Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Where the size is in MiB. The file will be located under
`/dev/shm/pve-shm-$name` (the default name is the vmid).
+NOTE: Currently the device will get deleted as soon as any VM using it got
+shutdown or stopped. Open connections will still persist, but new connections
+to the exact same device cannot be made anymore.
+
A use case for such a device is the Looking Glass
footnote:[Looking Glass: https://looking-glass.hostfission.com/] project,
which enables high performance, low-latency display mirroring between