[    1.784366] ip (249) used greatest stack depth: 12880 bytes left
[    1.859573] ip (254) used greatest stack depth: 12368 bytes left
[    2.278566] ip (288) used greatest stack depth: 12320 bytes left
[   51.407933] netem: version 1.3
[  459.666694] ip (8028) used greatest stack depth: 12128 bytes left
[  574.583430] tc (11929) used greatest stack depth: 11832 bytes left