[    2.047643] ip (249) used greatest stack depth: 12368 bytes left
[    2.471837] ip (280) used greatest stack depth: 12320 bytes left
[   53.634620] netem: version 1.3
[  303.385876] ip (4568) used greatest stack depth: 12272 bytes left
[  592.102131] tc (11923) used greatest stack depth: 11872 bytes left