[    2.126942] ip (268) used greatest stack depth: 12416 bytes left
[    2.412964] ip (297) used greatest stack depth: 12312 bytes left
[    3.596311] ip (431) used greatest stack depth: 12256 bytes left
[    4.456011] ip (531) used greatest stack depth: 12176 bytes left
[   54.006820] netem: version 1.3
[  571.589593] tc (16942) used greatest stack depth: 11920 bytes left
[  630.517021] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left