Workaround script for podman rm (--force) does not work anymore ("container state improper"/"invalid argument" when unmounting) and start neither, see https://github.com/containers/podman/issues/19913

workaround-podman-issue19913.sh

#!/bin/bash
#set -x

# Define the list of containers you want to remove
containers=("nextcloud_redis_1" "nextcloud_db_1" "nextcloud_nc_1")

for container in "${containers[@]}"; do
    echo "Now handling $container..."
    # First attempt to forcefully remove the container
    podman rm --force "$container"

    # Check if the removal failed
    if [ $? -ne 0 ]; then
        # Extract the mount path from the error message
        error_message=$(podman rm --force "$container" 2>&1)
        mount_path=$(echo "$error_message" | grep -oE '/var/home/[^ ]+merged'| head -n 1)
        echo "found mount_path=$mount_path"

        # If a mount path was found, attempt to unmount it using tmpfs
        if [ -n "$mount_path" ]; then
            podman unshare mount -t tmpfs none "$mount_path"

            podman rm --force "$container"
            # Check if the unmounting failed due to a non-empty directory
            if [ $? -ne 0 ]; then
                echo "Backup/move $mount_path directory"
                # Rename the directory if it's not empty
                mv "$mount_path" "${mount_path}_backup"

                # Finally, try to forcefully remove the container again
                podman rm --force "$container"
            fi
	    fi
    fi
done

$ sh workaround-podman-issue19913.sh
Now handling container-maildev...
WARN[0000] Unmounting container "container-maildev" while attempting to delete storage: unmounting "/home/docker/.local/share/containers/storage/overlay/884ff6a18bfdc216f835dd5cef54e1ba413a6e0a9ad961a6869c735d0252e704/merged": invalid argument 
Error: removing storage for container "container-maildev": unmounting "/home/docker/.local/share/containers/storage/overlay/884ff6a18bfdc216f835dd5cef54e1ba413a6e0a9ad961a6869c735d0252e704/merged": invalid argument
found mount_path=
$ rm -r /home/docker/.local/share/containers/storage/overlay/884ff6a18bfdc216f835dd5cef54e1ba413a6e0a9ad961a6869c735d0252e704/merged
$ sh workaround-podman-issue19913.sh
Now handling container-maildev...
container-maildev
$ /home/docker/start-container-maildev.sh
WARN[0000] Failed to mount subscriptions, skipping entry in /usr/share/containers/mounts.conf: getting host subscription data: failed to read subscriptions from "/usr/share/rhel/secrets": open /usr/share/rhel/secrets/redhat.repo: permission denied 
dc2ac7a9aa190febfbfb34cb7fbe55fea30833b835c8b08d79ae2002069b5e9a
$ podman container list
CONTAINER ID  IMAGE                             COMMAND               CREATED        STATUS                  PORTS                                           NAMES
dc2ac7a9aa19  docker.io/maildev/maildev:latest  bin/maildev --mai...  2 minutes ago  Up 2 minutes (healthy)  0.0.0.0:1025->1025/tcp, 0.0.0.0:1080->1080/tcp  container-maildev