/usr/lib/x86_64-linux-gnu/libiscsi.so.1 is in libiscsi1 1.0.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libiscsi.so.1.0.10001
/usr/lib/x86_64-linux-gnu/libiscsi.so.1.0.10001