安装docker出现如下错误

[root@master ~]# yum  install -y docker-io
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: mirrors.pubyun.com
* epel: [url=qq://txfile/#]ftp.cuhk.edu.hk[/url]

* extras: mirrors.pubyun.com
* updates: [url=qq://txfile/#]ftp.daumkakao.com[/url]
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package docker-io.x86_64 0:1.7.1-2.el6 will be installed
--> Processing Dependency: lxc for package: docker-io-1.7.1-2.el6.x86_64
--> Running transaction check
---> Package lxc.x86_64 0:1.0.7-2.el6 will be installed
--> Processing Dependency: lua-lxc(x86-64) = 1.0.7-2.el6 for package: lxc-1.0.7-2.el6.x86_64
--> Processing Dependency: lua-alt-getopt for package: lxc-1.0.7-2.el6.x86_64
--> Processing Dependency: liblxc.so.1()(64bit) for package: lxc-1.0.7-2.el6.x86_64
--> Running transaction check
---> Package lua-alt-getopt.noarch 0:0.7.0-1.el6 will be installed
---> Package lua-lxc.x86_64 0:1.0.7-2.el6 will be installed
--> Processing Dependency: lua-filesystem for package: lua-lxc-1.0.7-2.el6.x86_64
---> Package lxc-libs.x86_64 0:1.0.7-2.el6 will be installed
--> Running transaction check
---> Package lua-filesystem.x86_64 0:1.4.2-1.el6 will be installed
--> Processing Conflict: docker-engine-1.7.1-1.el6.x86_64 conflicts docker-io
--> Finished Dependency Resolution
Error: docker-engine conflicts with docker-io-1.7.1-2.el6.x86_64
You could try using --skip-broken to work around the problem
** Found 3 pre-existing rpmdb problem(s), 'yum check' output follows:
1:libreoffice-core-4.0.4.2-9.el6.x86_64 has missing requires of libjawt.so()(64bit)
1:libreoffice-core-4.0.4.2-9.el6.x86_64 has missing requires of libjawt.so(SUNWprivate_1.1)(64bit)
1:libreoffice-ure-4.0.4.2-9.el6.x86_64 has missing requires of jre >= ('0', '1.5.0', None)