[    2.056814] ip (280) used greatest stack depth: 12320 bytes left
[   33.998771] ip (1378) used greatest stack depth: 12272 bytes left
[   47.531599] netem: version 1.3
[  192.013580] ip (3418) used greatest stack depth: 12160 bytes left
[  531.013065] ip (11143) used greatest stack depth: 12032 bytes left
[  559.427470] tc (11921) used greatest stack depth: 11872 bytes left