Fix for invalid LOG method syntax
Fix for invalid LOG method syntax

Without this patch, tacker-conductor emits a logging error message like
"Error formatting log line msg='Update vnf lcm *s *s' ..."

Change-Id: Ifc93cac44df2be99202cc0348f555b796982e045

stackforge/tacker,openstack/tacker,stackforge/tacker,openstack/tacker,openstack/tacker