Can't reestablish the download when network is (unintentionally) cut for short time

[ogra]

It looks like this could be similar to:

Refreshing/downloading a snap over a poor connection

We have devices running snaps in some pretty remote locations with poor connectivity. Sometimes we observe that during refresh, snap downloads error out - with an “unexpected EOF” error. Doing a refresh manually on a particular device in Sierra Leone, I observe that the ~50MB download chugs along fine for a while at ~25kB/sec, but then about a quarter of the way through the dreaded “unexpected EOF” comes up and everything drops dead. error: cannot perform the following tasks: - Download snap "…

and there seems to be work on a fix as well:

store/store_download.go: make snapd resilient on slow network