Hi Richard, We were using LibguestFS version 1.52 on Fedora 39 and it was working as expected since last year, but due to the security issue and Fedora 39 is our of support we need to upgrade to Fedora 40 for our container base image. But after upgrading to Fedora 40, we are started experiencing intermittent failure on guestfish to mount the disk, sometime it is able to mount the disk as well execute the copy command to copy the files from disk and fails in middle. We are getting below failure messages in the failure. message OperationalLog: /dev/sda2: ntfs [uuid=30BC6B21BC6AE0B8] /dev/sda3: vfat [uuid=166A-F60E] /dev/sda4: ntfs [uuid=9E3C6B453C6B1793] GuestFish:Inspecting OS Metadata:Remote> /libguestfs/run guestfish --remote inspect-os GuestFish:Inspecting OS Metadata:Error> guestfish: protocol error: could not decode reply from server GuestFish: Retrying forInspecting OS Metadata GuestFish:Inspecting OS Metadata:Remote> /libguestfs/run guestfish --remote inspect-os GuestFish:Inspecting OS Metadata:Error> guestfish: remote: looks like the server is not running message GuestFish:Mount [/,/dev/sda1]:Remote> /libguestfs/run guestfish --remote -- -mount-ro /dev/sda1 / GuestFish:Mount [/,/dev/sda1]:Error> guestfish: remote: looks like the server is not running I tried upgrading the libguesfs to the latest version 1.56.1 but still observing similar errors intermittently.