[    1.959746] ip (268) used greatest stack depth: 12520 bytes left
[    2.044280] ip (277) used greatest stack depth: 12344 bytes left
[    2.128646] ip (287) used greatest stack depth: 12216 bytes left
[    3.217277] ip (403) used greatest stack depth: 11960 bytes left
[   52.021534] netem: version 1.3
[  580.804440] tc (16943) used greatest stack depth: 11928 bytes left
[  636.889261] pm_nl_ctl (20244) used greatest stack depth: 11800 bytes left