ctapdev: start without carrier to avoid unknown state
ctapdev: start without carrier to avoid unknown state

Linux will show the link state as UNKNOWN until there has been at least
one carrier state change. So set the carrier state to 0 when creating
tap devices so ports will always have a UP transition.

Signed-off-by: Jonas Gorski <9712c064bde5a52658fc87d6454b4956f9bf286b@bisdn.de>

bisdn/basebox,bisdn/basebox,bisdn/basebox,bisdn/basebox