ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);