[release/v1.2] cherry pick bug fixes and IPv6 to v1.2.2#4765

Merged

zhaohuabing merged 6 commits intoenvoyproxy:release/v1.2from zhaohuabing:cherry-pick-v1.2.2

Nov 27, 2024

+2,970-1,364

Commits on Nov 27, 2024

Fix: frequent 503 errors when connecting to a Service experiencing high Pod churn (envoyproxy#4754 )
zhaohuabing
committed
xds: use V4_PREFERRED dnsLookupFamily by default (envoyproxy#4745 )

zirain
authored and
zhaohuabing
committed