You can configure this attribute to delete the elastic network interface that are associated together when deleting an instance.
Select a region.
In the instance list, select the instance where you want to configure the elastic network interface with deletion attribute. Click the name to enter the details page.
Click Elastic Network Interface tab, select the elastic network interface to be configured, click Modify icon after deleting attributes.
In the pop-up window, configure it as needed, and click OK.
Note: The primary network interface is deleted on instance termination by default and cannot be modified.
In addition, you can also configure the operation from the elastic network interface console. For details, see Elastic Network Interface Side Configuration Delete Attributes.