[    2.106273] ip (256) used greatest stack depth: 12392 bytes left
[    2.623078] ip (287) used greatest stack depth: 12360 bytes left
[    2.735685] ip (296) used greatest stack depth: 12344 bytes left
[   56.302367] netem: version 1.3
[   87.499309] ip (2617) used greatest stack depth: 12208 bytes left
[  504.846458] ip (9430) used greatest stack depth: 12192 bytes left
[  594.013349] tc (12618) used greatest stack depth: 11936 bytes left