diff --git a/cmd/root.go b/cmd/root.go
index 441b0fb..c162221 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -1,26 +1,42 @@
 package cmd
 
 import (
+	"bytes"
 	"context"
+	yamlConfig "docker-netns/config"
 	"fmt"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/client"
 	"github.com/kardianos/service"
+	"github.com/kballard/go-shellquote"
 	"github.com/spf13/cobra"
+	"github.com/vishvananda/netns"
 	"log"
 	"os"
+	"os/exec"
+	"path"
+	"runtime"
+	"syscall"
 )
 
+func init() {
+	rootCmd.Flags().StringVar(&configPath, "config", path.Join("/opt", appName, "config.yaml"), "YAML configuration file")
+}
+
+const appName = "docker-netns"
+
 var (
-	logger service.Logger
-	rootCmd = &cobra.Command{
-		Use:   "docker-netns",
-		Short: "Docker network namespace manager",
+	configPath string
+	logger     service.Logger
+	rootCmd    = &cobra.Command{
+		Use:     appName,
+		Short:   "Docker network namespace manager",
 		Version: "1.0.0",
 		Run: func(cmd *cobra.Command, args []string) {
-			prg := &program{}
+			prg := NewProgram()
 			s, err := service.New(prg, svcConfig)
+			prg.service = s
 			if err != nil {
 				fmt.Fprintf(os.Stderr, "[service.New] %v\n", err)
 				os.Exit(1)
@@ -33,13 +49,14 @@ var (
 			err = s.Run()
 			if err != nil {
 				logger.Error(err)
+				os.Exit(1)
 			}
 		},
 	}
 	svcConfig = &service.Config{
-		Name: "docker-netns",
+		Name:        "docker-netns",
 		DisplayName: "Docker network namespace service",
-		UserName: "root",
+		UserName:    "root",
 		Dependencies: []string{
 			"After=network.target syslog.target docker.service",
 		},
@@ -49,29 +66,131 @@ var (
 	}
 )
 
-type program struct {}
+func nsContext(containerID string, callback func() (interface{}, error)) (interface{}, error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+	originNamespace, err := netns.Get()
+	if err != nil {
+		return nil, err
+	}
+	defer originNamespace.Close()
+	cli, err := client.NewClientWithOpts(client.WithVersion("1.40"))
+	if err != nil {
+		return nil, err
+	}
+	container, err := cli.ContainerInspect(context.Background(), containerID)
+	if err != nil {
+		return nil, err
+	}
+	ContainerNamespace, err := netns.GetFromPid(container.State.Pid)
+	if err != nil {
+		return nil, err
+	}
+	defer ContainerNamespace.Close()
+	err = netns.Set(ContainerNamespace)
+	if err != nil {
+		return nil, err
+	}
+	res, err := callback()
+	if err != nil {
+		return res, err
+	}
+	err = netns.Set(originNamespace)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func execCommands(containerID string, commands []string) error {
+	_, err := nsContext(containerID, func() (interface{}, error) {
+		for _, command := range commands {
+			command, err := shellquote.Split(command)
+			if err != nil {
+				return nil, err
+			}
+			execCmd := exec.Command(command[0], command[1:]...)
+			var stderr bytes.Buffer
+			execCmd.Stderr = &stderr
+			err = execCmd.Run()
+			if err != nil {
+				return nil, fmt.Errorf("%v: %v", err, stderr.String())
+			}
+		}
+		return nil, nil
+	})
+	return err
+}
+
+type program struct {
+	service service.Service
+	ctx     context.Context
+	cancel  context.CancelFunc
+	exited  chan error
+}
+
+func NewProgram() *program {
+	ctx, cancel := context.WithCancel(context.Background())
+	exited := make(chan error)
+	return &program{ctx: ctx, cancel: cancel, exited: exited}
+}
 
 func (p *program) Start(s service.Service) error {
 	// Start should not block. Do the actual work async.
+	config, err := yamlConfig.NewConfig(configPath)
+	if err != nil {
+		return err
+	}
 	cli, err := client.NewClientWithOpts(client.WithVersion("1.40"))
 	if err != nil {
 		return err
 	}
-	go p.run(cli)
+	go p.run(config, cli)
 	return nil
 }
 
-func (p *program) run(cli *client.Client) {
-	ctx := context.Background()
+func (p *program) run(config *yamlConfig.Config, cli *client.Client) {
+	defer close(p.exited)
+	process, _ := os.FindProcess(os.Getpid())
+	containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
+	if err != nil {
+		process.Signal(syscall.SIGTERM)
+		p.exited <- err
+		return
+	}
+	for containerID := range *config {
+		for _, container := range containers {
+			if containerID == container.ID[:len(containerID)] {
+				err := execCommands(containerID, (*config)[containerID])
+				if err != nil {
+					process.Signal(syscall.SIGTERM)
+					p.exited <- err
+					return
+				}
+				break
+			}
+		}
+	}
+
 	f := filters.NewArgs()
 	f.Add("event", "start")
-	msgs, errs := cli.Events(ctx, types.EventsOptions{Filters: f})
+	msgs, errs := cli.Events(p.ctx, types.EventsOptions{Filters: f})
 	for {
 		select {
-		case msg := <-msgs:
-			_ = msg
+		case <-p.ctx.Done():
+			return
+		case <-msgs:
+			for containerID := range *config {
+				err := execCommands(containerID, (*config)[containerID])
+				if err != nil {
+					process.Signal(syscall.SIGTERM)
+					p.exited <- err
+					return
+				}
+			}
 		case err := <-errs:
-			_ = err
+			process.Signal(syscall.SIGTERM)
+			p.exited <- err
 			return
 		}
 	}
@@ -79,7 +198,8 @@ func (p *program) run(cli *client.Client) {
 
 func (p *program) Stop(s service.Service) error {
 	// Stop should not block. Return with a few seconds.
-	return nil
+	p.cancel()
+	return <-p.exited
 }
 
 func Execute() {
diff --git a/cmd/service.go b/cmd/service.go
index b67a5ad..085672c 100644
--- a/cmd/service.go
+++ b/cmd/service.go
@@ -4,30 +4,88 @@ import (
 	"fmt"
 	"github.com/kardianos/service"
 	"github.com/spf13/cobra"
+	"io/ioutil"
 	"os"
-	"strings"
+	"path"
 )
 
 func init() {
-	serviceCmd.Flags().StringP("action", "a", "", strings.Join(service.ControlAction[:], "|"))
-	serviceCmd.MarkFlagRequired("action")
+	installCmd.Flags().String("config", "./config.yaml", "YAML configuration file")
+	serviceCmd.AddCommand(startCmd, stopCmd, restartCmd, installCmd, uninstallCmd)
 	rootCmd.AddCommand(serviceCmd)
 }
 
-var serviceCmd = &cobra.Command{
-	Use:   "service",
-	Short: "Service management",
-	Run: func(cmd *cobra.Command, args []string) {
-		prg := &program{}
+func serviceControl(action string) func(*cobra.Command, []string) {
+	return func(cmd *cobra.Command, args []string) {
+		prg := NewProgram()
 		s, err := service.New(prg, svcConfig)
+		prg.service = s
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "[service.New] %v\n", err)
 			os.Exit(1)
 		}
-		err = service.Control(s, cmd.Flag("action").Value.String())
+		err = service.Control(s, action)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "[service.Control] %v\n", err)
 			os.Exit(1)
 		}
-	},
+	}
 }
+
+var (
+	serviceCmd = &cobra.Command{
+		Use:   "service",
+		Short: "Service management",
+	}
+	startCmd = &cobra.Command{
+		Use:   "start",
+		Short: "Start service",
+		Run:   serviceControl("start"),
+	}
+	stopCmd = &cobra.Command{
+		Use:   "stop",
+		Short: "Stop service",
+		Run:   serviceControl("stop"),
+	}
+	restartCmd = &cobra.Command{
+		Use:   "restart",
+		Short: "Restart service",
+		Run:   serviceControl("restart"),
+	}
+	installCmd = &cobra.Command{
+		Use:   "install",
+		Short: "Install service",
+		Run: func(cmd *cobra.Command, args []string) {
+			// TODO: transaction
+			err := os.Mkdir(path.Join("/opt", appName), 0755)
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "[os.Mkdir] %v\n", err)
+				os.Exit(1)
+			}
+			bytes, err := ioutil.ReadFile(cmd.Flag("config").Value.String())
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "[ioutil.ReadFile] %v\n", err)
+				os.Exit(1)
+			}
+			err = ioutil.WriteFile(path.Join("/opt", appName, "config.yaml"), bytes, 0644)
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "[ioutil.WriteFile] %v\n", err)
+				os.Exit(1)
+			}
+			serviceControl("install")(cmd, args)
+		},
+	}
+	uninstallCmd = &cobra.Command{
+		Use:   "uninstall",
+		Short: "Uninstall service",
+		Run: func(cmd *cobra.Command, args []string) {
+			// TODO: transaction
+			err := os.RemoveAll(path.Join("/opt", appName))
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "[ioutil.RemoveAll] %v\n", err)
+				os.Exit(1)
+			}
+			serviceControl("uninstall")(cmd, args)
+		},
+	}
+)
diff --git a/cmd/shell.go b/cmd/shell.go
index f949ccd..d896a1c 100644
--- a/cmd/shell.go
+++ b/cmd/shell.go
@@ -1,14 +1,10 @@
 package cmd
 
 import (
-	"context"
 	"fmt"
-	"github.com/docker/docker/client"
 	"github.com/spf13/cobra"
-	"github.com/vishvananda/netns"
 	"os"
 	"os/exec"
-	"runtime"
 )
 
 func init() {
@@ -21,49 +17,20 @@ var shellCmd = &cobra.Command{
 	Use:   "shell",
 	Short: "Start a shell in a specific network namespace",
 	Run: func(cmd *cobra.Command, args []string) {
-		runtime.LockOSThread()
-		defer runtime.UnlockOSThread()
-		originNamespace, err := netns.Get()
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[netns.Get] %v\n", err)
-			os.Exit(1)
-		}
-		defer originNamespace.Close()
-		cli, err := client.NewClientWithOpts(client.WithVersion("1.40"))
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[client.NewClientWithOpts] %v\n", err)
-			os.Exit(1)
-		}
-		container, err := cli.ContainerInspect(context.Background(), cmd.Flag("container").Value.String())
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[cli.ContainerInspect] %v\n", err)
-			os.Exit(1)
-		}
-		println(container.State.Pid)
-		ContainerNamespace, err := netns.GetFromPid(container.State.Pid)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[netns.GetFromPid] %v\n", err)
-			os.Exit(1)
-		}
-		defer ContainerNamespace.Close()
-		err = netns.Set(ContainerNamespace)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[netns.Set] %v\n", err)
-			os.Exit(1)
-		}
-		shell := exec.Command(os.Getenv("SHELL"))
-		shell.Stdin = os.Stdin
-		shell.Stdout = os.Stdout
-		shell.Stderr = os.Stderr
-		err = shell.Run()
+		_, err := nsContext(cmd.Flag("container").Value.String(), func() (interface{}, error) {
+			shell := exec.Command(os.Getenv("SHELL"))
+			shell.Stdin = os.Stdin
+			shell.Stdout = os.Stdout
+			shell.Stderr = os.Stderr
+			err := shell.Run()
+			if err != nil {
+				return nil, err
+			}
+			return nil, nil
+		})
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "[shell.Run] %v\n", err)
 			os.Exit(1)
 		}
-		err = netns.Set(originNamespace)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "[netns.Set] %v\n", err)
-			os.Exit(1)
-		}
 	},
 }
diff --git a/config.yaml b/config.yaml
index a22885e..2688547 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,3 +1,2 @@
-d8b71122deaa:
-  - ip route add default via 192.168.1.254 dev eth0
-
+360f9c13f2ab9:
+  - iptables -P OUTPUT DROP
diff --git a/go.mod b/go.mod
index b3cc1e9..f5f022d 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 	github.com/docker/go-units v0.4.0 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/kardianos/service v1.2.0
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
 	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
diff --git a/go.sum b/go.sum
index 987ee92..d2c9028 100644
--- a/go.sum
+++ b/go.sum
@@ -27,15 +27,7 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/c-bata/go-prompt v0.2.6 h1:POP+nrHE+DfLYx370bedwNhsqmpCUynWPxuHi0C5vZI=
-github.com/c-bata/go-prompt v0.2.6/go.mod h1:/LMAke8wD2FsNu9EXNdHxNLbd9MedkPnCdfpU9wwHfY=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/containerd/containerd v1.4.4 h1:rtRG4N6Ct7GNssATwgpvMGfnjnwfjnu/Zs9W3Ikzq+M=
 github.com/containerd/containerd v1.4.4/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
@@ -124,11 +116,11 @@ github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a h1:FaWFmfWdAUKbSCtOU2QjDaorUexogfaMgbipgYATUMU=
-github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kardianos/service v1.2.0 h1:bGuZ/epo3vrt8IPC7mnKQolqFeYJb7Cs8Rk4PSOBB/g=
 github.com/kardianos/service v1.2.0/go.mod h1:CIMRFEJVL+0DS1a3Nx06NaMn4Dz63Ng6O7dl0qH0zVM=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
@@ -139,26 +131,9 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lunixbochs/vtclean v0.0.0-20180621232353-2d01aacdc34a h1:weJVJJRzAJBFRlAiJQROKQs8oC9vOxvm4rZmBBk0ONw=
-github.com/lunixbochs/vtclean v0.0.0-20180621232353-2d01aacdc34a/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/manifoldco/promptui v0.8.0 h1:R95mMF+McvXZQ7j1g8ucVZE1gLP3Sv6j9vlF9kyRqQo=
-github.com/manifoldco/promptui v0.8.0/go.mod h1:n4zTdgP0vr0S3w7/O/g98U+e0gwLScEXGwov2nIKuGQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
-github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
-github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
-github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
-github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
-github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
-github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
-github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/mattn/go-tty v0.0.3 h1:5OfyWorkyO7xP52Mq7tB36ajHDG5OHrmBGIS/DtakQI=
-github.com/mattn/go-tty v0.0.3/go.mod h1:ihxohKRERHTVzN+aSVRwACLCeqIoZAWpoICkkvrWyR0=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
@@ -187,8 +162,6 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/term v1.2.0-beta.2 h1:L3y/h2jkuBVFdWiJvNfYfKmzcCnILw7mJWm2JQuMppw=
-github.com/pkg/term v1.2.0-beta.2/go.mod h1:E25nymQcrSllhX42Ok8MRm1+hyBdHY0dCeiKZ9jpNGw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -285,16 +258,13 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -302,14 +272,8 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200918174421-af09f7315aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211 h1:9UQO31fZ+0aKQOFldThf7BKPMJTiBfWycGh/u3UoO88=
 golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=