k8s:collector core generated while running k8s sanity on 5.0 queens

[Venkatesh Velpula]

core file is availbale @/cs-shared/bugs/1792107

Build :quee-5.0-248
Deployment :Ansible_deployer
HOST OS: CENTOS7.5
=======================

Topology
=========
instances:

vrouter +k8s_node:

      ip: nodec60
      ip: nodec61

config +control+k8s_master+kubemanager:

      ip: nodeg12
      ip: nodeg31
      ip: nodec58

(contrail-debug)[root@nodeg12 /]$ gdb /usr/lib/debug/usr/bin/contrail-collector.debug core.contrail-collec.1.nodeg12.1536595041
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-110.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/debug/usr/bin/contrail-collector.debug...done.

warning: core file may not match specified executable file.
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warning: Could not load shared library symbols for 22 libraries, e.g. /lib64/libcassandra.so.2.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-collector'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007f4486459dd6 in __memcpy_ssse3_back () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.6-13.el7.x86_64 cyrus-sasl-lib-2.1.26-23.el7.x86_64 glibc-2.17-222.el7.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.15.1-19.el7.x86_64 libcom_err-1.42.9-12.el7_5.x86_64 libcurl-7.29.0-46.el7.x86_64 libdb-5.3.21-24.el7.x86_64 libgcc-4.8.5-28.el7_5.1.x86_64 libidn-1.28-4.el7.x86_64 libselinux-2.5-12.el7.x86_64 libssh2-1.4.3-10.el7_2.1.x86_64 libstdc++-4.8.5-28.el7_5.1.x86_64 lz4-1.7.5-2.el7.x86_64 nspr-4.19.0-1.el7_5.x86_64 nss-3.36.0-5.el7_5.x86_64 nss-softokn-freebl-3.36.0-5.el7_5.x86_64 nss-util-3.36.0-1.el7_5.x86_64 openldap-2.4.44-15.el7_5.x86_64 openssl-libs-1.0.2k-12.el7.x86_64 pcre-8.32-17.el7.x86_64 python-libs-2.7.5-69.el7_5.x86_64 zlib-1.2.7-17.el7.x86_64
(gdb) bt
#0 0x00007f4486459dd6 in __memcpy_ssse3_back () from /lib64/libc.so.6
#1 0x00007f4486c88be0 in std::basic_streambuf<char, std::char_traits<char> >::xsputn(char const*, long) () from /lib64/libstdc++.so.6
#2 0x00007f4486c7f8f5 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long)
    () from /lib64/libstdc++.so.6
#3 0x000000000085cb4b in operator<< <char, std::char_traits<char>, std::allocator<char> > (
    __str="Idle\000\000\000\000\060\000\000\000\000\000\000\000\060\000\000\000\000\000\000\000\200|\310\002\000\000\000\000\006\000\000\000\000\000\000\000\377\377\377\377\000\000\000\000Active\000\000`\001\000\000\000\000\000\000\060\000\000\000\000\000\000\000\v\000\000\000\000\000\000\000\v\000\000\000\000\000\000\000J\000\000\000\000\000\000\000Established\000\000\000\000\000\061\000\000\000\000\000\000\000\220\346\327\002\000\000\000\000\060\220\315\002\000\000\000\000\377\377\377\377\000\000\000\000ServerIn0\000\000\000\000\000\000\000@\000\000\000\000\000\000\000\035\000\000\000\000\000\000\000\035", '\000' <repeats 15 times>, "jti-prot"...<Address 0x3025000 out of bounds>, __os=...) at /usr/include/c++/4.8.2/bits/basic_string.h:2758
#4 ssm::Idle::Idle (this=0x7f44544b89a0, ctx=...) at src/contrail-common/sandesh/library/cpp/sandesh_state_machine.cc:201
#5 0x0000000000000000 in ?? ()
(gdb)

[mkheni (mkheni)]

I could not find the core on ubuntu-build04 or ubuntu-build03, what server should I check?