update comments

statsd/options.go

@@ -373,9 +373,10 @@ func WithTelemetryAddr(addr string) Option {
 // WithoutOriginDetection disables the client origin detection.
 // When enabled, the client tries to discover its container ID and sends it to the Agent
 // to enrich the metrics with container tags.
+// If the container id is not found and the client is running in a private cgroup namespace, the client
+// sends the base cgroup controller inode.
 // Origin detection can also be disabled by configuring the environment variabe DD_ORIGIN_DETECTION_ENABLED=false
 // The client tries to read the container ID by parsing the file /proc/self/cgroup, this is not supported on Windows.
-// The client prioritizes the value passed via DD_ENTITY_ID (if set) over the container ID.
 //
 // More on this here: https://docs.datadoghq.com/developers/dogstatsd/?tab=kubernetes#origin-detection-over-udp
 func WithoutOriginDetection() Option {
@@ -389,9 +390,9 @@ func WithoutOriginDetection() Option {
 // This feature requires Datadog Agent version >=6.35.0 && <7.0.0 or Agent versions >=7.35.0.
 // When enabled, the client tries to discover its container ID and sends it to the Agent
 // to enrich the metrics with container tags.
-// Origin detection can be disabled by configuring the environment variabe DD_ORIGIN_DETECTION_ENABLED=false
-// The client tries to read the container ID by parsing the file /proc/self/cgroup, this is not supported on Windows.
-// The client prioritizes the value passed via DD_ENTITY_ID (if set) over the container ID.
+// If the container id is not found and the client is running in a private cgroup namespace, the client
+// sends the base cgroup controller inode.
+// Origin detection can be disabled by configuring the environment variable DD_ORIGIN_DETECTION_ENABLED=false
 //
 // More on this here: https://docs.datadoghq.com/developers/dogstatsd/?tab=kubernetes#origin-detection-over-udp
 func WithOriginDetection() Option {

statsd/statsd.go

@@ -886,9 +886,6 @@ func (c *Client) Close() error {
 // - o.originDetection is explicitly set to false, which is true by default
 func isOriginDetectionEnabled(o *Options) bool {
 	if !o.originDetection || o.containerID != "" {
-		// originDetection is explicitly disabled
-		// or DD_ENTITY_ID was found
-		// or a user-defined container ID was provided
 		return false
 	}