(chroot) delta / # addwifi -S wpa -K 'EW8TMG6QNR' gfontaine
Can't open RFKILL control device: No such file or directory
Could not unblock wireless devices with rfkill.

• • (process:27473): WARNING **: Couldn't connect to system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory

• • (process:27473): CRITICAL **: Error: Could not create NMClient object.
    Traceback (most recent call last):
    File "/usr/sbin/addwifi", line 164, in <module>
    main()
    File "/usr/sbin/addwifi", line 161, in main
    block_until_created(args.ssid, args.retries, args.interval)
    File "/usr/sbin/addwifi", line 81, in block_until_created
    nmcli_con_list = check_output(['nmcli', 'con', 'list'], universal_newlines=True)
    File "/usr/lib64/python3.2/subprocess.py", line 522, in check_output
    raise CalledProcessError(retcode, cmd, output=output)
    subprocess.CalledProcessError: Command '['nmcli', 'con', 'list']' returned non-zero exit status 1