[pr/1185] ipv6: adjust IPv6 address order after NetworkManager change
NetworkManager will change the order of IP addresses.
See https://bugzilla.redhat.com/show_bug.cgi?id=2073032 and NetworkManager!1185 (merged) .
This will also be backported to nm-1-38 before 1.38.0 release.
Edited by Thomas Haller