Description of problem: Cannot control host from BMC interface. Got the error: Failure: ERF12-2269 [ProxyAPI::ProxyException]: Unable to perform lan BMC operation ([RestClient::BadRequest]: 400 Bad Request) for Capsule https://stellite.example.com:9090/bmc Version-Release number of selected component (if applicable): 6.12 How reproducible: 100% Steps to Reproduce: 1. Refer the steps from the doc link to enable BMC ~~~~~~~~~~~~~~~ 4.8. Enabling Power Management on Managed Hosts https://access.redhat.com/documentation/en-us/red_hat_satellite/6.12/html-single/installing_satellite_server_in_a_connected_network_environment/index#enabling-power-management-on-managed-hosts_satellite ~~~~~~~~~~~~~~~ 2. Configure the BMC Interface for the physical host 3. Checking the power status via the BMC Interface raises the below exception Actual results: Failure: ERF12-2269 [ProxyAPI::ProxyException]: Unable to perform lan BMC operation ([RestClient::BadRequest]: 400 Bad Request) for Capsule https://stellite.example.com:9090/bmc Expected results: It should show the power status without raising any exceptions. Additional info: The same settings are working in satellite 6.11. Moreover, the customer can trigger a reboot via the BMC Interface however checking the power status fails with an error.