Remove opaque pointers in pkts

src/ingress/tcp.rs

@@ -26,7 +26,7 @@ pub async fn listen(addr: String, builder: PipelineBuilder) -> Result<(), anyhow
             if let Ok(mut pl) = builder.build_for(info, recv).await {
                 std::thread::spawn(move || loop {
                     if let Err(e) = pl.run() {
-                        warn!("Pipeline error: {}", e.backtrace());
+                        error!("Pipeline error: {}\n{}", e, e.backtrace());
                         break;
                     }
                 });