[    1.788656] ip (255) used greatest stack depth: 12368 bytes left
[    1.979201] ip (271) used greatest stack depth: 12320 bytes left
[   48.772941] netem: version 1.3
[  132.293269] ip (2859) used greatest stack depth: 12272 bytes left
[  559.830333] ip (11761) used greatest stack depth: 12160 bytes left
[  560.874894] ip (11870) used greatest stack depth: 12128 bytes left
[  561.476769] tc (11917) used greatest stack depth: 11872 bytes left