diff --git a/netbpfload/netbpfload.mainline.rc b/netbpfload/netbpfload.mainline.rc
index d7202f7..d38a503 100644
--- a/netbpfload/netbpfload.mainline.rc
+++ b/netbpfload/netbpfload.mainline.rc
@@ -10,6 +10,7 @@
     capabilities CHOWN SYS_ADMIN NET_ADMIN
     group system root graphics network_stack net_admin net_bw_acct net_bw_stats net_raw
     user system
+    file /dev/kmsg w
     rlimit memlock 1073741824 1073741824
     oneshot
     reboot_on_failure reboot,bpfloader-failed
diff --git a/staticlibs/device/com/android/net/module/util/structs/PrefixInformationOption.java b/staticlibs/device/com/android/net/module/util/structs/PrefixInformationOption.java
index 49d7654..0fc85e4 100644
--- a/staticlibs/device/com/android/net/module/util/structs/PrefixInformationOption.java
+++ b/staticlibs/device/com/android/net/module/util/structs/PrefixInformationOption.java
@@ -21,6 +21,7 @@
 import android.net.IpPrefix;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.net.module.util.Struct;
 import com.android.net.module.util.Struct.Field;
@@ -71,7 +72,8 @@
     @Field(order = 7, type = Type.ByteArray, arraysize = 16)
     public final byte[] prefix;
 
-    PrefixInformationOption(final byte type, final byte length, final byte prefixLen,
+    @VisibleForTesting
+    public PrefixInformationOption(final byte type, final byte length, final byte prefixLen,
             final byte flags, final long validLifetime, final long preferredLifetime,
             final int reserved, @NonNull final byte[] prefix) {
         this.type = type;
diff --git a/thread/tests/integration/src/android/net/thread/ThreadNetworkControllerTest.java b/thread/tests/integration/src/android/net/thread/ThreadNetworkControllerTest.java
index 496ec9f..ba04348 100644
--- a/thread/tests/integration/src/android/net/thread/ThreadNetworkControllerTest.java
+++ b/thread/tests/integration/src/android/net/thread/ThreadNetworkControllerTest.java
@@ -27,6 +27,7 @@
 import static org.junit.Assert.assertThrows;
 
 import android.content.Context;
+import android.net.thread.utils.ThreadFeatureCheckerRule;
 import android.net.thread.utils.ThreadFeatureCheckerRule.RequiresThreadFeature;
 import android.os.OutcomeReceiver;
 import android.util.SparseIntArray;
@@ -37,6 +38,7 @@
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -64,6 +66,8 @@
                 }
             };
 
+    @Rule public final ThreadFeatureCheckerRule mThreadRule = new ThreadFeatureCheckerRule();
+
     private final Context mContext = ApplicationProvider.getApplicationContext();
     private ExecutorService mExecutor;
     private ThreadNetworkController mController;