def METHOD_NAME(self):
    '''
    Comparing speed
    '''
    speed = self.get_network_sysfs_param("speed")
    cmd = "ethtool %s" % self.iface
    for line in process.system_output(cmd, shell=True).decode("utf-8") \
                                                      .splitlines():
        if 'Speed' in line:
            eth_speed = line.split()[-1].strip('Mb/s')
    if speed != eth_speed:
        self.fail("mis match in speed")