Comment 4 for bug 1670908

Similar crash observed on the latest 4.0.0.0-3045 (CentOS 7.1 kilo) non HA, single node Webui sanity setup

Core was generated by `/usr/bin/contrail-collector'.
Program terminated with signal 6, Aborted.
#0 0x00002af4ab1025d7 in raise () from /lib64/libc.so.6
#0 0x00002af4ab1025d7 in raise () from /lib64/libc.so.6
#1 0x00002af4ab103cc8 in abort () from /lib64/libc.so.6
#2 0x00002af4ab0fb546 in __assert_fail_base () from /lib64/libc.so.6
#3 0x00002af4ab0fb5f2 in __assert_fail () from /lib64/libc.so.6
#4 0x000000000065e355 in RedisProcessorExec::SyncDeleteUVEs(std::string const&, unsigned short, std::string const&, std::string const&, std::string const&, std::string const&, std::string const&, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > >&) ()
#5 0x0000000000716962 in OpServerProxy::DeleteUVEs(std::string const&, std::string const&, std::string const&, std::string const&) ()
#6 0x0000000000647972 in SandeshGenerator::DisconnectSession(VizSession*) ()
#7 0x0000000000628ca5 in Collector::DisconnectSession(SandeshSession*) ()
#8 0x00000000008fa36e in SandeshServerConnection::ProcessDisconnect(SandeshSession*) ()
#9 0x00000000008e82df in ssm::Established::react(ssm::EvTcpClose const&) ()
#10 0x00000000008f762f in boost::statechart::detail::reaction_result boost::statechart::custom_reaction<ssm::EvTcpClose>::react<ssm::Established, boost::statechart::event_base, void const*>(ssm::Established&, boost::statechart::event_base const&, void const* const&) ()