Switch network container to privileged and don't use ARP

cmd/network/network.go

@@ -116,7 +116,7 @@ func ApplyNetworkConfigs(netCfg *config.NetworkConfig) error {
 func applyNetConf(link netlink.Link, netConf config.InterfaceConfig) error {
 	if netConf.DHCP {
 		log.Infof("Running DHCP on %s", link.Attrs().Name)
-		cmd := exec.Command("dhcpcd", link.Attrs().Name)
+		cmd := exec.Command("dhcpcd", "-A4", link.Attrs().Name)
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 		if err := cmd.Run(); err != nil {

config/default.go

@@ -210,9 +210,9 @@ func NewConfig() *Config {
 				},
 			},
 			"network": {
-				Image: "network",
+				Image:      "network",
 				Privileged: true,
-                                Net: "host",
+				Net:        "host",
 				Labels: []string{
 					DETACH + "=false",
 				},