Previous behavior worked only when subinterface ID matches with dot1q tag and doesn't work at all in QinQ case. In this patch I'm checking how subinterface is configured. Type: fix Signed-off-by: Stanislav Zaikin <zstaseg@gmail.com> Change-Id: I7a662a0442fdc8e68aba5d6f469f3b1139a4bc2d