m := rules.Matcher{Rule: r, Attr: attrWithOverride}
				if m.Matches() {
					kind := o.GetEquivalentResourceMapper().KindFor(equivalent, attr.GetSubresource())
					if kind.Empty() {
						return nil, apierrors.NewInternalError(fmt.Errorf("unable to convert to %v: unknown kind", equivalent))
					}
					invocation = &WebhookInvocation{
						Webhook:     h,
						Resource:    equivalent,
						Subresource: attr.GetSubresource(),