keep retrying to start veilid-server

veilid-core/src/attachment_manager.rs

@@ -224,9 +224,8 @@ impl AttachmentManager {
             if let Err(err) = netman.startup().await {
                 error!("network startup failed: {}", err);
                 netman.shutdown().await;
-                break;
-            }
-
+                restart = true;
+            } else {
                 log_net!(debug "started maintaining peers");
                 while self.inner.lock().maintain_peers {
                     // tick network manager
@@ -260,6 +259,7 @@ impl AttachmentManager {
 
                 log_net!(debug "stopping network");
                 netman.shutdown().await;
+            }
 
             if !restart {
                 break;