NMSettingSerial
@NM_SETTING_SERIAL_ERROR_UNKNOWN:
@NM_SETTING_SERIAL_ERROR_INVALID_PROPERTY:
@NM_SETTING_SERIAL_ERROR_MISSING_PROPERTY:
@NM_SETTING_SERIAL_ERROR_MISSING_PPP_SETTING:
@void:
@Returns:
@parent:
@_reserved1:
@_reserved2:
@_reserved3:
@_reserved4:
@void:
@Returns:
@setting:
@Returns:
@setting:
@Returns:
@setting:
@Returns:
@setting:
@Returns:
@setting:
@Returns: