diff --git a/Tethering/src/android/net/ip/IpServer.java b/Tethering/src/android/net/ip/IpServer.java
index c45ce83..3428c1d 100644
--- a/Tethering/src/android/net/ip/IpServer.java
+++ b/Tethering/src/android/net/ip/IpServer.java
@@ -1054,8 +1054,16 @@
         mLastRaParams = newParams;
     }
 
-    private void logMessage(State state, int what) {
-        mLog.log(state.getName() + " got " + sMagicDecoderRing.get(what, Integer.toString(what)));
+    private void maybeLogMessage(State state, int what) {
+        switch (what) {
+            // Suppress some CMD_* to avoid log flooding.
+            case CMD_IPV6_TETHER_UPDATE:
+            case CMD_NEIGHBOR_EVENT:
+                break;
+            default:
+                mLog.log(state.getName() + " got "
+                        + sMagicDecoderRing.get(what, Integer.toString(what)));
+        }
     }
 
     private void sendInterfaceState(int newInterfaceState) {
@@ -1095,7 +1103,7 @@
 
         @Override
         public boolean processMessage(Message message) {
-            logMessage(this, message.what);
+            maybeLogMessage(this, message.what);
             switch (message.what) {
                 case CMD_TETHER_REQUESTED:
                     mLastError = TetheringManager.TETHER_ERROR_NO_ERROR;
@@ -1180,7 +1188,6 @@
 
         @Override
         public boolean processMessage(Message message) {
-            logMessage(this, message.what);
             switch (message.what) {
                 case CMD_TETHER_UNREQUESTED:
                     transitionTo(mInitialState);
@@ -1238,7 +1245,7 @@
         public boolean processMessage(Message message) {
             if (super.processMessage(message)) return true;
 
-            logMessage(this, message.what);
+            maybeLogMessage(this, message.what);
             switch (message.what) {
                 case CMD_TETHER_REQUESTED:
                     mLog.e("CMD_TETHER_REQUESTED while in local-only hotspot mode.");
@@ -1306,7 +1313,7 @@
         public boolean processMessage(Message message) {
             if (super.processMessage(message)) return true;
 
-            logMessage(this, message.what);
+            maybeLogMessage(this, message.what);
             switch (message.what) {
                 case CMD_TETHER_REQUESTED:
                     mLog.e("CMD_TETHER_REQUESTED while already tethering.");
@@ -1417,7 +1424,7 @@
     class WaitingForRestartState extends State {
         @Override
         public boolean processMessage(Message message) {
-            logMessage(this, message.what);
+            maybeLogMessage(this, message.what);
             switch (message.what) {
                 case CMD_TETHER_UNREQUESTED:
                     transitionTo(mInitialState);