diff --git a/tests/cts/hostside/aidl/Android.mk b/tests/cts/hostside/aidl/Android.mk
index a7ec6ef..4aa55b6 100644
--- a/tests/cts/hostside/aidl/Android.mk
+++ b/tests/cts/hostside/aidl/Android.mk
@@ -19,4 +19,4 @@
 LOCAL_SDK_VERSION := current
 LOCAL_SRC_FILES := com/android/cts/net/hostside/IRemoteSocketFactory.aidl
 LOCAL_MODULE := CtsHostsideNetworkTestsAidl
-include $(BUILD_JAVA_LIBRARY)
+include $(BUILD_STATIC_JAVA_LIBRARY)
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
index 12fe625..a8ad2b8 100755
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/VpnTest.java
@@ -84,6 +84,11 @@
  *   https://android-review.googlesource.com/#/c/99225/
  *   https://android-review.googlesource.com/#/c/100557/
  *
+ * To ensure that the kernel has the required commits, run the kernel unit
+ * tests described at:
+ *
+ *   https://source.android.com/devices/tech/config/kernel_network_tests.html
+ *
  */
 public class VpnTest extends InstrumentationTestCase {
 
diff --git a/tests/cts/net/jni/NativeDnsJni.c b/tests/cts/net/jni/NativeDnsJni.c
index 4eb3c7a..352c0c5 100644
--- a/tests/cts/net/jni/NativeDnsJni.c
+++ b/tests/cts/net/jni/NativeDnsJni.c
@@ -126,7 +126,7 @@
         return JNI_FALSE;
     }
 
-    memset(buf, sizeof(buf), 0);
+    memset(buf, 0, sizeof(buf));
     res = getnameinfo((const struct sockaddr*)&sa6, sizeof(sa6), buf, sizeof(buf), NULL, 0, flags);
     if (res != 0) {
         ALOGD("getnameinfo(%s (GoogleDNS) ) gave error %d (%s)", GoogleDNSIpV6Address2,
diff --git a/tests/cts/net/jni/NativeMultinetworkJni.c b/tests/cts/net/jni/NativeMultinetworkJni.c
index ad56b51..6990efa 100644
--- a/tests/cts/net/jni/NativeMultinetworkJni.c
+++ b/tests/cts/net/jni/NativeMultinetworkJni.c
@@ -30,7 +30,7 @@
 #include <sys/time.h>
 #include <android/multinetwork.h>
 
-#define UNUSED(X) ((void) X)
+#define UNUSED(X) ((void) (X))
 
 static const char kHostname[] = "connectivitycheck.android.com";
 
diff --git a/tests/cts/net/src/android/net/http/cts/HttpResponseCacheTest.java b/tests/cts/net/src/android/net/http/cts/HttpResponseCacheTest.java
index 545541d..7987a50 100644
--- a/tests/cts/net/src/android/net/http/cts/HttpResponseCacheTest.java
+++ b/tests/cts/net/src/android/net/http/cts/HttpResponseCacheTest.java
@@ -38,10 +38,11 @@
 public final class HttpResponseCacheTest extends TestCase {
 
     private File cacheDir;
-    private MockWebServer server = new MockWebServer();
+    private MockWebServer server;
 
     @Override public void setUp() throws Exception {
         super.setUp();
+        server = new MockWebServer();
         String tmp = System.getProperty("java.io.tmpdir");
         cacheDir = new File(tmp, "HttpCache-" + UUID.randomUUID());
         cacheDir.mkdirs();
diff --git a/tests/cts/net/src/android/net/wifi/cts/WifiInfoTest.java b/tests/cts/net/src/android/net/wifi/cts/WifiInfoTest.java
index 8719b6b..696d215 100644
--- a/tests/cts/net/src/android/net/wifi/cts/WifiInfoTest.java
+++ b/tests/cts/net/src/android/net/wifi/cts/WifiInfoTest.java
@@ -26,6 +26,7 @@
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.WifiLock;
+import android.net.wifi.WifiSsid;
 import android.test.AndroidTestCase;
 
 import java.util.concurrent.Callable;
@@ -123,7 +124,7 @@
         SupplicantState.isValidState(wifiInfo.getSupplicantState());
         WifiInfo.getDetailedStateOf(SupplicantState.DISCONNECTED);
         String ssid = wifiInfo.getSSID();
-        if (ssid.startsWith("0x") == false) {
+        if (!ssid.startsWith("0x") && !ssid.equals(WifiSsid.NONE)) {
             // Non-hex string should be quoted
             assertTrue(ssid.charAt(0) == '"');
             assertTrue(ssid.charAt(ssid.length() - 1) == '"');