QEMU create_tap_device won't reconfigure device if it already exists

[xmkg]

The code skips reconfiguring a tap device if it already exists:

void create_tap_device(const QString& tap_name, const QString& bridge_name)
{
    if (!MP_UTILS.run_cmd_for_status("ip", {"addr", "show", tap_name}))
    {
        MP_UTILS.run_cmd_for_status("ip", {"tuntap", "add", tap_name, "mode", "tap"});
        MP_UTILS.run_cmd_for_status("ip", {"link", "set", tap_name, "master", bridge_name});
        MP_UTILS.run_cmd_for_status("ip", {"link", "set", tap_name, "up"});
    }
}

Meaning, it will skip the necessary configuration if the device exists and is in a broken state (e.g., not linked to the bridge). It would be better to ensure that the device is linked and up regardless of its prior existence.