Harmonise log statements between applications

The refactoring of the transport initialization removed the log statement
for the asb. We re-introduce this log statement in main for consistency.

swap/src/bin/asb.rs

@@ -163,6 +163,8 @@ async fn main() -> Result<()> {
                     .with_context(|| format!("Failed to listen on network interface {}", listen))?;
             }
 
+            tracing::info!(peer_id = %swarm.local_peer_id(), "Network layer initialized");
+
             let (event_loop, mut swap_receiver) = EventLoop::new(
                 swarm,
                 env_config,
@@ -192,8 +194,6 @@ async fn main() -> Result<()> {
                 }
             });
 
-            info!(peer_id = %event_loop.peer_id(), "Our peer-id");
-
             event_loop.run().await;
         }
         Command::History => {

swap/src/bin/swap.rs

@@ -90,8 +90,8 @@ async fn main() -> Result<()> {
                 .behaviour_mut()
                 .add_address(seller_peer_id, seller_addr);
 
-            let our_peer_id = swarm.local_peer_id();
-            tracing::debug!(peer_id = %our_peer_id, "Initializing network module");
+            tracing::debug!(peer_id = %swarm.local_peer_id(), "Network layer initialized");
+
             let (event_loop, mut event_loop_handle) = EventLoop::new(
                 swap_id,
                 swarm,