Upgrading Xpe Image v1.4

Hi, i upgrade a rhfb to the last version of xpe image (v1.4.0) and when i reload the show, the manual configuration of the network card as disappeared and as been reset to the dhcp one.
The manual config was 2.0.0.120 and after the upgrade was 169.xxx.xxx.xxx
I had another desk to upgrade and same pb ! So no big deal when you are aware but the first time it took me some time to find it.
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