cros_post_src_install_keyutils_flatcar_modifications() {
    # install a symlink for backward compatibility, can't use "dosym
    # -r", because ebuild has EAPI 7, while "dosym -r" is supported
    # only since EAPI 8.
    #
    # dosym -r /usr/share/flatcar/etc/request-key.conf /usr/share/keyutils/request-key.conf
    ln -sTr "${ED}/usr/share/flatcar/etc/request-key.conf" "${ED}/usr/share/keyutils/request-key.conf" || die
    insinto /usr/share/flatcar/etc
    newins - request-key.conf
}
