/usr/lib/x86_64-linux-gnu/libte_functions.so.3.6 is in libterralib 4.0.0-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libte_functions.so.3.6.1
/usr/lib/x86_64-linux-gnu/libte_functions.so.3.6.1