/// - an option with unique value specified for each pool, so as it is
/// possible to test that pool specific options can be assigned.
///
-/// Configuration 3:
+/// - Configuration 3:
/// - one subnet 3000::/32 used on eth0 interface
/// - prefixes of length 64, delegated from the pool: 2001:db8:3::/48
/// - Excluded Prefix specified (RFC 6603).
///
+/// - Configuration 4:
+/// - Simple configuration with a single subnet
+/// - Two host reservations, one out of the pool another one in pool
+/// - Host reservation mode set to "out-of-pool" to test that
+/// only out of pool reservations are honored.
+///
const char* CONFIGS[] = {
// Configuration 0
"{ \"interfaces-config\": {"