@Peng
Are you using a pre-installed image or standard Ubunutu? Please provide your Ubuntu version by "lsb_release -a" This fix is for Trusty. If you are running Xenial, please file a new bug against your issue.
@Peng
Are you using a pre-installed image or standard Ubunutu?
Please provide your Ubuntu version by "lsb_release -a"
This fix is for Trusty. If you are running Xenial, please file a new bug against your issue.