> [ 0.000000] (1:sleeper@node-0.simgrid.org) Hello! I go to sleep.
> [ 0.000000] (2:sleeper@node-1.simgrid.org) Hello! I go to sleep.
> [ 2.000000] (3:sleeper@node-0.simgrid.org) Hello! I go to sleep.
> [ 0.000000] (1:sleeper@node-0.simgrid.org) Hello! I go to sleep.
> [ 0.000000] (2:sleeper@node-1.simgrid.org) Hello! I go to sleep.
> [ 2.000000] (3:sleeper@node-0.simgrid.org) Hello! I go to sleep.