[    1.524497] ip (267) used greatest stack depth: 12344 bytes left
[    1.741645] ip (295) used greatest stack depth: 12232 bytes left
[    2.827394] ip (429) used greatest stack depth: 12200 bytes left
[   51.377023] netem: version 1.3
[  113.293989] ip (3895) used greatest stack depth: 12120 bytes left
[  557.435526] tc (16940) used greatest stack depth: 11888 bytes left
[  614.478395] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left