[    1.868464] ip (267) used greatest stack depth: 12424 bytes left
[    1.953680] ip (276) used greatest stack depth: 12344 bytes left
[    2.123067] ip (294) used greatest stack depth: 12168 bytes left
[    3.090205] ip (408) used greatest stack depth: 12152 bytes left
[   39.443951] ip (2133) used greatest stack depth: 11992 bytes left
[   76.450205] netem: version 1.3
[  616.429897] tc (20924) used greatest stack depth: 11864 bytes left
[  680.551389] pm_nl_ctl (24830) used greatest stack depth: 11848 bytes left