[    1.845721] ip (255) used greatest stack depth: 12392 bytes left
[    2.251077] ip (286) used greatest stack depth: 12360 bytes left
[    2.349904] ip (295) used greatest stack depth: 12344 bytes left
[   37.276007] ip (1450) used greatest stack depth: 12192 bytes left
[   53.110888] netem: version 1.3
[  600.843753] tc (12617) used greatest stack depth: 11936 bytes left