code: def send_arp_msg():
      
  
      dev = os.getenv(
              "ARP_INTERFACE",
              "enp0s3").strip().lstrip()
      network_details = netifaces.ifaddresses(
              dev)
      dst_ip = os.getenv(
              "ARP_DST_IP",
              network_details[2][0]["addr"])
      dst_mac = os.getenv(
              "ARP_DST_MAC",
              network_details[17][0]["addr"])
  
      print(("Sending ARP to mac={} ip={}")
            .format(
              dst_mac,
              dst_ip))
  
      answered, unanswered = kamene.srp(
                              kamene.Ether(
                                  dst=dst_mac
                              ) / kamene.ARP(
                                  pdst=dst_ip
                              ),
                              timeout=2,
                              verbose=False)
  
      if len(answered) > 0:
          print(answered[0][0].getlayer(
              kamene.ARP
          ).pdst + " is up")
      elif len(unanswered) > 0:
          print(unanswered[0].getlayer(
              kamene.ARP
          ).pdst + " is down")
docs: send_arp_msg
  
      Send an ``ARP`` message to the network device (``enp0s3`` by default).