diff --git a/ci/kind/validate-metrics-doc.sh b/ci/kind/validate-metrics-doc.sh
index 30f30289134..c37333d25f6 100755
--- a/ci/kind/validate-metrics-doc.sh
+++ b/ci/kind/validate-metrics-doc.sh
@@ -37,7 +37,7 @@ METRICS_DOC="$THIS_DIR/../../docs/prometheus-integration.md"
 cp -v $METRICS_DOC $METRICS_TMP_DOC
 $MAKE_CMD $METRICS_TMP_DOC
 result=0
-cmp -s $METRICS_DOC $METRICS_TMP_DOC || result=$?
+diff $METRICS_DOC $METRICS_TMP_DOC || result=$?
 if [ $result -ne 0 ]; then
     echo "Error: Prometheus metrics document should be updated"
     echo "You can update it by building the Antrea Docker image locally (with 'make'), running ./hack/make-metrics-doc.sh and committing the changes"
diff --git a/docs/prometheus-integration.md b/docs/prometheus-integration.md
index dc9ab9345fa..25a49b9b33c 100644
--- a/docs/prometheus-integration.md
+++ b/docs/prometheus-integration.md
@@ -477,6 +477,9 @@ to a non-default GODEBUG=multipartmaxparts=... setting.
 - **go_godebug_non_default_behavior_multipathtcp_events_total:** The number
 of non-default behaviors executed by the net package due to a non-default
 GODEBUG=multipathtcp=... setting.
+- **go_godebug_non_default_behavior_netedns0_events_total:** The number
+of non-default behaviors executed by the net package due to a non-default
+GODEBUG=netedns0=... setting.
 - **go_godebug_non_default_behavior_panicnil_events_total:** The number of
 non-default behaviors executed by the runtime package due to a non-default
 GODEBUG=panicnil=... setting.