[    2.203398] ip (258) used greatest stack depth: 12392 bytes left
[    2.319150] ip (266) used greatest stack depth: 12344 bytes left
[    2.410524] ip (275) used greatest stack depth: 12296 bytes left
[    2.574210] ip (293) used greatest stack depth: 12168 bytes left
[   77.591900] netem: version 1.3
[  540.536929] ip (14426) used greatest stack depth: 12088 bytes left
[  655.498542] tc (20920) used greatest stack depth: 11864 bytes left
[  726.174259] pm_nl_ctl (24828) used greatest stack depth: 11848 bytes left