Comment 1 for bug 1458057

The two cores have the following bt

#0 0x00007f8ed252f63c in std::string::assign(std::string const&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1 0x0000000001366ffa in PathSandeshData::set_peer (this=0x7f8eb3bfd5f0, val=...) at build/debug/vnsw/agent/oper/agent_types.h:2932
#2 0x00000000013659d1 in AgentPath::SetSandeshData (this=0x7f8eb8011500, pdata=...) at controller/src/vnsw/agent/oper/agent_path.cc:1069
#3 0x000000000138997e in BridgeRouteEntry::DBEntrySandesh (this=0x7f8e8c015020, sresp=0x7f8ebc0ab280, stale=false)
    at controller/src/vnsw/agent/oper/bridge_route.cc:749
#4 0x0000000001355062 in AgentLayer2RtSandesh::UpdateResp (this=0x7f8ebc0ab410, entry=0x7f8e8c015020) at controller/src/vnsw/agent/oper/agent_sandesh.cc:273
#5 0x0000000001357b4b in AgentSandesh::EntrySandesh (this=0x7f8ebc0ab410, entry=0x7f8e8c015020, first=0, last=99)
    at controller/src/vnsw/agent/oper/agent_sandesh.cc:722
#6 0x000000000136012c in boost::_mfi::mf3<bool, AgentSandesh, DBEntryBase*, int, int>::operator() (this=0x7f8ebc0ad070, p=0x7f8ebc0ab410,
    a1=0x7f8e8c015020, a2=0, a3=99) at /usr/include/boost/bind/mem_fn_template.hpp:393
#7 0x000000000135f9ea in boost::_bi::list4<boost::_bi::value<AgentSandesh*>, boost::arg<2>, boost::_bi::value<int>, boost::_bi::value<int> >::operator()<bool, boost::_mfi::mf3<bool, AgentSandesh, DBEntryBase*, int, int>, boost::_bi::list2<DBTablePartBase*&, DBEntryBase*&> > (this=0x7f8ebc0ad080, f=..., a=...)
    at /usr/include/boost/bind/bind.hpp:447
#8 0x000000000135f0a0 in boost::_bi::bind_t<bool, boost::_mfi::mf3<bool, AgentSandesh, DBEntryBase*, int, int>, boost::_bi::list4<boost::_bi::value<AgentSandesh*>, boost::arg<2>, boost::_bi::value<int>, boost::_bi::value<int> > >::operator()<DBTablePartBase*, DBEntryBase*> (this=0x7f8ebc0ad070,
    a1=@0x7f8eb3bfda90: 0x7f8e84003fd0, a2=@0x7f8eb3bfda88: 0x7f8e8c015020) at /usr/include/boost/bind/bind_template.hpp:61
#9 0x000000000135e78c in boost::detail::function::function_obj_invoker2<boost::_bi::bind_t<bool, boost::_mfi::mf3<bool, AgentSandesh, DBEntryBase*, int, int>, boost::_bi::list4<boost::_bi::value<AgentSandesh*>, boost::arg<2>, boost::_bi::value<int>, boost::_bi::value<int> > >, bool, DBTablePartBase*, DBEntryBase*>::invoke (function_obj_ptr=..., a0=0x7f8e84003fd0, a1=0x7f8e8c015020) at /usr/include/boost/function/function_template.hpp:132
#10 0x0000000001b61a86 in boost::function2<bool, DBTablePartBase*, DBEntryBase*>::operator() (this=0x7f8ebc0ab030, a0=0x7f8e84003fd0, a1=0x7f8e8c015020)
    at /usr/include/boost/function/function_template.hpp:767
#11 0x0000000001b60e8b in DBTableWalker::Worker::Run (this=0x7f8ebc0ab460) at controller/src/db/db_table_walker.cc:142
#12 0x0000000001caeaa2 in TaskImpl::execute (this=0x7f8ecb40ec40) at controller/src/base/task.cc:232