[    1.749254] ip (254) used greatest stack depth: 12296 bytes left
[    2.174397] ip (295) used greatest stack depth: 12248 bytes left
[    2.914785] ip (373) used greatest stack depth: 12232 bytes left
[   48.892923] netem: version 1.3
[   57.489485] ip (2999) used greatest stack depth: 12104 bytes left
[  564.040157] tc (15678) used greatest stack depth: 11952 bytes left
[  623.733152] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left