docker run -d -p 8080:80 hub.c.163.com/library/nginx成功后, netstat -na|grep 8080查看,8080端口并没有被监听,这是怎么回事,浏览器访问http://localhost:8080/也连接不上,

CONTAINER ID        IMAGE                         COMMAND                  CREATED              STAT
US              PORTS                  NAMES
ad436cc6bbe7        hub.c.163.com/library/nginx   "nginx -g 'daemon ..."   About a minute ago   Up 5
 seconds        0.0.0.0:8080->80/tcp   romantic_kalam

Administrator@PC-20161022HKJU MINGW64 ~
$ netstat -na|grep 8080