code: def EnableNetworkInterfaces(
        self, interfaces, logger, dhclient_script=None):
      
      interfaces_to_up = [i for i in interfaces if i != 'eth0']
      if interfaces_to_up:
        logger.info('Enabling the Ethernet interfaces %s.', interfaces_to_up)
        self._Dhcpcd(interfaces_to_up, logger)
docs: Enable the list of network interfaces.
  
      Args:
        interfaces: list of string, the output device names to enable.
        logger: logger object, used to write to SysLog and serial port.
        dhclient_script: string, the path to a dhclient script used by dhclient.