[2020-07-04 05:47:48] Core.WARNING: Foo [] {"dummy":"Hello world!"}
[2020-07-04 05:48:39] Core.WARNING: Foo [] {"dummy":"Hello world!"}
[2020-07-04 05:48:43] Core.WARNING: Foo [] {"dummy":"Hello world!"}
[2020-07-04 05:49:04] Core.WARNING: Foo [] {"dummy":"Hello world!"}