[    1.573308] ip (250) used greatest stack depth: 12368 bytes left
[    1.794224] ip (271) used greatest stack depth: 12320 bytes left
[    4.516350] ip (548) used greatest stack depth: 12160 bytes left
[   46.239328] netem: version 1.3
[  286.685870] ip (4909) used greatest stack depth: 12144 bytes left
[  292.713711] ip (5002) used greatest stack depth: 12016 bytes left
[  533.355342] tc (11920) used greatest stack depth: 11872 bytes left