If you have ScreenTime turned on. Port :8080 is occupied and your ubuntu apt-get in a docker build gets hash mismatch because they obviously modified packets. Let alone I am having another issue of unable to delete a private key in Keychain Access.
The whole macOS thing is amateur
Why does macOS use ports above 1024 by default? There is a reason it is reserved to be used by OS services.
Port 5000 is also ocupied on macOS.