> [ 0.000000] (1:send@toto) Sending
> [ 0.000000] (2:receive@toto) Receiving
> [ 0.000000] (2:receive@toto) Got a message sent by 'send'
> [ 0.000000] (1:send@toto) Sending
> [ 0.000000] (2:receive@toto) Receiving
> [ 0.000000] (2:receive@toto) Got a message sent by 'send'