[    2.001400] ip (277) used greatest stack depth: 12320 bytes left
[    3.091045] ip (380) used greatest stack depth: 12272 bytes left
[   47.408213] netem: version 1.3
[   57.795337] ip (2219) used greatest stack depth: 12160 bytes left
[  396.577813] ip (6783) used greatest stack depth: 12048 bytes left
[  568.713051] tc (11919) used greatest stack depth: 11872 bytes left