[root@dywH ~]# curl http://kvm5.deyu.wang web test
[root@kvm7 ~]# curl --interface 192.168.122.7 http://kvm5.deyu.wang web test
[root@kvm7 ~]# ifconfig eth0:1 192.168.19.7 up
[root@kvm7 ~]# curl --interface 192.168.19.7 http://kvm5.deyu.wang curl: (7) Failed connect to kvm5.deyu.wang:80; Connection timed out