RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Some buggy drivers either
 - signal success on the netlink message to change the MAC address, but the
   address only actually change the address a moment later.
 - fail the netlink command with ENFILE but the address actually changes.

See for example upstream https://bugzilla.gnome.org/show_bug.cgi?id=770456 or bug 1371478.

this is fixed upstream with
  https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=e109f870670e7503047309358cf97287ebd18d56
  https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=091620e76592349ae3efee08faed881ce1a2495b 


These workaround should be backported to rhel-7.3

The fix so far is not sufficient.

Needs another patch from upstream.

Back to assigned

See https://bugzilla.redhat.com/show_bug.cgi?id=1374023#c19

*** Bug 1374023 has been marked as a duplicate of this bug. ***

Needs another fix.

See https://bugzilla.redhat.com/show_bug.cgi?id=1374023#c30

Reporter verified this workaround works as expected ( https://bugzilla.redhat.com/show_bug.cgi?id=1374023#c30 )

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.

https://rhn.redhat.com/errata/RHSA-2016-2581.html