It's doesn't appear to be a bug, the message from dpkgterminallog is 'No
space left on device'.
** Changed in: ufw (Ubuntu)
Status: New => Invalid
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package ufw 0.16.2.1 failed to install or upgrade
https://bugs.launchpad.net/bugs/240562
You received this bug notification because you are
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/15364460/Dependencies.txt
** Attachment added: "DpkgTerminalLog.gz"
http://launchpadlibrarian.net/15364461/DpkgTerminalLog.gz
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package ufw 0.16.2.1 failed to install or upgrade
https://bugs.launchpad.net/bugs/240562
Y