[    1.969570] ip (278) used greatest stack depth: 12320 bytes left
[   46.994671] netem: version 1.3
[  183.216299] ip (3172) used greatest stack depth: 12176 bytes left
[  390.701436] ip (6872) used greatest stack depth: 12144 bytes left
[  565.563205] tc (11924) used greatest stack depth: 11872 bytes left