messenger_api_knoss_man: backends_man#awacs-rtc_balancer_l7_mssngr_search_yandex_net_yp_man
messenger_api_knoss_sas: backends_sas#awacs-rtc_balancer_l7_mssngr_search_yandex_net_yp_sas
messenger_api_knoss_vla: backends_vla#awacs-rtc_balancer_l7_mssngr_search_yandex_net_yp_vla
