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