def METHOD_NAME(self, output_string, expected_strings):
    """
    Verify substrings in string
    Args:
       output_string (str): the output of cmd
       expected_strings (list) : list of strings
    Returns:
        bool: return True if all expected_strings in output_string, otherwise False
    """
    if output_string is None:
        return False
    matched_result = []
    for expected_string in expected_strings:
        if expected_string in output_string:
            log.info(f"expected string:{expected_string} in {output_string}")
            matched_result.append(True)
            continue
        log.error(f"expected string:{expected_string} not in {output_string}")
        matched_result.append(False)
    return all(matched_result)