[    1.899060] ip (251) used greatest stack depth: 12368 bytes left
[    2.396281] ip (290) used greatest stack depth: 12320 bytes left
[   50.194154] netem: version 1.3
[  255.327566] ip (4036) used greatest stack depth: 12160 bytes left
[  464.763449] ip (8278) used greatest stack depth: 12016 bytes left
[  564.089881] tc (11903) used greatest stack depth: 11872 bytes left