Closes-Bug : #1394467 - Baremetal : Need to create Subnet and set Virtual Machine Interface reference to it while creating Logical interface of type L3

Change-Id: Iffbf1c7585aa66bd1145871ce825e846dea9ff06
Merge "Closes-Bug : #1394467 - Baremetal : Need to create Subnet and set Virtual Machine Interface reference to it while creating Logical interface of type L3"