Nicolas Belouin 797c3f3e24 netutils: Use ethtool ioctl to get permanent mac address ...

Fetching the permanent MAC address of the interface instead of the
default one allows to get the right one in case it got changed during
setup (likely with a bonding setup).

In order to fetch the permanent MAC address of a given interface, one
can either use Netlink (either rtnetlink or ethtool), or use ethtool
ioctl.

The use of ioctl feels simpler and requires no additional dependency.
The implementation falls back to older behavior should an error occur.

Closes-Bug: #2103450
Change-Id: I54151990e396ddcf775128ca24d3db08e45c256d
Signed-off-by: Nicolas Belouin <nicolas.belouin@suse.com>
(cherry picked from commit 48422a532f)

2025-05-21 07:41:38 +00:00

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