(EC2)'Manage Configuration Groups' window and 'Select Configuration Group Hosts' window contains not same host names

Precondition:
Deploy cluster with default settings and all components.

STR:
1)Go on service page
2)Open Configs->Manage Config Group of some service
3)Create New Configuration Group
4)Try add hosts to new config group
5)Check names of hosts at 'Manage Configuration Groups' window and 'Select Configuration Group Hosts' window

Actual result:
'Manage Configuration Groups' window have internal host names, 'Select Configuration Group Hosts' window -external host names.

Expected result:
Have same hosts names at both windows.