[07:29] <juju-maniac> juju debug-log shows ```controller-2: 07:22:50 WARNING juju.worker.provisioner machine 62 failed to start in availability zone default: failed to acquire node: unexpected: ServerError: 400 Bad Request ({"interfaces": ["Invalid label name: '-1' (Must begin with an alphanumeric character, and include only alphanumeric characters, dashes, and
[07:29] <juju-maniac> underscores.)"]})```
[07:29] <juju-maniac> is there any change i can further debug why is this happening as the names are good. I am selecting the machines with tags and all look good