Sep 28 13:52:42 milan-VirtualBox nm-dispatcher: req:1 'up' [tun0]: new request (1 scripts)
Sep 28 13:52:42 milan-VirtualBox nm-dispatcher: req:1 'up' [tun0]: start running ordered scripts...
Sep 28 13:55:52 milan-VirtualBox NetworkManager[1476]: <info>  [1475063752.1033] device (tun0): state change: activated -> unmanaged (reason 'unmanaged') [100 10 3]
Sep 28 13:55:52 milan-VirtualBox dbus[1438]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
Sep 28 13:55:52 milan-VirtualBox NetworkManager[1476]: <info>  [1475063752.1784] devices removed (path: /sys/devices/virtual/net/tun0, iface: tun0)
Sep 28 13:55:52 milan-VirtualBox systemd[1]: Starting Network Manager Script Dispatcher Service...
Sep 28 13:55:52 milan-VirtualBox dbus[1438]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Sep 28 13:55:52 milan-VirtualBox systemd[1]: Started Network Manager Script Dispatcher Service.
Sep 28 13:55:52 milan-VirtualBox nm-dispatcher: req:1 'down' [tun0]: new request (1 scripts)
Sep 28 13:55:52 milan-VirtualBox nm-dispatcher: req:1 'down' [tun0]: start running ordered scripts...
Sep 28 13:56:46 milan-VirtualBox systemd[1]: Starting OpenVPN service...
Sep 28 13:56:46 milan-VirtualBox systemd[1]: Starting OpenVPN connection to HMA...
Sep 28 13:56:46 milan-VirtualBox systemd[1]: Started OpenVPN service.
Sep 28 13:56:46 milan-VirtualBox systemd[1]: openvpn@HMA.service: Control process exited, code=exited status=1
Sep 28 13:56:46 milan-VirtualBox systemd[1]: Failed to start OpenVPN connection to HMA.
Sep 28 13:56:46 milan-VirtualBox systemd[1]: openvpn@HMA.service: Unit entered failed state.
Sep 28 13:56:46 milan-VirtualBox systemd[1]: openvpn@HMA.service: Failed with result 'exit-code'.