func lxcSetConfigItem(c *lxc.Container, key string, value string) error {
	if c == nil {
		return fmt.Errorf("Uninitialized go-lxc struct")
	}

	if !util.RuntimeLiblxcVersionAtLeast(2, 1, 0) {
		switch key {
		case "lxc.uts.name":
			key = "lxc.utsname"
		case "lxc.pty.max":
			key = "lxc.pts"
		case "lxc.tty.dir":
			key = "lxc.devttydir"
		case "lxc.tty.max":
			key = "lxc.tty"
		case "lxc.apparmor.profile":
			key = "lxc.aa_profile"
		case "lxc.apparmor.allow_incomplete":
			key = "lxc.aa_allow_incomplete"
		case "lxc.selinux.context":
			key = "lxc.se_context"
		case "lxc.mount.fstab":
			key = "lxc.mount"
		case "lxc.console.path":
			key = "lxc.console"
		case "lxc.seccomp.profile":
			key = "lxc.seccomp"
		case "lxc.signal.halt":
			key = "lxc.haltsignal"
		case "lxc.signal.reboot":
			key = "lxc.rebootsignal"
		case "lxc.signal.stop":
			key = "lxc.stopsignal"
		case "lxc.log.syslog":
			key = "lxc.syslog"
		case "lxc.log.level":
			key = "lxc.loglevel"
		case "lxc.log.file":
			key = "lxc.logfile"
		case "lxc.init.cmd":
			key = "lxc.init_cmd"
		case "lxc.init.uid":
			key = "lxc.init_uid"
		case "lxc.init.gid":
			key = "lxc.init_gid"
		case "lxc.idmap":
			key = "lxc.id_map"
		}
	}

	if strings.HasPrefix(key, "lxc.prlimit.") {
		if !util.RuntimeLiblxcVersionAtLeast(2, 1, 0) {
			return fmt.Errorf(`Process limits require liblxc >= 2.1`)
		}
	}

	err := c.SetConfigItem(key, value)
	if err != nil {
		return fmt.Errorf("Failed to set LXC config: %s=%s", key, value)
	}

	return nil
}
func lxcSetConfigItem(c *lxc.Container, key string, value string) error {
	if c == nil {
		return fmt.Errorf("Uninitialized go-lxc struct")
	}

	if !util.RuntimeLiblxcVersionAtLeast(2, 1, 0) {
		switch key {
		case "lxc.uts.name":
			key = "lxc.utsname"
		case "lxc.pty.max":
			key = "lxc.pts"
		case "lxc.tty.dir":
			key = "lxc.devttydir"
		case "lxc.tty.max":
			key = "lxc.tty"
		case "lxc.apparmor.profile":
			key = "lxc.aa_profile"
		case "lxc.apparmor.allow_incomplete":
			key = "lxc.aa_allow_incomplete"
		case "lxc.selinux.context":
			key = "lxc.se_context"
		case "lxc.mount.fstab":
			key = "lxc.mount"
		case "lxc.console.path":
			key = "lxc.console"
		case "lxc.seccomp.profile":
			key = "lxc.seccomp"
		case "lxc.signal.halt":
			key = "lxc.haltsignal"
		case "lxc.signal.reboot":
			key = "lxc.rebootsignal"
		case "lxc.signal.stop":
			key = "lxc.stopsignal"
		case "lxc.log.syslog":
			key = "lxc.syslog"
		case "lxc.log.level":
			key = "lxc.loglevel"
		case "lxc.log.file":
			key = "lxc.logfile"
		case "lxc.init.cmd":
			key = "lxc.init_cmd"
		case "lxc.init.uid":
			key = "lxc.init_uid"
		case "lxc.init.gid":
			key = "lxc.init_gid"
		case "lxc.idmap":
			key = "lxc.id_map"
		}
	}

	if strings.HasPrefix(key, "lxc.prlimit.") {
		if !util.RuntimeLiblxcVersionAtLeast(2, 1, 0) {
			return fmt.Errorf(`Process limits require liblxc >= 2.1`)
		}
	}

	err := c.SetConfigItem(key, value)
	if err != nil {
		return fmt.Errorf("Failed to set LXC config: %s=%s", key, value)
	}

	return nil
}
// Helper functions