Update tracing in block_device_create_config_file
Update tracing in block_device_create_config_file

Something seems to be going on with the ppc matching in the gate test.
Small updates to see what's going on...

Change-Id: Ie48cd4ce1f983a58932a577a43746240f6866936

openstack/diskimage-builder,switch-ch/diskimage-builder,switch-ch/diskimage-builder,openstack/diskimage-builder