[    1.829503] ip (270) used greatest stack depth: 12320 bytes left
[    3.843652] ip (476) used greatest stack depth: 12272 bytes left
[   45.235766] netem: version 1.3
[  176.121693] ip (3414) used greatest stack depth: 12160 bytes left
[  460.494823] ip (8782) used greatest stack depth: 12048 bytes left
[  545.331686] tc (11914) used greatest stack depth: 11872 bytes left