[    2.055932] ip (260) used greatest stack depth: 12344 bytes left
[    9.876156] ip (849) used greatest stack depth: 12296 bytes left
[   53.106244] netem: version 1.3
[  391.224901] ip (6492) used greatest stack depth: 12072 bytes left
[  577.299036] tc (11930) used greatest stack depth: 11872 bytes left