[    1.992521] ip (257) used greatest stack depth: 12392 bytes left
[    2.388376] ip (285) used greatest stack depth: 12360 bytes left
[    3.679731] ip (373) used greatest stack depth: 12344 bytes left
[   54.808244] netem: version 1.3
[  441.848159] ip (8065) used greatest stack depth: 12160 bytes left
[  579.737803] tc (12616) used greatest stack depth: 11936 bytes left