kayobe/releasenotes/notes/dib-consistent-network-devi...

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YAML

---
upgrade:
- |
Consistent network device naming is now enabled by default in overcloud
root disk images, by setting ``net.ifnames=1`` on the kernel command line.
This is performed using the ``DIB_BOOTLOADER_DEFAULT_CMDLINE``
diskimage-builder environment variable, which is set to ``nofb nomodeset
gfxpayload=text net.ifnames=1`` to preserve diskimage-builder defaults. To
restore existing behaviour, set ``DIB_BOOTLOADER_DEFAULT_CMDLINE`` to
``nofb nomodeset gfxpayload=text net.ifnames=0`` in the
``kolla_bifrost_dib_env_vars_extra`` dictionary.