[    2.586476] ip (276) used greatest stack depth: 12360 bytes left
[    2.788154] ip (294) used greatest stack depth: 12344 bytes left
[   23.412353] ip (1176) used greatest stack depth: 12240 bytes left
[   38.493677] ip (1666) used greatest stack depth: 12160 bytes left
[   51.585307] netem: version 1.3
[  402.800075] ip (6784) used greatest stack depth: 12064 bytes left
[  610.455403] tc (12963) used greatest stack depth: 11936 bytes left