[    2.017381] ip (257) used greatest stack depth: 12392 bytes left
[    2.366526] ip (276) used greatest stack depth: 12360 bytes left
[    2.649303] ip (294) used greatest stack depth: 12344 bytes left
[   58.582819] netem: version 1.3
[   67.541450] ip (2374) used greatest stack depth: 12192 bytes left
[  600.602937] tc (12619) used greatest stack depth: 11936 bytes left