This file is indexed.

/usr/share/doc/strongswan-plugin-pubkey/changelog.Debian.gz is in strongswan-plugin-pubkey 5.3.5-1ubuntu3.

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

It is a symlink to /usr/share/doc/strongswan-plugin-pubkey/../libstrongswan/changelog.Debian.gz