[    1.659388] ip (257) used greatest stack depth: 12264 bytes left
[    1.971273] ip (286) used greatest stack depth: 12216 bytes left
[   22.155186] ip (1392) used greatest stack depth: 12200 bytes left
[   49.554266] netem: version 1.3
[  615.326025] tc (20788) used greatest stack depth: 11952 bytes left
[  672.501445] pm_nl_ctl (23927) used greatest stack depth: 11872 bytes left