diff --git a/Cronet/tests/cts/src/android/net/http/cts/DnsOptionsTest.kt b/Cronet/tests/cts/src/android/net/http/cts/DnsOptionsTest.kt
index 7b17ca6..8af544e 100644
--- a/Cronet/tests/cts/src/android/net/http/cts/DnsOptionsTest.kt
+++ b/Cronet/tests/cts/src/android/net/http/cts/DnsOptionsTest.kt
@@ -89,6 +89,21 @@
     }
 
     @Test
+    fun testDnsOptions_setStaleDnsOptions_returnsSetValues() {
+        val staleOptions = DnsOptions.StaleDnsOptions.Builder()
+                .setAllowCrossNetworkUsageEnabled(DNS_OPTION_ENABLED)
+                .setFreshLookupTimeout(Duration.ofMillis(1234))
+                .build()
+        val options = DnsOptions.Builder()
+                .setStaleDnsEnabled(DNS_OPTION_ENABLED)
+                .setStaleDnsOptions(staleOptions)
+                .build()
+
+        assertEquals(DNS_OPTION_ENABLED, options.staleDnsEnabled)
+        assertEquals(staleOptions, options.staleDnsOptions)
+    }
+
+    @Test
     fun testStaleDnsOptions_defaultValues() {
         val options = DnsOptions.StaleDnsOptions.Builder().build()
 
diff --git a/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java b/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
index 77eb453..9573e89 100644
--- a/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
+++ b/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
@@ -31,6 +31,7 @@
 import android.content.Context;
 import android.net.Network;
 import android.net.http.ConnectionMigrationOptions;
+import android.net.http.DnsOptions;
 import android.net.http.HttpEngine;
 import android.net.http.UrlRequest;
 import android.net.http.UrlResponseInfo;
@@ -152,11 +153,12 @@
 
     @Test
     public void testHttpEngine_EnablePublicKeyPinningBypassForLocalTrustAnchors() {
+        String url = mTestServer.getSuccessUrl();
         // For known hosts, requests should succeed whether we're bypassing the local trust anchor
         // or not.
         mEngine = mEngineBuilder.setEnablePublicKeyPinningBypassForLocalTrustAnchors(false).build();
         UrlRequest.Builder builder =
-                mEngine.newUrlRequestBuilder(URL, mCallback.getExecutor(), mCallback);
+                mEngine.newUrlRequestBuilder(url, mCallback.getExecutor(), mCallback);
         mRequest = builder.build();
         mRequest.start();
         mCallback.expectCallback(ResponseStep.ON_SUCCEEDED);
@@ -164,7 +166,7 @@
         mEngine.shutdown();
         mEngine = mEngineBuilder.setEnablePublicKeyPinningBypassForLocalTrustAnchors(true).build();
         mCallback = new TestUrlRequestCallback();
-        builder = mEngine.newUrlRequestBuilder(URL, mCallback.getExecutor(), mCallback);
+        builder = mEngine.newUrlRequestBuilder(url, mCallback.getExecutor(), mCallback);
         mRequest = builder.build();
         mRequest.start();
         mCallback.expectCallback(ResponseStep.ON_SUCCEEDED);
@@ -210,6 +212,7 @@
     @Test
     public void testHttpEngine_GetDefaultUserAgent() throws Exception {
         assertThat(mEngineBuilder.getDefaultUserAgent(), containsString("AndroidHttpClient"));
+        assertThat(mEngineBuilder.getDefaultUserAgent()).contains(HttpEngine.getVersionString());
     }
 
     @Test
@@ -317,4 +320,24 @@
         UrlResponseInfo info = mCallback.mResponseInfo;
         assertOKStatusCode(info);
     }
-}
\ No newline at end of file
+
+    @Test
+    public void testHttpEngine_setDnsOptions_requestSucceeds() {
+        DnsOptions options = new DnsOptions.Builder().build();
+        mEngine = mEngineBuilder.setDnsOptions(options).build();
+        UrlRequest.Builder builder =
+                mEngine.newUrlRequestBuilder(
+                        mTestServer.getSuccessUrl(), mCallback.getExecutor(), mCallback);
+        mRequest = builder.build();
+        mRequest.start();
+
+        mCallback.expectCallback(ResponseStep.ON_SUCCEEDED);
+        UrlResponseInfo info = mCallback.mResponseInfo;
+        assertOKStatusCode(info);
+    }
+
+    @Test
+    public void getVersionString_notEmpty() {
+        assertThat(HttpEngine.getVersionString()).isNotEmpty();
+    }
+}
diff --git a/Cronet/tests/cts/src/android/net/http/cts/QuicOptionsTest.kt b/Cronet/tests/cts/src/android/net/http/cts/QuicOptionsTest.kt
index a05aecd..5f1979f 100644
--- a/Cronet/tests/cts/src/android/net/http/cts/QuicOptionsTest.kt
+++ b/Cronet/tests/cts/src/android/net/http/cts/QuicOptionsTest.kt
@@ -19,6 +19,9 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.google.common.truth.Truth.assertThat
 import java.time.Duration
+import kotlin.test.assertFailsWith
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
 import org.junit.Test
 import org.junit.runner.RunWith
 
@@ -30,7 +33,10 @@
         assertThat(quicOptions.allowedQuicHosts).isEmpty()
         assertThat(quicOptions.handshakeUserAgent).isNull()
         assertThat(quicOptions.idleConnectionTimeout).isNull()
-        assertThat(quicOptions.inMemoryServerConfigsCacheSize).isNull()
+        assertFalse(quicOptions.hasInMemoryServerConfigsCacheSize())
+        assertFailsWith(IllegalStateException::class) {
+            quicOptions.inMemoryServerConfigsCacheSize
+        }
     }
 
     @Test
@@ -61,6 +67,7 @@
         val quicOptions = QuicOptions.Builder()
                 .setInMemoryServerConfigsCacheSize(42)
                 .build()
+        assertTrue(quicOptions.hasInMemoryServerConfigsCacheSize())
         assertThat(quicOptions.inMemoryServerConfigsCacheSize)
                 .isEqualTo(42)
     }
diff --git a/Cronet/tests/cts/src/android/net/http/cts/UrlRequestTest.java b/Cronet/tests/cts/src/android/net/http/cts/UrlRequestTest.java
index a4dca19..e4949d3 100644
--- a/Cronet/tests/cts/src/android/net/http/cts/UrlRequestTest.java
+++ b/Cronet/tests/cts/src/android/net/http/cts/UrlRequestTest.java
@@ -295,6 +295,24 @@
     }
 
     @Test
+    public void testUrlRequest_redirects() throws Exception {
+        int expectedNumRedirects = 5;
+        String url =
+                mTestServer.getRedirectingAssetUrl("html/hello_world.html", expectedNumRedirects);
+
+        UrlRequest request = createUrlRequestBuilder(url).build();
+        request.start();
+
+        mCallback.expectCallback(ResponseStep.ON_SUCCEEDED);
+        UrlResponseInfo info = mCallback.mResponseInfo;
+        assertOKStatusCode(info);
+        assertThat(mCallback.mResponseAsString).contains("hello world");
+        assertThat(info.getUrlChain()).hasSize(expectedNumRedirects + 1);
+        assertThat(info.getUrlChain().get(0)).isEqualTo(url);
+        assertThat(info.getUrlChain().get(expectedNumRedirects)).isEqualTo(info.getUrl());
+    }
+
+    @Test
     public void testUrlRequestPost_withRedirect() throws Exception {
         String body = Strings.repeat(
                 "Hello, this is a really interesting body, so write this 100 times.", 100);
diff --git a/Tethering/common/TetheringLib/Android.bp b/Tethering/common/TetheringLib/Android.bp
index 4080029..4f95bdd 100644
--- a/Tethering/common/TetheringLib/Android.bp
+++ b/Tethering/common/TetheringLib/Android.bp
@@ -127,7 +127,7 @@
     out: ["framework_tethering_jarjar_rules.txt"],
     cmd: "$(location jarjar-rules-generator) " +
         "$(location :framework-tethering-pre-jarjar{.jar}) " +
-        "--apistubs $(location :framework-tethering.stubs.module_lib{.jar}) " + 
+        "--apistubs $(location :framework-tethering.stubs.module_lib{.jar}) " +
         "--prefix android.net.http.internal " +
         "--excludes $(location jarjar-excludes.txt) " +
         "--output $(out)",
@@ -151,6 +151,7 @@
 
 filegroup {
     name: "framework-tethering-srcs",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         "src/**/*.aidl",
         "src/**/*.java",
diff --git a/Tethering/common/TetheringLib/cronet_enabled/api/current.txt b/Tethering/common/TetheringLib/cronet_enabled/api/current.txt
index 66a0295..bc76b72 100644
--- a/Tethering/common/TetheringLib/cronet_enabled/api/current.txt
+++ b/Tethering/common/TetheringLib/cronet_enabled/api/current.txt
@@ -177,7 +177,8 @@
     method @NonNull public java.util.Set<java.lang.String> getAllowedQuicHosts();
     method @Nullable public String getHandshakeUserAgent();
     method @Nullable public java.time.Duration getIdleConnectionTimeout();
-    method @Nullable public Integer getInMemoryServerConfigsCacheSize();
+    method public int getInMemoryServerConfigsCacheSize();
+    method public boolean hasInMemoryServerConfigsCacheSize();
   }
 
   public static final class QuicOptions.Builder {
diff --git a/framework-t/Sources.bp b/framework-t/Sources.bp
index 391a562..b8eb1f6 100644
--- a/framework-t/Sources.bp
+++ b/framework-t/Sources.bp
@@ -16,15 +16,13 @@
 
 filegroup {
     name: "framework-connectivity-tiramisu-updatable-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         "src/**/*.java",
         "src/**/*.aidl",
     ],
     path: "src",
-    visibility: [
-        "//frameworks/base",
-        "//packages/modules/Connectivity:__subpackages__",
-    ],
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
 }
 
 cc_library_shared {
diff --git a/framework/Android.bp b/framework/Android.bp
index 3950dba..2d729c5 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -45,14 +45,12 @@
 // TODO: use a java_library in the bootclasspath instead
 filegroup {
     name: "framework-connectivity-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         ":framework-connectivity-internal-sources",
         ":framework-connectivity-aidl-export-sources",
     ],
-    visibility: [
-        "//frameworks/base",
-        "//packages/modules/Connectivity:__subpackages__",
-    ],
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
 }
 
 java_defaults {
diff --git a/nearby/framework/Android.bp b/nearby/framework/Android.bp
index e223b54..f6e0995 100644
--- a/nearby/framework/Android.bp
+++ b/nearby/framework/Android.bp
@@ -32,10 +32,10 @@
 
 filegroup {
     name: "framework-nearby-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         ":framework-nearby-java-sources",
     ],
-    visibility: ["//frameworks/base"],
 }
 
 // Build of only framework-nearby (not as part of connectivity) for
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index e969cd6..2af30dd 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -10734,6 +10734,18 @@
                         callback));
     }
 
+    private boolean hasUnderlyingTestNetworks(NetworkCapabilities nc) {
+        final List<Network> underlyingNetworks = nc.getUnderlyingNetworks();
+        if (underlyingNetworks == null) return false;
+
+        for (Network network : underlyingNetworks) {
+            if (getNetworkCapabilitiesInternal(network).hasTransport(TRANSPORT_TEST)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public void simulateDataStall(int detectionMethod, long timestampMillis,
             @NonNull Network network, @NonNull PersistableBundle extras) {
@@ -10744,14 +10756,18 @@
                 android.Manifest.permission.MANAGE_TEST_NETWORKS,
                 android.Manifest.permission.NETWORK_STACK);
         final NetworkCapabilities nc = getNetworkCapabilitiesInternal(network);
-        if (!nc.hasTransport(TRANSPORT_TEST)) {
-            throw new SecurityException("Data Stall simulation is only possible for test networks");
+        if (!nc.hasTransport(TRANSPORT_TEST) && !hasUnderlyingTestNetworks(nc)) {
+            throw new SecurityException(
+                    "Data Stall simulation is only possible for test networks or networks built on"
+                            + " top of test networks");
         }
 
         final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network);
-        if (nai == null || nai.creatorUid != mDeps.getCallingUid()) {
-            throw new SecurityException("Data Stall simulation is only possible for network "
-                + "creators");
+        if (nai == null
+                || (nai.creatorUid != mDeps.getCallingUid()
+                        && nai.creatorUid != Process.SYSTEM_UID)) {
+            throw new SecurityException(
+                    "Data Stall simulation is only possible for network " + "creators");
         }
 
         // Instead of passing the data stall directly to the ConnectivityDiagnostics handler, treat
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/MyVpnService.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/MyVpnService.java
index 449454e..fe522a0 100644
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/MyVpnService.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/MyVpnService.java
@@ -32,6 +32,7 @@
 import com.android.networkstack.apishim.VpnServiceBuilderShimImpl;
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
 import com.android.networkstack.apishim.common.VpnServiceBuilderShim;
+import com.android.testutils.PacketReflector;
 
 import java.io.IOException;
 import java.net.InetAddress;
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/PacketReflector.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/PacketReflector.java
deleted file mode 100644
index 124c2c3..0000000
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/PacketReflector.java
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * Copyright (C) 2014 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.
- */
-
-package com.android.cts.net.hostside;
-
-import static android.system.OsConstants.ICMP6_ECHO_REPLY;
-import static android.system.OsConstants.ICMP6_ECHO_REQUEST;
-import static android.system.OsConstants.ICMP_ECHO;
-import static android.system.OsConstants.ICMP_ECHOREPLY;
-
-import android.system.ErrnoException;
-import android.system.Os;
-import android.util.Log;
-
-import java.io.FileDescriptor;
-import java.io.IOException;
-
-public class PacketReflector extends Thread {
-
-    private static int IPV4_HEADER_LENGTH = 20;
-    private static int IPV6_HEADER_LENGTH = 40;
-
-    private static int IPV4_ADDR_OFFSET = 12;
-    private static int IPV6_ADDR_OFFSET = 8;
-    private static int IPV4_ADDR_LENGTH = 4;
-    private static int IPV6_ADDR_LENGTH = 16;
-
-    private static int IPV4_PROTO_OFFSET = 9;
-    private static int IPV6_PROTO_OFFSET = 6;
-
-    private static final byte IPPROTO_ICMP = 1;
-    private static final byte IPPROTO_TCP = 6;
-    private static final byte IPPROTO_UDP = 17;
-    private static final byte IPPROTO_ICMPV6 = 58;
-
-    private static int ICMP_HEADER_LENGTH = 8;
-    private static int TCP_HEADER_LENGTH = 20;
-    private static int UDP_HEADER_LENGTH = 8;
-
-    private static final byte ICMP_ECHO = 8;
-    private static final byte ICMP_ECHOREPLY = 0;
-
-    private static String TAG = "PacketReflector";
-
-    private FileDescriptor mFd;
-    private byte[] mBuf;
-
-    public PacketReflector(FileDescriptor fd, int mtu) {
-        super("PacketReflector");
-        mFd = fd;
-        mBuf = new byte[mtu];
-    }
-
-    private static void swapBytes(byte[] buf, int pos1, int pos2, int len) {
-        for (int i = 0; i < len; i++) {
-            byte b = buf[pos1 + i];
-            buf[pos1 + i] = buf[pos2 + i];
-            buf[pos2 + i] = b;
-        }
-    }
-
-    private static void swapAddresses(byte[] buf, int version) {
-        int addrPos, addrLen;
-        switch(version) {
-            case 4:
-                addrPos = IPV4_ADDR_OFFSET;
-                addrLen = IPV4_ADDR_LENGTH;
-                break;
-            case 6:
-                addrPos = IPV6_ADDR_OFFSET;
-                addrLen = IPV6_ADDR_LENGTH;
-                break;
-            default:
-                throw new IllegalArgumentException();
-        }
-        swapBytes(buf, addrPos, addrPos + addrLen, addrLen);
-    }
-
-    // Reflect TCP packets: swap the source and destination addresses, but don't change the ports.
-    // This is used by the test to "connect to itself" through the VPN.
-    private void processTcpPacket(byte[] buf, int version, int len, int hdrLen) {
-        if (len < hdrLen + TCP_HEADER_LENGTH) {
-            return;
-        }
-
-        // Swap src and dst IP addresses.
-        swapAddresses(buf, version);
-
-        // Send the packet back.
-        writePacket(buf, len);
-    }
-
-    // Echo UDP packets: swap source and destination addresses, and source and destination ports.
-    // This is used by the test to check that the bytes it sends are echoed back.
-    private void processUdpPacket(byte[] buf, int version, int len, int hdrLen) {
-        if (len < hdrLen + UDP_HEADER_LENGTH) {
-            return;
-        }
-
-        // Swap src and dst IP addresses.
-        swapAddresses(buf, version);
-
-        // Swap dst and src ports.
-        int portOffset = hdrLen;
-        swapBytes(buf, portOffset, portOffset + 2, 2);
-
-        // Send the packet back.
-        writePacket(buf, len);
-    }
-
-    private void processIcmpPacket(byte[] buf, int version, int len, int hdrLen) {
-        if (len < hdrLen + ICMP_HEADER_LENGTH) {
-            return;
-        }
-
-        byte type = buf[hdrLen];
-        if (!(version == 4 && type == ICMP_ECHO) &&
-            !(version == 6 && type == (byte) ICMP6_ECHO_REQUEST)) {
-            return;
-        }
-
-        // Save the ping packet we received.
-        byte[] request = buf.clone();
-
-        // Swap src and dst IP addresses, and send the packet back.
-        // This effectively pings the device to see if it replies.
-        swapAddresses(buf, version);
-        writePacket(buf, len);
-
-        // The device should have replied, and buf should now contain a ping response.
-        int received = readPacket(buf);
-        if (received != len) {
-            Log.i(TAG, "Reflecting ping did not result in ping response: " +
-                       "read=" + received + " expected=" + len);
-            return;
-        }
-
-        byte replyType = buf[hdrLen];
-        if ((type == ICMP_ECHO && replyType != ICMP_ECHOREPLY)
-                || (type == (byte) ICMP6_ECHO_REQUEST && replyType != (byte) ICMP6_ECHO_REPLY)) {
-            Log.i(TAG, "Received unexpected ICMP reply: original " + type
-                    + ", reply " + replyType);
-            return;
-        }
-
-        // Compare the response we got with the original packet.
-        // The only thing that should have changed are addresses, type and checksum.
-        // Overwrite them with the received bytes and see if the packet is otherwise identical.
-        request[hdrLen] = buf[hdrLen];          // Type
-        request[hdrLen + 2] = buf[hdrLen + 2];  // Checksum byte 1.
-        request[hdrLen + 3] = buf[hdrLen + 3];  // Checksum byte 2.
-
-        // Since Linux kernel 4.2, net.ipv6.auto_flowlabels is set by default, and therefore
-        // the request and reply may have different IPv6 flow label: ignore that as well.
-        if (version == 6) {
-            request[1] = (byte)(request[1] & 0xf0 | buf[1] & 0x0f);
-            request[2] = buf[2];
-            request[3] = buf[3];
-        }
-
-        for (int i = 0; i < len; i++) {
-            if (buf[i] != request[i]) {
-                Log.i(TAG, "Received non-matching packet when expecting ping response.");
-                return;
-            }
-        }
-
-        // Now swap the addresses again and reflect the packet. This sends a ping reply.
-        swapAddresses(buf, version);
-        writePacket(buf, len);
-    }
-
-    private void writePacket(byte[] buf, int len) {
-        try {
-            Os.write(mFd, buf, 0, len);
-        } catch (ErrnoException|IOException e) {
-            Log.e(TAG, "Error writing packet: " + e.getMessage());
-        }
-    }
-
-    private int readPacket(byte[] buf) {
-        int len;
-        try {
-            len = Os.read(mFd, buf, 0, buf.length);
-        } catch (ErrnoException|IOException e) {
-            Log.e(TAG, "Error reading packet: " + e.getMessage());
-            len = -1;
-        }
-        return len;
-    }
-
-    // Reads one packet from our mFd, and possibly writes the packet back.
-    private void processPacket() {
-        int len = readPacket(mBuf);
-        if (len < 1) {
-            return;
-        }
-
-        int version = mBuf[0] >> 4;
-        int addrPos, protoPos, hdrLen, addrLen;
-        if (version == 4) {
-            hdrLen = IPV4_HEADER_LENGTH;
-            protoPos = IPV4_PROTO_OFFSET;
-            addrPos = IPV4_ADDR_OFFSET;
-            addrLen = IPV4_ADDR_LENGTH;
-        } else if (version == 6) {
-            hdrLen = IPV6_HEADER_LENGTH;
-            protoPos = IPV6_PROTO_OFFSET;
-            addrPos = IPV6_ADDR_OFFSET;
-            addrLen = IPV6_ADDR_LENGTH;
-        } else {
-            return;
-        }
-
-        if (len < hdrLen) {
-            return;
-        }
-
-        byte proto = mBuf[protoPos];
-        switch (proto) {
-            case IPPROTO_ICMP:
-            case IPPROTO_ICMPV6:
-                processIcmpPacket(mBuf, version, len, hdrLen);
-                break;
-            case IPPROTO_TCP:
-                processTcpPacket(mBuf, version, len, hdrLen);
-                break;
-            case IPPROTO_UDP:
-                processUdpPacket(mBuf, version, len, hdrLen);
-                break;
-        }
-    }
-
-    public void run() {
-        Log.i(TAG, "PacketReflector starting fd=" + mFd + " valid=" + mFd.valid());
-        while (!interrupted() && mFd.valid()) {
-            processPacket();
-        }
-        Log.i(TAG, "PacketReflector exiting fd=" + mFd + " valid=" + mFd.valid());
-    }
-}
diff --git a/tests/unit/java/com/android/server/net/IpConfigStoreTest.java b/tests/unit/java/com/android/server/net/IpConfigStoreTest.java
index 4adc999..19ded24 100644
--- a/tests/unit/java/com/android/server/net/IpConfigStoreTest.java
+++ b/tests/unit/java/com/android/server/net/IpConfigStoreTest.java
@@ -58,7 +58,7 @@
 @RunWith(DevSdkIgnoreRunner.class)
 @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.S_V2)
 public class IpConfigStoreTest {
-    private static final int TIMEOUT_MS = 2_000;
+    private static final int TIMEOUT_MS = 5_000;
     private static final int KEY_CONFIG = 17;
     private static final String IFACE_1 = "eth0";
     private static final String IFACE_2 = "eth1";