diff --git a/services/graylog/GraylogWorkflow.png b/services/graylog/GraylogWorkflow.png
new file mode 100644
index 00000000..0f795fa6
Binary files /dev/null and b/services/graylog/GraylogWorkflow.png differ
diff --git a/services/graylog/README.md b/services/graylog/README.md
index e9651f9f..1247bb64 100644
--- a/services/graylog/README.md
+++ b/services/graylog/README.md
@@ -10,6 +10,9 @@ make up
 make down
 ```
 
+## Graylog workflow overview
+![Graylog workflow overview](./GraylogWorkflow.png)
+
 ## Configuration for graylog - The Principles
 
 1. Create a GELF UDP INPUT
diff --git a/services/graylog/data/contentpacks/osparc-custom-content-pack-v2.json b/services/graylog/data/contentpacks/osparc-custom-content-pack-v2.json
index 29736672..f50cec48 100644
--- a/services/graylog/data/contentpacks/osparc-custom-content-pack-v2.json
+++ b/services/graylog/data/contentpacks/osparc-custom-content-pack-v2.json
@@ -1,7 +1,7 @@
 {
   "v": "1",
   "id": "dfaeea11-bde6-4203-9cfe-6ca2a23ca22e",
-  "rev": 41,
+  "rev": 42,
   "name": "osparc-custom-content-pack-v2",
   "summary": "osparc-custom-content-pack-v2",
   "description": "",
@@ -668,7 +668,7 @@
             "configuration": {
               "grok_pattern": {
                 "@type": "string",
-                "@value": "time=\"%{TIMESTAMP_ISO8601:log_timestamp}\" level=%{WORD:log_level} msg=\"%{GREEDYDATA:log_msg}\""
+                "@value": "level=%{WORD:log_level} msg=\"%{GREEDYDATA:log_msg}\""
               },
               "named_captures_only": {
                 "@type": "boolean",