I checked this bug in 4.5.0-0.nightly-2020-06-04-025914 version,ifcfg-<ifname> files are present on the RHCOS filesystem and so the interfaces disabled, problem fixed.
(I added attachment that prove it)
Created attachment 1695021 [details]
ifcfg-<ifname> files are present
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.