[    2.058346] ip (269) used greatest stack depth: 12600 bytes left
[    2.165544] ip (278) used greatest stack depth: 12360 bytes left
[    2.274565] ip (287) used greatest stack depth: 12344 bytes left
[   39.033372] ip (1575) used greatest stack depth: 12288 bytes left
[   52.742574] netem: version 1.3