Description of problem:

engine-setup
...
[ INFO  ] Stage: Setup validation
         
          PostgreSQL uuid-ossp extension is not installed in  the engine :database
 ^^^^^^^^ here, invalid db name
          Please run the following commands from psql prompt  with database administrator privileges and run  engine-setup again:
          DROP FUNCTION IF EXISTS uuid_generate_v1();
          CREATE EXTENSION "uuid-ossp";
          For DROP you should connect to the engine database,
            even though you use admin user.
[ ERROR ] Failed to execute stage 'Setup validation': uuid-ossp extension is not installed on database
[ INFO  ] Stage: Clean up
...

my dbs were: remotedb, remoteodb

Version-Release number of selected component (if applicable):
4.2.3

How reproducible:
100%

Steps to Reproduce:
1. have 9.5 without uuid-ossp extension (i used remote db setup)
2. engine-setup from 4.1 to 4.2 (upgrade)
3.

Actual results:
misleading db name in the output

Expected results:
db name should be valid or db name should not be there at all

Additional info: