bootstrap: only dht bootstrap with live conns

core/bootstrap.go

@@ -96,11 +96,13 @@ func bootstrap(ctx context.Context,
 	}
 
 	// we can try running dht bootstrap even if we're connected to all bootstrap peers.
+	if len(h.Network().Conns()) > 0 {
 		if err := r.Bootstrap(ctx, numDHTBootstrapQueries); err != nil {
 			// log this as Info. later on, discern better between errors.
 			log.Infof("dht bootstrap err: %s", err)
 			return nil
 		}
+	}
 	return nil
 }