Comment 3 for bug 1986551

Cloud-init folks, may I get your opinion on this one?

2022-08-16 10:16:29,345 - util.py[WARNING]: failed stage init-local
failed run of stage init-local
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Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 745, in status_wrapper
    ret = functor(name, args)
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 411, in main_init
    init.apply_network_config(bring_up=bring_up_interfaces)
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 937, in apply_network_config
    return self.distro.apply_network_config(
  File "/usr/lib/python3/dist-packages/cloudinit/distros/__init__.py", line 244, in apply_network_config
    network_state = parse_net_config_data(netconfig)
  File "/usr/lib/python3/dist-packages/cloudinit/net/network_state.py", line 1062, in parse_net_config_data
    nsi.parse_config(skip_broken=skip_broken)
  File "/usr/lib/python3/dist-packages/cloudinit/net/network_state.py", line 280, in parse_config
    self.parse_config_v2(skip_broken=skip_broken)
  File "/usr/lib/python3/dist-packages/cloudinit/net/network_state.py", line 330, in parse_config_v2
    self._v2_common(command)
  File "/usr/lib/python3/dist-packages/cloudinit/net/network_state.py", line 785, in _v2_common
    real_if_name = find_interface_name_from_mac(mac_address)
  File "/usr/lib/python3/dist-packages/cloudinit/net/__init__.py", line 933, in find_interface_name_from_mac
    if mac.lower() == interface_mac.lower():
AttributeError: 'NoneType' object has no attribute 'lower'
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Cloud-init v. 22.2-115-g6e498773-0ubuntu1~22.10.1 running 'init' at Tue, 16 Aug 2022 10:16:29 +0000. Up 226.22 seconds.
ci-info: ++++++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++++++
ci-info: +--------------+-------+------------------------------+---------------+--------+-------------------+
ci-info: | Device | Up | Address | Mask | Scope | Hw-Address |
ci-info: +--------------+-------+------------------------------+---------------+--------+-------------------+
ci-info: | encc000 | True | fe80::4433:4bff:fea2:146b/64 | . | link | f6:4c:f0:f1:ea:27 |
ci-info: | encc000.2653 | True | 10.245.236.14 | 255.255.255.0 | global | f6:4c:f0:f1:ea:27 |
ci-info: | encc000.2653 | True | fe80::4433:4bff:fea2:146b/64 | . | link | f6:4c:f0:f1:ea:27 |
ci-info: | ens298 | False | . | . | . | 82:0d:2d:0c:b8:70 |
ci-info: | ens298d1 | False | . | . | . | 82:0d:2d:0c:b8:71 |
ci-info: | ens314 | False | . | . | . | 82:0d:2d:0c:b7:00 |
ci-info: | ens314d1 | False | . | . | . | 82:0d:2d:0c:b7:01 |
ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . |
ci-info: | lo | True | ::1/128 | . | host | . |