This file is indexed.

/usr/lib/mono/2.0/I18N.dll is in libmono-i18n-west2.0-cil 3.2.8+dfsg-4ubuntu1.

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

It is a symlink to /usr/lib/mono/2.0/../gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll