cat ansible.cfg 
# https://docs.ansible.com/ansible/latest/reference_appendices/config.html
[defaults]
host_key_checking       = False
timeout                 = 10
connect_timeout         = 5
sleep                   = 0
forks                   = 64
private_key_file        = ./.ssh/id_rsa
nocolor                 = 0
force_color             = 1
inventory               = inventory
control_path_dir        = tmp/cp
log_path                = logs/ansible.log
retry_files_save_path   = retry-files
#remote_tmp             = /dev/shm/.ansible-${USER}/tmp
local_tmp               = tmp
gathering               = smart
fact_caching            = jsonfile
fact_caching_connection = facts
fact_caching_timeout    = 1200
nocows                  = 1
#module_lang            = en_US.UTF-8
remote_user             = ansible
roles_path              = roles:../

[ssh_connection]
pipelining              = True
ssh_args                = -o BatchMode=yes -o ServerAliveInterval=3 -o ServerAliveCountMax=3
retries                 = 20

[all]

tree inventory 
inventory
├── prod_offline
└── test_offline

[test_offline:children]
        test_offline_srv
        test_offline_a45

### skipped ###

[test_offline_srv]
zabbix.test.offline.lo ansible_host=10.15.57.80