This seems to be related to :
https://bugs.launchpad.net/ubuntu/+source/stunnel4/+bug/137472
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package stunnel4 3:4.22-2 failed to install/upgrade: subprocess
post-installation script returned error exit status 1
https://bugs.launchpad.net/bugs/416400
You received this bug notification because
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/30571535/Dependencies.txt
** Attachment added: "DpkgTerminalLog.gz"
http://launchpadlibrarian.net/30571536/DpkgTerminalLog.gz
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package stunnel4 3:4.22-2 failed to install/upgrade: subprocess
post-installation script
