- ERR("Event %s%s: %s (channel %s, session %s, filter \'%s\')",
- ev->name,
+ ERR("Failed to enable event rule %s%s, with filter expression `%s`, and attached to channel `%s`: %s (session `%s`)",
+ opt_enable_all ? "matching all events" :
+ (std::string("with pattern `") +
+ pattern + std::string("`"))
+ .c_str(),