[    2.259442] ip (256) used greatest stack depth: 12912 bytes left
[    2.291201] ip (259) used greatest stack depth: 12392 bytes left
[    2.676030] ip (287) used greatest stack depth: 12360 bytes left
[    4.100750] ip (393) used greatest stack depth: 12344 bytes left
[   55.914497] netem: version 1.3
[   64.968179] ip (2368) used greatest stack depth: 12304 bytes left
[   74.729307] ip (2494) used greatest stack depth: 12064 bytes left
[  611.003874] tc (12620) used greatest stack depth: 11936 bytes left