The issue is similar to https://bugzilla.gnome.org/show_bug.cgi?id=746932 and was fixed in newer versions
** Bug watch added: GNOME Bug Tracker #746932 https://bugzilla.gnome.org/show_bug.cgi?id=746932 ** Changed in: gnome-control-center (Ubuntu) Importance: Undecided => Low ** Changed in: gnome-control-center (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1652001 Title: if you set IP V6 DNS servers they are properly stored, but they are displayed in IP V4 format when you reopen gnome-control-center network and validation fails Status in gnome-control-center package in Ubuntu: Fix Released Bug description: if you set IP V6 DNS servers they are properly stored, but they are displayed in IP V4 format when you reopen gnome-control-center network and validation fails. Steps to reproduce this bug. Open gnome-control-center network and go into IPV6 setting for wired connection. Enable IPV6 with Automatic address. Disable automatic DNS. Enter google public IP V6 DNSes 2001:4860:4860::8888 2001:4860:4860::8844 Apply, and close gnome-control-center. Reopen gnome-control-center network and go into IPV6 setting for wired connection and you get this DNS servers with red color (failing validation) - see attached screenshot 32.1.72.96 32.1.72.96 and you can't apply setting until you change these wrong addresses. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: gnome-control-center 1:3.20.2-0ubuntu2 ProcVersionSignature: Ubuntu 4.8.0-30.32-generic 4.8.6 Uname: Linux 4.8.0-30-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Dec 22 11:02:20 2016 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2016-12-16 (6 days ago) InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 (20161012.1) ProcEnviron: PATH=(custom, user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1652001/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
