[    2.047127] ip (250) used greatest stack depth: 12400 bytes left
[    2.385477] ip (274) used greatest stack depth: 12368 bytes left
[    2.506984] ip (283) used greatest stack depth: 12352 bytes left
[   57.224203] netem: version 1.3
[   94.555840] ip (2766) used greatest stack depth: 12200 bytes left
[  567.585543] ip (12049) used greatest stack depth: 12072 bytes left
[  587.816229] tc (12767) used greatest stack depth: 11936 bytes left