diff --git a/tests/cts/hostside/Android.bp b/tests/cts/hostside/Android.bp
index 891c2dd..e55ba63 100644
--- a/tests/cts/hostside/Android.bp
+++ b/tests/cts/hostside/Android.bp
@@ -32,6 +32,7 @@
     // Only compile source java files in this apk.
     srcs: ["src/**/*.java"],
     libs: [
+        "net-tests-utils-host-device-common",
         "cts-tradefed",
         "tradefed",
     ],
diff --git a/tests/cts/hostside/TEST_MAPPING b/tests/cts/hostside/TEST_MAPPING
index 2cfd7af..dc86fb1 100644
--- a/tests/cts/hostside/TEST_MAPPING
+++ b/tests/cts/hostside/TEST_MAPPING
@@ -11,6 +11,20 @@
         },
         {
           "exclude-annotation": "android.platform.test.annotations.RequiresDevice"
+        },
+        {
+          "exclude-annotation": "com.android.testutils.SkipPresubmit"
+        }
+      ]
+    }
+  ],
+  "postsubmit": [
+    {
+      // Postsubmit on virtual devices to monitor flakiness of @SkipPresubmit methods
+      "name": "CtsHostsideNetworkTests",
+      "options": [
+        {
+          "exclude-annotation": "androidx.test.filters.RequiresDevice"
         }
       ]
     }
diff --git a/tests/cts/hostside/src/com/android/cts/net/HostsideVpnTests.java b/tests/cts/hostside/src/com/android/cts/net/HostsideVpnTests.java
index 691ac90..4f21af7 100644
--- a/tests/cts/hostside/src/com/android/cts/net/HostsideVpnTests.java
+++ b/tests/cts/hostside/src/com/android/cts/net/HostsideVpnTests.java
@@ -18,6 +18,8 @@
 
 import android.platform.test.annotations.RequiresDevice;
 
+import com.android.testutils.SkipPresubmit;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -35,11 +37,13 @@
         uninstallPackage(TEST_APP2_PKG, true);
     }
 
+    @SkipPresubmit(reason = "Out of SLO flakiness")
     @Test
     public void testChangeUnderlyingNetworks() throws Exception {
         runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testChangeUnderlyingNetworks");
     }
 
+    @SkipPresubmit(reason = "Out of SLO flakiness")
     @Test
     public void testDefault() throws Exception {
         runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testDefault");
@@ -162,6 +166,7 @@
         runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testBlockIncomingPackets");
     }
 
+    @SkipPresubmit(reason = "Out of SLO flakiness")
     @Test
     public void testSetVpnDefaultForUids() throws Exception {
         runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testSetVpnDefaultForUids");