[    1.854774] ip (250) used greatest stack depth: 12368 bytes left
[    2.188961] ip (280) used greatest stack depth: 12320 bytes left
[    8.660990] ip (839) used greatest stack depth: 12160 bytes left
[   47.117703] netem: version 1.3
[  472.361209] ip (9888) used greatest stack depth: 12016 bytes left
[  538.654354] tc (11933) used greatest stack depth: 11872 bytes left