[    1.959501] ip (256) used greatest stack depth: 12392 bytes left
[    2.376266] ip (287) used greatest stack depth: 12344 bytes left
[   18.447235] ip (1270) used greatest stack depth: 12192 bytes left
[   57.321626] netem: version 1.3
[  627.527101] tc (15593) used greatest stack depth: 11936 bytes left
[  694.219701] pm_nl_ctl (18730) used greatest stack depth: 11872 bytes left