This file is indexed.

/usr/lib/x86_64-linux-gnu/libavdevice-ffmpeg.so.56 is in libavdevice-ffmpeg56 7:2.8.6-1ubuntu2.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libavdevice-ffmpeg.so.56.4.100