systemvm/debian/root/clearUsageRules.sh

#!/usr/bin/env bash
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# clearUsageRules.sh - remove iptable rules for removed public interfaces
# @VERSION@

if [ -f /root/removedVifs ]
then
    var=`cat /root/removedVifs`
    # loop through even vif to be cleared
    for i in $var; do
        # Make sure vif doesn't exist
        if [ ! -f /sys/class/net/$i ]
        then
            # remove rules
            iptables -D NETWORK_STATS -i eth0 -o $i > /dev/null;
            iptables -D NETWORK_STATS -i $i -o eth0 > /dev/null;
            iptables -D NETWORK_STATS -o $i ! -i eth0 -p tcp > /dev/null;
            iptables -D NETWORK_STATS -i $i ! -o eth0 -p tcp > /dev/null;
        fi
    done
rm /root/removedVifs
fi