CURLOPT_FTP_SKIP_PASV_IP(3) on macOS
The text c6d3d1cefffb, as macOS 11.2, macOS 11.1, macOS 11.0.1, macOS 10.15.6, macOS 10.15.5, macOS 10.15.4, macOS 10.15.3, macOS 10.15.2, macOS 10.15.1, macOS 10.15 shipped it.
ignore the IP address in the PASV response