diff --git a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
index 32dbd7e0b6..d100acf85c 100644
--- a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -172,6 +172,10 @@ public class EthernetNetworkFactory extends NetworkFactory {
             return;
         }
 
+        capabilities = new NetworkCapabilities.Builder(capabilities)
+                .setNetworkSpecifier(new EthernetNetworkSpecifier(ifaceName))
+                .build();
+
         if (DBG) {
             Log.d(TAG, "addInterface, iface: " + ifaceName + ", capabilities: " + capabilities);
         }