Try some random workarounds

packer/ubuntuserver20.04.pkr.hcl

@@ -74,7 +74,8 @@ build {
       "ANSIBLE_CONFIG=ansible/ansible.cfg"
     ]
     extra_arguments  = [
-      "-vvv"
+      "-vvv",
+      "--extra-vars", "ansible_python_interpreter=auto_silent"
     ]
   }