"drive":"-drive media=disk,index=0,if={interface},file={image}",
               "cdrom":"-drive media=cdrom,index=2,if=ide",
               "sound":"-soundhw hda",
               "group":config.get("permissions", "vm_group"),
               "usb":"-usb",
               "rtc":"",
               "extraargs":"${1:+\"$@\"}"}
    macaddr = ":".join(["%02x" % ord(x) for x in  chr(0x52) + os.urandom(5)])
    macaddr = ":".join(['52'] + ["%02x" % x for x in  os.urandom(5)])
    if parsed_args.shared:
        machinedir = os.path.join(config.get("directories", "SharedVMs"),
                                  parsed_args.machine)
        dirmode = 0o775
    else:
        machinedir = os.path.join(pwd.getpwuid(os.getuid()).pw_dir, "VWs",
                                  parsed_args.machine)