network: Fixed passing multiple options to network::carp define.

network/manifests/init.pp

@@ -364,7 +364,7 @@ define network::carp($password, $ipaddr, $netmask, $options = [], $postcmd = [])
             network::interface { "carp${name}":
                 ipaddr  => $ipaddr,
                 netmask => $netmask,
-                options => [ "vhid ${name}", "pass ${password}", $options ],
+                options => merge([ "vhid ${name}", "pass ${password}", ], $options),
                 postcmd => merge("/usr/sbin/ndp -i carp${name} -- -accept_rtadv", $postcmd),
             }
         }