Python logging insanity

logpain.ini

[loggers]
keys = root, foo

[logger_root]
handlers = stdout
level = DEBUG

[logger_foo]
qualname = foo
handlers =

[handlers]
keys = stdout

[handler_stdout]
class = StreamHandler
args = (sys.stdout,)
formatter = mine

[formatters]
keys = mine

[formatter_mine]
format = [%(name)s] %(levelname)s: %(message)s

logpain.py

import logging
import logging.config

one = logging.getLogger('one')
foo = logging.getLogger('foo')

logging.config.fileConfig('logpain.ini')

two = logging.getLogger('two')

one.info('hello')
two.info('world')
foo.info('bar')

# What do you expect to be printed?  Neither 'one' nor 'two' are explicitly mentioned in the .ini file

output.txt

[two] INFO: world
[foo] INFO: bar