Description

When Fano Framework web application run as daemon server on OpenBSD, it fails to bind to network address.
Message: Bind failed on 127.0.0.1:20477, error: Address family not supported by protocol family (47)

Step to reproduce

Generate Fano web application project on OpenBSD. Compile and run

$ ./bin/app.cgi
Starting application at 127.0.0.1:20477
Fail to bind socket.
Exception: ESockBind
Message: Bind failed on 127.0.0.1:20477, error: Address family not supported by protocol family (47)