/usr/lib/x86_64-linux-gnu/libopenconnect.so is in libopenconnect-dev 7.08-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libopenconnect.so.5.4.0
/usr/lib/x86_64-linux-gnu/libopenconnect.so.5.4.0