From Void: http://forums.tf2cen...-server-issues/
net_queued_packet_thread 1
net_splitpacket_maxrate 100000
net_splitrate 1024
sv_minupdaterate 10
sv_max_queries_sec 3
sv_max_queries_sec_global 100000
Detect these variables and set to correct values at sometime during the lobby creation backend process.