Alicloud: fix error msg when check hostname
Alicloud: fix error msg when check hostname

robinpercy/kops,aledbf/kops,aledbf/kops,kubernetes/kops,justinsb/kops,kubernetes/kops,aledbf/kops,aledbf/kops,justinsb/kops,robinpercy/kops,kubernetes/kops,robinpercy/kops,justinsb/kops,robinpercy/kops