forwarding radius packets to radius

Change-Id: I28678715adc42358d85006e2df0baa25d768746d
diff --git a/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java b/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
index 2351b03..6dc71fc 100644
--- a/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
+++ b/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
@@ -253,6 +253,8 @@
             ethernet.setVlanID(vlan.toShort());
         }
 
+        ethernet.setPad(true);
+
         return ethernet;
     }