[    1.927320] ip (279) used greatest stack depth: 12320 bytes left
[    3.046480] ip (378) used greatest stack depth: 12272 bytes left
[   47.538814] netem: version 1.3
[  365.866668] ip (6206) used greatest stack depth: 12048 bytes left
[  551.580980] tc (11921) used greatest stack depth: 11872 bytes left