[    1.963329] ip (257) used greatest stack depth: 12632 bytes left
[    2.264407] ip (276) used greatest stack depth: 12528 bytes left
[    2.375581] ip (285) used greatest stack depth: 12344 bytes left
[   54.406751] netem: version 1.3
[  111.625605] ip (2778) used greatest stack depth: 12192 bytes left