diff --git a/tests/cts/net/jni/NativeMultinetworkJni.c b/tests/cts/net/jni/NativeMultinetworkJni.c
index 4da0c1c..ad56b51 100644
--- a/tests/cts/net/jni/NativeMultinetworkJni.c
+++ b/tests/cts/net/jni/NativeMultinetworkJni.c
@@ -93,7 +93,8 @@
 void sockaddr_ntop(const struct sockaddr *sa, socklen_t salen, char *dst, const size_t size) {
     char addrstr[INET6_ADDRSTRLEN];
     char portstr[sizeof("65535")];
-    char buf[sizeof(addrstr) + sizeof(portstr) + sizeof("[]:")];
+    char buf[kSockaddrStrLen+1];
+
     int ret = getnameinfo(sa, salen,
                           addrstr, sizeof(addrstr),
                           portstr, sizeof(portstr),
@@ -106,7 +107,7 @@
         sprintf(buf, "???");
     }
 
-    strlcpy(dst, buf, (strlen(buf) < size - 1) ? strlen(buf) : size - 1);
+    strlcpy(dst, buf, size);
 }
 
 JNIEXPORT jint Java_android_net_cts_MultinetworkApiTest_runDatagramCheck(
@@ -122,7 +123,8 @@
     struct addrinfo *res = NULL;
     net_handle_t handle = (net_handle_t) nethandle;
 
-    int rval = android_getaddrinfofornetwork(handle, kHostname, "443", &kHints, &res);
+    static const char kPort[] = "443";
+    int rval = android_getaddrinfofornetwork(handle, kHostname, kPort, &kHints, &res);
     if (rval != 0) {
         ALOGD("android_getaddrinfofornetwork(%llu, %s) returned rval=%d errno=%d",
               handle, kHostname, rval, errno);
@@ -148,9 +150,9 @@
         return -errno;
     }
 
-    char addrstr[kSockaddrStrLen];
+    char addrstr[kSockaddrStrLen+1];
     sockaddr_ntop(res->ai_addr, res->ai_addrlen, addrstr, sizeof(addrstr));
-    ALOGD("Attempting connect() to %s...", addrstr);
+    ALOGD("Attempting connect() to %s ...", addrstr);
 
     rval = connect(fd, res->ai_addr, res->ai_addrlen);
     if (rval != 0) {
@@ -170,10 +172,12 @@
     ALOGD("... from %s", addrstr);
 
     // Don't let reads or writes block indefinitely.
-    const struct timeval timeo = { 5, 0 };  // 5 seconds
+    const struct timeval timeo = { 2, 0 };  // 2 seconds
     setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo));
     setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));
 
+    // For reference see:
+    //     https://tools.ietf.org/html/draft-tsvwg-quic-protocol-01#section-6.1
     uint8_t quic_packet[] = {
         0x0c,                    // public flags: 64bit conn ID, 8bit sequence number
         0, 0, 0, 0, 0, 0, 0, 0,  // 64bit connection ID
@@ -184,19 +188,36 @@
 
     arc4random_buf(quic_packet + 1, 8);  // random connection ID
 
-    ssize_t sent = send(fd, quic_packet, sizeof(quic_packet), 0);
-    if (sent < (ssize_t)sizeof(quic_packet)) {
-        ALOGD("send(QUIC packet) returned sent=%zd, errno=%d", sent, errno);
-        close(fd);
-        return -errno;
-    }
-
     uint8_t response[1500];
-    ssize_t rcvd = recv(fd, response, sizeof(response), 0);
+    ssize_t sent, rcvd;
+    static const int MAX_RETRIES = 5;
+    int i, errnum = 0;
+
+    for (i = 0; i < MAX_RETRIES; i++) {
+        sent = send(fd, quic_packet, sizeof(quic_packet), 0);
+        if (sent < (ssize_t)sizeof(quic_packet)) {
+            errnum = errno;
+            ALOGD("send(QUIC packet) returned sent=%zd, errno=%d", sent, errnum);
+            close(fd);
+            return -errnum;
+        }
+
+        rcvd = recv(fd, response, sizeof(response), 0);
+        if (rcvd > 0) {
+            break;
+        } else {
+            errnum = errno;
+            ALOGD("[%d/%d] recv(QUIC response) returned rcvd=%zd, errno=%d",
+                  i + 1, MAX_RETRIES, rcvd, errnum);
+        }
+    }
     if (rcvd < sent) {
-        ALOGD("recv() returned rcvd=%zd, errno=%d", rcvd, errno);
+        ALOGD("QUIC UDP %s: sent=%zd but rcvd=%zd, errno=%d", kPort, sent, rcvd, errnum);
+        if (rcvd <= 0) {
+            ALOGD("Does this network block UDP port %s?", kPort);
+        }
         close(fd);
-        return -errno;
+        return -EPROTO;
     }
 
     int conn_id_cmp = memcmp(quic_packet + 1, response + 1, 8);
diff --git a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
index e4d77b1..88dbd7c 100644
--- a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
@@ -67,7 +67,6 @@
     private PackageManager mPackageManager;
     private final HashMap<Integer, NetworkConfig> mNetworks =
             new HashMap<Integer, NetworkConfig>();
-    private final List<Integer>mProtectedNetworks = new ArrayList<Integer>();
 
     @Override
     protected void setUp() throws Exception {
@@ -90,13 +89,6 @@
                 mNetworks.put(n.type, n);
             } catch (Exception e) {}
         }
-
-        // Get com.android.internal.R.array.config_protectedNetworks
-        resId = getContext().getResources().getIdentifier("config_protectedNetworks", "array", "android");
-        int[] protectedNetworks = getContext().getResources().getIntArray(resId);
-        for (int p : protectedNetworks) {
-            mProtectedNetworks.add(p);
-        }
     }
 
     public void testIsNetworkTypeValid() {
@@ -190,6 +182,27 @@
         }
     }
 
+    private void assertStartUsingNetworkFeatureUnsupported(int networkType, String feature) {
+        try {
+            mCm.startUsingNetworkFeature(networkType, feature);
+            fail("startUsingNetworkFeature is no longer supported in the current API version");
+        } catch (UnsupportedOperationException expected) {}
+    }
+
+    private void assertStopUsingNetworkFeatureUnsupported(int networkType, String feature) {
+        try {
+            mCm.startUsingNetworkFeature(networkType, feature);
+            fail("stopUsingNetworkFeature is no longer supported in the current API version");
+        } catch (UnsupportedOperationException expected) {}
+    }
+
+    private void assertRequestRouteToHostUnsupported(int networkType, int hostAddress) {
+        try {
+            mCm.requestRouteToHost(networkType, hostAddress);
+            fail("requestRouteToHost is no longer supported in the current API version");
+        } catch (UnsupportedOperationException expected) {}
+    }
+
     public void testStartUsingNetworkFeature() {
 
         final String invalidateFeature = "invalidateFeature";
@@ -198,27 +211,9 @@
         final int wifiOnlyStartFailureCode = PhoneConstants.APN_REQUEST_FAILED;
         final int wifiOnlyStopFailureCode = -1;
 
-        NetworkInfo ni = mCm.getNetworkInfo(TYPE_MOBILE);
-        if (ni != null) {
-            assertEquals(PhoneConstants.APN_REQUEST_FAILED,
-                    mCm.startUsingNetworkFeature(TYPE_MOBILE, invalidateFeature));
-            assertEquals(failureCode, mCm.stopUsingNetworkFeature(TYPE_MOBILE,
-                    invalidateFeature));
-        } else {
-            assertEquals(wifiOnlyStartFailureCode, mCm.startUsingNetworkFeature(TYPE_MOBILE,
-                    invalidateFeature));
-            assertEquals(wifiOnlyStopFailureCode, mCm.stopUsingNetworkFeature(TYPE_MOBILE,
-                    invalidateFeature));
-        }
-
-        ni = mCm.getNetworkInfo(TYPE_WIFI);
-        if (ni != null) {
-            // Should return failure because MMS is not supported on WIFI.
-            assertEquals(PhoneConstants.APN_REQUEST_FAILED, mCm.startUsingNetworkFeature(TYPE_WIFI,
-                    mmsFeature));
-            assertEquals(failureCode, mCm.stopUsingNetworkFeature(TYPE_WIFI,
-                    mmsFeature));
-        }
+        assertStartUsingNetworkFeatureUnsupported(TYPE_MOBILE, invalidateFeature);
+        assertStopUsingNetworkFeatureUnsupported(TYPE_MOBILE, invalidateFeature);
+        assertStartUsingNetworkFeatureUnsupported(TYPE_WIFI, mmsFeature);
     }
 
     private boolean isSupported(int networkType) {
@@ -229,11 +224,6 @@
                (networkType == ConnectivityManager.TYPE_VPN);
     }
 
-    // true if only the system can turn it on
-    private boolean isNetworkProtected(int networkType) {
-        return mProtectedNetworks.contains(networkType);
-    }
-
     public void testIsNetworkSupported() {
         for (int type = -1; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
             boolean supported = mCm.isNetworkSupported(type);
@@ -247,82 +237,14 @@
 
     public void testRequestRouteToHost() {
         for (int type = -1 ; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
-            NetworkInfo ni = mCm.getNetworkInfo(type);
-            boolean expectToWork = isSupported(type) && !isNetworkProtected(type) &&
-                    ni != null && ni.isConnected();
-
-            try {
-                assertTrue("Network type " + type,
-                        mCm.requestRouteToHost(type, HOST_ADDRESS) == expectToWork);
-            } catch (Exception e) {
-                Log.d(TAG, "got exception in requestRouteToHost for type " + type);
-                assertFalse("Exception received for type " + type, expectToWork);
-            }
-
-            //TODO verify route table
+            assertRequestRouteToHostUnsupported(type, HOST_ADDRESS);
         }
-
-        assertFalse(mCm.requestRouteToHost(-1, HOST_ADDRESS));
     }
 
     public void testTest() {
         mCm.getBackgroundDataSetting();
     }
 
-    /** Test that hipri can be brought up when Wifi is enabled. */
-    public void testStartUsingNetworkFeature_enableHipri() throws Exception {
-        if (!mPackageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)
-                || !mPackageManager.hasSystemFeature(PackageManager.FEATURE_WIFI)) {
-            // This test requires a mobile data connection and WiFi.
-            return;
-        }
-
-        boolean isWifiEnabled = mWifiManager.isWifiEnabled();
-        boolean isWifiConnected = false;
-
-        NetworkInfo nwInfo = mCm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
-        if (nwInfo != null) {
-            isWifiConnected = nwInfo.isConnected();
-        }
-        try {
-            // Make sure WiFi is connected to an access point.
-            if (!isWifiConnected) {
-                connectToWifi();
-            }
-
-            // Register a receiver that will capture the connectivity change for hipri.
-            ConnectivityActionReceiver receiver = new ConnectivityActionReceiver(
-                    ConnectivityManager.TYPE_MOBILE_HIPRI, NetworkInfo.State.CONNECTED);
-            IntentFilter filter = new IntentFilter();
-            filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
-            mContext.registerReceiver(receiver, filter);
-
-            // Try to start using the hipri feature...
-            int result = mCm.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE,
-                    FEATURE_ENABLE_HIPRI);
-            assertTrue("Couldn't start using the HIPRI feature.", result != -1);
-
-            // Check that the ConnectivityManager reported that it connected using hipri...
-            assertTrue("Couldn't connect using hipri...", receiver.waitForState());
-
-            assertTrue("Couldn't requestRouteToHost using HIPRI.",
-                    mCm.requestRouteToHost(ConnectivityManager.TYPE_MOBILE_HIPRI, HOST_ADDRESS));
-            // TODO check dns selection
-            // TODO check routes
-        } catch (InterruptedException e) {
-            fail("Broadcast receiver waiting for ConnectivityManager interrupted.");
-        } finally {
-            mCm.stopUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE,
-                    FEATURE_ENABLE_HIPRI);
-            // TODO wait for HIPRI to go
-            // TODO check dns selection
-            // TODO check routes
-            if (!isWifiEnabled) {
-                disconnectFromWifi();
-            }
-        }
-    }
-
     /**
      * Exercises both registerNetworkCallback and unregisterNetworkCallback. This checks to
      * see if we get a callback for the TRANSPORT_WIFI transport type being available.