fix kernel-native enhanced mode build failed

Signed-off-by: lec-bit <glfhzmy@126.com>

Author: lec-bit

hack/gen_bpf_specs.go

@@ -167,7 +167,9 @@ func main() {
 				importPath := filepath.ToSlash(filepath.Join(modulePrefix, "bpf", "kmesh", "bpf2go", real))
 				pi := pkgInfo{Alias: alias, ImportPath: importPath, OutputDir: real, Entries: list}
 				pkgsDefault = append(pkgsDefault, pi)
-				pkgsEnhanced = append(pkgsEnhanced, pi)
+				if !strings.HasPrefix(real, "dualengine") {
+					pkgsEnhanced = append(pkgsEnhanced, pi)
+				}
 			}
 		}
 	}

pkg/bpf/restart/new_version_mapspec_loader_enhanced.go

@@ -168,14 +168,13 @@ func (c *Controller) Start(stopCh <-chan struct{}) error {
 		if err := c.client.WorkloadController.Run(ctx, stopCh); err != nil {
 			return fmt.Errorf("failed to start workload controller: %+v", err)
 		}
+		if err := c.setupDNSProxy(); err != nil {
+			return fmt.Errorf("failed to start dns proxy: %+v", err)
+		}
 	} else {
 		c.client.AdsController.StartDnsController(stopCh)
 	}
 
-	if err := c.setupDNSProxy(); err != nil {
-		return fmt.Errorf("failed to start dns proxy: %+v", err)
-	}
-
 	return c.client.Run(stopCh)
 }