This bug is believed to be fixed in cloud-init in 17.1. If this is still a problem for you, please make a comment and set the state back to New
Thank you. ** Changed in: cloud-init Status: Fix Committed => Fix Released -- 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/1669504 Title: net/sysconfig.py is broken with ipv4 + ipv6 interfaces Status in cloud-init: Fix Released Status in cloud-init package in Ubuntu: Fix Released Status in cloud-init source package in Xenial: Fix Released Status in cloud-init source package in Yakkety: Fix Released Bug description: === Begin SRU Template === [Impact] This code path is not applicable to Ubuntu. The bug was in supporting dual stack network configuration in sysconfig (Redhat/centos) format. [Test Case] Launch an instance on lxd, make sure it has network. [Regression Potential] Changes to network rendering could have negatively affected Ubuntu the test above is valid to check that that didn't go horribly wrong. [Other Info] Upstream commit: https://git.launchpad.net/cloud-init/commit/?id=1d751a6f46 === End SRU Template === Given a network configuration that includes ipv4 and ipv6 configuration for an interface, as in: "networks": [ { "id": "public-ipv6", "ip_address": "2604:A880:0400:00D0:0000:0000:1714:F001/64", "link": "interface-public", "netmask": "", "neutron_network_id": "937c94de-7029-586e-6e36-ea9af2d815de", "type": "ipv6", "routes": [ { "gateway": "2604:A880:0400:00D0:0000:0000:0000:0001", "netmask": "::", "network": "::" } ] }, { "id": "public-ipv4", "ip_address": "198.199.75.198", "link": "interface-public", "netmask": "255.255.255.0", "neutron_network_id": "7d9cd798-2dc0-502f-41ca-e04b552ddffd", "type": "ipv4", "routes": [ { "gateway": "198.199.75.1", "netmask": "0.0.0.0", "network": "0.0.0.0" } ] } ] cloud-init will fail because both subnets provide a default route, resulting in the error: Duplicate declaration of default route found for interface eth0 To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1669504/+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