[    2.370260] ip (295) used greatest stack depth: 12200 bytes left
[    5.462511] ip (615) used greatest stack depth: 12168 bytes left
[   31.554230] ip (1909) used greatest stack depth: 12136 bytes left
[   72.734171] netem: version 1.3
[  627.044742] tc (20918) used greatest stack depth: 11864 bytes left
[  691.671031] pm_nl_ctl (24823) used greatest stack depth: 11800 bytes left