As the topic states, the following is flooding console :
Any ideas?

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edited to add snippet from condump :
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CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p
Cmd_ForwardToServer: forwarding 'say_team'
(Player): help
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p
Cmd_ForwardToServer: forwarding 'say_team'
(Player): it is like cl_ this and that commands going to server
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
Cmd_ForwardToServer: forwarding 'say_team'
(Player): a ton of traffic
stufftext: cmd p
CL_ForwardToServer_f: Wrote 'p'
stufftext: cmd p