[    1.912811] ip (252) used greatest stack depth: 12392 bytes left
[    2.345530] ip (282) used greatest stack depth: 12360 bytes left
[    2.457858] ip (291) used greatest stack depth: 12352 bytes left
[    6.340148] ip (571) used greatest stack depth: 12344 bytes left
[   54.493126] netem: version 1.3
[   84.691608] ip (2513) used greatest stack depth: 12312 bytes left
[  562.374894] ip (11322) used greatest stack depth: 12296 bytes left