The following failures were observed on Ubuntu 12 (64 bit):
[INFO] Installing package mongodb-org-server
[FAIL] config file missing at /etc/mongod.conf
[FAIL] mongod is not running
[FAIL] mongod is not running as mongodb user
[FAIL] mongod is not running with configuration file
[FAIL] unable to stop mongod successfully
[FAIL] log missing at /var/log/mongodb
[FAIL] data files missing at /var/lib/mongodb
[INFO] Installing package mongodb-enterprise
[FAIL] data has been corrupted in upgrade process