add missing endpoints field label conversion function

pkg/api/v1beta3/conversion.go

@@ -153,6 +153,19 @@ func addConversionFuncs() {
 		// If one of the conversion functions is malformed, detect it immediately.
 		panic(err)
 	}
+	err = api.Scheme.AddFieldLabelConversionFunc("v1beta3", "Endpoints",
+		func(label, value string) (string, string, error) {
+			switch label {
+			case "metadata.name":
+				return label, value, nil
+			default:
+				return "", "", fmt.Errorf("field label not supported: %s", label)
+			}
+		})
+	if err != nil {
+		// If one of the conversion functions is malformed, detect it immediately.
+		panic(err)
+	}
 }
 
 func convert_v1beta3_Container_To_api_Container(in *Container, out *api.Container, s conversion.Scope) error {