Failed to fetch http://archive.repo.saltstack.com/apt/debian/8/amd64/2017.7/dists/jessie/main/binary-amd64/Packages
This worked last week but has since started failing. While the above link does work in a browser it redirects to https://archive.repo.saltproject.io/apt/debian/8/amd64/2017.7/dists/jessie/main/binary-amd64/Packages.