Syncthing permanently shows my other computer as being out of date (It says “Synchronizing (95% 1,011 MiB)”) even though it is not. Both download and upload speed stay at zero permanently. In the “files not up to date” it shows a large number of files. I checked some of the files and they are, in fact, synchronized between the computers (I even confirmed that md5 checksums of a few of those files are identical on both computers).
I recently reinstalled the operating system, wiped the disks and restores the synced folder from backups. This may have caused the problem.
How do I debug the problem or fix it?