/var/log/apache2/

The version you requested (4.8.0-56.61~16.04.1) is not available, but a newer one is (4.8.0-58.63~16.04.1). We redirected you there.

This file is indexed.

/var/log/apache2/ is in apache2.2-common 2.2.22-13+deb7u6.

This file is owned by root:adm, with mode 0o750.

apache2.2-common 2.2.22-13+deb7u6 / var / log / apache2