delegate_to "{{ group_name[0] }}" doesn't work when connect to host via ssh jump-host

[evgeny-bushuev-incountry]

Bug description

TASK [vitabaks.autobase.deploy_finish : Get Postgres databases: main.yml] ************************************************************
Friday 30 May 2025  05:56:56 +0000 (0:00:07.721)       0:09:30.317 ************
fatal: [db-192-168-80-4 -> db-192-168-80-3]: UNREACHABLE! => {"changed": false, "msg": "EOF on stream; last 100 lines received:\n\rNone@bastion-ip's password: \n\rNone@bastion-ip's password: \n\rNone@bastion-ip's password: ", "unreachable": true}

Expected behavior

task finishes successfully

Steps to reproduce

1. Provision jump-host with public access
2. Provision db hosts with private ip addresses
3. Configure connection to db hosts via jump-host in ansible
4. Get an error with delegate_to tasks ...

Installation method

Command line

System info

Ubuntu 24.04 Ansible 11

Additional info

Since this case is kind of rare, I will suggest a PR myself