- Do not incorrectly put the IP addresses from the rrdns reply into the
first hint, instead distribute hostnames to the appropriate hints.
- Avoid returning stale lease information from previously parsed records
by clearing the static struct before each parse attempt.
- Improve existing checks for empty MAC addresses and unspecified IPv6
addresses.
Fixes: #5126
Fixes: 87bcf9e923 ("rpcd-mod-luci: Return array of addresses in getHostHints")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>