[    2.013830] ip (250) used greatest stack depth: 12912 bytes left
[    2.106584] ip (255) used greatest stack depth: 12392 bytes left
[    2.491057] ip (280) used greatest stack depth: 12352 bytes left
[    3.866311] ip (373) used greatest stack depth: 12344 bytes left
[   53.235027] netem: version 1.3
[  502.621094] ip (10168) used greatest stack depth: 12296 bytes left
[  539.285447] ip (11171) used greatest stack depth: 12216 bytes left