/usr/lib/libcollectdclient.so is in libcollectdclient-dev 5.4.1-6+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libcollectdclient.so.1.0.0
/usr/lib/libcollectdclient.so.1.0.0