/lib/x86_64-linux-gnu/libattr.so.1 is in libattr1 1:2.4.47-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libattr.so.1.1.0
/lib/x86_64-linux-gnu/libattr.so.1.1.0