When I remove the image, it output the error "image is in use by a container'.
But there is no container.
$ podman images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/library/centos 7.9.2009 eeb6ee3f44bd 10 months ago 212 MB
docker.io/library/centos 8.4.2105 5d0da3dc9764 10 months ago 239 MB
$ podman rmi eeb6ee3f44bd
Error: Image used by ebc5c35088b04b38a4f6c6575951f2a0effc7f17a6aabc1a2d7d29d24f6e5094:
image is in use by a container
$ podman ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES