[    2.004286] ip (260) used greatest stack depth: 12512 bytes left
[    2.094033] ip (269) used greatest stack depth: 12320 bytes left
[    2.263832] ip (287) used greatest stack depth: 12272 bytes left
[   47.807917] netem: version 1.3
[  562.381685] tc (11918) used greatest stack depth: 11872 bytes left