[    1.984113] ip (267) used greatest stack depth: 12512 bytes left
[    2.074633] ip (276) used greatest stack depth: 12456 bytes left
[    3.291088] ip (409) used greatest stack depth: 12360 bytes left
[    3.371125] ip (418) used greatest stack depth: 12328 bytes left
[   54.374174] netem: version 1.3
[  580.818222] tc (15679) used greatest stack depth: 11952 bytes left
[  641.109374] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left