The DHCP v6 protocol does not include prefixlen: On-link indication comes from router-advertisements, only.
So it's not so much that the script is ignoring it, as it is that dhclient is making up answers.
The DHCP v6 protocol does not include prefixlen: On-link indication comes from router- advertisements, only.
So it's not so much that the script is ignoring it, as it is that dhclient is making up answers.