diff --git a/cmd/update_configuration/update_configuration.go b/cmd/update_configuration/update_configuration.go
index f1532851..2ddd79ae 100644
--- a/cmd/update_configuration/update_configuration.go
+++ b/cmd/update_configuration/update_configuration.go
@@ -104,7 +104,7 @@ func update42to43(conf42 vers42.NodeConf) vers43.NodeConf {
 		var device vers43.NetDevs = vers43.NetDevs{
 			Type:    netdev.Type,
 			Device:  devn,
-			Default: printB(netdev.Default),
+			Primary: printB(netdev.Default),
 			Hwaddr:  netdev.Hwaddr,
 			Ipaddr:  netdev.Ipaddr,
 			IpCIDR:  netdev.IpCIDR,
diff --git a/cmd/update_configuration/vers43/datastructure.go b/cmd/update_configuration/vers43/datastructure.go
index eda98449..48712bc5 100644
--- a/cmd/update_configuration/vers43/datastructure.go
+++ b/cmd/update_configuration/vers43/datastructure.go
@@ -60,6 +60,6 @@ type NetDevs struct {
 	Prefix  string            `yaml:"prefix,omitempty"`
 	Netmask string            `yaml:"netmask,omitempty"`
 	Gateway string            `yaml:"gateway,omitempty"`
-	Default string            `yaml:"default,omitempty"`
+	Primary string            `yaml:"primary,omitempty"`
 	Tags    map[string]string `yaml:"tags,omitempty"`
 }
diff --git a/internal/app/wwctl/container/imprt/main.go b/internal/app/wwctl/container/imprt/main.go
index 305c0d8c..09596279 100644
--- a/internal/app/wwctl/container/imprt/main.go
+++ b/internal/app/wwctl/container/imprt/main.go
@@ -130,8 +130,8 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 		wwlog.Warn("Could not copy /etc/resolv.conf into container: %s", err)
 	}
 
-	err = container.SyncUids(name, !NoSyncUser)
-	if err != nil && !NoSyncUser {
+	err = container.SyncUids(name, !SyncUser)
+	if err != nil && !SyncUser {
 		wwlog.Error("Error in user sync, fix error and run 'syncuser' manually: %s", err)
 		os.Exit(1)
 	}
diff --git a/internal/app/wwctl/container/imprt/root.go b/internal/app/wwctl/container/imprt/root.go
index ccbd8cde..6951849d 100644
--- a/internal/app/wwctl/container/imprt/root.go
+++ b/internal/app/wwctl/container/imprt/root.go
@@ -24,7 +24,7 @@ Imported containers are used to create bootable VNFS images.`,
 	SetUpdate  bool
 	SetBuild   bool
 	SetDefault bool
-	NoSyncUser bool
+	SyncUser   bool
 )
 
 func init() {
@@ -32,7 +32,7 @@ func init() {
 	baseCmd.PersistentFlags().BoolVarP(&SetUpdate, "update", "u", false, "Update and overwrite an existing container")
 	baseCmd.PersistentFlags().BoolVarP(&SetBuild, "build", "b", false, "Build container when after pulling")
 	baseCmd.PersistentFlags().BoolVar(&SetDefault, "setdefault", false, "Set this container for the default profile")
-	baseCmd.PersistentFlags().BoolVar(&NoSyncUser, "nosyncuser", false, "Don't synchronize uis/gods from host to container")
+	baseCmd.PersistentFlags().BoolVar(&SyncUser, "syncuser", false, "Synchronize uis/gods from host to container")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.
diff --git a/internal/app/wwctl/container/syncuser/main.go b/internal/app/wwctl/container/syncuser/main.go
index 04be7b32..e83fd6cc 100644
--- a/internal/app/wwctl/container/syncuser/main.go
+++ b/internal/app/wwctl/container/syncuser/main.go
@@ -14,7 +14,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	if !container.ValidName(containerName) {
 		return fmt.Errorf("%s is not a valid container", containerName)
 	}
-	err := container.SyncUids(containerName, noSyncUser)
+	err := container.SyncUids(containerName, !write)
 	if err != nil {
 		wwlog.Printf(wwlog.ERROR, "Error in synchronize: %s\n", err)
 		os.Exit(1)
diff --git a/internal/app/wwctl/container/syncuser/root.go b/internal/app/wwctl/container/syncuser/root.go
index eb654b55..00cc0a18 100644
--- a/internal/app/wwctl/container/syncuser/root.go
+++ b/internal/app/wwctl/container/syncuser/root.go
@@ -24,11 +24,11 @@ uid/gid collision is detected. File ownerships are also changed.`,
 
 		Args: cobra.MinimumNArgs(1),
 	}
-	noSyncUser bool
+	write bool
 )
 
 func init() {
-	baseCmd.PersistentFlags().BoolVar(&noSyncUser, "nosyncuser", false, "Don't synchronize uis/gods just check")
+	baseCmd.PersistentFlags().BoolVar(&write, "write", false, "Synchronize uis/gids and write files in container")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.
diff --git a/internal/app/wwctl/node/list/main.go b/internal/app/wwctl/node/list/main.go
index 75f06d34..304404fe 100644
--- a/internal/app/wwctl/node/list/main.go
+++ b/internal/app/wwctl/node/list/main.go
@@ -71,7 +71,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":GATEWAY", netdev.Gateway.Source(), netdev.Gateway.Print())
 				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":TYPE", netdev.Type.Source(), netdev.Type.Print())
 				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":ONBOOT", netdev.OnBoot.Source(), netdev.OnBoot.PrintB())
-				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":DEFAULT", netdev.Default.Source(), netdev.Default.PrintB())
+				fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":PRIMARY", netdev.Primary.Source(), netdev.Primary.PrintB())
 				for keyname, key := range netdev.Tags {
 					fmt.Printf("%-20s %-18s %-12s %s\n", node.Id.Get(), name+":TAG["+keyname+"]", key.Source(), key.Print())
 				}
diff --git a/internal/app/wwctl/node/set/main.go b/internal/app/wwctl/node/set/main.go
index e1da70d7..b098c53a 100644
--- a/internal/app/wwctl/node/set/main.go
+++ b/internal/app/wwctl/node/set/main.go
@@ -188,13 +188,13 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			SetNetOnBoot = "yes"
 
 			for _, n := range n.NetDevs {
-				if n.Default.GetB() {
+				if n.Primary.GetB() {
 					def = false
 				}
 			}
 
 			if def {
-				SetNetDefault = "yes"
+				SetNetPrimary = "yes"
 			}
 
 		}
@@ -276,24 +276,24 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			}
 		}
 
-		if SetNetDefault != "" {
+		if SetNetPrimary != "" {
 			if SetNetName == "" {
 				wwlog.Printf(wwlog.ERROR, "You must include the '--netname' option\n")
 				os.Exit(1)
 			}
 
-			if SetNetDefault == "yes" || SetNetDefault == "y" || SetNetDefault == "1" || SetNetDefault == "true" {
+			if SetNetPrimary == "yes" || SetNetPrimary == "y" || SetNetPrimary == "1" || SetNetPrimary == "true" {
 
 				// Set all other devices to non-default
 				for _, n := range n.NetDevs {
-					n.Default.SetB(false)
+					n.Primary.SetB(false)
 				}
 
 				wwlog.Printf(wwlog.VERBOSE, "Node: %s:%s, Setting PRIMARY\n", n.Id.Get(), SetNetName)
-				n.NetDevs[SetNetName].Default.SetB(true)
+				n.NetDevs[SetNetName].Primary.SetB(true)
 			} else {
 				wwlog.Printf(wwlog.VERBOSE, "Node: %s:%s, Unsetting PRIMARY\n", n.Id.Get(), SetNetName)
-				n.NetDevs[SetNetName].Default.SetB(false)
+				n.NetDevs[SetNetName].Primary.SetB(false)
 			}
 		}
 
diff --git a/internal/app/wwctl/node/set/root.go b/internal/app/wwctl/node/set/root.go
index d6eb7bf7..0174d55e 100644
--- a/internal/app/wwctl/node/set/root.go
+++ b/internal/app/wwctl/node/set/root.go
@@ -44,7 +44,7 @@ var (
 	SetHwaddr         string
 	SetType           string
 	SetNetOnBoot      string
-	SetNetDefault     string
+	SetNetPrimary     string
 	SetNetDevDel      bool
 	SetClusterName    string
 	SetIpxe           string
@@ -143,7 +143,7 @@ func init() {
 	baseCmd.PersistentFlags().StringVarP(&SetHwaddr, "hwaddr", "H", "", "Set the node's network device HW address")
 	baseCmd.PersistentFlags().StringVarP(&SetType, "type", "T", "", "Set the node's network device type")
 	baseCmd.PersistentFlags().StringVar(&SetNetOnBoot, "onboot", "", "Enable/disable device (yes/no)")
-	baseCmd.PersistentFlags().StringVar(&SetNetDefault, "primary", "", "Enable/disable device as primary (yes/no)")
+	baseCmd.PersistentFlags().StringVar(&SetNetPrimary, "primary", "", "Enable/disable device as primary (yes/no)")
 
 	baseCmd.PersistentFlags().BoolVar(&SetNetDevDel, "netdel", false, "Delete the node's network device")
 	baseCmd.PersistentFlags().StringSliceVar(&SetNetTags, "nettag", []string{}, "Define custom tag to network device (key=value)")
diff --git a/internal/app/wwctl/overlay/build/main.go b/internal/app/wwctl/overlay/build/main.go
index 4bb6a559..484d249e 100644
--- a/internal/app/wwctl/overlay/build/main.go
+++ b/internal/app/wwctl/overlay/build/main.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/hpcng/warewulf/internal/pkg/node"
 	"github.com/hpcng/warewulf/internal/pkg/overlay"
+	"github.com/hpcng/warewulf/internal/pkg/util"
 	"github.com/hpcng/warewulf/internal/pkg/warewulfconf"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/hpcng/warewulf/pkg/hostlist"
@@ -37,7 +38,12 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 		if len(args) > 0 {
 			args = hostlist.Expand(args)
 			for _, node := range nodes {
-				return overlay.BuildOverlayIndir(node, strings.Split(OverlayName, ","), OverlayDir)
+				if util.InSlice(node.RuntimeOverlay.GetSlice(), OverlayName) ||
+					util.InSlice(node.SystemOverlay.GetSlice(), OverlayName) {
+					return overlay.BuildOverlayIndir(node, strings.Split(OverlayName, ","), OverlayDir)
+				} else {
+					return errors.New("no node uses the given overlay")
+				}
 			}
 		} else {
 			var host node.NodeInfo
@@ -68,7 +74,12 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			}
 		} else {
 			if OverlayName != "" {
-				err = overlay.BuildSpecificOverlays(nodes, OverlayName)
+				for _, n := range nodes {
+					if util.InSlice(n.RuntimeOverlay.GetSlice(), OverlayName) ||
+						util.InSlice(n.SystemOverlay.GetSlice(), OverlayName) {
+						err = overlay.BuildSpecificOverlays([]node.NodeInfo{n}, OverlayName)
+					}
+				}
 			} else {
 				err = overlay.BuildAllOverlays(nodes)
 			}
diff --git a/internal/app/wwctl/profile/list/main.go b/internal/app/wwctl/profile/list/main.go
index a5eecb85..7e8d7163 100644
--- a/internal/app/wwctl/profile/list/main.go
+++ b/internal/app/wwctl/profile/list/main.go
@@ -62,7 +62,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 				fmt.Printf("%-20s %-18s %s\n", profile.Id.Get(), name+":HWADDR", netdev.Hwaddr.Print())
 				fmt.Printf("%-20s %-18s %s\n", profile.Id.Get(), name+":TYPE", netdev.Hwaddr.Print())
 				fmt.Printf("%-20s %-18s %s\n", profile.Id.Get(), name+":ONBOOT", netdev.OnBoot.PrintB())
-				fmt.Printf("%-20s %-18s %s\n", profile.Id.Get(), name+":DEFAULT", netdev.Default.PrintB())
+				fmt.Printf("%-20s %-18s %s\n", profile.Id.Get(), name+":PRIMARY", netdev.Primary.PrintB())
 				for keyname, key := range netdev.Tags {
 					fmt.Printf("%-20s %-18s %-12s %s\n", profile.Id.Get(), name+":TAG["+keyname+"]", key.Source(), key.Print())
 				}
diff --git a/internal/app/wwctl/profile/set/main.go b/internal/app/wwctl/profile/set/main.go
index e217ed4c..6fec3326 100644
--- a/internal/app/wwctl/profile/set/main.go
+++ b/internal/app/wwctl/profile/set/main.go
@@ -211,24 +211,24 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			}
 		}
 
-		if SetNetDefault != "" {
+		if SetNetPrimary != "" {
 			if SetNetName == "" {
 				wwlog.Printf(wwlog.ERROR, "You must include the '--netname' option\n")
 				os.Exit(1)
 			}
 
-			if SetNetDefault == "yes" || SetNetDefault == "y" || SetNetDefault == "1" || SetNetDefault == "true" {
+			if SetNetPrimary == "yes" || SetNetPrimary == "y" || SetNetPrimary == "1" || SetNetPrimary == "true" {
 
 				// Set all other networks to non-default
 				for _, n := range p.NetDevs {
-					n.Default.SetB(false)
+					n.Primary.SetB(false)
 				}
 
 				wwlog.Printf(wwlog.VERBOSE, "Profile: %s:%s, Setting PRIMARY\n", p.Id.Get(), SetNetName)
-				p.NetDevs[SetNetName].Default.SetB(true)
+				p.NetDevs[SetNetName].Primary.SetB(true)
 			} else {
 				wwlog.Printf(wwlog.VERBOSE, "Profile: %s:%s, Unsetting PRIMARY\n", p.Id.Get(), SetNetName)
-				p.NetDevs[SetNetName].Default.SetB(false)
+				p.NetDevs[SetNetName].Primary.SetB(false)
 			}
 		}
 
diff --git a/internal/app/wwctl/profile/set/root.go b/internal/app/wwctl/profile/set/root.go
index e586314c..e15d28d5 100644
--- a/internal/app/wwctl/profile/set/root.go
+++ b/internal/app/wwctl/profile/set/root.go
@@ -57,7 +57,7 @@ var (
 	SetGateway        string
 	SetType           string
 	SetNetOnBoot      string
-	SetNetDefault     string
+	SetNetPrimary     string
 	SetNetDevDel      bool
 	SetDiscoverable   bool
 	SetUndiscoverable bool
@@ -118,7 +118,7 @@ func init() {
 
 	baseCmd.PersistentFlags().StringVarP(&SetNetName, "netname", "n", "default", "Define the network name to configure")
 	baseCmd.PersistentFlags().StringVarP(&SetNetDev, "netdev", "N", "", "Set the node's network device")
-	baseCmd.PersistentFlags().StringVar(&SetNetDefault, "primary", "", "Enable/disable device as primary (yes/no)")
+	baseCmd.PersistentFlags().StringVar(&SetNetPrimary, "primary", "", "Enable/disable device as primary (yes/no)")
 	baseCmd.PersistentFlags().StringVarP(&SetNetmask, "netmask", "M", "", "Set the node's network device netmask")
 	baseCmd.PersistentFlags().StringVarP(&SetGateway, "gateway", "G", "", "Set the node's network device gateway")
 	baseCmd.PersistentFlags().StringVarP(&SetType, "type", "T", "", "Set the node's network device type")
diff --git a/internal/pkg/container/syncuids.go b/internal/pkg/container/syncuids.go
index 6066e1ca..779324db 100644
--- a/internal/pkg/container/syncuids.go
+++ b/internal/pkg/container/syncuids.go
@@ -100,7 +100,8 @@ func SyncUids(containerName string, showOnly bool) error {
 		*/
 
 	}
-	if !showOnly {
+	if showOnly {
+		wwlog.Printf(wwlog.INFO, "uid./gid not synced, run \nwwctl container syncuser --write %s\nto synchronize uid/gids.\n", containerName)
 		return nil
 	}
 	// create list of files which need changed ownerships in order to change them later what
diff --git a/internal/pkg/node/constructors.go b/internal/pkg/node/constructors.go
index 6746aa08..6dd00bb1 100644
--- a/internal/pkg/node/constructors.go
+++ b/internal/pkg/node/constructors.go
@@ -166,10 +166,11 @@ func (config *nodeYaml) FindAllNodes() ([]NodeInfo, error) {
 			n.NetDevs[devname].Gateway.Set(netdev.Gateway)
 			n.NetDevs[devname].Type.Set(netdev.Type)
 			n.NetDevs[devname].OnBoot.Set(netdev.OnBoot)
-			n.NetDevs[devname].Default.Set(netdev.Default)
-			// for just one netdev, it is always the default
+			n.NetDevs[devname].Primary.Set(netdev.Primary)
+			n.NetDevs[devname].Primary.Set(netdev.Default) // backwards compatibility
+			// for just one netdev, it is always the primary
 			if len(node.NetDevs) == 1 {
-				n.NetDevs[devname].Default.Set("true")
+				n.NetDevs[devname].Primary.Set("true")
 			}
 			n.NetDevs[devname].Tags = make(map[string]*Entry)
 			for keyname, key := range netdev.Tags {
@@ -253,7 +254,7 @@ func (config *nodeYaml) FindAllNodes() ([]NodeInfo, error) {
 				n.NetDevs[devname].Gateway.SetAlt(netdev.Gateway, p)
 				n.NetDevs[devname].Type.SetAlt(netdev.Type, p)
 				n.NetDevs[devname].OnBoot.SetAlt(netdev.OnBoot, p)
-				n.NetDevs[devname].Default.SetAlt(netdev.Default, p)
+				n.NetDevs[devname].Primary.SetAlt(netdev.Primary, p)
 				if len(netdev.Tags) != 0 {
 					for keyname, key := range netdev.Tags {
 						if _, ok := n.NetDevs[devname].Tags[keyname]; !ok {
@@ -376,7 +377,8 @@ func (config *nodeYaml) FindAllProfiles() ([]NodeInfo, error) {
 			p.NetDevs[devname].Gateway.Set(netdev.Gateway)
 			p.NetDevs[devname].Type.Set(netdev.Type)
 			p.NetDevs[devname].OnBoot.Set(netdev.OnBoot)
-			p.NetDevs[devname].Default.Set(netdev.Default)
+			p.NetDevs[devname].Primary.Set(netdev.Primary)
+			p.NetDevs[devname].Primary.Set(netdev.Default) // backwards compatibility
 
 			// The following should not be set in a profile.
 			if netdev.Ipaddr != "" {
diff --git a/internal/pkg/node/datastructure.go b/internal/pkg/node/datastructure.go
index d78ee910..62408a86 100644
--- a/internal/pkg/node/datastructure.go
+++ b/internal/pkg/node/datastructure.go
@@ -75,7 +75,8 @@ type NetDevs struct {
 	Prefix  string            `yaml:"prefix,omitempty"`
 	Netmask string            `yaml:"netmask,omitempty"`
 	Gateway string            `yaml:"gateway,omitempty"`
-	Default string            `yaml:"primary,omitempty"`
+	Primary string            `yaml:"primary,omitempty"`
+	Default string            `yaml:"default,omitempty"` /* backward compatibility */
 	Tags    map[string]string `yaml:"tags,omitempty"`
 }
 
@@ -149,7 +150,7 @@ type NetDevEntry struct {
 	Prefix  Entry
 	Netmask Entry
 	Gateway Entry
-	Default Entry
+	Primary Entry
 	Tags    map[string]*Entry
 }
 
diff --git a/internal/pkg/node/modifiers.go b/internal/pkg/node/modifiers.go
index 962d8706..5cccd193 100644
--- a/internal/pkg/node/modifiers.go
+++ b/internal/pkg/node/modifiers.go
@@ -101,7 +101,7 @@ func (config *nodeYaml) NodeUpdate(node NodeInfo) error {
 		config.Nodes[nodeID].NetDevs[devname].Gateway = netdev.Gateway.GetReal()
 		config.Nodes[nodeID].NetDevs[devname].Type = netdev.Type.GetReal()
 		config.Nodes[nodeID].NetDevs[devname].OnBoot = netdev.OnBoot.GetReal()
-		config.Nodes[nodeID].NetDevs[devname].Default = netdev.Default.GetReal()
+		config.Nodes[nodeID].NetDevs[devname].Primary = netdev.Primary.GetReal()
 		config.Nodes[nodeID].NetDevs[devname].Tags = make(map[string]string)
 		for keyname, key := range netdev.Tags {
 			if key.GetReal() != "" {
@@ -207,7 +207,7 @@ func (config *nodeYaml) ProfileUpdate(profile NodeInfo) error {
 		config.NodeProfiles[profileID].NetDevs[devname].Gateway = netdev.Gateway.GetReal()
 		config.NodeProfiles[profileID].NetDevs[devname].Type = netdev.Type.GetReal()
 		config.NodeProfiles[profileID].NetDevs[devname].OnBoot = netdev.OnBoot.GetReal()
-		config.NodeProfiles[profileID].NetDevs[devname].Default = netdev.Default.GetReal()
+		config.NodeProfiles[profileID].NetDevs[devname].Primary = netdev.Primary.GetReal()
 		config.NodeProfiles[profileID].NetDevs[devname].Tags = make(map[string]string)
 		for key := range netdev.Tags {
 			config.NodeProfiles[profileID].NetDevs[devname].Tags[key] = netdev.Tags[key].GetReal()
diff --git a/internal/pkg/overlay/overlay.go b/internal/pkg/overlay/overlay.go
index 8c542fe9..b7035a11 100644
--- a/internal/pkg/overlay/overlay.go
+++ b/internal/pkg/overlay/overlay.go
@@ -254,7 +254,7 @@ func BuildOverlayIndir(nodeInfo node.NodeInfo, overlayNames []string, outputDir
 		tstruct.NetDevs[devname].Gateway = netdev.Gateway.Get()
 		tstruct.NetDevs[devname].Type = netdev.Type.Get()
 		tstruct.NetDevs[devname].OnBoot = netdev.OnBoot.Get()
-		tstruct.NetDevs[devname].Default = netdev.Default.Get()
+		tstruct.NetDevs[devname].Primary = netdev.Primary.Get()
 		mask := net.IPMask(net.ParseIP(netdev.Netmask.Get()).To4())
 		ipaddr := net.ParseIP(netdev.Ipaddr.Get()).To4()
 		netaddr := net.IPNet{IP: ipaddr, Mask: mask}
diff --git a/internal/pkg/util/util.go b/internal/pkg/util/util.go
index e1841863..4148bf1b 100644
--- a/internal/pkg/util/util.go
+++ b/internal/pkg/util/util.go
@@ -74,6 +74,33 @@ func RandomString(n int) string {
 	return string(b)
 }
 
+/*
+Checks if given string is in slice. I yes returns true, false otherwise.
+*/
+func InSlice(slice []string, match string) bool {
+	for _, val := range slice {
+		if val == match {
+			return true
+		}
+	}
+	return false
+}
+
+/*
+Checks if one or more elements of a slice A are a part of slice B. Returns true
+as soon as one element matches.\
+*/
+func SliceInSlice(A []string, B []string) bool {
+	for _, a := range A {
+		for _, b := range B {
+			if a == b {
+				return true
+			}
+		}
+	}
+	return false
+}
+
 func IsDir(path string) bool {
 	wwlog.Debug("Checking if path exists as a directory: %s", path)
 
diff --git a/overlays/host/etc/dhcp/dhcpd.conf.ww b/overlays/host/etc/dhcp/dhcpd.conf.ww
index 8fe8c138..6e7b6bda 100644
--- a/overlays/host/etc/dhcp/dhcpd.conf.ww
+++ b/overlays/host/etc/dhcp/dhcpd.conf.ww
@@ -71,7 +71,7 @@ host {{$nodes.Id.Get}}-{{if $netdevs.Device.Defined}}{{$netdevs.Device.Get}}{{el
     {{- if $netdevs.Ipaddr.Defined}}
     fixed-address {{$netdevs.Ipaddr.Get}};
     {{- end}}
-    {{- if $netdevs.Default.GetB}}
+    {{- if $netdevs.Primary.GetB}}
     option host-name "{{$nodes.Id.Get}}";
     {{else}}
     option host-name "{{$nodes.Id.Get}}-{{if $netdevs.Device.Defined}}{{$netdevs.Device.Get}}{{else}}{{$netname}}{{end}}";
diff --git a/overlays/host/etc/hosts.ww b/overlays/host/etc/hosts.ww
index 7ef3c0cd..db0d9577 100644
--- a/overlays/host/etc/hosts.ww
+++ b/overlays/host/etc/hosts.ww
@@ -10,11 +10,10 @@
 # Entry for {{$node.Id.Get}}
 {{- range $devname, $netdev := $node.NetDevs}} {{/* for each network device on the node */}}
 {{- if $netdev.Ipaddr.Defined}}                {{/* if we have an ip address on this network device */}}
-{{- /* emit the node name as hostname if this is the default */}}
-{{$netdev.Ipaddr.Get}}
-{{- if $netdev.Default.GetB}} {{$node.Id.Get}}
-{{else}} {{$node.Id.Get}}-{{if $netdev.Device.Defined}}{{$netdev.Device.Get}}{{else}}{{$devname}}{{end}}
-{{- end}}
+{{- /* emit the node name as hostname if this is the primary */}}
+{{$netdev.Ipaddr.Get}} {{$node.Id.Get}}-{{$devname}}
+{{- if $netdev.Device.Defined}} {{$node.Id.Get}}-{{$netdev.Device.Get}}{{end}}
+{{- if $netdev.Primary.GetB}} {{$node.Id.Get}}{{end}}
 {{- end}} {{/* end if ip */}}
 {{- end}} {{/* end for each network device */}}
 {{- end}} {{/* end for each node */}}
diff --git a/overlays/wwinit/etc/systemd/network/10-persistent-net.link.ww b/overlays/wwinit/etc/systemd/network/10-persistent-net.link.ww
index d335d0bc..4bfcd3fa 100644
--- a/overlays/wwinit/etc/systemd/network/10-persistent-net.link.ww
+++ b/overlays/wwinit/etc/systemd/network/10-persistent-net.link.ww
@@ -1,6 +1,6 @@
 # /etc/systemd/network/10-persistent-net.link
 {{range $devname, $netdev := .NetDevs}}
-{{- if $netdev.Default}}
+{{- if $netdev.Primary}}
 [Match]
 MACAddress={{$netdev.Hwaddr}}
 [Link]