Failed to update canary route openshift-ingress-canary/canary in RHOCP 4

Issue

• The OpenShift Ingress Operator shows the error: failed to reconcile canary route

  2023-12-18T16:46:31.602Z    ERROR   operator.init   controller/controller.go:265 Reconciler error   {"controller": "canary_controller", "object": {"name":"default","namespace":"openshift-ingress-operator"}, "namespace": "openshift-ingress-operator", "name": "default", reconcileID": "40eea87b-19c2-46e2-abb7-cc74ce3de845", "error": "failed to ensure canary route: failed to update canary route openshift-ingress-canary/canary: Route.route.openshift.io \"canary\" is invalid: spec.subdomain: Invalid value: \"canary-openshift-ingress-canary\": field is immutable"}