if [[ ${DISTRO_NAME} =~ (centos|fedora) ]]; then
    export DIB_SIMPLE_INIT_NETWORKMANAGER=${DIB_SIMPLE_INIT_NETWORKMANAGER:-1}
else
    export DIB_SIMPLE_INIT_NETWORKMANAGER=${DIB_SIMPLE_INIT_NETWORKMANAGER:-0}
fi

if [[ ${DISTRO_NAME} == "centos" && $DIB_RELEASE > 7 ]] || [[ ${DISTRO_NAME} == "fedora" ]]; then
    if [[ $DIB_SIMPLE_INIT_NETWORKMANAGER == 0 ]]; then
        echo "simple-init only supports NetworkManager mode on Fedora and CentOS 8"
        exit 1
    fi
fi