[    2.099426] ip (261) used greatest stack depth: 12576 bytes left
[    2.205608] ip (270) used greatest stack depth: 12416 bytes left
[    2.300011] ip (279) used greatest stack depth: 12320 bytes left
[   31.636812] ip (1230) used greatest stack depth: 12272 bytes left
[   54.865161] netem: version 1.3
[  586.133454] tc (11915) used greatest stack depth: 11872 bytes left