This appears to be a bug in the postinst script of the couchdb package,
so assigning it there.
Automatically translated section of the error log:
Setting: couchdb-bin (0.10.0-1ubuntu2) ...
chown: can not read the following directory: "/ etc / couchdb / default.d ':
Permission denied
chown: can n
** Attachment added: "AptOrdering.txt"
https://bugs.launchpad.net/bugs/623156/+attachment/1514896/+files/AptOrdering.txt
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/623156/+attachment/1514897/+files/Dependencies.txt
** Attachment added: "Df.txt"
https://bug