diff --git a/lib/linux/constants.rb b/lib/linux/constants.rb
index bc8fa21..993bbe4 100644
--- a/lib/linux/constants.rb
+++ b/lib/linux/constants.rb
@@ -229,6 +229,7 @@ module Linux
   IFLA_STATS64		= 23
   IFLA_VF_PORTS		= 24
   IFLA_PORT_SELF	= 25
+  IFLA_AF_SPEC          = 26
 
   IFLA_INFO_UNSPEC	= 0
   IFLA_INFO_KIND	= 1	# "vlan", "gre" etc
diff --git a/lib/linux/netlink/route/link_handler.rb b/lib/linux/netlink/route/link_handler.rb
index 9c855a2..30ae0be 100644
--- a/lib/linux/netlink/route/link_handler.rb
+++ b/lib/linux/netlink/route/link_handler.rb
@@ -60,6 +60,7 @@ module Netlink
         :unpack => lambda { |str,obj| LinkStats.new(*(str.unpack("Q23"))) }
     rtattr :vf_ports, IFLA_VF_PORTS
     rtattr :port_self, IFLA_PORT_SELF
+    rtattr :af_spec, IFLA_AF_SPEC
     
     # Return the best stats available (64bit or 32bit)
     def stats