when pull container image within qm, always got a "no space left on device" error

[pengshanyu]

Test version: qm-101:0.6.4-1.20240517025031934468.main.3.g2e577bd.el9.noarch ( qm was installed from the "copr:copr.fedorainfracloud.org:rhcontainerbot:qm" repository)

Test steps:

1. Download c9s cloud image and run VM locally. Refer to the steps in: https://github.com/containers/qm/tree/main/tests/e2e#run-tmt-tests-framework-locally
2. run the ffi test plan to install and start qm
3. do podman exec -it qm bash to get inside of qm
4. do podman run --replace --name ffi-qm quay.io/centos-sig-automotive/ffi-tools:latest within qm

Test result: WARN[0000] Failed to decode the keys ["storage.options.overlay.use_composefs"] from "/usr/share/containers/storage.conf" Getting image source signatures Copying blob 1898396b8f9a skipped: already exists Copying blob a24bf8134cb4 [==========>---------------------------] 886.4MiB / 3.0GiB Error: writing blob: storing blob to file "/var/tmp/storage3081603575/1": write /var/tmp/storage3081603575/1: no space left on device