when 'architecture', 'clientToken', 'dnsName', 'hypervisor', 'imageId',
                  'instanceId', 'instanceType', 'ipAddress', 'kernelId', 'keyName',
                  'instanceLifecycle', 'platform', 'privateDnsName', 'privateIpAddress', 'ramdiskId',
                  'reason', 'requesterId', 'rootDeviceName', 'rootDeviceType',
                  'spotInstanceRequestId', 'virtualizationType'