This file is indexed.

/usr/x86_64-linux-gnu/lib/libnss_nis.so is in libc6-dev-amd64-cross 2.27-3ubuntu1cross1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/x86_64-linux-gnu/lib/libnss_nis.so.2