[    1.638011] ip (258) used greatest stack depth: 12248 bytes left
[    3.081807] ip (429) used greatest stack depth: 12216 bytes left
[    8.868190] ip (1092) used greatest stack depth: 11976 bytes left
[   48.842359] netem: version 1.3
[  542.769216] tc (16941) used greatest stack depth: 11920 bytes left
[  598.117679] pm_nl_ctl (20244) used greatest stack depth: 11864 bytes left