:param pcap_output_file: PCAP destination file for the capture
        :param pcap_data_link_type: PCAP data link type (DLT_*), default is DLT_EN10MB

def startPacketCapture(self, pcap_output_file, pcap_data_link_type="DLT_EN10MB"):
        """
        :param pcap_output_file: PCAP destination file for the capture
        :param pcap_data_link_type: PCAP data link type (DLT_*), default is DLT_EN10MB
        """

        self._capturing = True
        self._pcap_output_file = pcap_output_file
        self._pcap_data_link_type = pcap_data_link_type