disable validation vm nic

Author: JoaoJandre

plugins/backup/kboss/src/main/java/org/apache/cloudstack/backup/KbossBackupProvider.java

@@ -61,6 +61,7 @@
 import com.cloud.utils.exception.BackupProviderException;
 import com.cloud.utils.exception.CloudRuntimeException;
 import com.cloud.utils.fsm.NoTransitionException;
+import com.cloud.vm.NicVO;
 import com.cloud.vm.UserVmManager;
 import com.cloud.vm.UserVmVO;
 import com.cloud.vm.VMInstanceDetailVO;
@@ -1407,6 +1408,8 @@ private UserVmVO allocateValidationVm(long backupId, BackupVO backupVO) {
         UserVmVO validationVm;
         try {
             validationVm = (UserVmVO) userVmManager.allocateVMForValidation(backupId, Hypervisor.HypervisorType.KVM);
+            NicVO nic = nicDao.findDefaultNicForVM(validationVm.getId());
+            virtualMachineManager.updateVmNic(validationVm, nic, false);
             validationVm.setDataCenterId(backupVO.getZoneId());
         } catch (InsufficientCapacityException | ResourceAllocationException | ResourceUnavailableException e) {
             String msg = String.format("Unable to allocate dummy VM to validate %s due to %s.", backupVO.getUuid(), e.getMessage());