[    2.344823] ip (282) used greatest stack depth: 12368 bytes left
[    2.448005] ip (291) used greatest stack depth: 12352 bytes left
[   40.725780] ip (1588) used greatest stack depth: 12072 bytes left
[   53.765417] netem: version 1.3
[  579.385401] tc (11937) used greatest stack depth: 11936 bytes left