Juju machine in State Down

Unit is displaying Agent: lost while the machine is displaying Status: down and juju show-machine <id> returns

      current: down
      message: agent is not communicating with the server
      since: 25 Jan 2024 14:35:03+01:00
      version: 2.9.46
    hostname: <hostname>
    dns-name: <value>

juju ssh <machine-id> and juju ssh <unit-name> return Cannot connect to any address <ip-address>. Any suggestions on how to restart/recover this machine?