[    2.085469] ip (260) used greatest stack depth: 12576 bytes left
[    2.316899] ip (278) used greatest stack depth: 12320 bytes left
[   51.351993] netem: version 1.3
[   60.981458] ip (2253) used greatest stack depth: 12272 bytes left
[   87.679979] ip (2473) used greatest stack depth: 12048 bytes left
[  590.890183] tc (11942) used greatest stack depth: 11872 bytes left