[    1.540342] ip (253) used greatest stack depth: 12304 bytes left
[    1.834613] ip (285) used greatest stack depth: 12272 bytes left
[   15.154090] ip (1287) used greatest stack depth: 11976 bytes left
[   49.292513] netem: version 1.3
[  562.573885] tc (15678) used greatest stack depth: 11952 bytes left
[  620.924572] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left