Public bug reported:
[Impact]
Systems may have NICs attached to the "platform" bus. These are NICs that are
onboard, but not attached to a PCI(-like) bus. Rather, they are described by
firmware directly. None of the naming policies enabled by Ubuntu by default
matches these NICs, so they end up having unpredictable names. In the case
where other NICs are attached (e.g. PCIe cards), the ethN enumeration race
occurs, making it impossible to have an interface name that is persistent
across reboots. That is, if you do a network install over "eth0", on reboot
that NIC now maybe "eth3", which causes it to fail to start the network on boot.
The HiSilicon D05 boards are an example of this. It has 4 onboard NICs
that are described by ACPI directly, and may also have other PCIe NICs
plugged in.
[Test Case]
Boot a system with the characteristics described above, and check to see if any
"ethN" interfaces exist.
[Regression Risk]
TBD - depends on the proposed solution.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Affects: systemd (Ubuntu Xenial)
Importance: Undecided
Status: Confirmed
** Affects: systemd (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Affects: systemd (Ubuntu Zesty)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Zesty)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: systemd (Ubuntu Xenial)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1686784
Title:
no predictable names for platform (non-PCI) NICs
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