Merge branch 'bugfix/multiple-log-lines' into 'master'

Fix multiple log lines

Closes #813

See merge request ungleich-public/cdist!883

cdist/log.py

@@ -64,6 +64,7 @@ class DefaultLog(logging.Logger):
 
     def __init__(self, name):
         super().__init__(name)
+        self.propagate = False
 
         formatter = logging.Formatter(self.FORMAT)