Fixes #13984 - inherit subnet from hostgroup even for image-based provisioning
(cherry picked from commit 17f4ee612bf1308cb51d4644bdd76ba7dc73eea7)
Fixes #13984 - inherit subnet from hostgroup even for image-based provisioning
(cherry picked from commit 17f4ee612bf1308cb51d4644bdd76ba7dc73eea7)