I also still have this problem with 1.2.2-0ubuntu0.16.04.3 amd64 Only version 1.1.93 works for me on 16.04.
** Changed in: network-manager (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1589005 Title: After update DNS work unstable Status in network-manager package in Ubuntu: Confirmed Bug description: Today I have updated network-manager from update repo and chrome have started get err_name_resolution_failed apt started get network errors. W: Failed to fetch http://by.archive.ubuntu.com/ubuntu/pool/main/n/network-manager/network-manager_1.1.93-0ubuntu4_amd64.deb Temporary failure resolving 'by.archive.ubuntu.com' I got same error when previously update network-manager from ubuntu- proposed, so I think this packet with regression moved to normal update. workaround: download old network-manager_1.1.93-0ubuntu4_amd64.deb and install it using sudo dpkg -i network-manager_1.1.93-0ubuntu4_amd64.deb and lock version echo "network-manager hold" | sudo dpkg --set-selections "apt update" going to show network-manager as upgradable but "apt upgrage" going to ignore it ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: network-manager 1.2.0-0ubuntu0.16.04.2 ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: Unity Date: Sat Jun 4 01:39:17 2016 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-05-01 (33 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) IpRoute: default via 192.168.100.1 dev enp8s0 proto static metric 100 169.254.0.0/16 dev enp8s0 scope link metric 1000 192.168.100.0/24 dev enp8s0 proto kernel scope link src 192.168.100.9 metric 100 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=false WWANEnabled=true SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH Проводное соединение 1 34318290-4c71-4b1f-9154-d0f134b91440 802-3-ethernet 1464993435 Sat 04 Jun 2016 01:37:15 MSK yes 4294966297 no /org/freedesktop/NetworkManager/Settings/2 yes enp8s0 activated /org/freedesktop/NetworkManager/ActiveConnection/0 HUAWEI-KpW2 1 8087b7e0-51dc-43c4-8928-4d03c85a5762 802-11-wireless 1464546384 Sun 29 May 2016 21:26:24 MSK yes 0 no /org/freedesktop/NetworkManager/Settings/1 no -- -- -- nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH enp8s0 ethernet connected /org/freedesktop/NetworkManager/Devices/1 Проводное соединение 1 34318290-4c71-4b1f-9154-d0f134b91440 /org/freedesktop/NetworkManager/ActiveConnection/0 wlp9s0 wifi unavailable /org/freedesktop/NetworkManager/Devices/0 -- -- -- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 -- -- -- nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1589005/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp