Comment 3 for bug 1533495

This crash happened in 3.0 2701 Ubuntu 14.04 Kilo Sanity also.

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-vrouter-agent'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f96a8b5ccc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named 'libstdcxx'
(gdb) bt
#0 0x00007f96a8b5ccc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f96a8b600d8 in __GI_abort () at abort.c:89
#2 0x00007f96a8b55b86 in __assert_fail_base (fmt=0x7f96a8ca6830 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x11bf3f5 "0",
    file=file@entry=0x12b30e0 "controller/src/base/task.cc", line=line@entry=276,
    function=function@entry=0x12b47e0 <TaskImpl::execute()::__PRETTY_FUNCTION__> "virtual tbb::task* TaskImpl::execute()") at assert.c:92
#3 0x00007f96a8b55c32 in __GI___assert_fail (assertion=0x11bf3f5 "0", file=0x12b30e0 "controller/src/base/task.cc", line=276,
    function=0x12b47e0 <TaskImpl::execute()::__PRETTY_FUNCTION__> "virtual tbb::task* TaskImpl::execute()") at assert.c:101
#4 0x000000000116dd03 in TaskImpl::execute (this=<optimized out>) at controller/src/base/task.cc:276
#5 0x00007f96a972bb3a in ?? () from /usr/lib/libtbb.so.2
#6 0x00007f96a9727816 in ?? () from /usr/lib/libtbb.so.2
#7 0x00007f96a9726f4b in ?? () from /usr/lib/libtbb.so.2
#8 0x00007f96a97230ff in ?? () from /usr/lib/libtbb.so.2
#9 0x00007f96a97232f9 in ?? () from /usr/lib/libtbb.so.2
#10 0x00007f96a9947182 in start_thread (arg=0x7f96a19e1700) at pthread_create.c:312
#11 0x00007f96a8c2047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)

Core copied to /cs-shared/bugs/1533495-3.0-2701