federation mandatory field is not working

[nabsofken]

When starting a federated service with one non mandatory federated service down, the entire federated service doesn't start. This is the error I see:

    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1146:16)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:21376) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:21376) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.```