[t=0.000,src=n0,grp=def] Send 1 bytes to n1 on eth0
[t=0.000,src=n1,grp=def] Receive failed code=RCode.TIMEOUT_EXPIRE
[t=1.000,src=n1,grp=def] Receive 1 bytes on eth0
[t=1.000,src=n1,grp=def] Received: Hello World!
[t=1.000,src=esds] Simulation ends