rosev_ircsystem: Crash, probably when some client disconnected

Tracking the crash which has happened two times during the meeting yesterday.
No idea how to reproduce this one yet. Only information available for the crash:

Mar 31 20:42:46 fezile rosev_ircsystem[22577]: Throw in function (unknown)#012Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::system::system_error> >#012std::exception::what: Transport endpoint is not connected
Mar 31 20:42:46 fezile init: rosev_ircsystem main process (22577) terminated with status 1