Created attachment 4174 [details] diffoscope output comparing two builds. There are some minor binary differences when mesa-vulkan-drivers are built several times. Please see the attached file.
Maxin, can you take this? Presumably some tool needs to sort the keys, and it's worth checking upstream and/or Debian for an existing patch.
Hi Ross, Yes, will take it.
http://lists.openembedded.org/pipermail/openembedded-core/2018-January/146505.html
https://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=f41020e4f679f974ce4143b138fa9b18cc3e04d0