redirect but server is not leader？

use ```tiup``` upgrade tidb cluster ```v4.0.1``` to ```v5.3.0``` failed， pd server throw errors，like follow：
```
[2022/01/12 16:16:30.727 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.226-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:16:30.732 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.227-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:16:35.714 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.226-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:16:35.720 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.227-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.361 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.226-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.364 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.226-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.368 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.227-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.371 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.227-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.394 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.226-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:00.397 +08:00] [ERROR] [middleware.go:104] ["redirect but server is not leader"] [from=pd-10.59.111.227-2379] [server=pd-10.59.111.225-2379] [error="[PD:apiutil:ErrRedirect]redirect failed"]
[2022/01/12 16:19:15.850 +08:00] [ERROR] [server.go:1275] ["failed to create raft cluster"] [error="context canceled"]
```
then i use tiup restart pd servers，but pd server Status was always ```Down```

what went wrong？