This is on stable essex 2012.1.2. class QuantumLinuxBridgeInterfaceDriver function plug.
There the conditional "if not _device_exists(bridge):" does _not_ enclose the utils.execute call to ip addr add, and thus it will fail in the way i described if it cannot assign the ip. Sorry for not mentioning the version.
This is on stable essex 2012.1.2. class QuantumLinuxBri dgeInterfaceDri ver function plug.
There the conditional "if not _device_ exists( bridge) :" does _not_ enclose the utils.execute call to ip addr add, and thus it will fail in the way i described if it cannot assign the ip. Sorry for not mentioning the version.