IMac 15,1 not detecting network hardware (ethernet, wifi) after update to Sonoma 14.4.1

Hi, I updated a late 2014 iMac (iMac 15,1) to the latest Sonoma and the network cards (both Wifi and Ethernet) are not being detected.

Everything else works post root patches. Initially I had a keyboard/mouse problem as well, but root patches fixed that.

Can anyone suggest how to re-enable network after the install ? If I had to go backwards and installer an older version, how far back do I have to go to get a supported version that will support this Mac ?

submitted by /u/shivio
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