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Why after migrating or cloning a Virtual Machine, the network interface was renamed from ethX to ethY on RHEL Server ?

Solution Verified - Updated 2018-03-10T07:00:04+00:00 -

Issue

After migrating or cloning a Virtual Machine, the network was renamed from ethX to ethY
The network does not work even if the ifcfg-eth0 file is set up accordingly.
Also in some cases where image clone was used to create a new Virtual Machine, changing eth0 to eth1
The following resolution is also useful if you are renaming the Network device from eth1 to eth2 for example.

Environment

Guest: Red Hat Enterprise Linux 6
Host/Hypervisor: VMWare vSphere,Microsoft Hyper-V

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