[root@localhost yoshitake]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu latest f753707788c5 6 months ago 127MB
[root@localhost yoshitake]# docker rmi ubuntu
Error response from daemon: No such image: ubuntu:latest

[root@localhost yoshitake]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
ubuntu              latest              f753707788c5        6 months ago        127MB
[root@localhost yoshitake]# docker rmi f753707788c5
Error response from daemon: reference does not exist

何か消せないdocker imageがいた。こちらをみてファイルがあった/var/lib/docker/image/devicemapper/imagedb/contentのしただけ削除

rm /var/lib/docker/image/devicemapper/imagedb/content/sha256/f753707788c5c100f194ce0a73058faae1a457774efcda6c1469544a114f8644
rm: 通常ファイル `/var/lib/docker/image/devicemapper/imagedb/content/sha256/f753707788c5c100f194ce0a73058faae1a457774efcda6c1469544a114f8644' を削除しますか? y

とりあえず、消えてくれた。きちんと動くかな？？