BESS daemon crashes when running sim mode cmd

[krsna1729]

Describe the bug
BESS daemon crashes on running simulate create command

To Reproduce
Configure docker_setup.sh and conf/upf.json in sim mode.

./docker_setup.sh;
docker exec bess-pfcpiface pfcpiface -config /conf/upf.json -simulate create;

Expected behavior
Successful installation of rules without BESS daemon crash

Logs

F0507 08:34:31.306718    32 debug.cc:405] A critical error has occured. Aborting...
Signal: 11 (Segmentation fault), si_code: 1 (SEGV_MAPERR: address not mapped to object)
pid: 1, tid: 32, address: 0x8, IP: 0x560a28e831c4
Backtrace (recent calls first) ---
(0): bessd(_ZN13WildcardMatch12ProcessBatchEP7ContextPN4bess11PacketBatchE+0x6d4) [0x560a28e831c4]
(1): bessd(_ZNK4TaskclEP7Context+0x10d) [0x560a28c7722d]
(2): bessd(_ZN4bess16DefaultScheduler12ScheduleLoopEv+0x1c8) [0x560a28c737d8]
(3): bessd(_ZN6Worker3RunEPv+0x201) [0x560a28c70031]
(4): bessd(_Z10run_workerPv+0x7c) [0x560a28c7030c]
(5): bessd(+0x1429fde) [0x560a299d6fde]
(6): /lib/x86_64-linux-gnu/libpthread.so.0(+0x7fa2) [0x7f76e80c4fa2]
start_thread at ??:?
(7): /lib/x86_64-linux-gnu/libc.so.6(clone+0x3e) [0x7f76e7e534ce]
clone at ??:?

Additional context

Pausing the daemon before inserting works as expected. f589be

git checkout -b hotfix-sim
git revert f589be

[amarsri28]

pls log detail steps (with how many sessions this behavior observed, etc)

[krsna1729]

@amarsri28 with default number of sessions - 50K, as well as 5K and 50. I have pasted the steps above itself. Let me know if you need something else.