Catch the socket exception and log it.
Catch the socket exception and log it.

Closes-Bug: #1186394
Change-Id: I8aefe54deaa44427c6bb92cf439545e94902fb52

JioCloud/keystone,dstanek/keystone,ajayaa/keystone,UTSA-ICS/keystone-kerberos,roopali8/keystone,takeshineshiro/keystone,rushiagr/keystone,roopali8/keystone,dims/keystone,himanshu-setia/keystone,cloudbau/keystone,ging/keystone,maestro-hybrid-cloud/keystone,rodrigods/keystone,blueboxgroup/keystone,jamielennox/keystone,takeshineshiro/keystone,reeshupatel/demo,cloudbau/keystone,cernops/keystone,idjaw/keystone,rajalokan/keystone,openstack/keystone,derekchiang/keystone,jumpstarter-io/keystone,openstack/keystone,promptworks/keystone,klmitch/keystone,derekchiang/keystone,MaheshIBM/keystone,cernops/keystone,idjaw/keystone,dsiddharth/access-keys,ilay09/keystone,rajalokan/keystone,vivekdhayaal/keystone,jonnary/keystone,mahak/keystone,mahak/keystone,nuxeh/keystone,reeshupatel/demo,ging/keystone,MaheshIBM/keystone,jamielennox/keystone,jonnary/keystone,ilay09/keystone,himanshu-setia/keystone,promptworks/keystone,dsiddharth/access-keys,blueboxgroup/keystone,dsiddharth/access-keys,UTSA-ICS/keystone-kerberos,rodrigods/keystone,jumpstarter-io/keystone,nuxeh/keystone,mahak/keystone,klmitch/keystone,jumpstarter-io/keystone,reeshupatel/demo,rajalokan/keystone,maestro-hybrid-cloud/keystone,derekchiang/keystone,ilay09/keystone,dstanek/keystone,dstanek/keystone,rushiagr/keystone,dims/keystone,nuxeh/keystone,ajayaa/keystone,vivekdhayaal/keystone,promptworks/keystone,openstack/keystone,JioCloud/keystone,vivekdhayaal/keystone,rushiagr/keystone,cloudbau/keystone