/usr/lib/x86_64-linux-gnu/libspice-server.so is in libspice-server-dev 0.12.6-4ubuntu0.4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libspice-server.so.1.10.0
/usr/lib/x86_64-linux-gnu/libspice-server.so.1.10.0