[    1.676064] iptables (230) used greatest stack depth: 12880 bytes left
[    1.937031] ip (259) used greatest stack depth: 12800 bytes left
[    2.020111] ip (268) used greatest stack depth: 12576 bytes left
[    2.096811] ip (277) used greatest stack depth: 12320 bytes left
[    9.478301] ip (922) used greatest stack depth: 12016 bytes left
[   47.958436] netem: version 1.3