diff --git a/Tethering/apex/manifest.json b/Tethering/apex/manifest.json
index 3cb03ed..44a7eda 100644
--- a/Tethering/apex/manifest.json
+++ b/Tethering/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.tethering",
-  "version": 339990000
+  "version": 330400000
 }
diff --git a/bpf_progs/dscp_policy.c b/bpf_progs/dscp_policy.c
index 538a9e4..38e1050 100644
--- a/bpf_progs/dscp_policy.c
+++ b/bpf_progs/dscp_policy.c
@@ -297,7 +297,7 @@
 }
 
 DEFINE_BPF_PROG_KVER("schedcls/set_dscp_ether", AID_ROOT, AID_SYSTEM,
-                     schedcls_set_dscp_ether, KVER(5, 4, 0))
+                     schedcls_set_dscp_ether, KVER(5, 15, 0))
 (struct __sk_buff* skb) {
 
     if (skb->pkt_type != PACKET_HOST) return TC_ACT_PIPE;
@@ -313,7 +313,7 @@
 }
 
 DEFINE_BPF_PROG_KVER("schedcls/set_dscp_raw_ip", AID_ROOT, AID_SYSTEM,
-                     schedcls_set_dscp_raw_ip, KVER(5, 4, 0))
+                     schedcls_set_dscp_raw_ip, KVER(5, 15, 0))
 (struct __sk_buff* skb) {
     if (skb->protocol == htons(ETH_P_IP)) {
         match_policy(skb, true, false);
diff --git a/nearby/halfsheet/res/values-ro/strings.xml b/nearby/halfsheet/res/values-ro/strings.xml
index dbd0ffb..189f698 100644
--- a/nearby/halfsheet/res/values-ro/strings.xml
+++ b/nearby/halfsheet/res/values-ro/strings.xml
@@ -23,7 +23,7 @@
     <string name="fast_pair_title_fail" msgid="5677174346601290232">"Nu s-a putut conecta"</string>
     <string name="paring_action_done" msgid="6888875159174470731">"Gata"</string>
     <string name="paring_action_save" msgid="6259357442067880136">"Salvează"</string>
-    <string name="paring_action_connect" msgid="4801102939608129181">"Conectați"</string>
+    <string name="paring_action_connect" msgid="4801102939608129181">"Conectează"</string>
     <string name="paring_action_launch" msgid="8940808384126591230">"Configurează"</string>
     <string name="paring_action_settings" msgid="424875657242864302">"Setări"</string>
 </resources>
diff --git a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
index c4ea9ae..81f4c94 100644
--- a/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/service-t/src/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -630,8 +630,6 @@
             if (!up) { // was up, goes down
                 // retract network offer and stop IpClient.
                 destroy();
-                // If only setting the interface down, send a callback to signal completion.
-                EthernetNetworkFactory.maybeSendNetworkManagementCallback(listener, name, null);
             } else { // was down, goes up
                 // register network offer
                 mNetworkProvider.registerNetworkOffer(getBestNetworkScore(),
@@ -639,6 +637,7 @@
                         mNetworkOfferCallback);
             }
 
+            EthernetNetworkFactory.maybeSendNetworkManagementCallback(listener, name, null);
             return true;
         }
 
diff --git a/service/src/com/android/server/connectivity/ClatCoordinator.java b/service/src/com/android/server/connectivity/ClatCoordinator.java
index 4a7c77a..3272075 100644
--- a/service/src/com/android/server/connectivity/ClatCoordinator.java
+++ b/service/src/com/android/server/connectivity/ClatCoordinator.java
@@ -17,6 +17,7 @@
 package com.android.server.connectivity;
 
 import static android.net.INetd.IF_STATE_UP;
+import static android.net.INetd.PERMISSION_NETWORK;
 import static android.net.INetd.PERMISSION_SYSTEM;
 import static android.system.OsConstants.ETH_P_IP;
 import static android.system.OsConstants.ETH_P_IPV6;
@@ -353,9 +354,9 @@
     static int getFwmark(int netId) {
         // See union Fwmark in system/netd/include/Fwmark.h
         return (netId & 0xffff)
-                | 0x1 << 16  // protectedFromVpn: true
-                | 0x1 << 17  // explicitlySelected: true
-                | (PERMISSION_SYSTEM & 0x3) << 18;
+                | 0x1 << 16  // explicitlySelected: true
+                | 0x1 << 17  // protectedFromVpn: true
+                | ((PERMISSION_NETWORK | PERMISSION_SYSTEM) & 0x3) << 18;  // 2 permission bits = 3
     }
 
     @VisibleForTesting
diff --git a/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt b/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
index bbac09b..621b743 100644
--- a/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
+++ b/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
@@ -136,8 +136,8 @@
 
     @Before
     fun setUp() {
-        // For BPF support kernel needs to be at least 5.4.
-        assumeTrue(kernelIsAtLeast(5, 4))
+        // For BPF support kernel needs to be at least 5.15.
+        assumeTrue(kernelIsAtLeast(5, 15))
 
         runAsShell(MANAGE_TEST_NETWORKS) {
             val tnm = realContext.getSystemService(TestNetworkManager::class.java)
@@ -158,7 +158,7 @@
 
     @After
     fun tearDown() {
-        if (!kernelIsAtLeast(5, 4)) {
+        if (!kernelIsAtLeast(5, 15)) {
             return;
         }
         agentsToCleanUp.forEach { it.unregister() }
diff --git a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
index a694f01..db24b44 100644
--- a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
@@ -65,7 +65,6 @@
 import org.junit.After
 import org.junit.Assume.assumeFalse
 import org.junit.Before
-import org.junit.Ignore
 import org.junit.Test
 import org.junit.runner.RunWith
 import java.net.Inet6Address
@@ -321,7 +320,6 @@
     private fun TestableNetworkCallback.assertNotLost(n: Network? = null) =
         assertNoCallbackThat() { it is Lost && (n?.equals(it.network) ?: true) }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testCallbacks() {
         // If an interface exists when the callback is registered, it is reported on registration.
@@ -411,7 +409,6 @@
         listener.assertNoCallback()
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testGetInterfaceList() {
         setIncludeTestInterfaces(true)
@@ -434,7 +431,6 @@
         removeInterface(iface2)
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testNetworkRequest_withSingleExistingInterface() {
         setIncludeTestInterfaces(true)
@@ -453,7 +449,6 @@
         listenerCb.eventuallyExpectLost(network)
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testNetworkRequest_beforeSingleInterfaceIsUp() {
         setIncludeTestInterfaces(true)
@@ -472,7 +467,6 @@
         releaseNetwork(cb)
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testNetworkRequest_withMultipleInterfaces() {
         setIncludeTestInterfaces(true)
@@ -495,7 +489,6 @@
         releaseNetwork(cb)
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testNetworkRequest_withInterfaceBeingReplaced() {
         setIncludeTestInterfaces(true)
@@ -516,7 +509,6 @@
         releaseNetwork(cb)
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     fun testNetworkRequest_withMultipleInterfacesAndRequests() {
         setIncludeTestInterfaces(true)
diff --git a/tests/cts/net/util/java/android/net/cts/util/IkeSessionTestUtils.java b/tests/cts/net/util/java/android/net/cts/util/IkeSessionTestUtils.java
index 244bfc5..11eb466 100644
--- a/tests/cts/net/util/java/android/net/cts/util/IkeSessionTestUtils.java
+++ b/tests/cts/net/util/java/android/net/cts/util/IkeSessionTestUtils.java
@@ -27,6 +27,7 @@
 import android.net.InetAddresses;
 import android.net.ipsec.ike.ChildSaProposal;
 import android.net.ipsec.ike.IkeFqdnIdentification;
+import android.net.ipsec.ike.IkeIdentification;
 import android.net.ipsec.ike.IkeIpv4AddrIdentification;
 import android.net.ipsec.ike.IkeIpv6AddrIdentification;
 import android.net.ipsec.ike.IkeSaProposal;
@@ -57,6 +58,11 @@
     }
 
     private static IkeSessionParams getTestIkeSessionParams(boolean testIpv6) {
+        return getTestIkeSessionParams(testIpv6, new IkeFqdnIdentification(TEST_IDENTITY));
+    }
+
+    public static IkeSessionParams getTestIkeSessionParams(boolean testIpv6,
+            IkeIdentification identification) {
         final String testServer = testIpv6 ? TEST_SERVER_ADDR_V6 : TEST_SERVER_ADDR_V4;
         final InetAddress addr = InetAddresses.parseNumericAddress(testServer);
         final IkeSessionParams.Builder ikeOptionsBuilder =
diff --git a/tests/mts/bpf_existence_test.cpp b/tests/mts/bpf_existence_test.cpp
index db39e6f..2cd3310 100644
--- a/tests/mts/bpf_existence_test.cpp
+++ b/tests/mts/bpf_existence_test.cpp
@@ -124,6 +124,9 @@
 static const set<string> INTRODUCED_T_5_4 = {
     SHARED "prog_block_bind4_block_port",
     SHARED "prog_block_bind6_block_port",
+};
+
+static const set<string> INTRODUCED_T_5_15 = {
     SHARED "prog_dscp_policy_schedcls_set_dscp_ether",
     SHARED "prog_dscp_policy_schedcls_set_dscp_raw_ip",
 };
@@ -168,6 +171,7 @@
     if (IsAtLeastT()) {
         addAll(expected, INTRODUCED_T);
         if (android::bpf::isAtLeastKernelVersion(5, 4, 0)) addAll(expected, INTRODUCED_T_5_4);
+        if (android::bpf::isAtLeastKernelVersion(5, 15, 0)) addAll(expected, INTRODUCED_T_5_15);
         removeAll(expected, REMOVED_T);
 
         addAll(unexpected, REMOVED_T);
diff --git a/tests/unit/java/android/net/Ikev2VpnProfileTest.java b/tests/unit/java/android/net/Ikev2VpnProfileTest.java
index 5cb014f..3b68120 100644
--- a/tests/unit/java/android/net/Ikev2VpnProfileTest.java
+++ b/tests/unit/java/android/net/Ikev2VpnProfileTest.java
@@ -18,6 +18,7 @@
 
 import static android.net.cts.util.IkeSessionTestUtils.CHILD_PARAMS;
 import static android.net.cts.util.IkeSessionTestUtils.IKE_PARAMS_V6;
+import static android.net.cts.util.IkeSessionTestUtils.getTestIkeSessionParams;
 
 import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
 
@@ -28,6 +29,7 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import android.net.ipsec.ike.IkeKeyIdIdentification;
 import android.net.ipsec.ike.IkeTunnelConnectionParams;
 import android.os.Build;
 import android.test.mock.MockContext;
@@ -446,6 +448,40 @@
     }
 
     @Test
+    public void testBuildWithIkeTunConnParamsConvertToVpnProfile() throws Exception {
+        // Special keyId that contains delimiter character of VpnProfile
+        final byte[] keyId = "foo\0bar".getBytes();
+        final IkeTunnelConnectionParams tunnelParams = new IkeTunnelConnectionParams(
+                getTestIkeSessionParams(true /* testIpv6 */, new IkeKeyIdIdentification(keyId)),
+                CHILD_PARAMS);
+        final Ikev2VpnProfile ikev2VpnProfile = new Ikev2VpnProfile.Builder(tunnelParams).build();
+        final VpnProfile vpnProfile = ikev2VpnProfile.toVpnProfile();
+
+        assertEquals(VpnProfile.TYPE_IKEV2_FROM_IKE_TUN_CONN_PARAMS, vpnProfile.type);
+
+        // Username, password, server, ipsecIdentifier, ipsecCaCert, ipsecSecret, ipsecUserCert and
+        // getAllowedAlgorithms should not be set if IkeTunnelConnectionParams is set.
+        assertEquals("", vpnProfile.server);
+        assertEquals("", vpnProfile.ipsecIdentifier);
+        assertEquals("", vpnProfile.username);
+        assertEquals("", vpnProfile.password);
+        assertEquals("", vpnProfile.ipsecCaCert);
+        assertEquals("", vpnProfile.ipsecSecret);
+        assertEquals("", vpnProfile.ipsecUserCert);
+        assertEquals(0, vpnProfile.getAllowedAlgorithms().size());
+
+        // IkeTunnelConnectionParams should stay the same.
+        assertEquals(tunnelParams, vpnProfile.ikeTunConnParams);
+
+        // Convert to disk-stable format and then back to Ikev2VpnProfile should be the same.
+        final VpnProfile decodedVpnProfile =
+                VpnProfile.decode(vpnProfile.key, vpnProfile.encode());
+        final Ikev2VpnProfile convertedIkev2VpnProfile =
+                Ikev2VpnProfile.fromVpnProfile(decodedVpnProfile);
+        assertEquals(ikev2VpnProfile, convertedIkev2VpnProfile);
+    }
+
+    @Test
     public void testConversionIsLosslessWithIkeTunConnParams() throws Exception {
         final IkeTunnelConnectionParams tunnelParams =
                 new IkeTunnelConnectionParams(IKE_PARAMS_V6, CHILD_PARAMS);
@@ -471,6 +507,23 @@
                 new Ikev2VpnProfile.Builder(tunnelParams2).build());
     }
 
+    @Test
+    public void testBuildProfileWithNullProxy() throws Exception {
+        final Ikev2VpnProfile ikev2VpnProfile =
+                new Ikev2VpnProfile.Builder(SERVER_ADDR_STRING, IDENTITY_STRING)
+                        .setAuthUsernamePassword(USERNAME_STRING, PASSWORD_STRING, mServerRootCa)
+                        .build();
+
+        // ProxyInfo should be null for the profile without setting ProxyInfo.
+        assertNull(ikev2VpnProfile.getProxyInfo());
+
+        // ProxyInfo should stay null after performing toVpnProfile() and fromVpnProfile()
+        final VpnProfile vpnProfile = ikev2VpnProfile.toVpnProfile();
+        assertNull(vpnProfile.proxy);
+
+        final Ikev2VpnProfile convertedIkev2VpnProfile = Ikev2VpnProfile.fromVpnProfile(vpnProfile);
+        assertNull(convertedIkev2VpnProfile.getProxyInfo());
+    }
 
     private static class CertificateAndKey {
         public final X509Certificate cert;
diff --git a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
index f84d10f..7c18ecb 100644
--- a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
+++ b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
@@ -84,10 +84,10 @@
     private static final int GOOGLE_DNS_4 = 0x08080808;  // 8.8.8.8
     private static final int NETID = 42;
 
-    // The test fwmark means: PERMISSION_SYSTEM (0x2), protectedFromVpn: true,
+    // The test fwmark means: PERMISSION_NETWORK | PERMISSION_SYSTEM (0x3), protectedFromVpn: true,
     // explicitlySelected: true, netid: 42. For bit field structure definition, see union Fwmark in
     // system/netd/include/Fwmark.h
-    private static final int MARK = 0xb002a;
+    private static final int MARK = 0xf002a;
 
     private static final String XLAT_LOCAL_IPV4ADDR_STRING = "192.0.0.46";
     private static final String XLAT_LOCAL_IPV6ADDR_STRING = "2001:db8:0:b11::464";
@@ -483,10 +483,10 @@
 
     @Test
     public void testGetFwmark() throws Exception {
-        assertEquals(0xb0064, ClatCoordinator.getFwmark(100));
-        assertEquals(0xb03e8, ClatCoordinator.getFwmark(1000));
-        assertEquals(0xb2710, ClatCoordinator.getFwmark(10000));
-        assertEquals(0xbffff, ClatCoordinator.getFwmark(65535));
+        assertEquals(0xf0064, ClatCoordinator.getFwmark(100));
+        assertEquals(0xf03e8, ClatCoordinator.getFwmark(1000));
+        assertEquals(0xf2710, ClatCoordinator.getFwmark(10000));
+        assertEquals(0xfffff, ClatCoordinator.getFwmark(65535));
     }
 
     @Test
diff --git a/tests/unit/java/com/android/server/connectivity/VpnTest.java b/tests/unit/java/com/android/server/connectivity/VpnTest.java
index 6266d8c..597b9a6 100644
--- a/tests/unit/java/com/android/server/connectivity/VpnTest.java
+++ b/tests/unit/java/com/android/server/connectivity/VpnTest.java
@@ -207,7 +207,7 @@
     private static final int TEST_TUNNEL_RESOURCE_ID = 0x2345;
     private static final long TEST_TIMEOUT_MS = 500L;
     private static final String PRIMARY_USER_APP_EXCLUDE_KEY =
-            "VPN_APP_EXCLUDED_27_com.testvpn.vpn";
+            "VPNAPPEXCLUDED_27_com.testvpn.vpn";
     /**
      * Names and UIDs for some fake packages. Important points:
      *  - UID is ordered increasing.
@@ -837,7 +837,8 @@
         // Restricted users cannot configure VPNs
         assertThrows(SecurityException.class,
                 () -> vpn.setAppExclusionList(TEST_VPN_PKG, new ArrayList<>()));
-        assertThrows(SecurityException.class, () -> vpn.getAppExclusionList(TEST_VPN_PKG));
+
+        assertEquals(Arrays.asList(PKGS), vpn.getAppExclusionList(TEST_VPN_PKG));
     }
 
     @Test
@@ -1315,7 +1316,7 @@
                 config -> Arrays.asList(config.flags).contains(flag)));
     }
 
-    private void setupPlatformVpnWithSpecificExceptionAndItsErrorCode(IkeException exception,
+    private void doTestPlatformVpnWithException(IkeException exception,
             String category, int errorType, int errorCode) throws Exception {
         final ArgumentCaptor<IkeSessionCallback> captor =
                 ArgumentCaptor.forClass(IkeSessionCallback.class);
@@ -1333,6 +1334,7 @@
         // state
         verify(mIkev2SessionCreator, timeout(TEST_TIMEOUT_MS))
                 .createIkeSession(any(), any(), any(), any(), captor.capture(), any());
+        reset(mIkev2SessionCreator);
         final IkeSessionCallback ikeCb = captor.getValue();
         ikeCb.onClosedWithException(exception);
 
@@ -1342,6 +1344,23 @@
         if (errorType == VpnManager.ERROR_CLASS_NOT_RECOVERABLE) {
             verify(mConnectivityManager, timeout(TEST_TIMEOUT_MS))
                     .unregisterNetworkCallback(eq(cb));
+        } else if (errorType == VpnManager.ERROR_CLASS_RECOVERABLE) {
+            // To prevent spending much time to test the retry function, only retry 2 times here.
+            int retryIndex = 0;
+            verify(mIkev2SessionCreator,
+                    timeout(((TestDeps) vpn.mDeps).getNextRetryDelaySeconds(retryIndex++) * 1000
+                            + TEST_TIMEOUT_MS))
+                    .createIkeSession(any(), any(), any(), any(), captor.capture(), any());
+
+            // Capture a new IkeSessionCallback to get the latest token.
+            reset(mIkev2SessionCreator);
+            final IkeSessionCallback ikeCb2 = captor.getValue();
+            ikeCb2.onClosedWithException(exception);
+            verify(mIkev2SessionCreator,
+                    timeout(((TestDeps) vpn.mDeps).getNextRetryDelaySeconds(retryIndex++) * 1000
+                            + TEST_TIMEOUT_MS))
+                    .createIkeSession(any(), any(), any(), any(), captor.capture(), any());
+            reset(mIkev2SessionCreator);
         }
     }
 
@@ -1350,7 +1369,7 @@
         final IkeProtocolException exception = mock(IkeProtocolException.class);
         final int errorCode = IkeProtocolException.ERROR_TYPE_AUTHENTICATION_FAILED;
         when(exception.getErrorType()).thenReturn(errorCode);
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_IKE_ERROR, VpnManager.ERROR_CLASS_NOT_RECOVERABLE,
                 errorCode);
     }
@@ -1360,7 +1379,7 @@
         final IkeProtocolException exception = mock(IkeProtocolException.class);
         final int errorCode = IkeProtocolException.ERROR_TYPE_TEMPORARY_FAILURE;
         when(exception.getErrorType()).thenReturn(errorCode);
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_IKE_ERROR, VpnManager.ERROR_CLASS_RECOVERABLE, errorCode);
     }
 
@@ -1370,7 +1389,7 @@
         final UnknownHostException unknownHostException = new UnknownHostException();
         final int errorCode = VpnManager.ERROR_CODE_NETWORK_UNKNOWN_HOST;
         when(exception.getCause()).thenReturn(unknownHostException);
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_NETWORK_ERROR, VpnManager.ERROR_CLASS_RECOVERABLE,
                 errorCode);
     }
@@ -1382,7 +1401,7 @@
                 new IkeTimeoutException("IkeTimeoutException");
         final int errorCode = VpnManager.ERROR_CODE_NETWORK_PROTOCOL_TIMEOUT;
         when(exception.getCause()).thenReturn(ikeTimeoutException);
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_NETWORK_ERROR, VpnManager.ERROR_CLASS_RECOVERABLE,
                 errorCode);
     }
@@ -1391,7 +1410,7 @@
     public void testStartPlatformVpnFailedWithIkeNetworkLostException() throws Exception {
         final IkeNetworkLostException exception = new IkeNetworkLostException(
                 new Network(100));
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_NETWORK_ERROR, VpnManager.ERROR_CLASS_RECOVERABLE,
                 VpnManager.ERROR_CODE_NETWORK_LOST);
     }
@@ -1402,7 +1421,7 @@
         final IOException ioException = new IOException();
         final int errorCode = VpnManager.ERROR_CODE_NETWORK_IO;
         when(exception.getCause()).thenReturn(ioException);
-        setupPlatformVpnWithSpecificExceptionAndItsErrorCode(exception,
+        doTestPlatformVpnWithException(exception,
                 VpnManager.CATEGORY_EVENT_NETWORK_ERROR, VpnManager.ERROR_CLASS_RECOVERABLE,
                 errorCode);
     }
@@ -1515,6 +1534,16 @@
         startRacoon("hostname", "5.6.7.8"); // address returned by deps.resolve
     }
 
+    @Test
+    public void testStartPptp() throws Exception {
+        startPptp(true /* useMppe */);
+    }
+
+    @Test
+    public void testStartPptp_NoMppe() throws Exception {
+        startPptp(false /* useMppe */);
+    }
+
     private void assertTransportInfoMatches(NetworkCapabilities nc, int type) {
         assertNotNull(nc);
         VpnTransportInfo ti = (VpnTransportInfo) nc.getTransportInfo();
@@ -1522,6 +1551,49 @@
         assertEquals(type, ti.getType());
     }
 
+    private void startPptp(boolean useMppe) throws Exception {
+        final VpnProfile profile = new VpnProfile("testProfile" /* key */);
+        profile.type = VpnProfile.TYPE_PPTP;
+        profile.name = "testProfileName";
+        profile.username = "userName";
+        profile.password = "thePassword";
+        profile.server = "192.0.2.123";
+        profile.mppe = useMppe;
+
+        doReturn(new Network[] { new Network(101) }).when(mConnectivityManager).getAllNetworks();
+        doReturn(new Network(102)).when(mConnectivityManager).registerNetworkAgent(any(), any(),
+                any(), any(), any(), any(), anyInt());
+
+        final Vpn vpn = startLegacyVpn(createVpn(primaryUser.id), profile);
+        final TestDeps deps = (TestDeps) vpn.mDeps;
+
+        // TODO: use import when this is merged in all branches and there's no merge conflict
+        com.android.testutils.Cleanup.testAndCleanup(() -> {
+            final String[] mtpdArgs = deps.mtpdArgs.get(10, TimeUnit.SECONDS);
+            final String[] argsPrefix = new String[]{
+                    EGRESS_IFACE, "pptp", profile.server, "1723", "name", profile.username,
+                    "password", profile.password, "linkname", "vpn", "refuse-eap", "nodefaultroute",
+                    "usepeerdns", "idle", "1800", "mtu", "1270", "mru", "1270"
+            };
+            assertArrayEquals(argsPrefix, Arrays.copyOf(mtpdArgs, argsPrefix.length));
+            if (useMppe) {
+                assertEquals(argsPrefix.length + 2, mtpdArgs.length);
+                assertEquals("+mppe", mtpdArgs[argsPrefix.length]);
+                assertEquals("-pap", mtpdArgs[argsPrefix.length + 1]);
+            } else {
+                assertEquals(argsPrefix.length + 1, mtpdArgs.length);
+                assertEquals("nomppe", mtpdArgs[argsPrefix.length]);
+            }
+
+            verify(mConnectivityManager, timeout(10_000)).registerNetworkAgent(any(), any(),
+                    any(), any(), any(), any(), anyInt());
+        }, () -> { // Cleanup
+                vpn.mVpnRunner.exitVpnRunner();
+                deps.getStateFile().delete(); // set to delete on exit, but this deletes it earlier
+                vpn.mVpnRunner.join(10_000); // wait for up to 10s for the runner to die and cleanup
+            });
+    }
+
     public void startRacoon(final String serverAddr, final String expectedAddr)
             throws Exception {
         final ConditionVariable legacyRunnerReady = new ConditionVariable();
@@ -1719,6 +1791,11 @@
         public DeviceIdleInternal getDeviceIdleInternal() {
             return mDeviceIdleInternal;
         }
+
+        public long getNextRetryDelaySeconds(int retryCount) {
+            // Simply return retryCount as the delay seconds for retrying.
+            return retryCount;
+        }
     }
 
     /**
diff --git a/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java b/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
index 9a8a72f..6f8eb06 100644
--- a/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
+++ b/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
@@ -68,7 +68,6 @@
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
@@ -302,7 +301,6 @@
         clearInvocations(mNetworkAgent);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceLinkStateForActiveProvisioningInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -318,22 +316,27 @@
         assertEquals(listener.expectOnResult(), TEST_IFACE);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceLinkStateForProvisionedInterface() throws Exception {
         initEthernetNetworkFactory();
         createAndVerifyProvisionedInterface(TEST_IFACE);
-        final TestNetworkManagementListener listener = new TestNetworkManagementListener();
+        final TestNetworkManagementListener listenerDown = new TestNetworkManagementListener();
+        final TestNetworkManagementListener listenerUp = new TestNetworkManagementListener();
 
-        final boolean ret =
-                mNetFactory.updateInterfaceLinkState(TEST_IFACE, false /* up */, listener);
+        final boolean retDown =
+                mNetFactory.updateInterfaceLinkState(TEST_IFACE, false /* up */, listenerDown);
 
-        assertTrue(ret);
+        assertTrue(retDown);
         verifyStop();
-        assertEquals(listener.expectOnResult(), TEST_IFACE);
+        assertEquals(listenerDown.expectOnResult(), TEST_IFACE);
+
+        final boolean retUp =
+                mNetFactory.updateInterfaceLinkState(TEST_IFACE, true /* up */, listenerUp);
+
+        assertTrue(retUp);
+        assertEquals(listenerUp.expectOnResult(), TEST_IFACE);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceLinkStateForUnprovisionedInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -351,7 +354,6 @@
         assertEquals(listener.expectOnResult(), TEST_IFACE);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceLinkStateForNonExistingInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -366,7 +368,6 @@
         listener.expectOnError();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceLinkStateWithNoChanges() throws Exception {
         initEthernetNetworkFactory();
@@ -381,7 +382,6 @@
         listener.expectOnError();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testProvisioningLoss() throws Exception {
         initEthernetNetworkFactory();
@@ -394,7 +394,6 @@
         verify(mIpClient).startProvisioning(any());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testProvisioningLossForDisappearedInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -416,7 +415,6 @@
         verify(mIpClient, never()).startProvisioning(any());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testLinkPropertiesChanged() throws Exception {
         initEthernetNetworkFactory();
@@ -428,7 +426,6 @@
         verify(mNetworkAgent).sendLinkPropertiesImpl(same(lp));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testNetworkUnwanted() throws Exception {
         initEthernetNetworkFactory();
@@ -439,7 +436,6 @@
         verifyStop();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testNetworkUnwantedWithStaleNetworkAgent() throws Exception {
         initEthernetNetworkFactory();
@@ -464,7 +460,6 @@
         verify(mNetworkAgent, never()).unregister();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testTransportOverrideIsCorrectlySet() throws Exception {
         initEthernetNetworkFactory();
@@ -486,7 +481,6 @@
                 ConnectivityManager.TYPE_NONE);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testReachabilityLoss() throws Exception {
         initEthernetNetworkFactory();
@@ -507,7 +501,6 @@
         return staleIpClientCallbacks;
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIgnoreOnIpLayerStartedCallbackForStaleCallback() throws Exception {
         initEthernetNetworkFactory();
@@ -520,7 +513,6 @@
         verify(mNetworkAgent, never()).register();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIgnoreOnIpLayerStoppedCallbackForStaleCallback() throws Exception {
         initEthernetNetworkFactory();
@@ -533,7 +525,6 @@
         verify(mIpClient, never()).startProvisioning(any());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIgnoreLinkPropertiesCallbackForStaleCallback() throws Exception {
         initEthernetNetworkFactory();
@@ -546,7 +537,6 @@
         verify(mNetworkAgent, never()).sendLinkPropertiesImpl(eq(lp));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIgnoreNeighborLossCallbackForStaleCallback() throws Exception {
         initEthernetNetworkFactory();
@@ -615,7 +605,6 @@
         }
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceCallsListenerCorrectlyOnSuccess() throws Exception {
         initEthernetNetworkFactory();
@@ -631,7 +620,6 @@
     }
 
     @DevSdkIgnoreRule.IgnoreUpTo(SC_V2) // TODO: Use to Build.VERSION_CODES.SC_V2 when available
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceAbortsOnConcurrentRemoveInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -641,7 +629,6 @@
     }
 
     @DevSdkIgnoreRule.IgnoreUpTo(SC_V2) // TODO: Use to Build.VERSION_CODES.SC_V2 when available
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceAbortsOnConcurrentUpdateInterfaceLinkState() throws Exception {
         initEthernetNetworkFactory();
@@ -651,7 +638,6 @@
     }
 
     @DevSdkIgnoreRule.IgnoreUpTo(SC_V2) // TODO: Use to Build.VERSION_CODES.SC_V2 when available
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceAbortsOnNetworkUneededRemovesAllRequests() throws Exception {
         initEthernetNetworkFactory();
@@ -696,7 +682,6 @@
         failedListener.expectOnError();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceRestartsAgentCorrectly() throws Exception {
         initEthernetNetworkFactory();
@@ -714,7 +699,6 @@
         verifyRestart(ipConfiguration);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceForNonExistingInterface() throws Exception {
         initEthernetNetworkFactory();
@@ -729,7 +713,6 @@
         listener.expectOnError();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateInterfaceWithNullIpConfiguration() throws Exception {
         initEthernetNetworkFactory();
diff --git a/tests/unit/java/com/android/server/ethernet/EthernetServiceImplTest.java b/tests/unit/java/com/android/server/ethernet/EthernetServiceImplTest.java
index e8e54f8..dd1f1ed 100644
--- a/tests/unit/java/com/android/server/ethernet/EthernetServiceImplTest.java
+++ b/tests/unit/java/com/android/server/ethernet/EthernetServiceImplTest.java
@@ -45,7 +45,6 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -94,7 +93,6 @@
         doReturn(shouldTrack).when(mEthernetTracker).isTrackingInterface(iface);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testSetConfigurationRejectsWhenEthNotStarted() {
         mEthernetServiceImpl.mStarted.set(false);
@@ -103,7 +101,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationRejectsWhenEthNotStarted() {
         mEthernetServiceImpl.mStarted.set(false);
@@ -113,7 +110,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkRejectsWhenEthNotStarted() {
         mEthernetServiceImpl.mStarted.set(false);
@@ -122,7 +118,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkRejectsWhenEthNotStarted() {
         mEthernetServiceImpl.mStarted.set(false);
@@ -131,7 +126,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationRejectsNullIface() {
         assertThrows(NullPointerException.class, () -> {
@@ -139,7 +133,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkRejectsNullIface() {
         assertThrows(NullPointerException.class, () -> {
@@ -147,7 +140,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkRejectsNullIface() {
         assertThrows(NullPointerException.class, () -> {
@@ -155,7 +147,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationWithCapabilitiesRejectsWithoutAutomotiveFeature() {
         toggleAutomotiveFeature(false);
@@ -164,7 +155,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationWithCapabilitiesWithAutomotiveFeature() {
         toggleAutomotiveFeature(false);
@@ -175,7 +165,6 @@
                 eq(UPDATE_REQUEST_WITHOUT_CAPABILITIES.getNetworkCapabilities()), isNull());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkRejectsWithoutAutomotiveFeature() {
         toggleAutomotiveFeature(false);
@@ -184,7 +173,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkRejectsWithoutAutomotiveFeature() {
         toggleAutomotiveFeature(false);
@@ -205,7 +193,6 @@
                         eq(Manifest.permission.MANAGE_TEST_NETWORKS), anyString());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationRejectsWithoutManageEthPermission() {
         denyManageEthPermission();
@@ -214,7 +201,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkRejectsWithoutManageEthPermission() {
         denyManageEthPermission();
@@ -223,7 +209,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkRejectsWithoutManageEthPermission() {
         denyManageEthPermission();
@@ -236,7 +221,6 @@
         when(mEthernetTracker.isValidTestInterface(eq(TEST_IFACE))).thenReturn(true);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationRejectsTestRequestWithoutTestPermission() {
         enableTestInterface();
@@ -246,7 +230,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkRejectsTestRequestWithoutTestPermission() {
         enableTestInterface();
@@ -256,7 +239,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkRejectsTestRequestWithoutTestPermission() {
         enableTestInterface();
@@ -266,7 +248,6 @@
         });
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfiguration() {
         mEthernetServiceImpl.updateConfiguration(TEST_IFACE, UPDATE_REQUEST, NULL_LISTENER);
@@ -276,21 +257,18 @@
                 eq(UPDATE_REQUEST.getNetworkCapabilities()), eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetwork() {
         mEthernetServiceImpl.connectNetwork(TEST_IFACE, NULL_LISTENER);
         verify(mEthernetTracker).connectNetwork(eq(TEST_IFACE), eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetwork() {
         mEthernetServiceImpl.disconnectNetwork(TEST_IFACE, NULL_LISTENER);
         verify(mEthernetTracker).disconnectNetwork(eq(TEST_IFACE), eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationAcceptsTestRequestWithNullCapabilities() {
         enableTestInterface();
@@ -304,7 +282,6 @@
                 eq(request.getNetworkCapabilities()), isNull());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationAcceptsRequestWithNullIpConfiguration() {
         mEthernetServiceImpl.updateConfiguration(TEST_IFACE, UPDATE_REQUEST_WITHOUT_IP_CONFIG,
@@ -314,7 +291,6 @@
                 eq(UPDATE_REQUEST_WITHOUT_IP_CONFIG.getNetworkCapabilities()), isNull());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationRejectsInvalidTestRequest() {
         enableTestInterface();
@@ -333,7 +309,6 @@
                 .setNetworkCapabilities(nc).build();
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfigurationForTestRequestDoesNotRequireAutoOrEthernetPermission() {
         enableTestInterface();
@@ -348,7 +323,6 @@
                 eq(request.getNetworkCapabilities()), eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkForTestRequestDoesNotRequireAutoOrNetPermission() {
         enableTestInterface();
@@ -359,7 +333,6 @@
         verify(mEthernetTracker).connectNetwork(eq(TEST_IFACE), eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkForTestRequestDoesNotRequireAutoOrNetPermission() {
         enableTestInterface();
@@ -377,7 +350,6 @@
         }
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testSetEthernetEnabled() {
         denyPermissions(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK);
diff --git a/tests/unit/java/com/android/server/ethernet/EthernetTrackerTest.java b/tests/unit/java/com/android/server/ethernet/EthernetTrackerTest.java
index e90d55d..93789ca 100644
--- a/tests/unit/java/com/android/server/ethernet/EthernetTrackerTest.java
+++ b/tests/unit/java/com/android/server/ethernet/EthernetTrackerTest.java
@@ -60,7 +60,6 @@
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
@@ -114,7 +113,6 @@
     /**
      * Test: Creation of various valid static IP configurations
      */
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void createStaticIpConfiguration() {
         // Empty gives default StaticIPConfiguration object
@@ -147,7 +145,6 @@
     /**
      * Test: Attempt creation of various bad static IP configurations
      */
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void createStaticIpConfiguration_Bad() {
         assertStaticConfigurationFails("ip=192.0.2.1/24 gateway= blah=20.20.20.20");  // Unknown key
@@ -191,7 +188,6 @@
     /**
      * Test: Attempt to create a capabilties with various valid sets of capabilities/transports
      */
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void createNetworkCapabilities() {
 
@@ -318,7 +314,6 @@
                         configTransports).build());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testCreateEthernetTrackerConfigReturnsCorrectValue() {
         final String capabilities = "2";
@@ -335,14 +330,12 @@
         assertEquals(transport, config.mTransport);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testCreateEthernetTrackerConfigThrowsNpeWithNullInput() {
         assertThrows(NullPointerException.class,
                 () -> EthernetTracker.createEthernetTrackerConfig(null));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testUpdateConfiguration() {
         final NetworkCapabilities capabilities = new NetworkCapabilities.Builder().build();
@@ -360,7 +353,6 @@
                 eq(TEST_IFACE), eq(ipConfig), eq(capabilities), eq(listener));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testConnectNetworkCorrectlyCallsFactory() {
         tracker.connectNetwork(TEST_IFACE, NULL_LISTENER);
@@ -370,7 +362,6 @@
                 eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testDisconnectNetworkCorrectlyCallsFactory() {
         tracker.disconnectNetwork(TEST_IFACE, NULL_LISTENER);
@@ -380,7 +371,6 @@
                 eq(NULL_LISTENER));
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIsValidTestInterfaceIsFalseWhenTestInterfacesAreNotIncluded() {
         final String validIfaceName = TEST_TAP_PREFIX + "123";
@@ -392,7 +382,6 @@
         assertFalse(isValidTestInterface);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIsValidTestInterfaceIsFalseWhenTestInterfaceNameIsInvalid() {
         final String invalidIfaceName = "123" + TEST_TAP_PREFIX;
@@ -404,7 +393,6 @@
         assertFalse(isValidTestInterface);
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testIsValidTestInterfaceIsTrueWhenTestInterfacesIncludedAndValidName() {
         final String validIfaceName = TEST_TAP_PREFIX + "123";
@@ -434,7 +422,6 @@
         return ifaceParcel;
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testListenEthernetStateChange() throws Exception {
         tracker.setIncludeTestInterfaces(true);
@@ -487,7 +474,6 @@
                 anyInt(), any());
     }
 
-    @Ignore("TODO: temporarily ignore tests until prebuilts are updated")
     @Test
     public void testListenEthernetStateChange_unsolicitedEventListener() throws Exception {
         when(mNetd.interfaceGetList()).thenReturn(new String[] {});