| ip netns add nonet | |
| ip link add veth0 type veth peer name veth1 | |
| ifconfig veth0 172.16.0.1/24 up | |
| ip link set veth1 netns nonet | |
| ip netns exec nonet ifconfig veth1 172.16.0.2/24 up | |
| /sbin/iptables -A INPUT -p tcp --dport 3306 -i eth0 -j DROP | |
| /sbin/iptables -A INPUT -p tcp --dport 3306 -i eth1 -j DROP |