Correction: the problem returns when the interface is *defined* in /etc/network/interfaces like this:
iface eth0:1 inet static address 192.168.1.1 netmask 255.255.255.0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1481295 Title: virt-manager after upgrade: Error polling connection 'qemu:///system': internal error: could not get interface XML description: File operation failed - Failed to read (null) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/netcf/+bug/1481295/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs