/usr/share/doc/gstreamer1.0-python3-dbg-plugin-loader/changelog.Debian.gz is in gstreamer1.0-python3-dbg-plugin-loader 1.14.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gstreamer1.0-python3-dbg-plugin-loader/../python3-gst-1.0-dbg/changelog.Debian.gz