In my case the destination is a Kingston Data Traveller G4 64GB USB 3.0
and I was trying to install Ubuntu 17.04. This was the first failure.
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https://bugs.launchpad.net/bugs/1335012
Titl
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Reviewing your log files attached to this bug report it
seems that there is a problem with the disk to which you are trying to
install Ubuntu. I'd recommend performing a back up of your existing
operating system a