diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index fa8f339..418e4df 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -936,7 +936,7 @@
             }
             // Ethernet is often not specified in the configs, although many devices can use it via
             // USB host adapters. Add it as long as the ethernet service is here.
-            if (ctx.getSystemService(Context.ETHERNET_SERVICE) != null) {
+            if (deviceSupportsEthernet(ctx)) {
                 addSupportedType(TYPE_ETHERNET);
             }
 
@@ -1621,6 +1621,15 @@
                 mContext);
     }
 
+    /**
+     * Check whether or not the device supports Ethernet transport.
+     */
+    public static boolean deviceSupportsEthernet(final Context context) {
+        final PackageManager pm = context.getPackageManager();
+        return pm.hasSystemFeature(PackageManager.FEATURE_ETHERNET)
+                || pm.hasSystemFeature(PackageManager.FEATURE_USB_HOST);
+    }
+
     private static NetworkCapabilities createDefaultNetworkCapabilitiesForUid(int uid) {
         return createDefaultNetworkCapabilitiesForUidRangeSet(Collections.singleton(
                 new UidRange(uid, uid)));