[    2.036354] ip (260) used greatest stack depth: 12344 bytes left
[   41.816522] ip (1981) used greatest stack depth: 12296 bytes left
[   48.655247] netem: version 1.3
[  293.860656] ip (4800) used greatest stack depth: 12072 bytes left
[  555.719115] tc (11935) used greatest stack depth: 11872 bytes left