Only for RHEL 7, CentOS 7, ScientificLinux 7 and so on...
sudo sh prepare.sh
sudo mn --custom=mininet-tools/QKCustom.py --link=qk --topo=tree,depth=2,fanout=3
sudo mn --custom=mininet-tools/topo_2sw-2host.py --topo mytopo --mac --controller remote --switch ovs
sudo ryu-manager mininet-tools/rest_forward.py
curl -X GET http://localhost:8080/channel/1/1
curl -X GET http://localhost:8080/channel/1/2
sudo tcpdump -i lo udp port 3338 -vv -X
sudo tcpdump -i lo udp port 3339 -vv -X
curl -X GET http://localhost:8080/status
curl -X GET http://localhost:8080/channels
curl -X GET http://localhost:8080/statistics