diff --git a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
index f266386..8ce27a6 100644
--- a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -220,20 +220,17 @@
             @NonNull final IpConfiguration ipConfig,
             @Nullable final NetworkCapabilities capabilities,
             @Nullable final IEthernetNetworkManagementListener listener) {
-        enforceInterfaceIsTracked(ifaceName);
+        if (!hasInterface(ifaceName)) {
+            maybeSendNetworkManagementCallbackForUntracked(ifaceName, listener);
+            return;
+        }
+
         final NetworkInterfaceState iface = mTrackingInterfaces.get(ifaceName);
         iface.updateInterface(ipConfig, capabilities, listener);
         mTrackingInterfaces.put(ifaceName, iface);
         updateCapabilityFilter();
     }
 
-    private void enforceInterfaceIsTracked(@NonNull final String ifaceName) {
-        if (!hasInterface(ifaceName)) {
-            throw new UnsupportedOperationException(
-                    "Interface with name " + ifaceName + " is not being tracked.");
-        }
-    }
-
     private static NetworkCapabilities mixInCapabilities(NetworkCapabilities nc,
             NetworkCapabilities addedNc) {
        final NetworkCapabilities.Builder builder = new NetworkCapabilities.Builder(nc);
@@ -272,10 +269,8 @@
     @VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
     protected boolean updateInterfaceLinkState(@NonNull final String ifaceName, final boolean up,
             @Nullable final IEthernetNetworkManagementListener listener) {
-        if (!mTrackingInterfaces.containsKey(ifaceName)) {
-            maybeSendNetworkManagementCallback(listener, null,
-                    new EthernetNetworkManagementException(
-                            ifaceName + " can't be updated as it is not available."));
+        if (!hasInterface(ifaceName)) {
+            maybeSendNetworkManagementCallbackForUntracked(ifaceName, listener);
             return false;
         }
 
@@ -287,6 +282,13 @@
         return iface.updateLinkState(up, listener);
     }
 
+    private void maybeSendNetworkManagementCallbackForUntracked(
+            String ifaceName, IEthernetNetworkManagementListener listener) {
+        maybeSendNetworkManagementCallback(listener, null,
+                new EthernetNetworkManagementException(
+                        ifaceName + " can't be updated as it is not available."));
+    }
+
     @VisibleForTesting
     protected boolean hasInterface(String ifaceName) {
         return mTrackingInterfaces.containsKey(ifaceName);
diff --git a/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java b/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
index fed500f..f80f6a0 100644
--- a/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
+++ b/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
@@ -66,12 +66,6 @@
                 methodName + " is only available on automotive devices.");
     }
 
-    private void enforceInterfaceIsTracked(final @NonNull String iface) {
-        if(!mTracker.isTrackingInterface(iface)) {
-            throw new UnsupportedOperationException("The given iface is not currently tracked.");
-        }
-    }
-
     private boolean checkUseRestrictedNetworksPermission() {
         return PermissionUtils.checkAnyPermissionOf(mContext,
                 android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS);
@@ -220,13 +214,12 @@
      */
     private void validateNetworkManagementState(@NonNull final String iface,
             final @NonNull String methodName) {
+        Objects.requireNonNull(iface, "Pass a non-null iface.");
+        Objects.requireNonNull(methodName, "Pass a non-null methodName.");
+
         enforceAutomotiveDevice(methodName);
         enforceNetworkManagementPermission();
         logIfEthernetNotStarted();
-
-        Objects.requireNonNull(iface, "Pass a non-null iface.");
-        Objects.requireNonNull(methodName, "Pass a non-null methodName.");
-        enforceInterfaceIsTracked(iface);
     }
 
     @Override
diff --git a/tests/ethernet/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java b/tests/ethernet/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
index 33831a5..61425bf 100644
--- a/tests/ethernet/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
+++ b/tests/ethernet/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
@@ -763,4 +763,18 @@
                 eq(capabilities), any(), any(), any(), any());
         verifyRestart(ipConfiguration);
     }
+
+    @Test
+    public void testUpdateInterfaceForNonExistingInterface() throws Exception {
+        initEthernetNetworkFactory();
+        // No interface exists due to not calling createAndVerifyProvisionedInterface(...).
+        final NetworkCapabilities capabilities = createDefaultFilterCaps();
+        final IpConfiguration ipConfiguration = createStaticIpConfig();
+        final TestNetworkManagementListener listener = new TestNetworkManagementListener();
+
+        mNetFactory.updateInterface(TEST_IFACE, ipConfiguration, capabilities, listener);
+
+        verifyNoStopOrStart();
+        assertFailedListener(listener, "can't be updated as it is not available");
+    }
 }
diff --git a/tests/ethernet/java/com/android/server/ethernet/EthernetServiceImplTest.java b/tests/ethernet/java/com/android/server/ethernet/EthernetServiceImplTest.java
index 2829753..e74a5a3 100644
--- a/tests/ethernet/java/com/android/server/ethernet/EthernetServiceImplTest.java
+++ b/tests/ethernet/java/com/android/server/ethernet/EthernetServiceImplTest.java
@@ -156,30 +156,6 @@
         });
     }
 
-    @Test
-    public void testUpdateConfigurationRejectsWithUntrackedIface() {
-        shouldTrackIface(TEST_IFACE, false);
-        assertThrows(UnsupportedOperationException.class, () -> {
-            mEthernetServiceImpl.updateConfiguration(TEST_IFACE, UPDATE_REQUEST, NULL_LISTENER);
-        });
-    }
-
-    @Test
-    public void testConnectNetworkRejectsWithUntrackedIface() {
-        shouldTrackIface(TEST_IFACE, false);
-        assertThrows(UnsupportedOperationException.class, () -> {
-            mEthernetServiceImpl.connectNetwork(TEST_IFACE, NULL_LISTENER);
-        });
-    }
-
-    @Test
-    public void testDisconnectNetworkRejectsWithUntrackedIface() {
-        shouldTrackIface(TEST_IFACE, false);
-        assertThrows(UnsupportedOperationException.class, () -> {
-            mEthernetServiceImpl.disconnectNetwork(TEST_IFACE, NULL_LISTENER);
-        });
-    }
-
     private void denyManageEthPermission() {
         doThrow(new SecurityException("")).when(mContext)
                 .enforceCallingOrSelfPermission(