[    2.314865] ip (273) used greatest stack depth: 12504 bytes left
[    2.690014] ip (301) used greatest stack depth: 12272 bytes left
[   46.318683] ip (1968) used greatest stack depth: 12240 bytes left
[   65.244534] netem: version 1.3
[  311.437826] ip (5577) used greatest stack depth: 12192 bytes left
[  639.986315] tc (15593) used greatest stack depth: 11936 bytes left
[  707.237144] pm_nl_ctl (18731) used greatest stack depth: 11880 bytes left