On 11/19/14, 9:23 AM, "Vasiliy Tolstov" <v.tolstov@xxxxxxxxx> wrote: >2014-11-19 20:17 GMT+03:00 Anirban Chakraborty <abchak@xxxxxxxxxxx>: >> The Œethernet¹ interface type assumes that you have an existing tap >> device. Did you check if the tap device that it is complaining against >> actually exists in the host? > > >Yes, but ethernet device type does not always means that device >already exists. Before this patch a have devices automatic created >with libvirt/qemu for me. The patch didn’t do anything to add/delete tap devices. Please see the following links where similar issue has been discussed. http://wiki.libvirt.org/page/Guest_won%27t_start_-_warning:_could_not_open_ /dev/net/tun_%28%27generic_ethernet%27_interface%29 https://answers.launchpad.net/neutron/+question/179967 Anirban -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list