Comment 31 for bug 972077

```
E: Failed to fetch http://us-east-1.ec2.archive.ubuntu.com/ubuntu/dists/xenial-updates/main/source/Sources Writing more data than expected (434945 > 433931) [IP: 34.229.150.131 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
```