def METHOD_NAME(subintf_config, success_show_sub_status):
    """Verify subintf existence after creation."""
    show_sub_status = {_["sub port interface"]: _ for _ in duthost.show_and_parse("show subinterfaces status")
                       if _["sub port interface"] in subintf_config}
    if len(show_sub_status) == len(subintf_config):
        success_show_sub_status.append(show_sub_status)
        return True
    return False