return nil, ErrClosed
		}
		select {
		case <-expired:
			ffd.incoming <- incoming
			return nil, os.ErrDeadlineExceeded
		default:
		}
	case incoming, ok = <-ffd.incomingFull:
		select {
		case <-expired:
			ffd.incomingFull <- incoming
			return nil, os.ErrDeadlineExceeded
		default:
		}
	}

	peer := incoming[0]
	incoming = incoming[1:]
	if len(incoming) == 0 {