diff --git a/core/java/android/net/EthernetDataTracker.java b/core/java/android/net/EthernetDataTracker.java
index 21ecc22..02e81b6 100644
--- a/core/java/android/net/EthernetDataTracker.java
+++ b/core/java/android/net/EthernetDataTracker.java
@@ -79,10 +79,7 @@
                 if (up) {
                     mTracker.reconnect();
                 } else {
-                    NetworkUtils.stopDhcp(mIface);
-                    mTracker.mNetworkInfo.setIsAvailable(false);
-                    mTracker.mNetworkInfo.setDetailedState(DetailedState.DISCONNECTED,
-                                                           null, null);
+                    mTracker.disconnect();
                 }
             }
         }
@@ -129,11 +126,7 @@
         runDhcp();
     }
 
-    private void interfaceRemoved(String iface) {
-        if (!iface.equals(mIface))
-            return;
-
-        Log.d(TAG, "Removing " + iface);
+    public void disconnect() {
 
         NetworkUtils.stopDhcp(mIface);
 
@@ -147,6 +140,21 @@
         msg = mCsHandler.obtainMessage(EVENT_STATE_CHANGED, mNetworkInfo);
         msg.sendToTarget();
 
+        IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
+        INetworkManagementService service = INetworkManagementService.Stub.asInterface(b);
+        try {
+            service.clearInterfaceAddresses(mIface);
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to clear addresses or disable ipv6" + e);
+        }
+    }
+
+    private void interfaceRemoved(String iface) {
+        if (!iface.equals(mIface))
+            return;
+
+        Log.d(TAG, "Removing " + iface);
+	disconnect();
         mIface = "";
     }