Failure to Build Blobber

I am struggling to make it past this step in spinning up a blobber:

Setup, Config testnet0 and build blobber(s)


docker network create --driver=bridge --subnet= --gateway= testnet0


I’m running a rig at Teraswitch with all recommended specs including Ubuntu 20.04 LTS.
It appears to fail at trying to connect to

Here is the error message:

root files:

Any help would be appreciated. Thanks


Removed: git checkout