diff --git a/include/sysutils/NetlinkEvent.h b/include/sysutils/NetlinkEvent.h
index 2a734cb..f3501cf 100644
--- a/include/sysutils/NetlinkEvent.h
+++ b/include/sysutils/NetlinkEvent.h
@@ -34,6 +34,8 @@
     const static int NlActionChange;
     const static int NlActionLinkDown;
     const static int NlActionLinkUp;
+    const static int NlActionAddressUpdated;
+    const static int NlActionAddressRemoved;
 
     NetlinkEvent();
     virtual ~NetlinkEvent();