diff --git a/component/iface/iface.go b/component/iface/iface.go
index 62a46f1f8..92e0ccf3a 100644
--- a/component/iface/iface.go
+++ b/component/iface/iface.go
@@ -80,6 +80,9 @@ func getCache() (*ifaceCache, error) {
 			}
 			cache.ifMap[iface.Name] = ifaceObj
 
+			if iface.Flags&net.FlagUp == 0 {
+				continue // interface down
+			}
 			for _, prefix := range ipNets {
 				cache.ifTable.Insert(prefix, ifaceObj)
 			}