docker on CentOS6

[vagrant@localhost ~]$ sudo yum install http://ftp.riken.jp/Linux/fedora/epel/6/i386/epel-release-6-8.noarch.rpm
[vagrant@localhost ~]$ sudo yum install docker

[vagrant@localhost ~]$ docker
Segmentation Fault or Critical Error encountered. Dumping core and aborting.
アボートしました

あるれぇ???

[vagrant@localhost ~]$ yum info docker
Loaded plugins: fastestmirror
Determining fastest mirrors
 * base: ftp.iij.ad.jp
 * epel: ftp.kddilabs.jp
 * extras: ftp.iij.ad.jp
 * updates: ftp.iij.ad.jp
Available Packages
Name        : docker
Arch        : x86_64
Version     : 1.5
Release     : 5.el6
Size        : 19 k
Repo        : epel
Summary     : KDE and GNOME2 system tray replacement docking application
URL         : http://icculus.org/openbox/2/docker/
License     : GPL+
Description : Docker is a docking application (WindowMaker dock app) which acts as a system
            : tray for KDE and GNOME2. It can be used to replace the panel in either
            : environment, allowing you to have a system tray without running the KDE/GNOME
            : panel or environment.

KDE and GNOME2 ??KDE and GNOME2 !!
KDE and GNOME2 system tray replacement docking application !!!1

docker-io だからね〜 手順はよく読みましょう