diff --git a/framework/Android.bp b/framework/Android.bp
index 017ff51..657d5a3 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -25,6 +25,7 @@
 
 java_library {
     name: "framework-connectivity-protos",
+    sdk_version: "module_current",
     proto: {
         type: "nano",
     },
@@ -82,8 +83,7 @@
     name: "framework-connectivity",
     api_only: true,
     defaults: ["framework-module-defaults"],
-    // TODO: build against module API
-    platform_apis: true,
+    installable: true,
     srcs: [
         ":framework-connectivity-sources",
     ],
@@ -100,18 +100,56 @@
     libs: [
         "unsupportedappusage",
     ],
-    permitted_packages: ["android.net", "com.android.connectivity.aidl"],
+    permitted_packages: ["android.net"],
+}
+
+cc_defaults {
+    name: "libframework-connectivity-defaults",
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-unused-parameter",
+        "-Wthread-safety",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libnativehelper",
+        "libnetd_client",
+    ],
+    header_libs: [
+        "dnsproxyd_protocol_headers",
+    ],
+}
+
+cc_library_static {
+    name: "libconnectivityframeworkutils",
+    defaults: ["libframework-connectivity-defaults"],
+    srcs: [
+        "jni/android_net_NetworkUtils.cpp",
+    ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
+}
+
+cc_library_shared {
+    name: "libframework-connectivity-jni",
+    defaults: ["libframework-connectivity-defaults"],
+    srcs: [
+        "jni/onload.cpp",
+    ],
+    static_libs: ["libconnectivityframeworkutils"],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
 }
 
 java_library {
     name: "framework-connectivity.impl",
-    // Instead of building against private API (framework.jar),
-    // build against core_platform + framework-minus-apex + module
-    // stub libs. This allows framework.jar to depend on this library,
-    // so it can be part of the private API until all clients have been migrated.
-    // TODO: just build against module_api, and remove this jar from
-    // the private API.
-    sdk_version: "core_platform",
+    sdk_version: "module_current",
     srcs: [
         ":framework-connectivity-sources",
     ],
@@ -122,12 +160,11 @@
         ],
     },
     libs: [
-        "framework-minus-apex",
-        // TODO: just framework-tethering, framework-wifi when building against module_api
-        "framework-tethering.stubs.module_lib",
-        "framework-wifi.stubs.module_lib",
+        // TODO (b/183097033) remove once module_current includes core_current
+        "stable.core.platform.api.stubs",
+        "framework-tethering",
+        "framework-wifi",
         "unsupportedappusage",
-        "ServiceConnectivityResources",
     ],
     static_libs: [
         "framework-connectivity-protos",
@@ -136,5 +173,5 @@
     jarjar_rules: "jarjar-rules.txt",
     apex_available: ["com.android.tethering"],
     installable: true,
-    permitted_packages: ["android.net", "com.android.connectivity.aidl"],
+    permitted_packages: ["android.net"],
 }
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 90580fa..78dff21 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -109,7 +109,7 @@
 
   public final class NetworkCapabilities implements android.os.Parcelable {
     method @Nullable public java.util.Set<android.util.Range<java.lang.Integer>> getUids();
-    method public boolean hasUnwantedCapability(int);
+    method public boolean hasForbiddenCapability(int);
     field public static final long REDACT_ALL = -1L; // 0xffffffffffffffffL
     field public static final long REDACT_FOR_ACCESS_FINE_LOCATION = 1L; // 0x1L
     field public static final long REDACT_FOR_LOCAL_MAC_ADDRESS = 2L; // 0x2L
@@ -123,13 +123,13 @@
   }
 
   public class NetworkRequest implements android.os.Parcelable {
-    method @NonNull public int[] getUnwantedCapabilities();
-    method public boolean hasUnwantedCapability(int);
+    method @NonNull public int[] getForbiddenCapabilities();
+    method public boolean hasForbiddenCapability(int);
   }
 
   public static class NetworkRequest.Builder {
-    method @NonNull public android.net.NetworkRequest.Builder addUnwantedCapability(int);
-    method @NonNull public android.net.NetworkRequest.Builder removeUnwantedCapability(int);
+    method @NonNull public android.net.NetworkRequest.Builder addForbiddenCapability(int);
+    method @NonNull public android.net.NetworkRequest.Builder removeForbiddenCapability(int);
     method @NonNull public android.net.NetworkRequest.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
   }
 
diff --git a/framework/jni/android_net_NetworkUtils.cpp b/framework/jni/android_net_NetworkUtils.cpp
new file mode 100644
index 0000000..48e262a
--- /dev/null
+++ b/framework/jni/android_net_NetworkUtils.cpp
@@ -0,0 +1,274 @@
+/*
+ * Copyright 2020, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "NetworkUtils"
+
+#include <vector>
+
+#include <android/file_descriptor_jni.h>
+#include <arpa/inet.h>
+#include <linux/filter.h>
+#include <linux/if_arp.h>
+#include <linux/tcp.h>
+#include <net/if.h>
+#include <netinet/ether.h>
+#include <netinet/ip.h>
+#include <netinet/udp.h>
+
+#include <DnsProxydProtocol.h> // NETID_USE_LOCAL_NAMESERVERS
+#include <cutils/properties.h>
+#include <nativehelper/JNIHelp.h>
+#include <nativehelper/JNIPlatformHelp.h>
+#include <nativehelper/ScopedLocalRef.h>
+#include <utils/Log.h>
+#include <utils/misc.h>
+
+#include "NetdClient.h"
+#include "jni.h"
+
+extern "C" {
+int ifc_enable(const char *ifname);
+int ifc_disable(const char *ifname);
+}
+
+#define NETUTILS_PKG_NAME "android/net/NetworkUtils"
+
+namespace android {
+
+constexpr int MAXPACKETSIZE = 8 * 1024;
+// FrameworkListener limits the size of commands to 4096 bytes.
+constexpr int MAXCMDSIZE = 4096;
+
+static inline jclass FindClassOrDie(JNIEnv* env, const char* class_name) {
+    jclass clazz = env->FindClass(class_name);
+    LOG_ALWAYS_FATAL_IF(clazz == NULL, "Unable to find class %s", class_name);
+    return clazz;
+}
+
+template <typename T>
+static inline T MakeGlobalRefOrDie(JNIEnv* env, T in) {
+    jobject res = env->NewGlobalRef(in);
+    LOG_ALWAYS_FATAL_IF(res == NULL, "Unable to create global reference.");
+    return static_cast<T>(res);
+}
+
+static void android_net_utils_attachDropAllBPFFilter(JNIEnv *env, jobject clazz, jobject javaFd)
+{
+    struct sock_filter filter_code[] = {
+        // Reject all.
+        BPF_STMT(BPF_RET | BPF_K, 0)
+    };
+    struct sock_fprog filter = {
+        sizeof(filter_code) / sizeof(filter_code[0]),
+        filter_code,
+    };
+
+    int fd = AFileDescriptor_getFD(env, javaFd);
+    if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(SO_ATTACH_FILTER): %s", strerror(errno));
+    }
+}
+
+static void android_net_utils_detachBPFFilter(JNIEnv *env, jobject clazz, jobject javaFd)
+{
+    int optval_ignored = 0;
+    int fd = AFileDescriptor_getFD(env, javaFd);
+    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)
+{
+    return (jboolean) !setNetworkForProcess(netId);
+}
+
+static jint android_net_utils_getBoundNetworkForProcess(JNIEnv *env, jobject thiz)
+{
+    return getNetworkForProcess();
+}
+
+static jboolean android_net_utils_bindProcessToNetworkForHostResolution(JNIEnv *env, jobject thiz,
+        jint netId)
+{
+    return (jboolean) !setNetworkForResolv(netId);
+}
+
+static jint android_net_utils_bindSocketToNetwork(JNIEnv *env, jobject thiz, jobject javaFd,
+                                                  jint netId) {
+    return setNetworkForSocket(netId, AFileDescriptor_getFD(env, javaFd));
+}
+
+static bool checkLenAndCopy(JNIEnv* env, const jbyteArray& addr, int len, void* dst)
+{
+    if (env->GetArrayLength(addr) != len) {
+        return false;
+    }
+    env->GetByteArrayRegion(addr, 0, len, reinterpret_cast<jbyte*>(dst));
+    return true;
+}
+
+static jobject android_net_utils_resNetworkQuery(JNIEnv *env, jobject thiz, jint netId,
+        jstring dname, jint ns_class, jint ns_type, jint flags) {
+    const jsize javaCharsCount = env->GetStringLength(dname);
+    const jsize byteCountUTF8 = env->GetStringUTFLength(dname);
+
+    // Only allow dname which could be simply formatted to UTF8.
+    // In native layer, res_mkquery would re-format the input char array to packet.
+    std::vector<char> queryname(byteCountUTF8 + 1, 0);
+
+    env->GetStringUTFRegion(dname, 0, javaCharsCount, queryname.data());
+    int fd = resNetworkQuery(netId, queryname.data(), ns_class, ns_type, flags);
+
+    if (fd < 0) {
+        jniThrowErrnoException(env, "resNetworkQuery", -fd);
+        return nullptr;
+    }
+
+    return jniCreateFileDescriptor(env, fd);
+}
+
+static jobject android_net_utils_resNetworkSend(JNIEnv *env, jobject thiz, jint netId,
+        jbyteArray msg, jint msgLen, jint flags) {
+    uint8_t data[MAXCMDSIZE];
+
+    checkLenAndCopy(env, msg, msgLen, data);
+    int fd = resNetworkSend(netId, data, msgLen, flags);
+
+    if (fd < 0) {
+        jniThrowErrnoException(env, "resNetworkSend", -fd);
+        return nullptr;
+    }
+
+    return jniCreateFileDescriptor(env, fd);
+}
+
+static jobject android_net_utils_resNetworkResult(JNIEnv *env, jobject thiz, jobject javaFd) {
+    int fd = AFileDescriptor_getFD(env, javaFd);
+    int rcode;
+    std::vector<uint8_t> buf(MAXPACKETSIZE, 0);
+
+    int res = resNetworkResult(fd, &rcode, buf.data(), MAXPACKETSIZE);
+    jniSetFileDescriptorOfFD(env, javaFd, -1);
+    if (res < 0) {
+        jniThrowErrnoException(env, "resNetworkResult", -res);
+        return nullptr;
+    }
+
+    jbyteArray answer = env->NewByteArray(res);
+    if (answer == nullptr) {
+        jniThrowErrnoException(env, "resNetworkResult", ENOMEM);
+        return nullptr;
+    } else {
+        env->SetByteArrayRegion(answer, 0, res,
+                reinterpret_cast<jbyte*>(buf.data()));
+    }
+
+    jclass class_DnsResponse = env->FindClass("android/net/DnsResolver$DnsResponse");
+    jmethodID ctor = env->GetMethodID(class_DnsResponse, "<init>", "([BI)V");
+
+    return env->NewObject(class_DnsResponse, ctor, answer, rcode);
+}
+
+static void android_net_utils_resNetworkCancel(JNIEnv *env, jobject thiz, jobject javaFd) {
+    int fd = AFileDescriptor_getFD(env, javaFd);
+    resNetworkCancel(fd);
+    jniSetFileDescriptorOfFD(env, javaFd, -1);
+}
+
+static jobject android_net_utils_getDnsNetwork(JNIEnv *env, jobject thiz) {
+    unsigned dnsNetId = 0;
+    if (int res = getNetworkForDns(&dnsNetId) < 0) {
+        jniThrowErrnoException(env, "getDnsNetId", -res);
+        return nullptr;
+    }
+    bool privateDnsBypass = dnsNetId & NETID_USE_LOCAL_NAMESERVERS;
+
+    static jclass class_Network = MakeGlobalRefOrDie(
+            env, FindClassOrDie(env, "android/net/Network"));
+    static jmethodID ctor = env->GetMethodID(class_Network, "<init>", "(IZ)V");
+    return env->NewObject(
+            class_Network, ctor, dnsNetId & ~NETID_USE_LOCAL_NAMESERVERS, privateDnsBypass);
+}
+
+static jobject android_net_utils_getTcpRepairWindow(JNIEnv *env, jobject thiz, jobject javaFd) {
+    if (javaFd == NULL) {
+        jniThrowNullPointerException(env, NULL);
+        return NULL;
+    }
+
+    int fd = AFileDescriptor_getFD(env, javaFd);
+    struct tcp_repair_window trw = {};
+    socklen_t size = sizeof(trw);
+
+    // Obtain the parameters of the TCP repair window.
+    int rc = getsockopt(fd, IPPROTO_TCP, TCP_REPAIR_WINDOW, &trw, &size);
+    if (rc == -1) {
+        jniThrowErrnoException(env, "getsockopt : TCP_REPAIR_WINDOW", errno);
+        return NULL;
+    }
+
+    struct tcp_info tcpinfo = {};
+    socklen_t tcpinfo_size = sizeof(tcp_info);
+
+    // Obtain the window scale from the tcp info structure. This contains a scale factor that
+    // should be applied to the window size.
+    rc = getsockopt(fd, IPPROTO_TCP, TCP_INFO, &tcpinfo, &tcpinfo_size);
+    if (rc == -1) {
+        jniThrowErrnoException(env, "getsockopt : TCP_INFO", errno);
+        return NULL;
+    }
+
+    jclass class_TcpRepairWindow = env->FindClass("android/net/TcpRepairWindow");
+    jmethodID ctor = env->GetMethodID(class_TcpRepairWindow, "<init>", "(IIIIII)V");
+
+    return env->NewObject(class_TcpRepairWindow, ctor, trw.snd_wl1, trw.snd_wnd, trw.max_window,
+            trw.rcv_wnd, trw.rcv_wup, tcpinfo.tcpi_rcv_wscale);
+}
+
+// ----------------------------------------------------------------------------
+
+/*
+ * JNI registration.
+ */
+// clang-format off
+static const JNINativeMethod gNetworkUtilMethods[] = {
+    /* name, signature, funcPtr */
+    { "bindProcessToNetwork", "(I)Z", (void*) android_net_utils_bindProcessToNetwork },
+    { "getBoundNetworkForProcess", "()I", (void*) android_net_utils_getBoundNetworkForProcess },
+    { "bindProcessToNetworkForHostResolution", "(I)Z", (void*) android_net_utils_bindProcessToNetworkForHostResolution },
+    { "bindSocketToNetwork", "(Ljava/io/FileDescriptor;I)I", (void*) android_net_utils_bindSocketToNetwork },
+    { "attachDropAllBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_attachDropAllBPFFilter },
+    { "detachBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_detachBPFFilter },
+    { "getTcpRepairWindow", "(Ljava/io/FileDescriptor;)Landroid/net/TcpRepairWindow;", (void*) android_net_utils_getTcpRepairWindow },
+    { "resNetworkSend", "(I[BII)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkSend },
+    { "resNetworkQuery", "(ILjava/lang/String;III)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkQuery },
+    { "resNetworkResult", "(Ljava/io/FileDescriptor;)Landroid/net/DnsResolver$DnsResponse;", (void*) android_net_utils_resNetworkResult },
+    { "resNetworkCancel", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_resNetworkCancel },
+    { "getDnsNetwork", "()Landroid/net/Network;", (void*) android_net_utils_getDnsNetwork },
+};
+// clang-format on
+
+int register_android_net_NetworkUtils(JNIEnv* env)
+{
+    return jniRegisterNativeMethods(env, NETUTILS_PKG_NAME, gNetworkUtilMethods,
+                                    NELEM(gNetworkUtilMethods));
+}
+
+}; // namespace android
diff --git a/framework/jni/onload.cpp b/framework/jni/onload.cpp
new file mode 100644
index 0000000..435f434
--- /dev/null
+++ b/framework/jni/onload.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <nativehelper/JNIHelp.h>
+#include <log/log.h>
+
+namespace android {
+
+int register_android_net_NetworkUtils(JNIEnv* env);
+
+extern "C" jint JNI_OnLoad(JavaVM* vm, void*) {
+    JNIEnv *env;
+    if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
+        ALOGE("GetEnv failed");
+        return JNI_ERR;
+    }
+
+    if (register_android_net_NetworkUtils(env) < 0) {
+        return JNI_ERR;
+    }
+
+    return JNI_VERSION_1_6;
+}
+
+};
\ No newline at end of file
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 937a9d2..4a99d29 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -183,7 +183,7 @@
             throw new UnsupportedOperationException(
                     "Cannot clear NetworkCapabilities when mRedactions is set");
         }
-        mNetworkCapabilities = mTransportTypes = mUnwantedNetworkCapabilities = 0;
+        mNetworkCapabilities = mTransportTypes = mForbiddenNetworkCapabilities = 0;
         mLinkUpBandwidthKbps = mLinkDownBandwidthKbps = LINK_BANDWIDTH_UNSPECIFIED;
         mNetworkSpecifier = null;
         mTransportInfo = null;
@@ -219,7 +219,7 @@
         mUids = (nc.mUids == null) ? null : new ArraySet<>(nc.mUids);
         setAdministratorUids(nc.getAdministratorUids());
         mOwnerUid = nc.mOwnerUid;
-        mUnwantedNetworkCapabilities = nc.mUnwantedNetworkCapabilities;
+        mForbiddenNetworkCapabilities = nc.mForbiddenNetworkCapabilities;
         mSSID = nc.mSSID;
         mPrivateDnsBroken = nc.mPrivateDnsBroken;
         mRequestorUid = nc.mRequestorUid;
@@ -237,7 +237,7 @@
     /**
      * If any capabilities specified here they must not exist in the matching Network.
      */
-    private long mUnwantedNetworkCapabilities;
+    private long mForbiddenNetworkCapabilities;
 
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
@@ -586,21 +586,21 @@
      * @hide
      */
     public @NonNull NetworkCapabilities addCapability(@NetCapability int capability) {
-        // If the given capability was previously added to the list of unwanted capabilities
-        // then the capability will also be removed from the list of unwanted capabilities.
-        // TODO: Consider adding unwanted capabilities to the public API and mention this
+        // If the given capability was previously added to the list of forbidden capabilities
+        // then the capability will also be removed from the list of forbidden capabilities.
+        // TODO: Consider adding forbidden capabilities to the public API and mention this
         // in the documentation.
         checkValidCapability(capability);
         mNetworkCapabilities |= 1L << capability;
-        // remove from unwanted capability list
-        mUnwantedNetworkCapabilities &= ~(1L << capability);
+        // remove from forbidden capability list
+        mForbiddenNetworkCapabilities &= ~(1L << capability);
         return this;
     }
 
     /**
-     * Adds the given capability to the list of unwanted capabilities of this
+     * Adds the given capability to the list of forbidden capabilities of this
      * {@code NetworkCapability} instance. Note that when searching for a network to
-     * satisfy a request, the network must not contain any capability from unwanted capability
+     * satisfy a request, the network must not contain any capability from forbidden capability
      * list.
      * <p>
      * If the capability was previously added to the list of required capabilities (for
@@ -610,9 +610,9 @@
      * @see #addCapability(int)
      * @hide
      */
-    public void addUnwantedCapability(@NetCapability int capability) {
+    public void addForbiddenCapability(@NetCapability int capability) {
         checkValidCapability(capability);
-        mUnwantedNetworkCapabilities |= 1L << capability;
+        mForbiddenNetworkCapabilities |= 1L << capability;
         mNetworkCapabilities &= ~(1L << capability);  // remove from requested capabilities
     }
 
@@ -632,16 +632,16 @@
     }
 
     /**
-     * Removes (if found) the given unwanted capability from this {@code NetworkCapability}
-     * instance that were added via addUnwantedCapability(int) or setCapabilities(int[], int[]).
+     * Removes (if found) the given forbidden capability from this {@code NetworkCapability}
+     * instance that were added via addForbiddenCapability(int) or setCapabilities(int[], int[]).
      *
      * @param capability the capability to be removed.
      * @return This NetworkCapabilities instance, to facilitate chaining.
      * @hide
      */
-    public @NonNull NetworkCapabilities removeUnwantedCapability(@NetCapability int capability) {
+    public @NonNull NetworkCapabilities removeForbiddenCapability(@NetCapability int capability) {
         checkValidCapability(capability);
-        mUnwantedNetworkCapabilities &= ~(1L << capability);
+        mForbiddenNetworkCapabilities &= ~(1L << capability);
         return this;
     }
 
@@ -670,13 +670,13 @@
     }
 
     /**
-     * Gets all the unwanted capabilities set on this {@code NetworkCapability} instance.
+     * Gets all the forbidden capabilities set on this {@code NetworkCapability} instance.
      *
-     * @return an array of unwanted capability values for this instance.
+     * @return an array of forbidden capability values for this instance.
      * @hide
      */
-    public @NetCapability int[] getUnwantedCapabilities() {
-        return NetworkCapabilitiesUtils.unpackBits(mUnwantedNetworkCapabilities);
+    public @NetCapability int[] getForbiddenCapabilities() {
+        return NetworkCapabilitiesUtils.unpackBits(mForbiddenNetworkCapabilities);
     }
 
 
@@ -687,9 +687,9 @@
      * @hide
      */
     public void setCapabilities(@NetCapability int[] capabilities,
-            @NetCapability int[] unwantedCapabilities) {
+            @NetCapability int[] forbiddenCapabilities) {
         mNetworkCapabilities = NetworkCapabilitiesUtils.packBits(capabilities);
-        mUnwantedNetworkCapabilities = NetworkCapabilitiesUtils.packBits(unwantedCapabilities);
+        mForbiddenNetworkCapabilities = NetworkCapabilitiesUtils.packBits(forbiddenCapabilities);
     }
 
     /**
@@ -714,9 +714,9 @@
 
     /** @hide */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-    public boolean hasUnwantedCapability(@NetCapability int capability) {
+    public boolean hasForbiddenCapability(@NetCapability int capability) {
         return isValidCapability(capability)
-                && ((mUnwantedNetworkCapabilities & (1L << capability)) != 0);
+                && ((mForbiddenNetworkCapabilities & (1L << capability)) != 0);
     }
 
     /**
@@ -746,14 +746,14 @@
 
     private void combineNetCapabilities(@NonNull NetworkCapabilities nc) {
         final long wantedCaps = this.mNetworkCapabilities | nc.mNetworkCapabilities;
-        final long unwantedCaps =
-                this.mUnwantedNetworkCapabilities | nc.mUnwantedNetworkCapabilities;
-        if ((wantedCaps & unwantedCaps) != 0) {
+        final long forbiddenCaps =
+                this.mForbiddenNetworkCapabilities | nc.mForbiddenNetworkCapabilities;
+        if ((wantedCaps & forbiddenCaps) != 0) {
             throw new IllegalArgumentException(
-                    "Cannot have the same capability in wanted and unwanted lists.");
+                    "Cannot have the same capability in wanted and forbidden lists.");
         }
         this.mNetworkCapabilities = wantedCaps;
-        this.mUnwantedNetworkCapabilities = unwantedCaps;
+        this.mForbiddenNetworkCapabilities = forbiddenCaps;
     }
 
     /**
@@ -764,7 +764,7 @@
      * @hide
      */
     public @Nullable String describeFirstNonRequestableCapability() {
-        final long nonRequestable = (mNetworkCapabilities | mUnwantedNetworkCapabilities)
+        final long nonRequestable = (mNetworkCapabilities | mForbiddenNetworkCapabilities)
                 & NON_REQUESTABLE_CAPABILITIES;
 
         if (nonRequestable != 0) {
@@ -781,28 +781,28 @@
     private boolean satisfiedByNetCapabilities(@NonNull NetworkCapabilities nc,
             boolean onlyImmutable) {
         long requestedCapabilities = mNetworkCapabilities;
-        long requestedUnwantedCapabilities = mUnwantedNetworkCapabilities;
+        long requestedForbiddenCapabilities = mForbiddenNetworkCapabilities;
         long providedCapabilities = nc.mNetworkCapabilities;
 
         if (onlyImmutable) {
             requestedCapabilities &= ~MUTABLE_CAPABILITIES;
-            requestedUnwantedCapabilities &= ~MUTABLE_CAPABILITIES;
+            requestedForbiddenCapabilities &= ~MUTABLE_CAPABILITIES;
         }
         return ((providedCapabilities & requestedCapabilities) == requestedCapabilities)
-                && ((requestedUnwantedCapabilities & providedCapabilities) == 0);
+                && ((requestedForbiddenCapabilities & providedCapabilities) == 0);
     }
 
     /** @hide */
     public boolean equalsNetCapabilities(@NonNull NetworkCapabilities nc) {
         return (nc.mNetworkCapabilities == this.mNetworkCapabilities)
-                && (nc.mUnwantedNetworkCapabilities == this.mUnwantedNetworkCapabilities);
+                && (nc.mForbiddenNetworkCapabilities == this.mForbiddenNetworkCapabilities);
     }
 
     private boolean equalsNetCapabilitiesRequestable(@NonNull NetworkCapabilities that) {
-        return ((this.mNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES) ==
-                (that.mNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES))
-                && ((this.mUnwantedNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES) ==
-                (that.mUnwantedNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES));
+        return ((this.mNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES)
+                == (that.mNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES))
+                && ((this.mForbiddenNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES)
+                == (that.mForbiddenNetworkCapabilities & ~NON_REQUESTABLE_CAPABILITIES));
     }
 
     /**
@@ -830,8 +830,17 @@
         final int[] originalAdministratorUids = getAdministratorUids();
         final TransportInfo originalTransportInfo = getTransportInfo();
         clearAll();
-        mTransportTypes = (originalTransportTypes & TEST_NETWORKS_ALLOWED_TRANSPORTS)
-                | (1 << TRANSPORT_TEST);
+        if (0 != (originalCapabilities & NET_CAPABILITY_NOT_RESTRICTED)) {
+            // If the test network is not restricted, then it is only allowed to declare some
+            // specific transports. This is to minimize impact on running apps in case an app
+            // run from the shell creates a test a network.
+            mTransportTypes =
+                    (originalTransportTypes & UNRESTRICTED_TEST_NETWORKS_ALLOWED_TRANSPORTS)
+                            | (1 << TRANSPORT_TEST);
+        } else {
+            // If the test transport is restricted, then it may declare any transport.
+            mTransportTypes = (originalTransportTypes | (1 << TRANSPORT_TEST));
+        }
         mNetworkCapabilities = originalCapabilities & TEST_NETWORKS_ALLOWED_CAPABILITIES;
         mNetworkSpecifier = originalSpecifier;
         mSignalStrength = originalSignalStrength;
@@ -935,9 +944,10 @@
     };
 
     /**
-     * Allowed transports on a test network, in addition to TRANSPORT_TEST.
+     * Allowed transports on an unrestricted test network (in addition to TRANSPORT_TEST).
      */
-    private static final int TEST_NETWORKS_ALLOWED_TRANSPORTS = 1 << TRANSPORT_TEST
+    private static final int UNRESTRICTED_TEST_NETWORKS_ALLOWED_TRANSPORTS =
+            1 << TRANSPORT_TEST
             // Test ethernet networks can be created with EthernetManager#setIncludeTestInterfaces
             | 1 << TRANSPORT_ETHERNET
             // Test VPN networks can be created but their UID ranges must be empty.
@@ -1718,7 +1728,7 @@
      * Combine a set of Capabilities to this one.  Useful for coming up with the complete set.
      * <p>
      * Note that this method may break an invariant of having a particular capability in either
-     * wanted or unwanted lists but never in both.  Requests that have the same capability in
+     * wanted or forbidden lists but never in both.  Requests that have the same capability in
      * both lists will never be satisfied.
      * @hide
      */
@@ -1859,8 +1869,8 @@
     public int hashCode() {
         return (int) (mNetworkCapabilities & 0xFFFFFFFF)
                 + ((int) (mNetworkCapabilities >> 32) * 3)
-                + ((int) (mUnwantedNetworkCapabilities & 0xFFFFFFFF) * 5)
-                + ((int) (mUnwantedNetworkCapabilities >> 32) * 7)
+                + ((int) (mForbiddenNetworkCapabilities & 0xFFFFFFFF) * 5)
+                + ((int) (mForbiddenNetworkCapabilities >> 32) * 7)
                 + ((int) (mTransportTypes & 0xFFFFFFFF) * 11)
                 + ((int) (mTransportTypes >> 32) * 13)
                 + mLinkUpBandwidthKbps * 17
@@ -1895,7 +1905,7 @@
     @Override
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeLong(mNetworkCapabilities);
-        dest.writeLong(mUnwantedNetworkCapabilities);
+        dest.writeLong(mForbiddenNetworkCapabilities);
         dest.writeLong(mTransportTypes);
         dest.writeInt(mLinkUpBandwidthKbps);
         dest.writeInt(mLinkDownBandwidthKbps);
@@ -1919,7 +1929,7 @@
                 NetworkCapabilities netCap = new NetworkCapabilities();
 
                 netCap.mNetworkCapabilities = in.readLong();
-                netCap.mUnwantedNetworkCapabilities = in.readLong();
+                netCap.mForbiddenNetworkCapabilities = in.readLong();
                 netCap.mTransportTypes = in.readLong();
                 netCap.mLinkUpBandwidthKbps = in.readInt();
                 netCap.mLinkDownBandwidthKbps = in.readInt();
@@ -1973,9 +1983,9 @@
             appendStringRepresentationOfBitMaskToStringBuilder(sb, mNetworkCapabilities,
                     NetworkCapabilities::capabilityNameOf, "&");
         }
-        if (0 != mUnwantedNetworkCapabilities) {
-            sb.append(" Unwanted: ");
-            appendStringRepresentationOfBitMaskToStringBuilder(sb, mUnwantedNetworkCapabilities,
+        if (0 != mForbiddenNetworkCapabilities) {
+            sb.append(" Forbidden: ");
+            appendStringRepresentationOfBitMaskToStringBuilder(sb, mForbiddenNetworkCapabilities,
                     NetworkCapabilities::capabilityNameOf, "&");
         }
         if (mLinkUpBandwidthKbps > 0) {
@@ -2444,7 +2454,8 @@
          * For example {@code TRANSPORT_WIFI} and {@code TRANSPORT_ETHERNET} added to a
          * {@code NetworkCapabilities} would cause either a Wi-Fi network or an Ethernet network
          * to be selected. This is logically different than
-         * {@code NetworkCapabilities.NET_CAPABILITY_*}.
+         * {@code NetworkCapabilities.NET_CAPABILITY_*}. Also note that multiple networks with the
+         * same transport type may be active concurrently.
          *
          * @param transportType the transport type to be added or removed.
          * @return this builder
diff --git a/framework/src/android/net/NetworkRequest.java b/framework/src/android/net/NetworkRequest.java
index 8c4f419..dd88c5a 100644
--- a/framework/src/android/net/NetworkRequest.java
+++ b/framework/src/android/net/NetworkRequest.java
@@ -311,7 +311,7 @@
          *
          * @see #addCapability(int)
          *
-         * @param capability The capability to add to unwanted capability list.
+         * @param capability The capability to add to forbidden capability list.
          * @return The builder to facilitate chaining.
          *
          * @hide
@@ -319,15 +319,15 @@
         @NonNull
         @SuppressLint("MissingGetterMatchingBuilder")
         @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-        public Builder addUnwantedCapability(@NetworkCapabilities.NetCapability int capability) {
-            mNetworkCapabilities.addUnwantedCapability(capability);
+        public Builder addForbiddenCapability(@NetworkCapabilities.NetCapability int capability) {
+            mNetworkCapabilities.addForbiddenCapability(capability);
             return this;
         }
 
         /**
-         * Removes (if found) the given unwanted capability from this builder instance.
+         * Removes (if found) the given forbidden capability from this builder instance.
          *
-         * @param capability The unwanted capability to remove.
+         * @param capability The forbidden capability to remove.
          * @return The builder to facilitate chaining.
          *
          * @hide
@@ -335,8 +335,9 @@
         @NonNull
         @SuppressLint("BuilderSetStyle")
         @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-        public Builder removeUnwantedCapability(@NetworkCapabilities.NetCapability int capability) {
-            mNetworkCapabilities.removeUnwantedCapability(capability);
+        public Builder removeForbiddenCapability(
+                @NetworkCapabilities.NetCapability int capability) {
+            mNetworkCapabilities.removeForbiddenCapability(capability);
             return this;
         }
 
@@ -598,13 +599,13 @@
     }
 
     /**
-     * @see Builder#addUnwantedCapability(int)
+     * @see Builder#addForbiddenCapability(int)
      *
      * @hide
      */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-    public boolean hasUnwantedCapability(@NetCapability int capability) {
-        return networkCapabilities.hasUnwantedCapability(capability);
+    public boolean hasForbiddenCapability(@NetCapability int capability) {
+        return networkCapabilities.hasForbiddenCapability(capability);
     }
 
     /**
@@ -709,18 +710,18 @@
     }
 
     /**
-     * Gets all the unwanted capabilities set on this {@code NetworkRequest} instance.
+     * Gets all the forbidden capabilities set on this {@code NetworkRequest} instance.
      *
-     * @return an array of unwanted capability values for this instance.
+     * @return an array of forbidden capability values for this instance.
      *
      * @hide
      */
     @NonNull
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-    public @NetCapability int[] getUnwantedCapabilities() {
-        // No need to make a defensive copy here as NC#getUnwantedCapabilities() already returns
+    public @NetCapability int[] getForbiddenCapabilities() {
+        // No need to make a defensive copy here as NC#getForbiddenCapabilities() already returns
         // a new array.
-        return networkCapabilities.getUnwantedCapabilities();
+        return networkCapabilities.getForbiddenCapabilities();
     }
 
     /**