[    2.230645] ip (268) used greatest stack depth: 12648 bytes left
[    2.353360] ip (277) used greatest stack depth: 12360 bytes left
[    2.465002] ip (286) used greatest stack depth: 12344 bytes left
[   54.866172] netem: version 1.3
[  527.790506] ip (11364) used greatest stack depth: 12288 bytes left