./stackit up --stack-name lkp-lambda-test --template cfn.yml --previous-param-value PstoreCAKeyBytesName
2017/06/30 00:26:56 ValidationError: Either Template URL or Template Body must be specified.
status code: 400, request id: d2a8645f-5d2a-11e7-a986-41b3c23d55b6
panic: ValidationError: Either Template URL or Template Body must be specified.
status code: 400, request id: d2a8645f-5d2a-11e7-a986-41b3c23d55b6