[    1.809483] ip (294) used greatest stack depth: 12232 bytes left
[    4.420117] ip (622) used greatest stack depth: 12216 bytes left
[   46.759919] netem: version 1.3
[  609.985926] tc (21429) used greatest stack depth: 11952 bytes left
[  668.411256] pm_nl_ctl (24565) used greatest stack depth: 11736 bytes left