[    2.537578] ip (274) used greatest stack depth: 12976 bytes left
[    2.623793] ip (280) used greatest stack depth: 12928 bytes left
[    2.648637] ip (282) used greatest stack depth: 12704 bytes left
[    2.784845] ip (291) used greatest stack depth: 12384 bytes left
[   23.252751] ip (1285) used greatest stack depth: 12256 bytes left
[   66.175665] netem: version 1.3
[  640.652104] tc (15680) used greatest stack depth: 11936 bytes left
[  705.327482] pm_nl_ctl (18827) used greatest stack depth: 11880 bytes left