tcp_proxy_server: move per-packet SOCK:RECV log from INFO to TRACE

src/proxy/tcp_proxy_server.c

@@ -162,7 +162,7 @@ static void read_queue_drain_cb(struct ll_queue* q, void* arg) {
     struct ll_entry* e = queue_data_get(q);
     if (!e) { queue_resume_callback(q); return; }
     int ret = send_msg(inst, rc->peer_node_id, TCP_PROXY_SUBCMD_DATA, rc->stream_id, e->dgram, e->len, 0);
-    DEBUG_INFO(DEBUG_CATEGORY_SOCKET, "SOCK:RECV fd=%d sid=%08x len=%u total=%d",
+    DEBUG_TRACE(DEBUG_CATEGORY_SOCKET, "SOCK:RECV fd=%d sid=%08x len=%u total=%d",
                (int)rc->tc->sock, rc->stream_id, e->len, rc->ctx ? rc->ctx->conn_count : 0);
     memory_pool_free(rc->tc->data_pool, e->dgram);
     queue_entry_free(e);