Comment 0 for bug 1732097

R4.1

Probable sequence of steps:
1. Change hc type from segment to local-link
2. Change it back to segment.

#0 0x00007fbd624b6c37 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x00007fbd624b6c37 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007fbd624ba028 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007fbd624afbf6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007fbd624afca2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x0000000000bc3225 in HealthCheckInstanceService::DestroyInstanceTask (this=0x7fbd4018de90) at controller/src/vnsw/agent/oper/health_check.cc:260
#5 0x0000000000bc252e in StopHealthCheckService (instance=0x7fbd4018de90, this=<optimized out>) at controller/src/vnsw/agent/oper/health_check.cc:434
#6 HealthCheckService::DeleteInstances (this=this@entry=0x7fbd48029700) at controller/src/vnsw/agent/oper/health_check.cc:629
#7 0x0000000000bc4b92 in HealthCheckService::Copy (this=this@entry=0x7fbd48029700, table=table@entry=0x7fbd54af0c60, data=0x7fbd4029a660)
    at controller/src/vnsw/agent/oper/health_check.cc:540
#8 0x0000000000bc4c83 in HealthCheckTable::OperDBOnChange (this=0x7fbd54af0c60, entry=<optimized out>, req=<optimized out>)
    at controller/src/vnsw/agent/oper/health_check.cc:683
#9 0x0000000000ba8d9a in AgentOperDBTable::OnChange (this=0x7fbd54af0c60, entry=0x7fbd48029768, req=0x7fbd40193540)
    at controller/src/vnsw/agent/oper/oper_db.h:202
#10 0x0000000001479e38 in DBTable::Input (this=0x7fbd54af0c60, tbl_partition=0x7fbd54afaf00, client=<optimized out>, req=0x7fbd40193540)
    at controller/src/db/db_table.cc:498
#11 0x000000000147993e in DBPartition::QueueRunner::Run (this=0x7fbd401e80d0) at controller/src/db/db_partition.cc:208
#12 0x00000000015cd527 in TaskImpl::execute (this=0x7fbd5baa9240) at controller/src/base/task.cc:277
#13 0x00007fbd63085b3a in ?? () from /usr/lib/libtbb.so.2
#14 0x00007fbd63081816 in ?? () from /usr/lib/libtbb.so.2
#15 0x00007fbd63080f4b in ?? () from /usr/lib/libtbb.so.2
#16 0x00007fbd6307d0ff in ?? () from /usr/lib/libtbb.so.2
#17 0x00007fbd6307d2f9 in ?? () from /usr/lib/libtbb.so.2
#18 0x00007fbd632a1184 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#19 0x00007fbd6257a37d in clone () from /lib/x86_64-linux-gnu/libc.so.6