/usr/lib/x86_64-linux-gnu/libIceSSL.so is in libzeroc-ice-dev 3.7.0-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libIceSSL.so.37
/usr/lib/x86_64-linux-gnu/libIceSSL.so.37