Fix docker start muliple containers continue on one failed and

add docker start show error message from daemon when start failed

Signed-off-by: Lei Jitang <leijitang@huawei.com>

api/client/commands.go

@@ -778,14 +778,18 @@ func (cli *DockerCli) CmdStart(args ...string) error {
 			return err
 		}
 	}
-
+	var encounteredError error
 	for _, name := range cmd.Args() {
 		_, _, err := readBody(cli.call("POST", "/containers/"+name+"/start", nil, false))
 		if err != nil {
 			if !*attach && !*openStdin {
+				// attach and openStdin is false means it could be starting multiple containers
+				// when a container start failed, show the error message and start next
 				fmt.Fprintf(cli.err, "%s\n", err)
+				encounteredError = fmt.Errorf("Error: failed to start one or more containers")
+			} else {
+				encounteredError = err
 			}
-			return fmt.Errorf("Error: failed to start one or more containers")
 		} else {
 			if !*attach && !*openStdin {
 				fmt.Fprintf(cli.out, "%s\n", name)
@@ -793,6 +797,10 @@ func (cli *DockerCli) CmdStart(args ...string) error {
 		}
 	}
 
+	if encounteredError != nil {
+		return encounteredError
+	}
+
 	if *openStdin || *attach {
 		if tty && cli.isTerminalOut {
 			if err := cli.monitorTtySize(cmd.Arg(0), false); err != nil {