a boot OnDefineDomain sidecar domain.os.boot apiVersion: kubevirt.io/v1 kind: VirtualMachine spec: template: metadata: annotations: + hooks.kubevirt.io/hookSidecars: '[{"args": ["--version", "v1alpha3"],"image": "ghcr.io/go-bai/kubevirt-boot-sidecar:v1.2.0"}]' + os.vm.kubevirt.io/boot: '{"boot":[{"dev":"hd"},{"dev":"cdrom"}]}' domain.os.bootmenu apiVersion: kubevirt.io/v1 kind: VirtualMachine spec: template: metadata: annotations: + hooks.kubevirt.io/hookSidecars: '[{"args": ["--version", "v1alpha3"],"image": "ghcr.io/go-bai/kubevirt-boot-sidecar:v1.2.0"}]' + os.vm.kubevirt.io/boot: '{"bootmenu":{"enable": "yes", "timeout": "10000"}}'