[    1.727377] ip (256) used greatest stack depth: 12368 bytes left
[    2.008672] ip (282) used greatest stack depth: 12320 bytes left
[   48.388380] netem: version 1.3
[   57.831623] ip (2239) used greatest stack depth: 12160 bytes left
[  388.555361] ip (6775) used greatest stack depth: 12128 bytes left