[    1.751951] ip (259) used greatest stack depth: 12168 bytes left
[   50.361890] netem: version 1.3
[  489.919584] ip (15275) used greatest stack depth: 12120 bytes left
[  543.811023] tc (16943) used greatest stack depth: 11896 bytes left
[  600.502173] pm_nl_ctl (20244) used greatest stack depth: 11768 bytes left