Handle errors when getting regions or the default regions
Handle errors when getting regions or the default regions

This protects against volatility in the server and, more commonly, ACLs
returning forbidden responses.

nak3/nomad,nak3/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,hashicorp/nomad,nak3/nomad,burdandrei/nomad,dvusboy/nomad,dvusboy/nomad,nak3/nomad,dvusboy/nomad,burdandrei/nomad,hashicorp/nomad,nak3/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,hashicorp/nomad,nak3/nomad,burdandrei/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,nak3/nomad