[    1.865203] iptables (233) used greatest stack depth: 12840 bytes left
[    2.281823] ip (262) used greatest stack depth: 12600 bytes left
[    2.402614] ip (271) used greatest stack depth: 12352 bytes left
[    2.524265] ip (280) used greatest stack depth: 12344 bytes left
[   49.081925] ip (2002) used greatest stack depth: 12072 bytes left
[   56.334067] netem: version 1.3
[  603.098161] tc (11948) used greatest stack depth: 11936 bytes left