/usr/share/texmf/doc/fonts/arundina/fonts-arundina.txt is in latex-fonts-sipa-arundina 0.2.0-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/texmf/doc/fonts/arundina/../../../../doc/latex-fonts-sipa-arundina/README