The warning also says how you can suppress this warning.
const char *prefix = NULL; if (ConfGet("stats.decoder-events-prefix", &prefix) != 1) { prefix = "decoder"; SCLogWarning(SC_WARN_DEFAULT_WILL_CHANGE, "in 5.0 the default " "for decoder event stats will go from " "'decoder.<proto>.<event>' to 'decoder.event.<proto>.<event>'. " "See ticket #2225. To suppress this message, " "set stats.decoder-events-prefix in the yaml."); } stats_decoder_events_prefix = prefix;