Mike Yuan
276bd392ec
The purpose of the check is to prevent leaking API VFS fds from host into a mount namespace/container. When mountns is not used at all, the check is pointless and causes inconvenience. E.g. file managers might need to be spawned under those directories, and they surely won't run in mountns. Suggested in https://github.com/systemd/systemd/pull/33454#issuecomment-2186351467 Fixes #33361
System and Service Manager
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