Update generic for usage in base service list

hosts/generic/main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"log"
-	"net/netip"
 	"os"
 
 	"git.redxen.eu/caskd/s6-netdev"
@@ -12,43 +11,54 @@ func main() {
 	var (
 		err error
 		l   = log.New(os.Stderr, "s6-netdev: ", log.Ltime|log.Lshortfile|log.Lmsgprefix)
+		ifs = make(s6netdev.IfMap)
 	)
 	t := s6netdev.S6NewTree()
 
-	// No VRF
-	lo := s6netdev.Iface{
+	// Loopback
+	ifs.AddIf(&s6netdev.Iface{
 		Name: "lo",
 		Type: &s6netdev.NetdevIfTypes.Loopback,
-	}
-	t.NavServices(lo)
+	})
 
-	// Main VRF
-	main_vrf := s6netdev.Iface{
-		Name: "vrf-main",
-		Type: &s6netdev.NetdevIfTypes.Vrf,
-		Slaves: []*s6netdev.Iface{
-			{
-				Name: "br-main",
-				Type: &s6netdev.NetdevIfTypes.Bridge,
-				Routes: []s6netdev.Route{
-					{
-						Net: netip.MustParsePrefix("fd00::/64"),
-					},
-				},
-				Properties: []s6netdev.Property{
-					{Key: "stp_state", Value: "1", Default: "0"},
-					{Key: "mcast_snooping", Value: "0", Default: "1"},
-				},
-				Slaves: []*s6netdev.Iface{
-					{
-						Name: "enp1s0",
-						Type: &s6netdev.NetdevIfTypes.Phys,
-					},
-				},
+	// Physical interfaces
+	ifs.AddIf(&s6netdev.Iface{
+		Name: "eth0",
+		Type: &s6netdev.NetdevIfTypes.Phys,
+	})
+
+	// Bridge interfaces
+	ifs.AddIf(&s6netdev.Iface{
+		Name: "br0",
+		Type: &s6netdev.NetdevIfTypes.Bridge,
+		DHCP: s6netdev.DHCP_IP{V4: true},
+		Properties: []s6netdev.Property{
+			{Key: "stp_state", Value: "1", Default: "0"},
+			{Key: "mcast_snooping", Value: "0", Default: "1"},
+		},
+	})
+
+	for _, m := range []struct {
+		Master string
+		Slaves []string
+	}{
+		{
+			Master: "br0",
+			Slaves: []string{
+				"eth0",
 			},
 		},
+	} {
+		master := ifs[m.Master]
+		for _, slave := range m.Slaves {
+			master.Slaves = append(master.Slaves, ifs[slave])
+		}
+		ifs[m.Master] = master
+	}
+
+	for _, v := range ifs {
+		t.Services(*v)
 	}
-	t.NavServices(main_vrf)
 
 	for _, v := range t.S6Services() {
 		if s6netdev.NetdevIsDummy(v.Name) {