Comment 1 for bug 1546073

Observed vrouter cores with the following BT during the tests:

(gdb) bt
#0 0x00007ffa627c0cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007ffa627c40d8 in __GI_abort () at abort.c:89
#2 0x00007ffa627b9b86 in __assert_fail_base (fmt=0x7ffa6290a830 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x11c9135 "0", file=file@entry=0x11daa90 "controller/src/vnsw/agent/oper/vrf.cc",
    line=line@entry=344, function=function@entry=0x11db000 <VrfEntry::DeleteTimeout()::__PRETTY_FUNCTION__> "bool VrfEntry::DeleteTimeout()") at assert.c:92
#3 0x00007ffa627b9c32 in __GI___assert_fail (assertion=0x11c9135 "0", file=0x11daa90 "controller/src/vnsw/agent/oper/vrf.cc", line=344,
    function=0x11db000 <VrfEntry::DeleteTimeout()::__PRETTY_FUNCTION__> "bool VrfEntry::DeleteTimeout()") at assert.c:101
#4 0x0000000000ab2dc2 in VrfEntry::DeleteTimeout (this=0x7ffa402aea20) at controller/src/vnsw/agent/oper/vrf.cc:344
#5 0x000000000117de49 in operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:767
#6 Timer::TimerTask::Run (this=0x2fcc090) at controller/src/base/timer.cc:42
#7 0x0000000001176eac in TaskImpl::execute (this=0x7ffa5c027c40) at controller/src/base/task.cc:253
#8 0x00007ffa6338fb3a in ?? () from /usr/lib/libtbb.so.2
#9 0x00007ffa6338b816 in ?? () from /usr/lib/libtbb.so.2
#10 0x00007ffa6338af4b in ?? () from /usr/lib/libtbb.so.2
#11 0x00007ffa633870ff in ?? () from /usr/lib/libtbb.so.2
#12 0x00007ffa633872f9 in ?? () from /usr/lib/libtbb.so.2
#13 0x00007ffa635ab182 in start_thread (arg=0x7ffa5ae43700) at pthread_create.c:312
#14 0x00007ffa6288447d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Moved the files here :
bhushana@10.204.216.50:/home/bhushana/Documents/technical/bugs/1546073