$ msg/task_destroy_cancel ${srcdir:=.}/msg/task_destroy_cancel_p.xml ${srcdir:=.}/msg/task_destroy_cancel_d.xml
> [Tremblay:master:(1) 0.000000] [msg_test/INFO] Sending task: "normal"
> [Jupiter:slave:(2) 0.027003] [msg_test/INFO] Handling task "normal"
> [Tremblay:master:(1) 0.027003] [msg_test/INFO] Canceling task "cancel directly" directly
> [Tremblay:master:(1) 0.027003] [msg_test/INFO] Destroying task "destroy directly" directly
> [Tremblay:master:(1) 0.027003] [msg_test/INFO] Canceling task "cancel" during comm
> [Tremblay:master:(1) 0.027003] [msg_test/INFO] Destroying task "finalize" during comm
> [Jupiter:slave:(2) 0.682345] [msg_test/INFO] Task "normal" done in 0.655342 (amount 0.000000)
> [Jupiter:slave:(2) 0.709348] [msg_test/INFO] Handling task "cancel"
> [Jupiter:worker1:(3) 0.709348] [msg_test/INFO] Start cancel
> [Jupiter:slave:(2) 0.709348] [msg_test/INFO] Canceling task "cancel"
> [Jupiter:worker1:(3) 0.710127] [msg_test/INFO] Task failed
> [Tremblay:master:(1) 0.736350] [msg_test/INFO] Goodbye now!
> [Jupiter:slave:(2) 0.736350] [msg_test/INFO] Handling task "finalize"
> [Jupiter:slave:(2) 0.736350] [msg_test/INFO] Destroying task "finalize"
> [Jupiter:slave:(2) 0.736350] [msg_test/INFO] I'm done. See you!
> [0.736350] [msg_test/INFO] Simulation time 0.73635