Fix internet access status

app/src/main/java/org/unifiedpush/distributor/nextpush/services/RestartNetworkCallback.kt

@@ -33,11 +33,14 @@ class RestartNetworkCallback(val context: Context) : ConnectivityManager.Network
                     RestartWorker.run(context, delay = 0)
                 } // else, it retries in max 2sec
             }
-        } else {
-            hasInternet = false
         }
     }
 
+    override fun onLost(network: Network) {
+        Log.d(TAG, "Network unavailable")
+        hasInternet = false
+    }
+
     fun register() {
         if (!registered) {
             registered = true