[    2.014874] ip (247) used greatest stack depth: 12912 bytes left
[    2.217397] ip (259) used greatest stack depth: 12344 bytes left
[   54.208302] netem: version 1.3
[   72.680544] ip (2386) used greatest stack depth: 12184 bytes left
[  567.216804] tc (11937) used greatest stack depth: 11872 bytes left