Compute: improve logging using {} instead of dict
Compute: improve logging using {} instead of dict

Make use of {} instead of dict.

Please see:

http://doughellmann.com/2012/11/12/the-performance-impact-of-using-dict-instead-of-in-cpython-2-7-2.html

TrivialFix

Change-Id: If2b0596fb74607ae9fc3d0f0ce57613dcb863587

klmitch/nova,belmiromoreira/nova,alvarolopez/nova,dims/nova,tangfeixiong/nova,Stavitsky/nova,felixma/nova,iuliat/nova,double12gzh/nova,barnsnake351/nova,JioCloud/nova_test_latest,scripnichenko/nova,BeyondTheClouds/nova,tudorvio/nova,Francis-Liu/animated-broccoli,whitepages/nova,akash1808/nova_test_latest,gooddata/openstack-nova,rahulunair/nova,bigswitch/nova,TwinkleChawla/nova,hanlind/nova,alvarolopez/nova,ted-gould/nova,takeshineshiro/nova,CCI-MOC/nova,jeffrey4l/nova,dims/nova,Tehsmash/nova,watonyweng/nova,ruslanloman/nova,LoHChina/nova,rahulunair/nova,Francis-Liu/animated-broccoli,cernops/nova,akash1808/nova,scripnichenko/nova,eonpatapon/nova,akash1808/nova,ruslanloman/nova,rajalokan/nova,phenoxim/nova,double12gzh/nova,Juniper/nova,j-carpentier/nova,BeyondTheClouds/nova,JioCloud/nova,hanlind/nova,noironetworks/nova,mandeepdhami/nova,zhimin711/nova,Juniper/nova,alaski/nova,CloudServer/nova,tudorvio/nova,tangfeixiong/nova,mmnelemane/nova,j-carpentier/nova,raildo/nova,iuliat/nova,JioCloud/nova,vmturbo/nova,mikalstill/nova,BeyondTheClouds/nova,watonyweng/nova,cyx1231st/nova,nikesh-mahalka/nova,yosshy/nova,NeCTAR-RC/nova,devendermishrajio/nova_test_latest,sebrandon1/nova,shail2810/nova,Stavitsky/nova,felixma/nova,jianghuaw/nova,mahak/nova,cyx1231st/nova,JioCloud/nova_test_latest,apporc/nova,rajalokan/nova,rahulunair/nova,cernops/nova,CEG-FYP-OpenStack/scheduler,edulramirez/nova,jeffrey4l/nova,gooddata/openstack-nova,yosshy/nova,zaina/nova,jianghuaw/nova,phenoxim/nova,shail2810/nova,Juniper/nova,JianyuWang/nova,MountainWei/nova,vmturbo/nova,tealover/nova,hanlind/nova,edulramirez/nova,fnordahl/nova,LoHChina/nova,devendermishrajio/nova_test_latest,noironetworks/nova,kimjaejoong/nova,CCI-MOC/nova,varunarya10/nova_test_latest,zzicewind/nova,whitepages/nova,CloudServer/nova,raildo/nova,CEG-FYP-OpenStack/scheduler,yatinkumbhare/openstack-nova,fnordahl/nova,bigswitch/nova,cloudbase/nova,varunarya10/nova_test_latest,devendermishrajio/nova,zhimin711/nova,sebrandon1/nova,NeCTAR-RC/nova,nikesh-mahalka/nova,yatinkumbhare/openstack-nova,rajalokan/nova,ted-gould/nova,Tehsmash/nova,vmturbo/nova,klmitch/nova,mandeepdhami/nova,isyippee/nova,eonpatapon/nova,jianghuaw/nova,mmnelemane/nova,takeshineshiro/nova,zzicewind/nova,gooddata/openstack-nova,openstack/nova,mikalstill/nova,mahak/nova,rajalokan/nova,devendermishrajio/nova,cloudbase/nova,klmitch/nova,apporc/nova,mikalstill/nova,openstack/nova,TwinkleChawla/nova,cernops/nova,openstack/nova,zaina/nova,gooddata/openstack-nova,isyippee/nova,cloudbase/nova,belmiromoreira/nova,barnsnake351/nova,Juniper/nova,klmitch/nova,kimjaejoong/nova,jianghuaw/nova,tealover/nova,JianyuWang/nova,alaski/nova,vmturbo/nova,mahak/nova,akash1808/nova_test_latest,sebrandon1/nova,MountainWei/nova