network_ipv6_enable Default: false Description: true if IPv6 is needed. ssh_listen_to must also be set to listen to IPv6 addresses (for example [::]). ssh_server_ports Default: ['22'] Description: ports on which ssh-server should listen ssh_client_port Default: '22' Description: port to which ssh-client should connect ssh_listen_to Default: ['0.0.0.0'] Description: one or more ip addresses, to whi