dubbo-docker项目没跑起来

[sunbao]

[root@VM_0_9_centos src]# docker run -e DUBBO_IP_TO_REGISTRY=30.5.97.6 -e DUBBO_PORT_TO_REGISTRY=20881 -p 30.5.97.6:20881:20880 --link zkserver:zkserver -it --rm dubbo-docker-sample docker: Error response from daemon: driver failed programming external connectivity on endpoint peaceful_borg (b77aa0ac5bf85b3593fa0f58e105816738b0a5eadb5e55fd22d3da6f224785c8): Error starting userland proxy: listen tcp 30.5.97.6:20881: bind: cannot assign requested address.