Verified this bug on 4.6.0-202101020026.p0 sudo cat /etc/udev/rules.d/10-nm-unmanaged.rules ACTION=="add|change|move", ATTRS{device}=="0x154c|0x1016|0x1018|0x101c|0x1014", ENV{NM_UNMANAGED}="1"
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 (Moderate: OpenShift Container Platform 4.6.12 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2021:0037