docker rmi 해서 에러 나는 경우

아래와 같은 에러 나는 경우
$ sudo docker rmi d49a93d17d98
Error response from daemon: Conflict, cannot delete d49a93d17d98 because the container 5ac6d69b4255 is using it, use -f to force
2015/02/13 09:11:22 Error: failed to remove one or more images
$ sudo docker  rmi -f d49a93d17d98
Error response from daemon: No such id: d49a93d17d9855ecb9b5fc19c9d6b1da644f02832c2e7a3f8d30e4c038db2955
2015/02/13 09:11:35 Error: failed to remove one or more images
$ sudo docker  rmi -f d49a93d17d98
Error response from daemon: No such image: d49a93d17d98
2015/02/13 09:11:41 Error: failed to remove one or more images


아래 링크 참고

http://stackoverflow.com/questions/24733160/docker-rmi-cannot-remove-images-with-no-such-id