* remotes/elmarco/tags/vu-pull-request:
libvhost-user: Support VHOST_USER_SET_SLAVE_REQ_FD
libvhost-user: Update and fix feature and request lists
vhost-user-bridge: Only process received packets on started queues
libvhost-user: vu_queue_started
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>