File _patchinfo of Package patchinfo.6984

<patchinfo incident="6984">
  <issue id="1031479" tracker="bnc">docker load is not atomic</issue>
  <category>recommended</category>
  <rating>low</rating>
  <packager>cyphar</packager>
  <description>This update for docker fixes the following issues:

- Backport a layerdb fix for inatomic layerdb operations. In certain cases this would result in /var/lib/docker
  corruption that would cause Docker to refuse to start. (boo#1031479)</description>
  <summary>Recommended update for docker</summary>
</patchinfo>