
It will check if all external network configuration there.
If it's there installation will create external network,
nat-pool, nsp. Otherwise, installation will skip creation of
external network, nat-pool, nsp.
Change-Id: I821aa7e33cd973ef1390212b17000f77cb17943b
Closes-Bug: 1638854
(cherry picked from commit f1448c5b13
)