Module works even not activated in fastcgi_pass

[vc43]

We use this module for some upstreams, but it works for fastcgi_pass where thereis no upstream, only direct address to backend. In logs:
2020/11/25 10:29:48 [warn] 19#0: *1339797 upstream server temporarily disabled while reading response header from upstream, client: A.B.C.D , server: , request: "POST /my_url HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "my.host"