Add support for DNS TXT records and a really simple UDP notification protocol
(when a binding/address list file changes, UDP packet sent to port; app should
send packet back to acknowledge).
Parse notify_port, notify_ip and notify_ip6
ebtables ARP doesn't have to be unused MAC
Add MTU option
Correct IPv6 subnet example
Log typo
Wrong word
Fix NS and DNS
Add IP6 config option and use it to change src in NAs
Get notification working