[    1.936470] ip (258) used greatest stack depth: 12280 bytes left
[    2.243393] ip (287) used greatest stack depth: 12232 bytes left
[   55.161985] netem: version 1.3
[  634.917106] tc (21548) used greatest stack depth: 11952 bytes left
[  691.218450] pm_nl_ctl (24687) used greatest stack depth: 11872 bytes left