User Story:

As a (user persona), I want to be able to:

• Be warned that OpenShiftSDN will no longer be supported in versions following 4.14

so that I can achieve

• Warn 4.14 users that openshift-sdn CNI plug-in is sunsetting

Acceptance Criteria:

Description of criteria:

• Upstream documentation
• Point 1
• Point 2
• Point 3

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• https://github.com/openshift/installer/blob/f60ebb065b4242586f7afacc5f2be8afddbdfbde/pkg/types/validation/installconfig.go#L327C10-L327C10

This requires/does not require a design proposal.
This requires/does not require a feature gate.