tacker/vm/monitor.py: log format error
tacker/vm/monitor.py: log format error

Change-Id: I429a312092452e1a9b89d6c99e2d41f47e09d135

zeinsteinz/tacker,zeinsteinz/tacker,openstack/tacker,stackforge/tacker,trozet/tacker,openstack/tacker,SripriyaSeetharam/tacker,trozet/tacker,openstack/tacker,stackforge/tacker,priya-pp/Tacker,priya-pp/Tacker,SripriyaSeetharam/tacker