Podman: Error: error unmounting container [...]: error unmounting container [...] root filesystem: container not known

It seems like the storage can get corrupted, and prevent podman umount -f -a to hang...

Here is an example:

+ podman umount -a -f
257bcf23143319527be8b421557a21c00bf60fae85c9e9172212dc2fa9297ad8
99eb0ce062e4bead7c313f8aa6a854c6a91eeb728666ab98b82db26eca3aa082
9c90e005f93c9672450653b1c0a2aaa9071c8ace9441848b2eff690fde24963c
Error: error unmounting container 04cfd72e78e1d6613a2ff611ec6698b13c51ab3c57e296ffe8c4c3c43751b500: error unmounting container 04cfd72e78e1d6613a2ff611ec6698b13c51ab3c57e296ffe8c4c3c43751b500 root filesystem: container not known
Error: error unmounting container 0a2c6580c655c6c7a70cfaaeb2cee51befdec90f3794f356ee1983b0cc08986c: error unmounting container 0a2c6580c655c6c7a70cfaaeb2cee51befdec90f3794f356ee1983b0cc08986c root filesystem: container not known
Error: error unmounting container 1b19c6f337ca02114ee5eae55166f1c3045539c304d6bc41e1e95a2538612d3e: error unmounting container 1b19c6f337ca02114ee5eae55166f1c3045539c304d6bc41e1e95a2538612d3e root filesystem: container not known
Error: error unmounting container 36ae8b7b04177b63cc5278c8f58d5720cc2d72d220be96da31a5c5241a044fec: error unmounting container 36ae8b7b04177b63cc5278c8f58d5720cc2d72d220be96da31a5c5241a044fec root filesystem: container not known
Error: error unmounting container 4244342d6147a4d2088c3d13fef76c63b59f803ba03a2fd0b70a14e77fd24bbb: error unmounting container 4244342d6147a4d2088c3d13fef76c63b59f803ba03a2fd0b70a14e77fd24bbb root filesystem: container not known
Error: error unmounting container 6f80af7351a43d4f1e84bd42db6fff924e271faa7f11b061efbb358cc8f50d3b: error unmounting container 6f80af7351a43d4f1e84bd42db6fff924e271faa7f11b061efbb358cc8f50d3b root filesystem: container not known
Error: error unmounting container 7381ff7ce1a6a53393017d5313318cc5fd375a82d3bfd7fb1d265a8d13f73eba: error unmounting container 7381ff7ce1a6a53393017d5313318cc5fd375a82d3bfd7fb1d265a8d13f73eba root filesystem: container not known
Error: error unmounting container 7a77e0c1f31cdbd7b7085b823404ebdb81cc7fe538e131565f4280b8afa06e53: error unmounting container 7a77e0c1f31cdbd7b7085b823404ebdb81cc7fe538e131565f4280b8afa06e53 root filesystem: container not known
Error: error unmounting container 86d1711ce135d3e02db61e560b1d7c8960bac6c1d948758c34da898108e5c603: error unmounting container 86d1711ce135d3e02db61e560b1d7c8960bac6c1d948758c34da898108e5c603 root filesystem: container not known
Error: error unmounting container 892d7c3aebf2b045098602f2f8bc6bb0f807dad822eea88f65d7c56f5412a748: error unmounting container 892d7c3aebf2b045098602f2f8bc6bb0f807dad822eea88f65d7c56f5412a748 root filesystem: container not known
Error: error unmounting container a2dd4d7b091e92ba37cde5ab4e6b935ef3a8da5fdc53699c2303bee8ee988488: error unmounting container a2dd4d7b091e92ba37cde5ab4e6b935ef3a8da5fdc53699c2303bee8ee988488 root filesystem: container not known
Error: error unmounting container a5a61066dd9bc9e9d31e932a247af0f864af4b1c967f60fb1395904388c7dd64: error unmounting container a5a61066dd9bc9e9d31e932a247af0f864af4b1c967f60fb1395904388c7dd64 root filesystem: container not known
Error: error unmounting container b188006672e764ec8951eaed017588fb1d0446eb71bd7d97c6b0b0a6e6368ed0: error unmounting container b188006672e764ec8951eaed017588fb1d0446eb71bd7d97c6b0b0a6e6368ed0 root filesystem: container not known
Error: error unmounting container ba6b8388674e609226c99d59fc7812af506719bd91cc5b905fbcec2259c85dc7: error unmounting container ba6b8388674e609226c99d59fc7812af506719bd91cc5b905fbcec2259c85dc7 root filesystem: container not known
Error: error unmounting container bfe57472d887acc0d09190c6f41f454d708803c9a295d8c8085d5a74906b799a: error unmounting container bfe57472d887acc0d09190c6f41f454d708803c9a295d8c8085d5a74906b799a root filesystem: container not known
Error: error unmounting container c2fad7f91895c2490770abe8c367ca6165e5c0044baa6a555474dfcefc65802e: error unmounting container c2fad7f91895c2490770abe8c367ca6165e5c0044baa6a555474dfcefc65802e root filesystem: container not known
Error: error unmounting container e202cc2dcf72a2765cbd2e82c5b19c39e80e0f20af06c1b753ecba04b9d35769: error unmounting container e202cc2dcf72a2765cbd2e82c5b19c39e80e0f20af06c1b753ecba04b9d35769 root filesystem: container not known
Error: error unmounting container fc6503890dbc6d867a27dd0d115bc60b16b79ef35d5f6786f3fb8abccaf2d163: error unmounting container fc6503890dbc6d867a27dd0d115bc60b16b79ef35d5f6786f3fb8abccaf2d163 root filesystem: container not known
/ # +241.513s: Hit the timeout <Timeout console_activity: value=0:02:00, retries=1/0> --> Abort!

Link: https://gitlab.freedesktop.org/tanty/mesa-valve-ci/-/jobs/24339141#L4781