[    1.591352] ip (254) used greatest stack depth: 12280 bytes left
[    1.963584] ip (295) used greatest stack depth: 12232 bytes left
[   52.894096] netem: version 1.3
[  645.243269] tc (21249) used greatest stack depth: 11952 bytes left
[  700.531212] pm_nl_ctl (24387) used greatest stack depth: 11872 bytes left