Tested with extra message with udf-characters:
```
Aug 15 09:30:12 ems-esp32 emsesp 000+00:00:00.000 I 0 Starting Syslog
Aug 15 09:30:13 ems-esp32 emsesp 000+00:00:00.000 I 2 EMS Device library loaded with 79 records
Aug 15 09:30:13 ems-esp32 emsesp <BOM>000+00:00:00.000 I 3 Testing syslog with udf-8-chars: €öäü߀öäü߀öäüß
Aug 15 09:30:13 ems-esp32 emsesp 000+00:00:03.741 I 5 Starting NTP
```