Zabbix

..F....... [ZBX-21510] changed frontend error message according to NodeAdress changes

* commit '3edbba4aa520a9c9dca493c263a5ae3232559997':
  ..F....... [ZBX-21510] updated frontend tests to use new error messages
  ..F....... [ZBX-21510] fixed error messages for failed connection to server
  ..F....... [ZBX-21510] changed frontend error message