backtrace:
#0 0x0000561fd85bf9a4 in rgw::notify::Manager::tokens_waiter::token::~token (this=0x7f625e4e8bf8, __in_chrg=<optimized out>) at /home/yuvalif/ceph3/src/rgw/driver/rados/rgw_notify.cc:199
#1 0x0000561fd85c9d75 in rgw::notify::Manager::process_queue(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, spawn::basic_yield_context<boost::asio::executor_binder<void (*)(), boost::asio::any_io_
executor> >)::{lambda(spawn::basic_yield_context<boost::asio::executor_binder<void (*)(), boost::asio::any_io_executor> >)#7}::operator()(spawn::basic_yield_context<boost::asio::executor_binder<void (*)(), boost::asio::any_io_executor> >)
const (__closure=__closure@entry=0x561fdf2abc18, yield=...) at /home/yuvalif/ceph3/src/rgw/driver/rados/rgw_notify.cc:457
#2 0x0000561fd85ca050 in spawn::detail::spawn_helper<boost::asio::executor_binder<void (*)(), boost::as