Public bug reported: Whilst testing the changes for nova-lxd to resolve issues with use of config-drive, I tripped over this issue; specifically the networking on a config-drive configured LXD instance never starts due to a duplicate MAC address on the lo and greptap0 devices.
Cloud-init v. 0.7.9 running 'init' at Fri, 19 May 2017 13:41:00 +0000. Up 2.0 seconds. ci-info: ++++++++++++++++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++++++++++++++++ ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ ci-info: | gretap0 | False | . | . | . | 00:00:00:00:00:00 | ci-info: | eth0 | True | . | . | . | fa:16:3e:1d:aa:ac | ci-info: | eth0 | True | fe80::f816:3eff:fe1d:aaac/64 | . | link | fa:16:3e:1d:aa:ac | ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | . | . | ci-info: | lo | True | ::1/128 | . | host | . | ci-info: | gre0 | False | . | . | . | 00-00-00-00-31-36-3a-33-00-00-00-00-00-00-00-00 | ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ 2017-05-19 13:41:01,017 - util.py[WARNING]: failed stage init failed run of stage init ------------------------------------------------------------ Traceback (most recent call last): File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 647, in status_wrapper ret = functor(name, args) File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 365, in main_init init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL)) File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 629, in apply_network_config netcfg, src = self._find_networking_config() File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 616, in _find_networking_config if self.datasource and hasattr(self.datasource, 'network_config'): File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceConfigDrive.py", line 150, in network_config self.network_json, known_macs=self.known_macs) File "/usr/lib/python3/dist-packages/cloudinit/sources/helpers/openstack.py", line 638, in convert_net_json known_macs = net.get_interfaces_by_mac() File "/usr/lib/python3/dist-packages/cloudinit/net/__init__.py", line 403, in get_interfaces_by_mac (name, ret[mac], mac)) RuntimeError: duplicate mac found! both 'gretap0' and 'lo' have mac '00:00:00:00:00:00' ------------------------------------------------------------ Cloud-init v. 0.7.9 running 'modules:config' at Fri, 19 May 2017 13:41:02 +0000. Up 4.0 seconds. Cloud-init v. 0.7.9 running 'modules:final' at Fri, 19 May 2017 13:41:04 +0000. Up 6.0 seconds. Cloud-init v. 0.7.9 finished at Fri, 19 May 2017 13:41:04 +0000. Datasource DataSourceConfigDrive [net,ver=2][source=/config-drive]. Up 6.0 seconds ** Affects: cloud-init Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1692028 Title: duplicate mac address during config-drive configuration with LXD container on openstack Status in cloud-init: New Bug description: Whilst testing the changes for nova-lxd to resolve issues with use of config-drive, I tripped over this issue; specifically the networking on a config-drive configured LXD instance never starts due to a duplicate MAC address on the lo and greptap0 devices. Cloud-init v. 0.7.9 running 'init' at Fri, 19 May 2017 13:41:00 +0000. Up 2.0 seconds. ci-info: ++++++++++++++++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++++++++++++++++ ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ ci-info: | gretap0 | False | . | . | . | 00:00:00:00:00:00 | ci-info: | eth0 | True | . | . | . | fa:16:3e:1d:aa:ac | ci-info: | eth0 | True | fe80::f816:3eff:fe1d:aaac/64 | . | link | fa:16:3e:1d:aa:ac | ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | . | . | ci-info: | lo | True | ::1/128 | . | host | . | ci-info: | gre0 | False | . | . | . | 00-00-00-00-31-36-3a-33-00-00-00-00-00-00-00-00 | ci-info: +---------+-------+------------------------------+-----------+-------+-------------------------------------------------+ 2017-05-19 13:41:01,017 - util.py[WARNING]: failed stage init failed run of stage init ------------------------------------------------------------ Traceback (most recent call last): File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 647, in status_wrapper ret = functor(name, args) File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 365, in main_init init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL)) File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 629, in apply_network_config netcfg, src = self._find_networking_config() File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 616, in _find_networking_config if self.datasource and hasattr(self.datasource, 'network_config'): File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceConfigDrive.py", line 150, in network_config self.network_json, known_macs=self.known_macs) File "/usr/lib/python3/dist-packages/cloudinit/sources/helpers/openstack.py", line 638, in convert_net_json known_macs = net.get_interfaces_by_mac() File "/usr/lib/python3/dist-packages/cloudinit/net/__init__.py", line 403, in get_interfaces_by_mac (name, ret[mac], mac)) RuntimeError: duplicate mac found! both 'gretap0' and 'lo' have mac '00:00:00:00:00:00' ------------------------------------------------------------ Cloud-init v. 0.7.9 running 'modules:config' at Fri, 19 May 2017 13:41:02 +0000. Up 4.0 seconds. Cloud-init v. 0.7.9 running 'modules:final' at Fri, 19 May 2017 13:41:04 +0000. Up 6.0 seconds. Cloud-init v. 0.7.9 finished at Fri, 19 May 2017 13:41:04 +0000. Datasource DataSourceConfigDrive [net,ver=2][source=/config-drive]. Up 6.0 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1692028/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp