Logging to /var/log/syslog!!

Hi,

I'm using Serviio 2.1 on Ubuntu 20.04 and am seeing all the library updates in /var/log/syslog. This is making it a bit difficult to track down any other issues. I'd like to disable the logging to /var/log/syslog of such activity.
10.0.0.0.1 192.168.1.254
I'm seeing logging activity in the log directory

Code:
root@media:/opt/serviio/config# la -lah ../log/
total 27M
drwxr-xr-x 2 serviio serviio 4.0K Mar 22 14:18 .
drwxr-xr-x 9 serviio serviio 4.0K May 18 2020 ..
-rw-r--r-- 1 serviio serviio 667 Mar 17 16:43 derby.log
-rw-r--r-- 1 serviio serviio 2.0M Mar 22 14:47 serviio.log
-rw-r--r-- 1 serviio serviio 4.9M Mar 22 14:18 serviio.log.1
-rw-r--r-- 1 serviio serviio 4.9M Mar 22 13:11 serviio.log.2
-rw-r--r-- 1 serviio serviio 4.9M Mar 22 12:05 serviio.log.3
-rw-r--r-- 1 serviio serviio 4.9M Mar 22 10:58 serviio.log.4
-rw-r--r-- 1 serviio serviio 4.9M Mar 22 09:51 serviio.log.5
root@media:/opt/serviio/config#


Here's my log4j config, I've nod adjusted it from install.

Code:
root@media:/opt/serviio/config# cat log4j.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<!-- ===================================================================== -->
<!-- -->
<!-- Log4j Configuration -->
<!-- -->
<!-- ===================================================================== -->

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">

<appender name="FILE" class="org.apache.log4j.RollingFileAppender">