Public bug reported: After Ubuntu upgrade from 11.10 to 12.04 ethernet connection in NetworkManagers stops working. Configuring ethernet card manually (ifconfig) or using /etc/network/interfaces works.
The following message in syslog appears when restarting NetworkManager: May 3 11:19:07 x NetworkManager[22747]: <info> (eth0): preparing device. May 3 11:19:07 x NetworkManager[22747]: <info> (eth0): deactivating device (reason 'managed') [2] ** Affects: network-manager (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993862 Title: NetworkManager ethernet connection doesn't work after upgrade to 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/993862/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs