[    1.865334] ip (247) used greatest stack depth: 12624 bytes left
[    1.947293] ip (252) used greatest stack depth: 12384 bytes left
[    2.066959] ip (259) used greatest stack depth: 12336 bytes left
[   37.099515] ip (1487) used greatest stack depth: 12288 bytes left
[   50.427144] netem: version 1.3
[  320.826928] ip (5124) used greatest stack depth: 12144 bytes left
[  565.033327] tc (11924) used greatest stack depth: 11872 bytes left