prov_dev_client_ll_x509_sample doesn't work

[ta-sann]

I use Release LTS_03_2025 azure-iot-sdk-c,I have set id_stope, x509 certificate, and x509 private key.
And i am seeing below errors from sdk code.

Error: Time:Tue Sep 2 11:43:22 2025 File:./azure-iot-sdk-c/c-utility/adapters/socketio_berkeley.c Func:socketio_dowork Line:1114 Socketio_Failure: Receiving data from endpoint: errno=22.

Error: Time:Tue Sep 2 11:43:23 2025 File:./azure-iot-sdk-c/umqtt/src/mqtt_client.c Func:onOpenComplete Line:458 Error: failure opening connection to endpoint

Error: Time:Tue Sep 2 11:43:23 2025 File:./azure-iot-sdk-c/provisioning_client/src/prov_transport_mqtt_common.c Func:mqtt_error_callback Line:139 MQTT communication error

Error: Time:Tue Sep 2 11:43:23 2025 File:./azure-iot-sdk-c/provisioning_client/src/prov_device_ll_client.c Func:on_transport_registration_data Line:762 Failure retrieving data from the provisioning service

How do I resolve this issue?