> [0.000000] [ bob] Create my asynchronous activities
> [0.000000] [ bob] Wait for asynchronous activities to complete
> [1.000000] [ bob] Not all activities are terminated yet.
+> [1.990000] [ carl] Send 'Control Message'
> [2.000000] [ bob] Not all activities are terminated yet.
+> [2.000000] [ bob] Completed a Mess
> [3.000000] [ bob] Not all activities are terminated yet.
> [3.000000] [ bob] Completed an I/O
> [4.000000] [ bob] Not all activities are terminated yet.