diff --git a/service/libconnectivity/Android.bp b/service/libconnectivity/Android.bp
index 391ceacab9..e063af7ce6 100644
--- a/service/libconnectivity/Android.bp
+++ b/service/libconnectivity/Android.bp
@@ -27,6 +27,7 @@ cc_library_shared {
     min_sdk_version: "30",
     static_libs: [
         "connectivity_native_aidl_interface-V1-ndk",
+        "libmodules-utils-build",
     ],
     export_include_dirs: ["include"],
     cflags: [
diff --git a/service/libconnectivity/src/connectivity_native.cpp b/service/libconnectivity/src/connectivity_native.cpp
index a476498ecc..f39bb0a4a8 100644
--- a/service/libconnectivity/src/connectivity_native.cpp
+++ b/service/libconnectivity/src/connectivity_native.cpp
@@ -17,6 +17,7 @@
 #include "connectivity_native.h"
 
 #include <android/binder_manager.h>
+#include <android-modules-utils/sdk_level.h>
 #include <aidl/android/net/connectivity/aidl/ConnectivityNative.h>
 
 using aidl::android::net::connectivity::aidl::IConnectivityNative;
@@ -44,6 +45,7 @@ static int getErrno(const ::ndk::ScopedAStatus& status) {
 }
 
 int AConnectivityNative_blockPortForBind(in_port_t port) {
+    if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
     std::shared_ptr<IConnectivityNative> c = getBinder();
     if (!c) {
         return EAGAIN;
@@ -52,6 +54,7 @@ int AConnectivityNative_blockPortForBind(in_port_t port) {
 }
 
 int AConnectivityNative_unblockPortForBind(in_port_t port) {
+    if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
     std::shared_ptr<IConnectivityNative> c = getBinder();
     if (!c) {
         return EAGAIN;
@@ -60,6 +63,7 @@ int AConnectivityNative_unblockPortForBind(in_port_t port) {
 }
 
 int AConnectivityNative_unblockAllPortsForBind() {
+    if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
     std::shared_ptr<IConnectivityNative> c = getBinder();
     if (!c) {
         return EAGAIN;
@@ -68,6 +72,7 @@ int AConnectivityNative_unblockAllPortsForBind() {
 }
 
 int AConnectivityNative_getPortsBlockedForBind(in_port_t *ports, size_t *count) {
+    if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
     std::shared_ptr<IConnectivityNative> c = getBinder();
     if (!c) {
         return EAGAIN;