Make the datasource check a little more open
Make the datasource check a little more open

Logging seems to differ a little between the distros. For Fedora
25 or newer, it's easier to get this info out of the other log,
so look in both

Change-Id: Ieef760f39cc19ee9c32b6110ee4b9932618b603a

NeCTAR-RC/nectar-images,NeCTAR-RC/nectar-images