diff --git a/common/control/bind_finder.go b/common/control/bind_finder.go
index a89993b1..9b013d34 100644
--- a/common/control/bind_finder.go
+++ b/common/control/bind_finder.go
@@ -19,4 +19,5 @@ type Interface struct {
 	Name         string
 	Addresses    []netip.Prefix
 	HardwareAddr net.HardwareAddr
+	Flags        net.Flags
 }
diff --git a/common/control/bind_finder_default.go b/common/control/bind_finder_default.go
index 250e32aa..804497b6 100644
--- a/common/control/bind_finder_default.go
+++ b/common/control/bind_finder_default.go
@@ -37,6 +37,7 @@ func (f *DefaultInterfaceFinder) Update() error {
 			Name:         netIf.Name,
 			Addresses:    common.Map(ifAddrs, M.PrefixFromNet),
 			HardwareAddr: netIf.HardwareAddr,
+			Flags:        netIf.Flags,
 		})
 	}
 	f.interfaces = interfaces