[    1.983610] ip (294) used greatest stack depth: 12232 bytes left
[    6.612743] ip (882) used greatest stack depth: 12216 bytes left
[   47.346343] netem: version 1.3
[  629.902786] tc (21304) used greatest stack depth: 11952 bytes left
[  688.909373] pm_nl_ctl (24444) used greatest stack depth: 11872 bytes left