I observe the same effect on Asus P10S-M WS motherboard with Ubuntu 18.04, kernel 4.15.0-22-generic
(from lshw :) product: P10S-M WS Series vendor: ASUSTeK COMPUTER INC. version: Rev 1.xx description: BIOS vendor: American Megatrends Inc. version: 4401 date: 03/05/2018 'biosdevname -d' prints both (2) onboard interfaces with BIOS device: em1 BIOS device: em1 Kernel name: eno1 Permanent MAC: 2C:FD:A1:C6:F3:FA Assigned MAC : 2C:FD:A1:C6:F3:FA ifIndex: 2 Driver: igb Driver version: 5.4.0-k Firmware version: 3.16, 0x800004d7 Bus Info: 0000:01:00.0 PCI name : 0000:01:00.0 PCI Slot : embedded SMBIOS Device Type: Ethernet SMBIOS Instance: 1 SMBIOS Label: Onboard LAN sysfs Index: 1 sysfs Label: Onboard LAN Embedded Index: 1 Duplicate: True BIOS device: em1 Kernel name: rename3 Permanent MAC: 2C:FD:A1:C6:F3:FB Assigned MAC : 2C:FD:A1:C6:F3:FB ifIndex: 3 Driver: igb Driver version: 5.4.0-k Firmware version: 3.16, 0x80000513 Bus Info: 0000:02:00.0 PCI name : 0000:02:00.0 PCI Slot : embedded SMBIOS Device Type: Other SMBIOS Instance: 1 SMBIOS Label: Onboard 1394 sysfs Index: 1 sysfs Label: Onboard 1394 Embedded Index: 2 Duplicate: True so, this is not limited to SUpermicro boards only -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1578141 Title: Predictable interface names partially broken with igb driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1578141/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
