The fact that the .status.loadBalancer field can be set while .spec.type
is not "LoadBalancer" is a flub. Any spec update will already clear
.status.ingress, so it's hard to really rely on this. After this
change, updates which try to set this combination will fail validation.
Existing cases of this will not be broken. Any spec/metadata update
will clear it (no error) and this is the only stanza of status.
New gate "AllowServiceLBStatusOnNonLB" is off by default, but can be
enabled if this change actually breaks someone, which seems exceeedingly
unlikely.
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