Creating a bridge shouldn't require a slave device

[Simon Déziel]

Not all bridging scenario require to have a slave device. NM should permit creating bridges for that scenario. Please consider this as a wishlist item.

Thanks for adding bridge support to NM!

$ lsb_release -rd
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04

$ apt-cache policy network-manager-gnome
network-manager-gnome:
  Installed: 0.9.8.4-1ubuntu2
  Candidate: 0.9.8.4-1ubuntu2
  Version table:
 *** 0.9.8.4-1ubuntu2 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: network-manager-gnome 0.9.8.4-1ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic x86_64
ApportVersion: 2.13.2-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Jan 31 11:06:31 2014
InstallationDate: Installed on 2014-01-26 (4 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
RfKill:
 1: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: network-manager-applet
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
 NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH
 Wired connection 1 124acb71-824e-4e83-8a20-b05c7eb900ca 802-3-ethernet 1391175617 Fri 31 Jan 2014 08:40:17 AM EST yes no /org/freedesktop/NetworkManager/Settings/2
 OpenWrt5 869128ee-b4b6-4bc7-980f-c0165b596508 802-11-wireless 1391184317 Fri 31 Jan 2014 11:05:17 AM EST yes no /org/freedesktop/NetworkManager/Settings/1
 OpenWrt 280293db-0f99-4e36-9cca-58a7cc80c517 802-11-wireless 1391038150 Wed 29 Jan 2014 06:29:10 PM EST yes no /org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 wlan0 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/2
 eth0 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.8.8 connected enabled enabled enabled enabled disabled