fix(xo-server/clearHost): warn if host does not support migration network for evacuation (#6206)

packages/xo-server/src/xapi/index.mjs

@@ -214,6 +214,10 @@ export default class Xapi extends XapiBase {
           : this.callAsync('host.evacuate', hostRef, migrationNetworkRef))
       } catch (error) {
         if (error.code === 'MESSAGE_PARAMETER_COUNT_MISMATCH') {
+          log.warn(
+            'host.evacuate with a migration network is not supported on this host, falling back to evacuating without the migration network',
+            { error }
+          )
           await this.callAsync('host.evacuate', hostRef)
         } else {
           throw error