[    2.178919] ip (256) used greatest stack depth: 12400 bytes left
[    2.432416] ip (272) used greatest stack depth: 12368 bytes left
[    2.679974] ip (290) used greatest stack depth: 12352 bytes left
[    7.187762] ip (574) used greatest stack depth: 12312 bytes left
[   54.647486] netem: version 1.3
[   64.660698] ip (2260) used greatest stack depth: 12168 bytes left
[  496.955418] ip (8501) used greatest stack depth: 12072 bytes left