help: Prevent the IPv6 kernel module from being loaded

create:
	sudo sh -c "echo blacklist ipv6 > \
	    /etc/modprobe.d/vyatta_blacklist_ipv6"
	echo "This change will take affect when the system is rebooted."

delete:
	sudo sh -c "rm -f /etc/modprobe.d/vyatta_blacklist_ipv6"
	echo "This change will take affect when the system is rebooted."