Unbearably slow when connected to a network & Unable to mount NFS

Like I have stated, regardless of IPv6 Loopback and Dev Mode is enabled/disabled, it’s only fast if there’s no internet connection.

There’s WP HTTP Error: cURL error 28 too.

I followed this:

Speed is faster now but it’s still noticeably slow than no internet connection.

Is there anyway to diagnose why can’t start NFS for Faster Docker Volumes?