diff --git a/framework-t/api/system-current.txt b/framework-t/api/system-current.txt
index c502f72..0149115 100644
--- a/framework-t/api/system-current.txt
+++ b/framework-t/api/system-current.txt
@@ -37,7 +37,7 @@
 
   public final class EthernetNetworkUpdateRequest implements android.os.Parcelable {
     method public int describeContents();
-    method @NonNull public android.net.IpConfiguration getIpConfiguration();
+    method @Nullable public android.net.IpConfiguration getIpConfiguration();
     method @Nullable public android.net.NetworkCapabilities getNetworkCapabilities();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.net.EthernetNetworkUpdateRequest> CREATOR;
@@ -47,7 +47,7 @@
     ctor public EthernetNetworkUpdateRequest.Builder();
     ctor public EthernetNetworkUpdateRequest.Builder(@NonNull android.net.EthernetNetworkUpdateRequest);
     method @NonNull public android.net.EthernetNetworkUpdateRequest build();
-    method @NonNull public android.net.EthernetNetworkUpdateRequest.Builder setIpConfiguration(@NonNull android.net.IpConfiguration);
+    method @NonNull public android.net.EthernetNetworkUpdateRequest.Builder setIpConfiguration(@Nullable android.net.IpConfiguration);
     method @NonNull public android.net.EthernetNetworkUpdateRequest.Builder setNetworkCapabilities(@Nullable android.net.NetworkCapabilities);
   }