Fixed hash method in CordVtnNode
- Hash method only uses hostname

Change-Id: Ibc8309374c8d22138349b651fcac4b6e2bf8b0e0
diff --git a/src/main/java/org/onosproject/cordvtn/CordVtnNode.java b/src/main/java/org/onosproject/cordvtn/CordVtnNode.java
index c11ba42..87caf6b 100644
--- a/src/main/java/org/onosproject/cordvtn/CordVtnNode.java
+++ b/src/main/java/org/onosproject/cordvtn/CordVtnNode.java
@@ -140,7 +140,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(hostname, ovsdbIp, ovsdbPort);
+        return Objects.hash(hostname);
     }
 
     @Override