Sync unhandled exception logging change from Oslo
Sync unhandled exception logging change from Oslo

copy changes from 1 Oslo commit: Ibf00173a07510b2ec0c81a29624004f17810a4e4
This is related to the bug fix for adding error type to unhandled
exception log message

Change-Id: I5645894aad5944f6a91032ae9ac1f2a0904661f7
Closes-Bug: #1265561

openstack/glance,redhat-openstack/glance,openstack/glance,redhat-openstack/glance,rajalokan/glance,sigmavirus24/glance,JioCloud/glance,kfwang/Glance-OVA-OVF,jumpstarter-io/glance,scripnichenko/glance,takeshineshiro/glance,vuntz/glance,klmitch/glance,saeki-masaki/glance,saeki-masaki/glance,dims/glance,ozamiatin/glance,tanglei528/glance,dims/glance,openstack/glance,wkoathp/glance,darren-wang/gl,scripnichenko/glance,akash1808/glance,tanglei528/glance,takeshineshiro/glance,stevelle/glance,wkoathp/glance,kfwang/Glance-OVA-OVF,rajalokan/glance,darren-wang/gl,ozamiatin/glance,vuntz/glance,akash1808/glance,jumpstarter-io/glance,paramite/glance,paramite/glance,klmitch/glance,sigmavirus24/glance,stevelle/glance,JioCloud/glance