diff --git a/common/control/bind_finder.go b/common/control/bind_finder.go
index 4d40b0d..2383217 100644
--- a/common/control/bind_finder.go
+++ b/common/control/bind_finder.go
@@ -1,6 +1,7 @@
 package control
 
 import (
+	"net"
 	"net/netip"
 )
 
@@ -12,8 +13,9 @@ type InterfaceFinder interface {
 }
 
 type Interface struct {
-	Index     int
-	MTU       int
-	Name      string
-	Addresses []netip.Prefix
+	Index        int
+	MTU          int
+	Name         string
+	Addresses    []netip.Prefix
+	HardwareAddr net.HardwareAddr
 }
diff --git a/common/control/bind_finder_default.go b/common/control/bind_finder_default.go
index 76dacbd..9d9230e 100644
--- a/common/control/bind_finder_default.go
+++ b/common/control/bind_finder_default.go
@@ -31,10 +31,11 @@ func (f *DefaultInterfaceFinder) Update() error {
 			return err
 		}
 		interfaces = append(interfaces, Interface{
-			Index:     netIf.Index,
-			MTU:       netIf.MTU,
-			Name:      netIf.Name,
-			Addresses: common.Map(ifAddrs, M.PrefixFromNet),
+			Index:        netIf.Index,
+			MTU:          netIf.MTU,
+			Name:         netIf.Name,
+			Addresses:    common.Map(ifAddrs, M.PrefixFromNet),
+			HardwareAddr: netIf.HardwareAddr,
 		})
 	}
 	f.interfaces = interfaces