1
21 ip:::send    (args[2]: 4 64, args[4]: 4 84 2 0 255)
31 ip:::send    (args[2]: 4 64, args[4]: 4 84 2 0 255)
42 ip:::receive (args[2]: 4 64, args[4]: 4 84 2 0 255)
52 ip:::receive (args[2]: 4 64, args[4]: 4 84 2 0 255)
6127.0.0.1 is alive
7