[    1.731335] ip (255) used greatest stack depth: 12280 bytes left
[    2.104976] ip (293) used greatest stack depth: 12232 bytes left
[   48.285136] netem: version 1.3
[  644.262982] tc (21329) used greatest stack depth: 11952 bytes left
[  701.575208] pm_nl_ctl (24471) used greatest stack depth: 11872 bytes left