[    1.932713] ip (254) used greatest stack depth: 12912 bytes left
[    1.972363] ip (257) used greatest stack depth: 12392 bytes left
[    2.293360] ip (276) used greatest stack depth: 12360 bytes left
[    2.415541] ip (285) used greatest stack depth: 12344 bytes left
[   31.461892] ip (1297) used greatest stack depth: 12304 bytes left
[   44.486855] ip (1897) used greatest stack depth: 12192 bytes left
[   54.818058] netem: version 1.3
[  359.149751] ip (5509) used greatest stack depth: 12064 bytes left
[  620.106804] tc (12617) used greatest stack depth: 11936 bytes left