Non-existing name field must WARN (and work)

wlcg users (and some egi users) come with minimal information.

==> /var/log/feudal/adapter_devel_lsdf.log <==
[2021-07-02 16:30:03,061] { ...adapter/__init__.py:364}   ERROR - User 
40287f8d59146cf231f91fe99f0c55c330444ec9a7a60f34e7e2c6e7d8e6cb79%
40egi.eu
@https%3A%2F%
2Faai.egi.eu
%2Foidc%2F is in an undefined state.: __init__() got an unexpected 
keyword argument 'capture_output'

==> /var/log/motley_cue/mapper.log <==
[2021-07-02 16:30:03] [ldf_adapter] ERROR - User 
40287f8d59146cf231f91fe99f0c55c330444ec9a7a60f34e7e2c6e7d8e6cb79%
40egi.eu
@https%3A%2F%
2Faai.egi.eu
%2Foidc%2F is in an undefined state.: __init__() got an unexpected 
keyword argument 'capture_output'
[2021-07-02 16:30:03] [motley_cue.mapper.local_user_management] DEBUG - 
Reached state 'unknown': username egi-eu_vo-notebooks-egi-eu001