/etc/init/lxc.conf is in lxc 1.0.3-0ubuntu3.
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 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27  | description "lxc"
author "Serge Hallyn <serge.hallyn@canonical.com>"
start on runlevel [2345]
stop on starting rc RUNLEVEL=[016]
env LXC_AUTO="false"
pre-start script
	[ -f /etc/default/lxc ] && . /etc/default/lxc
	# don't load profiles if mount mediation is not supported
	SYSF=/sys/kernel/security/apparmor/features/mount/mask
	if [ -f $SYSF ]; then
		if [ -x /lib/init/apparmor-profile-load ]; then
			/lib/init/apparmor-profile-load usr.bin.lxc-start
			/lib/init/apparmor-profile-load lxc-containers
		fi
	fi
	[ "x$LXC_AUTO" = "xtrue" ] || exit 0
	lxc-autostart -L | while read line; do
		set -- $line
		(start lxc-instance NAME=$1 && sleep $2) || true
	done
end script
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