Add latency to an interface
/sbin/ifup-local :
if [ "${1}" = "eth0" ]; then
/sbin/tc qdisc add dev ${1} root handle 1:0 netem delay 1s limit 1000
fi
/sbin/ifdown-local :
if [ "${1}" = "eth0" ]; then
/sbin/tc qdisc del dev ${1} root handle 1:0 netem delay 1s limit 1000
fi