[Bug 1577844] Re: Drop unnecessary blocking of all net udev rules

[Scott Moser]

some futher thought one reason for the blocking of udev was to have the .link files that cloud-init wrote apply.
It turns out that systemd.link will only rename devices once (based on a property in the devices /sys that says it has been renamed).

So, for cloud-init to have these apply we will probably have to unbind
and bind the device to clear that. that will also generate a hotplug
event to get the device changed.

http://paste.ubuntu.com/16220589/


** Attachment added: "unlink and relink script"
   https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1577844/+attachment/4655826/+files/unlink-link-dev

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Title:
  Drop unnecessary blocking of all net udev rules

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