The source project of this merge request has been removed.
main/lxc: backport file descriptor patch
without it, you'll find that, inside a container, /proc/1/fd/14 points to
/proc/1234/status. This breaks some software, like Anbox
(https://github.com/anbox/anbox/issues/1397).
This MR backports the patch and repairs Anbox.
