[    1.866742] ip (255) used greatest stack depth: 12384 bytes left
[    1.979084] ip (262) used greatest stack depth: 12336 bytes left
[    3.231942] ip (362) used greatest stack depth: 12176 bytes left
[   50.558915] netem: version 1.3
[  586.675867] tc (11920) used greatest stack depth: 11872 bytes left