I have this problem and have had it for probably a couple of years now. $ ls /mnt/user /bin/ls: cannot access '/mnt/user': Transport endpoint is not connected There have been many others telling of the same problem: https://forums.unraid.net/topic/102568-transport-endpoint-is-not-connected-with-mntuser/   https://forums.unraid.net/topic/115300-binls-cannot-access-user-transport-endpoint-is-not-connected/ -   The first mentions it could be docker accessin