tc-How it work on different IPs

#!/bin/bash
interface=eth0
ip1=192.168.1.1
ip2=172.16.1.1
delay1=100ms
delay2=200ms
tc qdisc add dev $interface root handle 1: prio
tc qdisc add dev $interface parent 1:1 netem delay $delay1 10ms 25%
tc filter add dev $interface parent 1: protocol ip prio 1 u32 match ip dst $ip1 flowid 1:1
tc qdisc add dev $interface parent 1:2 netem delay $delay2 10ms 25%
tc filter add dev $interface parent 1: protocol ip prio 2 u32 match ip dst $ip2 flowid 1:2