diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/ConnOnActivityStartTest.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/ConnOnActivityStartTest.java
index 098f295..10775d0 100644
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/ConnOnActivityStartTest.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/ConnOnActivityStartTest.java
@@ -75,6 +75,8 @@
     @RequiredProperties({DOZE_MODE})
     public void testStartActivity_doze() throws Exception {
         setDozeMode(true);
+        // TODO (235284115): We need to turn on Doze every time before starting
+        // the activity.
         assertLaunchedActivityHasNetworkAccess("testStartActivity_doze");
     }
 
@@ -83,6 +85,8 @@
     public void testStartActivity_appStandby() throws Exception {
         turnBatteryOn();
         setAppIdle(true);
+        // TODO (235284115): We need to put the app into app standby mode every
+        // time before starting the activity.
         assertLaunchedActivityHasNetworkAccess("testStartActivity_appStandby");
     }
 
diff --git a/tests/cts/hostside/src/com/android/cts/net/HostsideConnOnActivityStartTest.java b/tests/cts/hostside/src/com/android/cts/net/HostsideConnOnActivityStartTest.java
index 3387fd7..cfd3130 100644
--- a/tests/cts/hostside/src/com/android/cts/net/HostsideConnOnActivityStartTest.java
+++ b/tests/cts/hostside/src/com/android/cts/net/HostsideConnOnActivityStartTest.java
@@ -16,6 +16,8 @@
 
 package com.android.cts.net;
 
+import android.platform.test.annotations.FlakyTest;
+
 public class HostsideConnOnActivityStartTest extends HostsideNetworkTestCase {
     private static final String TEST_CLASS = TEST_PKG + ".ConnOnActivityStartTest";
     @Override
@@ -41,6 +43,7 @@
         runDeviceTests(TEST_PKG, TEST_CLASS, "testStartActivity_dataSaver");
     }
 
+    @FlakyTest(bugId = 231440256)
     public void testStartActivity_doze() throws Exception {
         runDeviceTests(TEST_PKG, TEST_CLASS, "testStartActivity_doze");
     }