installed system: localhost:~ # systemctl status --all dev-hvc0.device ��� dev-hvc0.device - /dev/hvc0 Follow: unit currently follows state of sys-devices-virtual-tty-hvc0.device Loaded: loaded Active: active (plugged) since Mon 2015-10-05 10:40:07 EDT; 38s ago Device: /sys/devices/virtual/tty/hvc0 Oct 05 10:40:07 localhost systemd[1]: Found device /dev/hvc0.