清理rally的残留垃圾

Neutron

for i in `neutron router-list | grep c_rally_ | awk '{print $2}'`;do neutron router-gateway-clear $i;done

for i in `neutron router-list | grep c_rally_ | awk '{print $2}'`;do j=`neutron router-port-list $i| grep subnet| awk '{print $2}'`;neutron router-interface-delete $i port=$j;done

for i in `neutron router-list | grep c_rally_ | awk '{print $2}'`;do neutron router-delete $i;done

for i in `neutron net-list | grep c_rally_ | awk '{print $2}'`;do neutron net-delete $i;done