[    2.025608] ip (294) used greatest stack depth: 12248 bytes left
[    3.924126] ip (505) used greatest stack depth: 12232 bytes left
[   28.386136] ip (1529) used greatest stack depth: 12104 bytes left
[   48.576381] netem: version 1.3
[  574.385781] tc (15678) used greatest stack depth: 11952 bytes left
[  633.576965] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left