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Upstream releases >= 2021.1 already contain https://github.com/ostreedev/ostree/pull/2261.
RHEL 8.5 has already been rebased to at least 2021.3.
This should get resolved too once newest ostree reaches 8.6.

Closing this one based on https://bugzilla.redhat.com/show_bug.cgi?id=1967711#c9 as it is already fixed in 8.4 and up.