Can confirm the same message on:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Ellesmere [Radeon RX 470/480/570/570X/580/580X] (rev e7) (prog-if 00 [VGA
controller])
        Subsystem: Tul Corporation / PowerColor Ellesmere [Radeon RX
470/480/570/570X/580/580X]

Kernel 4.19.0-rc8