diff --git a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
index 7e288c6..acce95d 100644
--- a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
+++ b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
@@ -52,6 +52,7 @@
 import android.system.Os;
 import android.system.OsConstants;
 import android.system.StructTimeval;
+import android.util.LocalLog;
 import android.util.Log;
 import android.util.SparseArray;
 
@@ -152,6 +153,9 @@
     // TODO: Remove this when TCP polling design is replaced with callback.
     private long mTestLowTcpPollingTimerUntilMs = 0;
 
+    private static final int MAX_EVENTS_LOGS = 40;
+    private final LocalLog mEventLog = new LocalLog(MAX_EVENTS_LOGS);
+
     /**
      * Information about a managed keepalive.
      *
@@ -230,6 +234,7 @@
 
         @Override
         public void binderDied() {
+            mEventLog.log("Binder died : " + mCallback);
             mConnectivityServiceHandler.post(() -> cleanupAutoOnOffKeepalive(this));
         }
 
@@ -332,6 +337,7 @@
      * @param autoKi the keepalive to resume
      */
     public void handleMaybeResumeKeepalive(@NonNull AutomaticOnOffKeepalive autoKi) {
+        mEventLog.log("Resume keepalive " + autoKi.mCallback + " on " + autoKi.getNetwork());
         // Might happen if the automatic keepalive was removed by the app just as the alarm fires.
         if (!mAutomaticOnOffKeepalives.contains(autoKi)) return;
         if (STATE_ALWAYS_ON == autoKi.mAutomaticOnOffState) {
@@ -377,6 +383,7 @@
      * Handle stop all keepalives on the specific network.
      */
     public void handleStopAllKeepalives(NetworkAgentInfo nai, int reason) {
+        mEventLog.log("Stop all keepalives on " + nai.network + " because " + reason);
         mKeepaliveTracker.handleStopAllKeepalives(nai, reason);
         final List<AutomaticOnOffKeepalive> matches =
                 CollectionUtils.filter(mAutomaticOnOffKeepalives, it -> it.mKi.getNai() == nai);
@@ -392,6 +399,7 @@
      */
     public void handleStartKeepalive(Message message) {
         final AutomaticOnOffKeepalive autoKi = (AutomaticOnOffKeepalive) message.obj;
+        mEventLog.log("Start keepalive " + autoKi.mCallback + " on " + autoKi.getNetwork());
         mKeepaliveTracker.handleStartKeepalive(autoKi.mKi);
 
         // Add automatic on/off request into list to track its life cycle.
@@ -410,9 +418,11 @@
 
     private void handleResumeKeepalive(@NonNull final KeepaliveTracker.KeepaliveInfo ki) {
         mKeepaliveTracker.handleStartKeepalive(ki);
+        mEventLog.log("Resumed successfully keepalive " + ki.mCallback + " on " + ki.mNai);
     }
 
     private void handlePauseKeepalive(@NonNull final KeepaliveTracker.KeepaliveInfo ki) {
+        mEventLog.log("Suspend keepalive " + ki.mCallback + " on " + ki.mNai);
         // TODO : mKT.handleStopKeepalive should take a KeepaliveInfo instead
         mKeepaliveTracker.handleStopKeepalive(ki.getNai(), ki.getSlot(), SUCCESS_PAUSED);
     }
@@ -421,6 +431,7 @@
      * Handle stop keepalives on the specific network with given slot.
      */
     public void handleStopKeepalive(@NonNull final AutomaticOnOffKeepalive autoKi, int reason) {
+        mEventLog.log("Stop keepalive " + autoKi.mCallback + " because " + reason);
         // Stop the keepalive unless it was suspended. This includes the case where it's managed
         // but enabled, and the case where it's always on.
         if (autoKi.mAutomaticOnOffState != STATE_SUSPENDED) {
@@ -466,6 +477,11 @@
         try {
             final AutomaticOnOffKeepalive autoKi = new AutomaticOnOffKeepalive(ki,
                     automaticOnOffKeepalives, underpinnedNetwork);
+            mEventLog.log("Start natt keepalive " + cb + " on " + nai.network
+                    + " " + srcAddrString + ":" + srcPort
+                    + " → " + dstAddrString + ":" + dstPort
+                    + " auto=" + autoKi
+                    + " underpinned=" + underpinnedNetwork);
             mConnectivityServiceHandler.obtainMessage(NetworkAgent.CMD_START_SOCKET_KEEPALIVE,
                     // TODO : move ConnectivityService#encodeBool to a static lib.
                     automaticOnOffKeepalives ? 1 : 0, 0, autoKi).sendToTarget();
@@ -496,6 +512,11 @@
         try {
             final AutomaticOnOffKeepalive autoKi = new AutomaticOnOffKeepalive(ki,
                     automaticOnOffKeepalives, underpinnedNetwork);
+            mEventLog.log("Start natt keepalive " + cb + " on " + nai.network
+                    + " " + srcAddrString
+                    + " → " + dstAddrString + ":" + dstPort
+                    + " auto=" + autoKi
+                    + " underpinned=" + underpinnedNetwork);
             mConnectivityServiceHandler.obtainMessage(NetworkAgent.CMD_START_SOCKET_KEEPALIVE,
                     // TODO : move ConnectivityService#encodeBool to a static lib.
                     automaticOnOffKeepalives ? 1 : 0, 0, autoKi).sendToTarget();
@@ -550,6 +571,11 @@
             pw.println(autoKi.toString());
         }
         pw.decreaseIndent();
+
+        pw.println("Events (most recent first):");
+        pw.increaseIndent();
+        mEventLog.reverseDump(pw);
+        pw.decreaseIndent();
     }
 
     /**