[    1.784363] ip (254) used greatest stack depth: 12392 bytes left
[    2.053146] ip (276) used greatest stack depth: 12360 bytes left
[    2.143111] ip (285) used greatest stack depth: 12344 bytes left
[   56.184966] netem: version 1.3
[  197.067132] ip (4329) used greatest stack depth: 12192 bytes left
[  343.074570] ip (6240) used greatest stack depth: 12160 bytes left
[  602.284453] tc (13803) used greatest stack depth: 11936 bytes left