Back-merge from Azure/sonic-buildimage/201709.#4

Merged

nazarii-gnydyn merged 6 commits intonazarii-gnydyn:201709from sonic-net:201709

Nov 24, 2017

+398-47

Commits on Oct 31, 2017

[teamd]: Bring down all member interfaces before starting teamd (#1096 )

Hnydyn Nazar
authored and
Shuotian Cheng
committed

Commits on Nov 1, 2017

[sonic-sairedis]: Update submodule on 201709 branch (#1097 )

wadelnn
authored and
lguohan
committed

Commits on Nov 3, 2017

Update REAME and diag utility for Nephos (#1100 )

kaiyu22
authored and
lguohan
committed
[nephos]: Separate config files from SAI debian package of Nephos (#1110 )

kaiyu22
authored and
lguohan
committed

Commits on Nov 12, 2017

[nephos]: update ixgbe driver download url (#1144 )
lguohan
authored

Commits on Nov 22, 2017

[ingrasys]: Updating index value starts from 0-based in port_config.ini (#1176 )

kaiyu22
authored and
lguohan
committed