[syslog-ng] Extra characters at beginning of line

Hi Everyone, I'm running into an issue where syslog-ng is adding extra characters to beginning of every line. Specifically, "<134>" is getting inserted right before the time stamp: <134>Jan 7 13:06:17 host1 kernel: device eth0 entered promiscuous mode This syslog-ng server is sending traffic to a remote Splunk instance (using TCP, not UDP), at first I though it was Splunk adding the characters but when I did a tcpdump on syslog-ng's outbound connection I found that they where already present. In addition to sending this traffic to Splunk the syslog-ng instance also log's local to a file. The <134> doesn't show up in the local file. Anyone have any ideas where this is coming from ? Thanks! Florian