@@ -1161,6 +1161,7 @@ _docker() {

 		--dns-search

 		--exec-driver -e

 		--exec-opt

+		--exec-root

 		--fixed-cidr

 		--fixed-cidr-v6

 		--graph -g

@@ -25,6 +25,7 @@ type CommonConfig struct {

 	DnsSearch      []string

 	EnableCors     bool

 	ExecDriver     string

+	ExecRoot       string

 	GraphDriver    string

 	Labels         []string

 	LogConfig      runconfig.LogConfig

@@ -38,9 +39,11 @@ type CommonConfig struct {

 // the current process.

 // Subsequent calls to `flag.Parse` will populate config with values parsed

 // from the command-line.

+

 func (config *Config) InstallCommonFlags() {

 	flag.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, defaultPidFile, "Path to use for daemon PID file")

 	flag.StringVar(&config.Root, []string{"g", "-graph"}, defaultGraph, "Root of the Docker runtime")

+	flag.StringVar(&config.ExecRoot, []string{"-exec-root"}, "/var/run/docker", "Root of the Docker execdriver")

 	flag.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run")

 	flag.BoolVar(&config.Bridge.EnableIptables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules")

 	flag.BoolVar(&config.Bridge.EnableIpForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward")

@@ -911,8 +911,7 @@ func NewDaemon(config *Config, registryService *registry.Service) (daemon *Daemo

 	}

 	sysInfo := sysinfo.New(false)

-	const runDir = "/var/run/docker"

-	ed, err := execdrivers.NewDriver(config.ExecDriver, config.ExecOptions, runDir, config.Root, sysInitPath, sysInfo)

+	ed, err := execdrivers.NewDriver(config.ExecDriver, config.ExecOptions, config.ExecRoot, config.Root, sysInitPath, sysInfo)

 	if err != nil {

 		return nil, err

 	}

@@ -56,6 +56,9 @@ To see the man page for a command run **man docker <command>**.

 **--exec-opt**=[]

   Set exec driver options. See EXEC DRIVER OPTIONS.

+**--exec-root**=""

+  Path to use as the root of the Docker execdriver. Default is `/var/run/docker`.

+

 **--fixed-cidr**=""

   IPv4 subnet for fixed IPs (e.g., 10.20.0.0/16); this subnet must be nested in the bridge subnet (which is defined by \-b or \-\-bip)

@@ -152,6 +152,7 @@ expect an integer, and they can only be specified once.

       --default-ulimit=[]                    Set default ulimit settings for containers

       -e, --exec-driver="native"             Exec driver to use

       --exec-opt=[]                          Set exec driver options

+      --exec-root="/var/run/docker"          Root of the Docker execdriver

       --fixed-cidr=""                        IPv4 subnet for fixed IPs

       --fixed-cidr-v6=""                     IPv6 subnet for fixed IPs

       -G, --group="docker"                   Group for the unix socket