/usr/lib/x86_64-linux-gnu/libriemann-client.so.0 is in libriemann-client0 1.8.1-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libriemann-client.so.0.8.1
/usr/lib/x86_64-linux-gnu/libriemann-client.so.0.8.1