diff --git a/framework-t/api/module-lib-current.txt b/framework-t/api/module-lib-current.txt
index aaaa628..75a8625 100644
--- a/framework-t/api/module-lib-current.txt
+++ b/framework-t/api/module-lib-current.txt
@@ -31,6 +31,22 @@
     method public static void registerServiceWrappers();
   }
 
+  public class EthernetManager {
+    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void addInterfaceStateListener(@NonNull java.util.concurrent.Executor, @NonNull android.net.EthernetManager.InterfaceStateListener);
+    method public void removeInterfaceStateListener(@NonNull android.net.EthernetManager.InterfaceStateListener);
+    method public void setIncludeTestInterfaces(boolean);
+    field public static final int ROLE_CLIENT = 1; // 0x1
+    field public static final int ROLE_NONE = 0; // 0x0
+    field public static final int ROLE_SERVER = 2; // 0x2
+    field public static final int STATE_ABSENT = 0; // 0x0
+    field public static final int STATE_LINK_DOWN = 1; // 0x1
+    field public static final int STATE_LINK_UP = 2; // 0x2
+  }
+
+  public static interface EthernetManager.InterfaceStateListener {
+    method public void onInterfaceStateChanged(@NonNull String, int, int, @Nullable android.net.IpConfiguration);
+  }
+
   public class IpSecManager {
     field public static final int DIRECTION_FWD = 2; // 0x2
   }