[release-1.26][IPv6] Choose correct primary IP config #3770
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Regardless of IPv6 only or dualstack clusters, IPv4 IP config is always primary. So for IPv6 backend address pool, IP config's IP version needs consideration. Signed-off-by: Zhecheng Li <zhechengli@microsoft.com>
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What type of PR is this?
/kind bug
What this PR does / why we need it:
[IPv6] Choose correct primary IP config
Regardless of IPv6 only or dualstack clusters, IPv4 IP config is always primary. So for IPv6 backend
address pool, IP config's IP version needs consideration.
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.: