/usr/share/libertine/libertine-lxc.conf is in libertine-tools 1.0.0+16.04.20160411-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | lxc.mount.entry = /dev/dri dev/dri none bind,optional,create=dir
lxc.mount.entry = /tmp/.X11-unix tmp/.X11-unix/ none bind,optional,create=dir
lxc.mount.entry = /dev/snd dev/snd none bind,optional,create=dir
lxc.mount.entry = /dev/video0 dev/video0 none bind,optional,create=file
lxc.mount.entry = /dev/fuse dev/fuse none bind,optional,create=file
lxc.mount.entry = /usr/lib/locale usr/lib/locale none optional,bind
lxc.tty = 0
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