deluge backtrace

(gdb) bt
#0  0x00000008078611c2 in libtorrent::enum_net_interfaces ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
#1  0x000000080786157b in libtorrent::in_local_network ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
#2  0x00000008079d2583 in libtorrent::upnp::on_reply ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
#3  0x000000080782889e in libtorrent::broadcast_socket::on_receive ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
#4  0x000000080782a589 in boost::asio::asio_handler_invoke<boost::asio::detail::binder2<boost::_bi::bind_t<void, boost::_mfi::mf3<void, libtorrent::broadcast_socket, libtorrent::broadcast_socket::socket_entry*, boost::system::error_code const&, unsigned long>, boost::_bi::list4<boost::_bi::value<libtorrent::broadcast_socket*>, boost::_bi::value<libtorrent::broadcast_socket::socket_entry*>, boost::arg<1>, boost::arg<2> > >, boost::system::error_code, unsigned long> > ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
#5  0x000000080782a9ee in boost::asio::detail::reactive_socket_recvfrom_op<boost::asio::mutable_buffers_1, boost::asio::ip::basic_endpoint<boost::asio::ip::udp>, boost::_bi::bind_t<void, boost::_mfi::mf3<void, libtorrent::broadcast_socket, libtorrent::broadcast_socket::socket_entry*, boost::system::error_code const&, unsigned long>, boost::_bi::list4<boost::_bi::value<libtorrent::broadcast_socket*>, boost::_bi::value<libtorrent::broadcast_socket::socket_entry*>, boost::arg<1>, boost::arg<2> > > >::do_complete ()
   from /usr/local/lib/libtorrent-rasterbar.so.6
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