...
Should this be undesirable, for example, because a NIC is to be dedicated to the Solaris guest system, this automatic configuration can be suppressed by disabling the setup in the file /etc/default/instance_configs.cfg.
Important information:
- Currently, the Older Charon-SSP marketplace images are based on CentOS 7, newer ones are based on Linux 8.x.
- The NetworkManager is disabled by default in these images.instances based on Charon marketplace images that use Linux 7.x.
- If you disable the automatic interface setup by GCP on instances running Linux 7.x, you must make sure that the correct ifcfg-files for every interface exist in /etc/sysconfig/network-config. Failure to do so, can make your instance unreachable after the next network restart. On instances based on Charon marketplace images using Linux 8.x you can use the NetworkManager manually or via the Charon Manager to configure the IP setup for additional interfaces.
- If you use a RHEL/CentOS 8 image as the base image for your Charon host, the interface must be controlled by the NetworkManager. You can set up the appropriate configuration by editing the interface configuration files or using nmcli commands.
...