Rerun docker9.

Dockerfile.base9

@@ -27,8 +27,9 @@ COPY --from=build51 /usr/local /usr/local
 COPY --from=build4 /usr/local/bin/ffmpeg4 /usr/local/bin/ffprobe4 /usr/local/bin/
 COPY --from=build50 /usr/local/bin/ffmpeg5 /usr/local/bin/ffprobe5 /usr/local/bin/
 # Note that for armv7, the ffmpeg5-hevc-over-rtmp is actually ffmpeg5.
-RUN rm -f /usr/local/bin/ffmpeg && ln -sf /usr/local/bin/ffmpeg5-hevc-over-rtmp /usr/local/bin/ffmpeg
-RUN rm -f /usr/local/bin/ffprobe && ln -sf /usr/local/bin/ffprobe5-hevc-over-rtmp /usr/local/bin/ffprobe
+RUN rm -f /usr/local/bin/ffmpeg && ln -sf /usr/local/bin/ffmpeg5-hevc-over-rtmp /usr/local/bin/ffmpeg && \
+    rm -f /usr/local/bin/ffprobe && ln -sf /usr/local/bin/ffprobe5-hevc-over-rtmp /usr/local/bin/ffprobe && \
+    du -sh /usr/local/*
 # Note that the PATH has /usr/local/bin by default in ubuntu:focal.
 #ENV PATH=$PATH:/usr/local/bin