diff --git a/server/pkg/api/server_add_instance.go b/server/pkg/api/server_add_instance.go
index 1d480c2..c3ffddc 100644
--- a/server/pkg/api/server_add_instance.go
+++ b/server/pkg/api/server_add_instance.go
@@ -80,6 +80,7 @@ func (s *ShoesLXDMultiServer) AddInstance(ctx context.Context, req *pb.AddInstan
 	op, err := client.UpdateInstanceState(instanceName, reqState, "")
 	if err != nil {
 		// Do rollback
+		l.Info("failed to start instance, will delete", "err", err.Error(), "failed_method", "client.UpdateInstanceState()")
 		if _, err := client.DeleteInstance(instanceName); err != nil {
 			l.Warn("failed to delete instance", "err", err.Error())
 		}
@@ -88,6 +89,7 @@ func (s *ShoesLXDMultiServer) AddInstance(ctx context.Context, req *pb.AddInstan
 	}
 	if err := op.Wait(); err != nil && !strings.EqualFold(err.Error(), "The instance is already running") {
 		// Do rollback
+		l.Info("failed to start instance, will delete", "err", err.Error(), "failed_method", "op.Wait()")
 		if _, err := client.DeleteInstance(instanceName); err != nil {
 			l.Warn("failed to delete instance", "err", err.Error())
 		}