[    1.900731] ip (250) used greatest stack depth: 12400 bytes left
[    2.383869] ip (282) used greatest stack depth: 12352 bytes left
[   42.456212] ip (1790) used greatest stack depth: 12040 bytes left
[   54.175948] netem: version 1.3
[  594.085104] tc (12612) used greatest stack depth: 11936 bytes left