[    2.444422] ip (281) used greatest stack depth: 12344 bytes left
[    2.560736] ip (290) used greatest stack depth: 12328 bytes left
[   46.421520] ip (2003) used greatest stack depth: 12288 bytes left
[   54.992211] netem: version 1.3
[  514.327737] ip (9559) used greatest stack depth: 12224 bytes left