[    1.909890] ip (257) used greatest stack depth: 12392 bytes left
[    2.381578] ip (295) used greatest stack depth: 12360 bytes left
[    3.484483] ip (383) used greatest stack depth: 12344 bytes left
[    8.439125] ip (794) used greatest stack depth: 12304 bytes left
[   54.274498] netem: version 1.3
[   92.485283] ip (2904) used greatest stack depth: 12064 bytes left