echo "__oam_private_ipaddr__" > /opt/config/oam_private_ipaddr.txt
echo "__nb_api_version__" > /opt/config/nb_api_version.txt
echo "__install_script_version__" > /opt/config/install_script_version.txt
echo "__oam_private_ipaddr__" > /opt/config/oam_private_ipaddr.txt
echo "__nb_api_version__" > /opt/config/nb_api_version.txt
echo "__install_script_version__" > /opt/config/install_script_version.txt