This bug is created as a clone of upstream ticket:
https://fedorahosted.org/freeipa/ticket/6279

Steps to reproduce:
{{{
[server] # ipa-server-install
add second version of some command e.g. ping/2
make the new version default
[server] # systemctl restart httpd.service
[server] # ipa -vv ping/1
}}}

Actual result:
{{{
ipa: INFO: trying https://server.example.com/ipa/json
ipa: INFO: Forwarding 'ping/2' to json server 'https://server.example.com/ipa/json'
ipa: INFO: Request: {
    "id": 0, 
    "method": "ping/2", 
    "params": [
        [], 
        {
            "version": "2.212"
        }
    ]
}
ipa: INFO: Response: {
    "error": null, 
    "id": 0, 
    "principal": "admin", 
    "result": {
        "summary": "Ping version 2."
    }, 
    "version": "4.4.0.201608311132GITb30bc93"
}
---------------
Ping version 2.
---------------
}}}

Expected result:
{{{
ipa: INFO: trying https://server.example.com/ipa/json
ipa: INFO: Forwarding 'ping/1' to json server 'https://server.example.com/ipa/json'
ipa: INFO: Request: {
    "id": 0, 
    "method": "ping/1", 
    "params": [
        [], 
        {
            "version": "2.212"
        }
    ]
}
ipa: INFO: Response: {
    "error": null, 
    "id": 0, 
    "principal": "admin", 
    "result": {
        "summary": "IPA server version 4.4.0.201608311055GIT5b9ca10. API version 2.212"
    }, 
    "version": "4.4.0.201608311055GIT5b9ca10"
}
------------------------------------------------------------------
IPA server version 4.4.0.201608311055GIT5b9ca10. API version 2.212
------------------------------------------------------------------
}}}