/usr/lib/x86_64-linux-gnu/libClp.so is in coinor-libclp-dev 1.15.5-1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libClp.so.1.12.5
/usr/lib/x86_64-linux-gnu/libClp.so.1.12.5