[    2.318531] ip (286) used greatest stack depth: 12344 bytes left
[   57.369254] netem: version 1.3
[  309.890389] ip (5231) used greatest stack depth: 12192 bytes left
[  439.846815] ip (8235) used greatest stack depth: 12064 bytes left
[  619.477315] tc (13803) used greatest stack depth: 11936 bytes left
[  685.073240] pm_nl_ctl (16878) used greatest stack depth: 11848 bytes left