[    2.336978] ip (272) used greatest stack depth: 12360 bytes left
[    2.455501] ip (281) used greatest stack depth: 12352 bytes left
[    6.626342] ip (567) used greatest stack depth: 12344 bytes left
[   52.777390] netem: version 1.3
[   62.019667] ip (2242) used greatest stack depth: 12168 bytes left
[   62.139874] ip (2251) used greatest stack depth: 12072 bytes left