Updated openstack/openstack
Project: openstack/nova  f4ff98a590d8ac1d5595e6dd4f57d4b293734840
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Fix missing format specifier in ImagePropertiesFilter log message

Commit a52259e introduced some changes to debug log messages in the
ImagePropertiesFilter but with that came a bug due to a missing format
specifier.

Closes-Bug: #1253875

Change-Id: Ic60b7ba179bd43b80c500be084a1809b6b0b32ca