! output sort
$ msg/get_sender  ${srcdir:=.}/msg/get_sender_p.xml ${srcdir:=.}/msg/get_sender_d.xml "--log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n"
> [  0.000000] (1:send@toto) Sending
> [  0.000000] (2:receive@toto) Receiving
> [  0.000000] (2:receive@toto) Got a message sent by 'send'
> [  1.000000] (1:send@toto) Exiting
