Comment 3 for bug 1714371

#3 0x00007f133a6beca2 in __GI___assert_fail (assertion=0x13944d0 "table_->ConcurrencyCheck(table_->flow_task_id()) == true",
    file=0x1394448 "controller/src/vnsw/agent/pkt/flow_table.cc", line=919,
    function=0x1394940 <FlowEntryFreeList::Free(FlowEntry*)::__PRETTY_FUNCTION__> "void FlowEntryFreeList::Free(FlowEntry*)") at assert.c:101
#4 0x0000000000cec455 in FlowEntryFreeList::Free (this=this@entry=0x7f132c604a40, flow=flow@entry=0x7f1318e8f0c0) at controller/src/vnsw/agent/pkt/flow_table.cc:919
#5 0x0000000000cdd528 in intrusive_ptr_release (fe=0x7f1318e8f0c0) at controller/src/vnsw/agent/pkt/flow_entry.cc:497
#6 0x0000000000cf7199 in ~intrusive_ptr (this=0x7f1320438ae0, __in_chrg=<optimized out>) at /usr/include/boost/smart_ptr/intrusive_ptr.hpp:97
#7 ~FlowMgmtRequest (this=0x7f1320438ad0, __in_chrg=<optimized out>) at controller/src/vnsw/agent/pkt/flow_mgmt_request.h:68
#8 FlowMgmtRequest::~FlowMgmtRequest (this=0x7f1320438ad0, __in_chrg=<optimized out>) at controller/src/vnsw/agent/pkt/flow_mgmt_request.h:68
#9 0x000000000087bcce in boost::detail::sp_counted_base::release (this=0x7f1320841a30) at /usr/include/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp:146
#10 0x0000000000cfd435 in ~shared_count (this=0x7f1333b27a58, __in_chrg=<optimized out>) at /usr/include/boost/smart_ptr/detail/shared_count.hpp:371
#11 ~shared_ptr (this=0x7f1333b27a50, __in_chrg=<optimized out>) at /usr/include/boost/smart_ptr/shared_ptr.hpp:328
#12 QueueTaskRunner<boost::shared_ptr<FlowMgmtRequest>, WorkQueue<boost::shared_ptr<FlowMgmtRequest> > >::RunQueue (this=0x7f1320605630) at controller/src/base/queue_task.h:108
#13 0x000000000130560f in TaskImpl::execute (this=0x7f1333cf3e40) at controller/src/base/task.cc:262