Changing the boot disk via sunstone removes CPU_MODEL from the vm configuration

Please, describe the problem here and provide additional information below (if applicable) …


Versions of the related components and OS (frontend, hypervisors, VMs):

OpenNebula 7.0, KVM Nodes

Steps to reproduce:

Edit the Configuration of a VM via “Update VM Configuration” in SunStone, go to Boot order and select any disk, click on “Accept”

Current results:

the CPU_MODEL parameter gets removed from the VM configuration and needs to be re-added with onevm updateconf

Expected results:

change of boot order without messing up the VM configuration