message: nydusd: fix log message
  Some log messages is not correct.
diff: @@ -75,9 +75,9 @@ pub struct DaemonController {
  impl DaemonController {
  fn new() -> Self {
  - let poller = Poll::new().expect("Failed to create `ServiceController` instance");
  + let poller = Poll::new().expect("Failed to create poller for DaemonController");
  let waker = Waker::new(poller.registry(), Token(1))
  - .expect("Failed to create waker for ServiceController");
  + .expect("Failed to create waker for DaemonController");
  Self {
  active: AtomicBool::new(true),
  @@ -706,7 +706,7 @@ fn process_fs_service(
  DAEMON_CONTROLLER.set_daemon(daemon);
  } else {
  #[cfg(feature = "virtiofs")]
  - if !is_fuse {
  + {
  let vu_sock = args.value_of("sock").ok_or_else(|| {
  DaemonError::InvalidArguments("vhost socket must be provided!".to_string())
  })?;
  