[    1.789300] ip (248) used greatest stack depth: 12392 bytes left
[    1.980858] ip (260) used greatest stack depth: 12344 bytes left
[   36.337517] ip (1477) used greatest stack depth: 12184 bytes left
[   51.037944] netem: version 1.3
[  104.953546] ip (2627) used greatest stack depth: 12168 bytes left
[  573.411128] tc (11919) used greatest stack depth: 11872 bytes left