[    1.633727] iptables (232) used greatest stack depth: 12816 bytes left
[    1.782273] ip (249) used greatest stack depth: 12384 bytes left
[    1.961866] ip (261) used greatest stack depth: 12336 bytes left
[    3.114347] ip (361) used greatest stack depth: 12288 bytes left
[   51.226631] netem: version 1.3
[  549.564857] tc (11911) used greatest stack depth: 11872 bytes left