[    1.708372] ip (249) used greatest stack depth: 12368 bytes left
[    2.040344] ip (279) used greatest stack depth: 12320 bytes left
[   47.413226] netem: version 1.3
[  400.029547] ip (7184) used greatest stack depth: 12272 bytes left
[  492.376780] ip (10234) used greatest stack depth: 12160 bytes left
[  552.544374] tc (11930) used greatest stack depth: 11872 bytes left