On 2017-04-15 I upgraded from 16.04 to 16.10 on the way to 17.04. This issue was the one and only problem I encountered.
In my case I started the wired interface manually (sudo ifconfig enp3s0 up && sudo dhclient epn3s0), got on-line and found this page. Message 6 above worked perfectly, and it's an easy fix once one knows what to do - but not until then. It would be a very good idea to fix this, because as observed above it's a disproportionate nuisance as it prevents web access, hindering the the search for a fix and for neophytes - exactly the people we want to get using Linux - that could drive them away. -- 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/1658921 Title: NetworkManager does not manage wired connection Status in network-manager package in Ubuntu: Confirmed Bug description: NetworkManager does not manage my wired eth0 connection, no matter how I set /etc/network/interfaces or /etc/NetworkManager/NetworkManager.conf Using ubuntu 16.04, /etc/network/interfaces only managed lo, and [ifupdown] section of NetworkManager.conf had set managed=false. With these same settings, after upgrading to ubuntu 16.10, eth0 appears as unmanaged in nm-applet. If I modify /etc/network/interfaces and add auto eth0 iface eth0 inet dhcp And set managed=true in NetworkManager.conf [ifupdown] section, eth0 is still unmanaged despite it does get an IP from DHCP server. This is happening in my five computers (two laptops and three desktops). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1658921/+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
