Use dev_port for the ID of a network device.

For network devices on the same PCI function, dev_id should not be used,
since its purpose is for IPv6 support on interfaces with the same MAC
address.

The new dev_port sysfs attribute should be used instead of dev_id.

1 files changed, 6 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 40e4e5db13..f87234b806 100644
--- a/NEWS
+++ b/NEWS
@@ -189,6 +189,12 @@ CHANGES WITH 215:
           path for the primary architecture of the system), and a
           couple of drop-in directories.
 
+        * udev's predictable network interface names now use the dev_port
+          sysfs attribute, introduced in linux 3.15 instead of dev_id to
+          distinguish between ports of the same PCI function. dev_id should
+          only be used for ports using the same HW address, hence the need
+          for dev_port.
+
 CHANGES WITH 214:
 
         * As an experimental feature, udev now tries to lock the