[    2.147230] ip (267) used greatest stack depth: 12616 bytes left
[    2.227062] ip (275) used greatest stack depth: 12472 bytes left
[    2.349476] ip (286) used greatest stack depth: 12360 bytes left
[    3.778215] ip (392) used greatest stack depth: 12344 bytes left
[   54.967073] netem: version 1.3
[  568.373533] ip (12071) used greatest stack depth: 12296 bytes left
[  586.908615] tc (12616) used greatest stack depth: 11936 bytes left