/etc/dnsmasq.d-available/lxc is in lxc-utils 3.0.0-0ubuntu2.
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 | # Tell any system-wide dnsmasq instance to make sure to bind to interfaces
# instead of listening on 0.0.0.0
# WARNING: changes to this file will get lost if lxc is removed.
bind-interfaces
except-interface=lxcbr0
|