For SLES system, to keep the NIC setting persistent
For SLES system, to keep the NIC setting persistent

When boot a system with a NIC which is different from the master
system, NIC qeth device will not be initialized when system re-ipl.

Change-Id: Ifa5f83ed71594abefae977fdef1c15e0bb9f1246

mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk