diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 8b9b0c1..dcf3b5c 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1725,7 +1725,6 @@
         @UnsupportedAppUsage
         public PacketKeepaliveCallback() {
         }
-
         /** The requested keepalive was successfully started. */
         @UnsupportedAppUsage
         public void onStarted() {}
@@ -3177,6 +3176,7 @@
      * @hide
      */
     @RequiresPermission(anyOf = {
+            android.Manifest.permission.NETWORK_AIRPLANE_MODE,
             android.Manifest.permission.NETWORK_SETTINGS,
             android.Manifest.permission.NETWORK_SETUP_WIZARD,
             android.Manifest.permission.NETWORK_STACK})
@@ -3303,7 +3303,6 @@
             android.Manifest.permission.NETWORK_FACTORY})
     public Network registerNetworkAgent(Messenger messenger, NetworkInfo ni, LinkProperties lp,
             NetworkCapabilities nc, int score, NetworkAgentConfig config, int providerId) {
-
         try {
             return mService.registerNetworkAgent(messenger, ni, lp, nc, score, config, providerId);
         } catch (RemoteException e) {
diff --git a/core/java/android/net/InvalidPacketException.java b/core/java/android/net/InvalidPacketException.java
index b3b0f11..1873d77 100644
--- a/core/java/android/net/InvalidPacketException.java
+++ b/core/java/android/net/InvalidPacketException.java
@@ -27,7 +27,7 @@
  * @hide
  */
 @SystemApi
-public class InvalidPacketException extends Exception {
+public final class InvalidPacketException extends Exception {
     private final int mError;
 
     // Must match SocketKeepalive#ERROR_INVALID_IP_ADDRESS.
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 3d641f5..b872617 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -517,7 +517,7 @@
     }
 
     /** @hide */
-    public void writeToProto(ProtoOutputStream proto, long fieldId) {
+    public void dumpDebug(ProtoOutputStream proto, long fieldId) {
         final long token = proto.start(fieldId);
         proto.write(NetworkProto.NET_ID, netId);
         proto.end(token);
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index 482d2d2..327e42b 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -354,8 +354,7 @@
     private static NetworkInfo getLegacyNetworkInfo(final NetworkAgentConfig config) {
         // The subtype can be changed with (TODO) setLegacySubtype, but it starts
         // with the type and an empty description.
-        final NetworkInfo ni = new NetworkInfo(config.legacyType, config.legacyType,
-                config.legacyTypeName, "");
+        final NetworkInfo ni = new NetworkInfo(config.legacyType, 0, config.legacyTypeName, "");
         ni.setIsAvailable(true);
         ni.setExtraInfo(config.getLegacyExtraInfo());
         return ni;
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index ec87091..004f844 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -1843,7 +1843,7 @@
     }
 
     /** @hide */
-    public void writeToProto(@NonNull ProtoOutputStream proto, long fieldId) {
+    public void dumpDebug(@NonNull ProtoOutputStream proto, long fieldId) {
         final long token = proto.start(fieldId);
 
         for (int transport : getTransportTypes()) {
@@ -2137,7 +2137,7 @@
      */
     @SystemApi
     @TestApi
-    public static class Builder {
+    public static final class Builder {
         private final NetworkCapabilities mCaps;
 
         /**
diff --git a/core/java/android/net/NetworkRequest.java b/core/java/android/net/NetworkRequest.java
index 261a163..473e6c5 100644
--- a/core/java/android/net/NetworkRequest.java
+++ b/core/java/android/net/NetworkRequest.java
@@ -542,13 +542,13 @@
     }
 
     /** @hide */
-    public void writeToProto(ProtoOutputStream proto, long fieldId) {
+    public void dumpDebug(ProtoOutputStream proto, long fieldId) {
         final long token = proto.start(fieldId);
 
         proto.write(NetworkRequestProto.TYPE, typeToProtoEnum(type));
         proto.write(NetworkRequestProto.REQUEST_ID, requestId);
         proto.write(NetworkRequestProto.LEGACY_TYPE, legacyType);
-        networkCapabilities.writeToProto(proto, NetworkRequestProto.NETWORK_CAPABILITIES);
+        networkCapabilities.dumpDebug(proto, NetworkRequestProto.NETWORK_CAPABILITIES);
 
         proto.end(token);
     }
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 7d6135b..8d4c4e5 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -95,12 +95,11 @@
 {
     int optval_ignored = 0;
     int fd = jniGetFDFromFileDescriptor(env, javaFd);
-    if (setsockopt(
-            fd, SOL_SOCKET, SO_DETACH_FILTER, &optval_ignored, sizeof(optval_ignored)) != 0) {
+    if (setsockopt(fd, SOL_SOCKET, SO_DETACH_FILTER, &optval_ignored, sizeof(optval_ignored)) !=
+        0) {
         jniThrowExceptionFmt(env, "java/net/SocketException",
                 "setsockopt(SO_DETACH_FILTER): %s", strerror(errno));
     }
-
 }
 
 static jboolean android_net_utils_bindProcessToNetwork(JNIEnv *env, jobject thiz, jint netId)
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 81bbf68..ef62a99 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2160,6 +2160,15 @@
                 NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK);
     }
 
+    private void enforceAirplaneModePermission() {
+        enforceAnyPermissionOf(
+                android.Manifest.permission.NETWORK_AIRPLANE_MODE,
+                android.Manifest.permission.NETWORK_SETTINGS,
+                android.Manifest.permission.NETWORK_SETUP_WIZARD,
+                android.Manifest.permission.NETWORK_STACK,
+                NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK);
+    }
+
     private boolean checkNetworkStackPermission() {
         return checkAnyPermissionOf(
                 android.Manifest.permission.NETWORK_STACK,
@@ -5075,7 +5084,7 @@
 
     @Override
     public void setAirplaneMode(boolean enable) {
-        enforceNetworkStackSettingsOrSetup();
+        enforceAirplaneModePermission();
         final long ident = Binder.clearCallingIdentity();
         try {
             final ContentResolver cr = mContext.getContentResolver();
diff --git a/tests/net/java/android/net/TelephonyNetworkSpecifierTest.java b/tests/net/java/android/net/TelephonyNetworkSpecifierTest.java
index 47afed4..efb9203 100644
--- a/tests/net/java/android/net/TelephonyNetworkSpecifierTest.java
+++ b/tests/net/java/android/net/TelephonyNetworkSpecifierTest.java
@@ -19,7 +19,10 @@
 import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
+import android.net.wifi.WifiNetworkSpecifier;
 import android.telephony.SubscriptionManager;
 
 import androidx.test.filters.SmallTest;
@@ -32,6 +35,7 @@
 @SmallTest
 public class TelephonyNetworkSpecifierTest {
     private static final int TEST_SUBID = 5;
+    private static final String TEST_SSID = "Test123";
 
     /**
      * Validate that IllegalArgumentException will be thrown if build TelephonyNetworkSpecifier
@@ -79,4 +83,31 @@
                 .build();
         assertParcelSane(specifier, 1 /* fieldCount */);
     }
+
+    /**
+     * Validate the behavior of method canBeSatisfiedBy().
+     */
+    @Test
+    public void testCanBeSatisfiedBy() {
+        final TelephonyNetworkSpecifier tns1 = new TelephonyNetworkSpecifier.Builder()
+                .setSubscriptionId(TEST_SUBID)
+                .build();
+        final TelephonyNetworkSpecifier tns2 = new TelephonyNetworkSpecifier.Builder()
+                .setSubscriptionId(TEST_SUBID)
+                .build();
+        final WifiNetworkSpecifier wns = new WifiNetworkSpecifier.Builder()
+                .setSsid(TEST_SSID)
+                .build();
+        final MatchAllNetworkSpecifier mans = new MatchAllNetworkSpecifier();
+
+        // Test equality
+        assertEquals(tns1, tns2);
+        assertTrue(tns1.canBeSatisfiedBy(tns1));
+        assertTrue(tns1.canBeSatisfiedBy(tns2));
+
+        // Test other edge cases.
+        assertFalse(tns1.canBeSatisfiedBy(null));
+        assertFalse(tns1.canBeSatisfiedBy(wns));
+        assertTrue(tns1.canBeSatisfiedBy(mans));
+    }
 }
diff --git a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
index 79343de..a384687 100644
--- a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
@@ -55,7 +55,6 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
-import android.content.pm.PackageList;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManagerInternal;
 import android.content.pm.UserInfo;
@@ -71,6 +70,7 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.LocalServices;
+import com.android.server.pm.PackageList;
 
 import org.junit.Before;
 import org.junit.Test;