/lib/x86_64-linux-gnu/libsystemd.so.0 is in libsystemd0 232-25+deb9u8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libsystemd.so.0.17.0
/lib/x86_64-linux-gnu/libsystemd.so.0.17.0