Do not show stf(6RD/6to4) interface as parent physical. Issue #10626
(cherry picked from commit d764f8fc68f603eb164b830af9c7c7a4125d21fa)
Do not show stf(6RD/6to4) interface as parent physical. Issue #10626
(cherry picked from commit d764f8fc68f603eb164b830af9c7c7a4125d21fa)