I think this has something to do with the HP SMBIOS entries. Incidentally it looks like there is a BIOS bug as Type 9 Slot structures all point to 0000:00:00.0 (an actual device) not ffff:ff:1f.7 for an inactive device.
Type 209 lists: NIC 1: PCI device 04:00.0, MAC address 00:17:A4:77:3C:00 NIC 2: PCI device 04:00.1, MAC address 00:17:A4:77:3C:02 NIC 3: PCI device 04:00.2, MAC address 00:17:A4:77:3C:08 NIC 4: PCI device 04:00.3, MAC address 00:17:A4:77:3C:0A NIC 5: PCI device 04:00.4, MAC address B4:99:BA:A6:B9:18 NIC 6: PCI device 04:00.5, MAC address B4:99:BA:A6:B9:1C NIC 7: PCI device 04:00.6, MAC address B4:99:BA:A6:B9:19 NIC 8: PCI device 04:00.7, MAC address B4:99:BA:A6:B9:1D NIC 9: PCI device 05:00.0, MAC address 00:17:A4:77:3C:04 NIC 10: PCI device 05:00.1, MAC address 00:17:A4:77:3C:06 NIC 11: PCI device 05:00.2, MAC address 00:17:A4:77:3C:0C NIC 12: PCI device 05:00.3, MAC address 00:17:A4:77:3C:0E NIC 13: PCI device 05:00.4, MAC address B4:99:BA:A6:B9:20 NIC 14: PCI device 05:00.5, MAC address B4:99:BA:A6:B9:24 NIC 15: PCI device 05:00.6, MAC address B4:99:BA:A6:B9:21 NIC 16: PCI device 05:00.7, MAC address B4:99:BA:A6:B9:25 type 221 lists: NIC 1: PCI device 04:00.2, MAC address 00:17:A4:77:3C:08 NIC 2: PCI device 04:00.3, MAC address 00:17:A4:77:3C:0A NIC 3: PCI device 05:00.2, MAC address 00:17:A4:77:3C:0C NIC 4: PCI device 05:00.3, MAC address 00:17:A4:77:3C:0E smbios is using both 209/221 so it is assigning index 3/1 to 00:17:a4:77:3c:08 4/2 to 00:17:a4:77:3c:0a 11/3 to 00:17:a4:77:3c:0c 12/4 to 00:17:a4:77:3c:0e Not sure why the others are getting renumbered in the process though -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1090002 Title: biosdevname gives name of device as rename7 in Quantal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1090002/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs