[    1.759310] ip (250) used greatest stack depth: 12896 bytes left
[    1.837927] ip (255) used greatest stack depth: 12368 bytes left
[    2.051048] ip (272) used greatest stack depth: 12320 bytes left
[   43.844207] ip (2006) used greatest stack depth: 12272 bytes left
[   50.937345] netem: version 1.3
[  587.401749] tc (11949) used greatest stack depth: 11872 bytes left