[    3.202516] ip (414) used greatest stack depth: 11984 bytes left
[   52.049270] netem: version 1.3
[   94.523794] ip (5043) used greatest stack depth: 11960 bytes left
[  504.264159] tc (21109) used greatest stack depth: 11864 bytes left
[  560.938351] awk (25698) used greatest stack depth: 11592 bytes left