Fix formatting for log file handlers

dhcp_configurator.py

@@ -38,6 +38,7 @@ class Generator(object):
         if logfile:
             handler = logging.handlers.RotatingFileHandler(logfile,
                                                            maxBytes=10*1024**3, backupCount=5)
+            handler.setFormatter(logging.getLogger("").handlers[0].formatter)
             logging.getLogger("").addHandler(handler)
         self.range = [150, 200]
         self.prefix = "158.38.213."

iptables_configurator.py

@@ -26,6 +26,7 @@ class Generator(object):
         if logfile:
             handler = logging.handlers.RotatingFileHandler(logfile, maxBytes=10*1024**3,
                                                            backupCount=5)
+            handler.setFormatter(logging.getLogger("").handlers[0].formatter)
             logging.getLogger("").addHandler(handler)
         # maps security group id from etcd to the name of a ipset containing its members
         self.group_members_groups = {}

neighbors.py

@@ -105,6 +105,7 @@ def main(args):
     if args.daemonize:
         handler = logging.handlers.RotatingFileHandler(args.logfile, maxBytes=10*1024**3,
                                                        backupCount=5)
+        handler.setFormatter(logging.getLogger("").handlers[0].formatter)
         logging.getLogger("").addHandler(handler)
 
     cache = NeighborCache(args.cert, args.key, args.cacert, args.interface, args.routers)