我的两个harbor节点单独部署在两台机器上，没有部署在k8s节点的机器上，配置复制任务后，日志显示如下：
2020-01-06T09:51:20Z [INFO] initialization completed: repository: kubernetes/nginx, tags: [1.13.12], source registry: URL-http://192.168.23.121 insecure-true, destination registry: URL-http://192.168.23.122 insecure-true
2020-01-06T09:51:21Z [ERROR] [job_logger.go:81]: failed to get project kubernetes from source registry: Get http://192.168.23.121/api/projects?name=kubernetes: dial tcp 192.168.23.121:80: getsockopt: no route to host

在121节点上http://192.168.23.121/api/projects?name=kubernetes是可以访问到信息的。请问任务失败一般是什么原因导致的？
[root@localhost harbor]# curl http://192.168.23.121/api/projects?name=kubernetes
[
{
“project_id”: 2,
“owner_id”: 1,
“name”: “kubernetes”,
“creation_time”: “2020-01-06T08:41:52Z”,
“update_time”: “2020-01-06T08:41:52Z”,
“deleted”: false,
“owner_name”: “”,
“togglable”: false,
“current_user_role_id”: 0,
“repo_count”: 1,
“metadata”: {
“public”: “true”
}
}