Fix missing value types for log message
Fix missing value types for log message

This commit fix the missing value type in log message of exception.

Change-Id: Ib052964e49ded2eb427d5b448241e25cbd066906
Closes-Bug: #1494574

Tesora/tesora-tempest,cisco-openstack/tempest,tonyli71/tempest,masayukig/tempest,LIS/lis-tempest,izadorozhna/tempest,zsoltdudas/lis-tempest,vedujoshi/tempest,openstack/tempest,LIS/lis-tempest,xbezdick/tempest,openstack/tempest,sebrandon1/tempest,xbezdick/tempest,rakeshmi/tempest,zsoltdudas/lis-tempest,tonyli71/tempest,sebrandon1/tempest,bigswitch/tempest,izadorozhna/tempest,rakeshmi/tempest,cisco-openstack/tempest,masayukig/tempest,Juniper/tempest,bigswitch/tempest,Tesora/tesora-tempest,vedujoshi/tempest,Juniper/tempest