Username: r
== Provider selection ==
  1. local
  2. ExampleBroker
Or enter 'r' to go back to user selection
Choose your provider:
> 2
== Password authentication ==
Enter 'r' to cancel the request and go back to select the authentication flow
Gimme your password:
>
PAM Error Message: user not found
PAM Authenticate()
  User: "r"
  Result: error: PAM exit code: 7
    Authentication failure
