Changes

vzlist |grep run|tr -s [:blank:]|cut H -d' ' -f2oveid

for i in `./vzvzlist -allH -running`; do vzctl exec $i ifconfig |grep 'venet0:0' -A1|tail -n1|cut -d':' -f2|cut -d' ' -f1; doneo ip

for i in `./vz-all-running-ip`; do iptables -D FORWARD -s $i; iptables -D FORWARD -d $i; done >/dev/null 2>/dev/null&1for i in `./vz-all-running-ip`; do iptables -A FORWARD -s $i; iptables -A FORWARD -d $i; done >/dev/null 2>/dev/null&1

 You can use crontab to run this script once per hour or day to collect your traffic statistics.

So if anybody has scripts that automate all the process - — you are welcome!