Always log the releasing, even under failure

Cherry picked from oslo-incubator change id:
I4b87b5d9e5c42a1ab4c837ebb4d45b86faf87c21

Change-Id: Iae1b9035398e283b5837a3214cf0097022af54a9
Related-Bug: #1367941
Merge "Always log the releasing, even under failure"