/etc/fonts/conf.d/64-23-tlwg-mono.conf is in fonts-tlwg-mono 1:0.6.2-2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /etc/fonts/conf.d/../conf.avail/64-23-tlwg-mono.conf
/etc/fonts/conf.d/../conf.avail/64-23-tlwg-mono.conf