[    2.035523] ip (285) used greatest stack depth: 12248 bytes left
[    4.430465] ip (542) used greatest stack depth: 11976 bytes left
[   49.840122] netem: version 1.3
[  552.230206] tc (15680) used greatest stack depth: 11952 bytes left
[  610.508294] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left