def dmesg_output_was_truncated(msgs):
    """
        Checks if the dmesg output has been truncated from startup,
        returns ``True`` if so - ``False`` otherwise. For now, checks
        if there are any messages with "[    0.000000" timestamp string
        that start with "Booting Linux".
    """
    zero_ts_messages = [msg for msg in msgs if msg["rel_timestamp_str"] == "0.000000"]
    if not zero_ts_messages:
        return True
    return not any([msg["message"].startswith("Booting Linux") for msg in zero_ts_messages])