--- /usr/share/munin/munin-update	2015-11-28 00:44:27.175435050 +0100
+++ /usr/share/munin/munin-update	2015-11-28 00:44:57.313544402 +0100
@@ -34,6 +34,7 @@
 
     logger_open($config->{'logdir'});
     logger_debug() if $config->{debug};
+    logger_level("warn");
 
     my $update = Munin::Master::Update->new();
     $update->run();