virtio-devices: vhost_user: Reconnection for slave request handler

Add the support for reconnecting the backend request handler after a
disconnection/crash happened.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

virtio-devices/src/vhost_user/mod.rs

@@ -197,6 +197,7 @@ impl<S: VhostUserMasterReqHandler> VhostUserEpollHandler<S> {
             &self.virtio_interrupt,
             self.acked_features,
             self.acked_protocol_features,
+            &self.slave_req_handler,
         )
         .map_err(|e| {
             EpollHelperError::IoError(std::io::Error::new(