[    1.937407] ip (295) used greatest stack depth: 12216 bytes left
[   28.711157] ip (1680) used greatest stack depth: 12200 bytes left
[   49.377677] netem: version 1.3
[  544.452202] tc (16943) used greatest stack depth: 11920 bytes left
[  598.372275] pm_nl_ctl (20243) used greatest stack depth: 11872 bytes left