diff --git a/common/src/tfe_packet_io.cpp b/common/src/tfe_packet_io.cpp
index 1b9e848..af26237 100644
--- a/common/src/tfe_packet_io.cpp
+++ b/common/src/tfe_packet_io.cpp
@@ -1195,6 +1195,7 @@ static int handle_session_opening(struct metadata *meta, struct ctrl_pkt_parser
     uint8_t is_passthrough = 0;
     uint8_t hit_no_intercept = 0;
     uint16_t out_size = 0;
+    char stream_traceid[24] = {0};
     char reason_hit_no_intercept[] = "Hit No Intercept";
     char reason_invalid_intercept_param[] = "Invalid Intercept Param";
     char reason_invalid_tcp_policy_param[] = "Invalid tcp policy Param";
@@ -1381,6 +1382,8 @@ passthrough:
         route_ctx_copy(&s_ctx->raw_meta_e2i->route_ctx, &parser->ack_route_ctx);
     }
 
+    snprintf(stream_traceid, 24, "%" PRIu64 , s_ctx->session_id);
+    tfe_cmsg_set(parser->cmsg, TFE_CMSG_STREAM_TRACE_ID, (const unsigned char *)stream_traceid, strlen(stream_traceid));
     TFE_LOG_INFO(logger, "%s: session %lu %s active first", LOG_TAG_PKTIO, s_ctx->session_id, s_ctx->session_addr);
 
     session_table_insert(thread->session_table, s_ctx->session_id, &(s_ctx->c2s_info.tuple4), s_ctx, session_value_free_cb);