[    2.438374] ip (286) used greatest stack depth: 12360 bytes left
[    2.538907] ip (295) used greatest stack depth: 12344 bytes left
[   46.399412] ip (2009) used greatest stack depth: 12192 bytes left
[   55.145945] netem: version 1.3
[  344.484997] ip (5281) used greatest stack depth: 12064 bytes left