diff --git a/api/system-current.txt b/api/system-current.txt
index 962cbbf..656001c 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3083,10 +3083,10 @@
   }
 
   public static final class IpSecManager.IpSecTunnelInterface implements java.lang.AutoCloseable {
-    method public void addAddress(android.net.LinkAddress) throws java.io.IOException;
+    method public void addAddress(java.net.InetAddress, int) throws java.io.IOException;
     method public void close();
     method public java.lang.String getInterfaceName();
-    method public void removeAddress(android.net.LinkAddress) throws java.io.IOException;
+    method public void removeAddress(java.net.InetAddress, int) throws java.io.IOException;
   }
 
   public final class IpSecTransform implements java.lang.AutoCloseable {
diff --git a/core/java/android/net/IpSecManager.java b/core/java/android/net/IpSecManager.java
index e0654fd..ade6374 100644
--- a/core/java/android/net/IpSecManager.java
+++ b/core/java/android/net/IpSecManager.java
@@ -684,14 +684,15 @@
          * tunneled traffic.
          *
          * @param address the local address for traffic inside the tunnel
+         * @param prefixLen length of the InetAddress prefix
          * @hide
          */
         @SystemApi
         @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS)
-        public void addAddress(@NonNull LinkAddress address) throws IOException {
+        public void addAddress(@NonNull InetAddress address, int prefixLen) throws IOException {
             try {
                 mService.addAddressToTunnelInterface(
-                        mResourceId, address, mOpPackageName);
+                        mResourceId, new LinkAddress(address, prefixLen), mOpPackageName);
             } catch (RemoteException e) {
                 throw e.rethrowFromSystemServer();
             }
@@ -703,14 +704,15 @@
          * <p>Remove an address which was previously added to the IpSecTunnelInterface
          *
          * @param address to be removed
+         * @param prefixLen length of the InetAddress prefix
          * @hide
          */
         @SystemApi
         @RequiresPermission(android.Manifest.permission.MANAGE_IPSEC_TUNNELS)
-        public void removeAddress(@NonNull LinkAddress address) throws IOException {
+        public void removeAddress(@NonNull InetAddress address, int prefixLen) throws IOException {
             try {
                 mService.removeAddressFromTunnelInterface(
-                        mResourceId, address, mOpPackageName);
+                        mResourceId, new LinkAddress(address, prefixLen), mOpPackageName);
             } catch (RemoteException e) {
                 throw e.rethrowFromSystemServer();
             }
diff --git a/tests/net/java/android/net/IpSecManagerTest.java b/tests/net/java/android/net/IpSecManagerTest.java
index a946e50..13210e8 100644
--- a/tests/net/java/android/net/IpSecManagerTest.java
+++ b/tests/net/java/android/net/IpSecManagerTest.java
@@ -260,12 +260,14 @@
         IpSecManager.IpSecTunnelInterface tunnelIntf =
                 createAndValidateVti(DUMMY_RESOURCE_ID, VTI_INTF_NAME);
 
-        tunnelIntf.addAddress(VTI_INNER_ADDRESS);
+        tunnelIntf.addAddress(VTI_INNER_ADDRESS.getAddress(),
+                VTI_INNER_ADDRESS.getPrefixLength());
         verify(mMockIpSecService)
                 .addAddressToTunnelInterface(
                         eq(DUMMY_RESOURCE_ID), eq(VTI_INNER_ADDRESS), anyString());
 
-        tunnelIntf.removeAddress(VTI_INNER_ADDRESS);
+        tunnelIntf.removeAddress(VTI_INNER_ADDRESS.getAddress(),
+                VTI_INNER_ADDRESS.getPrefixLength());
         verify(mMockIpSecService)
                 .addAddressToTunnelInterface(
                         eq(DUMMY_RESOURCE_ID), eq(VTI_INNER_ADDRESS), anyString());