NMSettingPPP @NM_SETTING_PPP_ERROR_UNKNOWN: @NM_SETTING_PPP_ERROR_INVALID_PROPERTY: @NM_SETTING_PPP_ERROR_MISSING_PROPERTY: @NM_SETTING_PPP_ERROR_REQUIRE_MPPE_NOT_ALLOWED: @void: @Returns: @void: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: @setting: @Returns: