Uninstalling cloud-init after first start
Once the NetBackup for OpenStack appliance is up and running with its initial configuration, it is recommended to uninstall cloud-init.
If cloud-init is not installed, it runs the network configuration again upon every start. Setting the network configuration back to DHCP, if no metadata is provided.
To uninstall cloud-init, follow the example below.
sudo yum remove cloud-init
Or
touch /etc/cloud/cloud-init.disabled