Public bug reported:
On Azure instances running Xenial Pro FIPS images with accelerated
networking enabled, cloud-init fails to setup the user's ssh key and I
can see the following stack trace in the logs:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 652, in
status_wrapper
ret = functor(name, args)
File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 361, in
main_init
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 735, in
apply_network_config
self.distro.networking.wait_for_physdevs(netcfg)
File "/usr/lib/python3/dist-packages/cloudinit/distros/networking.py", line
147, in wait_for_physdevs
present_macs = self.get_interfaces_by_mac().keys()
File "/usr/lib/python3/dist-packages/cloudinit/distros/networking.py", line
76, in get_interfaces_by_mac
blacklist_drivers=self.blacklist_drivers)
File "/usr/lib/python3/dist-packages/cloudinit/net/__init__.py", line 830, in
get_interfaces_by_mac
blacklist_drivers=blacklist_drivers)
File "/usr/lib/python3/dist-packages/cloudinit/net/__init__.py", line 901, in
get_interfaces_by_mac_on_linux
(name, ret[mac], mac))
RuntimeError: duplicate mac found! both 'eth0' and 'enP1p0s2' have mac
'00:0d:3a:7f:a8:e5'
The following SAS URL can be used to start a VM with this image in order to
reproduce the problem:
https://gjolly.blob.core.windows.net/daily-vhd/xenial/20210430/Ubuntu_DAILY_BUILD-xenial-16_04-LTS-amd64-server-20210430-en-us-30GB.vhd?sp=r&st=2021-05-04T14:27:27Z&se=2022-05-04T22:27:27Z&spr=https&sv=2020-02-10&sr=b&sig=UYNr7aoThE28sZqkgAWCRSHuaBRqz4rAfJHWzbUqXKw%3D
** Affects: cloud-init (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "cloud-init.tar.gz"
https://bugs.launchpad.net/bugs/1927124/+attachment/5494733/+files/cloud-init.tar.gz
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https://bugs.launchpad.net/bugs/1927124
Title:
Azure/Xenial Pro FIPS: RuntimeError: duplicate mac found!
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