Hi, Want to have logs from cluster on Graylog but seems like CEPH send empty "host" field. Any one can help ? CEPH 16.2.3 # ceph config dump | grep graylog global advanced clog_to_graylog true global advanced clog_to_graylog_host xx.xx.xx.xx global basic err_to_graylog true global basic log_graylog_host xx.xx.xx.xx * global basic log_to_graylog true I see that my Graylog is hit by traffic from ceph on port 12201 udp and parsed by GELF udp Grylog logs: 2021-07-01 12:16:57,355 ERROR: org.graylog2.shared.buffers.processors.DecodingProcessor - Error processing message RawMessage{id=3ad5c6a1-da66-11eb-a55c-0242ac120005, messageQueueId=2810784, codec=gelf, payloadSize=340, timestamp=2021-07-01T12:16:57.354Z, remoteAddress=/xx.xx.xx.xx:34049} java.lang.IllegalArgumentException: GELF message <3ad5c6a1-da66-11eb-a55c-0242ac120005> (received from <xx.xx.xx.xx:34049>) has empty mandatory "host" field. at org.graylog2.inputs.codecs.GelfCodec.validateGELFMessage(GelfCodec.java:247) ~[graylog.jar:?] at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:140) ~[graylog.jar:?] at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:153) ~[graylog.jar:?] at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:94) [graylog.jar:?] at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:90) [graylog.jar:?] at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:47) [graylog.jar:?] at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:143) [graylog.jar:?] at com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66) [graylog.jar:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292] Best regards Milosz