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BMC play a key in Baremetalhost CRD object. BMC spec has address and image and userData.
- BMC address define control plane that has a url to communicate to the BMC controller. ICN uses IPMI for communication with BMC controller and has Net C for that control plane traffic
- image field usually has image ins .img and .qcow2 format with their md5sum details
- User Data field is used give k8s secret that hold key information for the OS such as SSH authorization key, hostname or any start-up scripts