diff --git a/packages/syslog_router/changelog.yml b/packages/syslog_router/changelog.yml
index 761a2f6ca4a..6eae19f2fab 100644
--- a/packages/syslog_router/changelog.yml
+++ b/packages/syslog_router/changelog.yml
@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "0.3.1"
+  changes:
+    - description: Generate processor tags and normalize error handler.
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/15718
 - version: "0.3.0"
   changes:
     - description: Add support for Cisco IOS. Matches on the Cisco emblem header.
diff --git a/packages/syslog_router/data_stream/log/_dev/test/pipeline/test-syslog-events.json b/packages/syslog_router/data_stream/log/_dev/test/pipeline/test-syslog-events.json
index 698048ae6e3..c3799988a84 100644
--- a/packages/syslog_router/data_stream/log/_dev/test/pipeline/test-syslog-events.json
+++ b/packages/syslog_router/data_stream/log/_dev/test/pipeline/test-syslog-events.json
@@ -1,15 +1,15 @@
 {
-  "events": [
-    {
-      "@timestamp": "2024-04-23T09:16:40.645Z",
-      "message": "Oct 10 2018 12:34:56 localhost CiscoASA[999]: %ASA-4-106023: Deny tcp src outside:192.168.19.254/80 dst inside:172.31.98.44/8277 by access-group \"inbound\" [0x0, 0x0]",
-      "_conf": {
-        "dataset": "cisco_asa.log"
-      }
-    },
-    {
-      "@timestamp": "2024-04-23T09:16:40.645Z",
-      "message": "Custom log"
-    }
-  ]
+    "events": [
+        {
+            "@timestamp": "2024-04-23T09:16:40.645Z",
+            "message": "Oct 10 2018 12:34:56 localhost CiscoASA[999]: %ASA-4-106023: Deny tcp src outside:192.168.19.254/80 dst inside:172.31.98.44/8277 by access-group \"inbound\" [0x0, 0x0]",
+            "_conf": {
+                "dataset": "cisco_asa.log"
+            }
+        },
+        {
+            "@timestamp": "2024-04-23T09:16:40.645Z",
+            "message": "Custom log"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/packages/syslog_router/data_stream/log/elasticsearch/ingest_pipeline/default.yml b/packages/syslog_router/data_stream/log/elasticsearch/ingest_pipeline/default.yml
index 45aae79f51a..843f15f7d29 100644
--- a/packages/syslog_router/data_stream/log/elasticsearch/ingest_pipeline/default.yml
+++ b/packages/syslog_router/data_stream/log/elasticsearch/ingest_pipeline/default.yml
@@ -2,13 +2,18 @@
 description: Pipeline for unmatched syslog events.
 processors:
   - set:
+      tag: set_ecs_version_135371bc
       field: ecs.version
       value: 8.16.0
 
 on_failure:
   - append:
       field: error.message
-      value: 'Processor {{{_ingest.on_failure_processor_type}}} with tag {{{_ingest.on_failure_processor_tag}}} in pipeline {{{_ingest.pipeline}}} failed with message: {{{_ingest.on_failure_message}}}'
+      value: >-
+        Processor '{{{ _ingest.on_failure_processor_type }}}'
+        {{#_ingest.on_failure_processor_tag}}with tag '{{{ _ingest.on_failure_processor_tag }}}'
+        {{/_ingest.on_failure_processor_tag}}in pipeline '{{{ _ingest.pipeline }}}'
+        failed with message '{{{ _ingest.on_failure_message }}}'
   - set:
       field: event.kind
       value: pipeline_error
diff --git a/packages/syslog_router/manifest.yml b/packages/syslog_router/manifest.yml
index 3c96bbd239f..d0431707180 100644
--- a/packages/syslog_router/manifest.yml
+++ b/packages/syslog_router/manifest.yml
@@ -1,7 +1,7 @@
 format_version: 3.2.1
 name: syslog_router
 title: "Syslog Router"
-version: 0.3.0
+version: 0.3.1
 description: "Route syslog events to integrations with Elastic Agent."
 type: integration
 categories: