[    1.977195] ip (250) used greatest stack depth: 12400 bytes left
[    2.336371] ip (271) used greatest stack depth: 12368 bytes left
[    2.456424] ip (280) used greatest stack depth: 12352 bytes left
[   54.189546] netem: version 1.3
[   74.200871] ip (2363) used greatest stack depth: 12312 bytes left
[  446.348594] ip (7368) used greatest stack depth: 12280 bytes left
[  602.897234] tc (11930) used greatest stack depth: 11936 bytes left