[    2.246336] ip (254) used greatest stack depth: 12392 bytes left
[    2.734452] ip (285) used greatest stack depth: 12360 bytes left
[    9.102170] ip (684) used greatest stack depth: 12344 bytes left
[   56.515883] netem: version 1.3
[  529.466616] ip (10749) used greatest stack depth: 12304 bytes left