istioctl register requires namespace (doesn't use the default) #4473
Description
$ istioctl register testsvc1 1.1.1.1 8080
2018-03-22T20:06:03.512325Z info Registering for service 'testsvc1' ip '1.1.1.1', ports list [{8080 http}]
2018-03-22T20:06:03.512382Z info 0 labels ([]) and 1 annotations ([alpha.istio.io/kubernetes-serviceaccounts=default])
2018-03-22T20:06:03.514821Z warn Got 'an empty namespace may not be set when a resource name is provided' looking up svc 'testsvc1' in namespace '', attempting to create it
2018-03-22T20:06:03.515118Z error Unable to create service: an empty namespace may not be set during creation
Error: an empty namespace may not be set during creation
should use the default instead