info: IdentityServer4.Hosting.IdentityServerMiddleware[0]
      Invoking IdentityServer endpoint: IdentityServer4.Endpoints.TokenEndpoint for /connect/token
info: IdentityServer4.Events.DefaultEventService[0]
      {
        "Name": "Client Authentication Failure",
        "Category": "Authentication",
        "EventType": "Failure",
        "Id": 1011,
        "ClientId": "unknown",
        "Message": "No client id found",
        "ActivityId": "80000008-0006-fe00-b63f-84710c7967bb",
        "TimeStamp": "2020-05-06T11:35:00Z",
        "ProcessId": 2280,
        "LocalIpAddress": "::1:58508",
        "RemoteIpAddress": "::1"
      }
fail: IdentityServer4.Validation.ClientSecretValidator[0]
      No client identifier found