This seems to be due in part to an issue with your network:
2015-12-02 17:53:34,578 DEBUG running doUpdate() (showErrors=True) 2015-12-02 17:56:36,120 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/vivid/universe/source/Sources Cannot initiate the connection to us.archive.ubuntu.com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] , W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/vivid/multiverse/source/Sources Cannot initiate the connection to us.archive.ubuntu.com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] , W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/vivid/main/binary-amd64/Packages Cannot initiate the connection to us.archive.ubuntu.com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] , W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/vivid/restricted/binary-amd64/Packages Cannot initiate the connection to us.archive.ubuntu.com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80]
Having said that the upgrade will fail due to bug 1534374.
This seems to be due in part to an issue with your network:
2015-12-02 17:53:34,578 DEBUG running doUpdate() (showErrors=True) us.archive. ubuntu. com/ubuntu/ dists/vivid/ universe/ source/ Sources Cannot initiate the connection to us.archive. ubuntu. com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] us.archive. ubuntu. com/ubuntu/ dists/vivid/ multiverse/ source/ Sources Cannot initiate the connection to us.archive. ubuntu. com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] us.archive. ubuntu. com/ubuntu/ dists/vivid/ main/binary- amd64/Packages Cannot initiate the connection to us.archive. ubuntu. com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80] us.archive. ubuntu. com/ubuntu/ dists/vivid/ restricted/ binary- amd64/Packages Cannot initiate the connection to us.archive. ubuntu. com:80 (91.189.91.23). - connect (101: Network is unreachable) [IP: 91.189.91.23 80]
2015-12-02 17:56:36,120 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://
, W:Failed to fetch http://
, W:Failed to fetch http://
, W:Failed to fetch http://
Having said that the upgrade will fail due to bug 1534374.