Fixes#3940
This changes machine configuration in a backwards compatible way to
allow multiple `.addresses` to be specified for the interface (and for
VLANs). Old field `.cidr` is still processed and used, but new
deployments should move to `.addresses`. This allows to stop using
interface duplication workarounds to assign multiple IPs to the
interface.
Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
Plus, convert a few absolute URLs with a version number to relative URLs without versions.
Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@gmail.com>