Here is how to reproduce the issue in docker.
docker.txt (text/plain), 2.28 KB, created by Dmitry Bilunov on 2017-03-23 13:22:27 UTC
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Creator: Dmitry Bilunov
Created: 2017-03-23 13:22:27 UTC
Size: 2.28 KB
Actions: View
Attachments on bug 21295: 9933