fix interface name eth -> ens

Previos patches erroneously configured eth3
interface instead of ens3, thus not allowing
ntw node to properly setup ens3 interface
through linux.network state.

Co-Authored-By: Jan Cach <jcach@mirantis.com>

PROD-23882

Change-Id: I4373417c94d02334eb56ab048d2e08a6f770a7e6
1 file changed