diff --git a/rro_overlays/NetworkOverlay/Android.bp b/rro_overlays/NetworkOverlay/Android.bp
new file mode 100644
index 00000000..92e315a9
--- /dev/null
+++ b/rro_overlays/NetworkOverlay/Android.bp
@@ -0,0 +1,22 @@
+//
+// Copyright (C) 2020 The Android Open-Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+runtime_resource_overlay {
+    name: "NetworkConfigOverlay",
+    resource_dirs: ["res"],
+    product_specific: true,
+    sdk_version: "current",
+}
diff --git a/rro_overlays/NetworkOverlay/AndroidManifest.xml b/rro_overlays/NetworkOverlay/AndroidManifest.xml
new file mode 100644
index 00000000..26b87960
--- /dev/null
+++ b/rro_overlays/NetworkOverlay/AndroidManifest.xml
@@ -0,0 +1,11 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.networkstack.celadon"
+    android:versionCode="1"
+    android:versionName="1.0">
+    <application android:hasCode="false" />
+    <overlay
+      android:targetPackage="com.android.networkstack"
+      android:isStatic="true"
+      android:targetName="NetworkStackConfig"
+      android:priority="0"/>
+</manifest>
diff --git a/rro_overlays/NetworkOverlay/res/values/config.xml b/rro_overlays/NetworkOverlay/res/values/config.xml
new file mode 100644
index 00000000..feff7b73
--- /dev/null
+++ b/rro_overlays/NetworkOverlay/res/values/config.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2020, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!--suppress CheckTagEmptyBody: overlayable resource to use as configuration hook -->
+    <string name="config_captive_portal_http_url" translatable="false">http://connect.rom.miui.com/generate_204</string>
+    <!--suppress CheckTagEmptyBody: overlayable resource to use as configuration hook -->
+    <string name="config_captive_portal_https_url" translatable="false">https://connect.rom.miui.com/generate_204</string>
+</resources>
diff --git a/rro_overlays/ServiceConnectivityResourcesOverlay/Android.bp b/rro_overlays/ServiceConnectivityResourcesOverlay/Android.bp
new file mode 100644
index 00000000..5ed47e36
--- /dev/null
+++ b/rro_overlays/ServiceConnectivityResourcesOverlay/Android.bp
@@ -0,0 +1,23 @@
+//
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+runtime_resource_overlay {
+    name: "ServiceConnectivityResourcesConfigOverlay",
+    sdk_version: "current",
+    resource_dirs: ["res"],
+    product_specific: true,
+}
+
diff --git a/rro_overlays/ServiceConnectivityResourcesOverlay/AndroidManifest.xml b/rro_overlays/ServiceConnectivityResourcesOverlay/AndroidManifest.xml
new file mode 100644
index 00000000..9887008e
--- /dev/null
+++ b/rro_overlays/ServiceConnectivityResourcesOverlay/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+<!-- Manifest for connectivity resources APK -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.connectivity.resources.celadon"
+          android:versionCode="1"
+          android:versionName="1.0">
+    <application android:hasCode="false" />
+     <overlay
+      android:targetPackage="com.android.connectivity.resources"
+      android:targetName="ServiceConnectivityResourcesConfig"
+      android:isStatic="true"
+      android:priority="0"/>    
+</manifest>
diff --git a/rro_overlays/ServiceConnectivityResourcesOverlay/res/values/config.xml b/rro_overlays/ServiceConnectivityResourcesOverlay/res/values/config.xml
new file mode 100644
index 00000000..c3089be5
--- /dev/null
+++ b/rro_overlays/ServiceConnectivityResourcesOverlay/res/values/config.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+
+    <!-- Default supported concurrent socket keepalive slots per transport type, used by
+         ConnectivityManager.createSocketKeepalive() for calculating the number of keepalive
+         offload slots that should be reserved for privileged access. This string array should be
+         overridden by the device to present the capability of creating socket keepalives. -->
+    <!-- An Array of "[NetworkCapabilities.TRANSPORT_*],[supported keepalives] -->
+    <string-array translatable="false" name="config_networkSupportedKeepaliveCount">
+    </string-array>
+
+</resources>