[    1.984283] ip (256) used greatest stack depth: 12896 bytes left
[    2.018272] ip (259) used greatest stack depth: 12392 bytes left
[    2.512453] ip (287) used greatest stack depth: 12360 bytes left
[    2.638968] ip (296) used greatest stack depth: 12344 bytes left
[   58.522319] netem: version 1.3
[   74.408186] ip (2799) used greatest stack depth: 12160 bytes left
[  600.283936] tc (13802) used greatest stack depth: 11936 bytes left