Update: From your log file, it would appear that your have a Kernel Extension that is causing this issue.
Either it has a permissions problem, or is somehow causing this annoying issue.
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Oct 6 installd: kextcache: Prelink failed for com.sierrawireless.driver. Oct 6 installd: kextcache: Failed to generate prelinked kernel. Or maybe you can take a screenshot, but I would have to wait for next upgrade or first downgrade and then upgrade again.