    "ip": "192.168.0.7",
+    "online": false,
+    "uiAttached": false,
+    "switches": 300,
+    "labels": [
+      "onos-master",
+      "192.168.0.7"
+    ]
+  }
+}