[    2.187784] ip (254) used greatest stack depth: 12392 bytes left
[    2.443293] ip (271) used greatest stack depth: 12360 bytes left
[    3.843423] ip (370) used greatest stack depth: 12352 bytes left
[    6.863995] ip (566) used greatest stack depth: 12344 bytes left
[   39.598122] ip (1483) used greatest stack depth: 12168 bytes left
[   53.307181] netem: version 1.3
[  565.818075] tc (11927) used greatest stack depth: 11936 bytes left
[  567.649899] tc (12075) used greatest stack depth: 11928 bytes left