Attach failing for arguments more than two

attachTest.go

package main

import (
	"fmt"
	"github.com/caglar10ur/lxc"
)

func main() {
	// first create and start
	l := lxc.NewContainer("testing")
	defer lxc.PutContainer(l)

	if err := l.Create("busybox"); err != nil {
		fmt.Printf("ERROR CREATE: %s\n", err)
	}

	if err := l.SetDaemonize(); err != nil {
		fmt.Printf("ERROR DAEMONIZE: %s\n", err)
	}

	if err := l.SetCloseAllFds(); err != nil {
		fmt.Printf("ERROR CLOSE ALL: %s\n", err)
	}

	if err := l.Start(false); err != nil {
		fmt.Printf("ERROR START: %s\n", err)
	}

	// this will work
	argsOne := []string{"pwd"}
	if err := l.AttachRunCommand(argsOne...); err != nil {
		fmt.Printf("ERROR 1: %s\n", err)
	}

	// this too
	argsTwo := []string{"ls", "/"}
	if err := l.AttachRunCommand(argsTwo...); err != nil {
		fmt.Printf("ERROR 1: %s\n", err)
	}

	// .. but this will not work
	argsThree := []string{"ls", "-l", "-a"}
	if err := l.AttachRunCommand(argsThree...); err != nil {
		fmt.Printf("ERROR 2: %s\n", err)
	}
}