[    2.108963] ip (253) used greatest stack depth: 12376 bytes left
[    2.606953] ip (290) used greatest stack depth: 12328 bytes left
[   56.828722] netem: version 1.3
[  309.984934] ip (4686) used greatest stack depth: 12288 bytes left
[  377.365258] ip (5862) used greatest stack depth: 12144 bytes left
[  409.912356] ip (6664) used greatest stack depth: 12048 bytes left
[  613.230425] tc (12612) used greatest stack depth: 11920 bytes left