Merge github 202405 branch

- Add Test Case #11: Local-Preference with Multiple Paths
- Add Test Case #12: Local-Preference with Equal Values (Tie-Breaking)
- Add Test Case #13: Local-Preference Interaction with AS-Path
- Add Test Case #14: Local-Preference Interaction with MED
- Add Test Case #15: Local-Preference Interaction with Weight
- Add Test Case sonic-net#16: Local-Preference with Route Flapping
- Extend topology support to include t0 and t0-multi-asic
- Update scope section to reflect new test coverage

Co-Authored-By: bhavani@cisco.com <bhavani@cisco.com>

- Add test_local_preference_multiple_paths (Test Case #11)
- Add test_local_preference_equal_values_tiebreaker (Test Case #12)
- Add test_local_preference_vs_aspath (Test Case #13)
- Add test_local_preference_vs_med (Test Case #14)
- Add test_local_preference_vs_weight (Test Case #15)
- Add test_local_preference_route_flapping (Test Case sonic-net#16)
- Add helper functions for multi-path testing
- Update pytestmark to support t0 and t0-multi-asic topologies

Co-Authored-By: bhavani@cisco.com <bhavani@cisco.com>

[sonic-linkmgrd][master] submodule update

Commits added:
0c23756 Jing Zhang      2022-01-19      Linkmgrd subscribing State DB route event  (sonic-net#13)
12b9951 Longxiang Lyu   2021-12-13      Add TLV support to ICMP payload (sonic-net#11)
3eedda3 Longxiang Lyu   2022-01-06      Add missing intermediate states (sonic-net#16)
8da4982 Ying Xie        2022-01-04      [linkmgrd] update README, set coding style guidance (sonic-net#15)
a897cf8 Longxiang Lyu   2021-12-13      Improve PR template (sonic-net#16)
6fec701 Jing Zhang      2021-12-06      Add pull request template for linkmgrd repo (sonic-net#9)


signed-off-by: Jing Zhang zhangjing@microsoft.com

…et#21405)

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#### Why I did it

Adding the below fix from FRR FRRouting/frr#17297

This is to fix the following crash which is a statistical issue

```
[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/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M dplane_fpm_nl -M snmp'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007fccd7351e2c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7fccd6faf7c0 (LWP 36))]
(gdb) bt
#0 0x00007fccd7351e2c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
sonic-net#1 0x00007fccd7302fb2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
sonic-net#2 0x00007fccd72ed472 in abort () from /lib/x86_64-linux-gnu/libc.so.6
sonic-net#3 0x00007fccd75bb3a9 in _zlog_assert_failed (xref=xref@entry=0x7fccd7652380 <_xref.16>, extra=extra@entry=0x0) at ../lib/zlog.c:678
sonic-net#4 0x00007fccd759b2fe in route_node_delete (node=<optimized out>) at ../lib/table.c:352
sonic-net#5 0x00007fccd759b445 in route_unlock_node (node=0x0) at ../lib/table.h:258
sonic-net#6 route_next (node=<optimized out>) at ../lib/table.c:436
sonic-net#7 route_next (node=node@entry=0x56029d89e560) at ../lib/table.c:410
sonic-net#8 0x000056029b6b6b7a in if_lookup_by_name_per_ns (ns=ns@entry=0x56029d873d90, ifname=ifname@entry=0x7fccc0029340 "PortChannel1020")
 at ../zebra/interface.c:312
sonic-net#9 0x000056029b6b8b36 in zebra_if_dplane_ifp_handling (ctx=0x7fccc0029310) at ../zebra/interface.c:1867
sonic-net#10 zebra_if_dplane_result (ctx=0x7fccc0029310) at ../zebra/interface.c:2221
sonic-net#11 0x000056029b7137a9 in rib_process_dplane_results (thread=<optimized out>) at ../zebra/zebra_rib.c:4810
sonic-net#12 0x00007fccd75a0e0d in thread_call (thread=thread@entry=0x7ffe8e553cc0) at ../lib/thread.c:1990
sonic-net#13 0x00007fccd7559368 in frr_run (master=0x56029d65a040) at ../lib/libfrr.c:1198
sonic-net#14 0x000056029b6ac317 in main (argc=9, argv=0x7ffe8e5540d8) at ../zebra/main.c:478
```

##### Work item tracking
- Microsoft ADO **(number only)**:

#### How I did it
Added patch.

#### How to verify it
Running BGP tests.

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- [ ] 201911
- [ ] 202006
- [ ] 202012
- [ ] 202106
- [ ] 202111
- [ ] 202205
- [ ] 202211
- [ ] 202305

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#### Link to config_db schema for YANG module changes
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#### A picture of a cute animal (not mandatory but encouraged)

Why I did it
Advance dhcpmon to a3c5381 in 202305 branch.

a3c5381 - (HEAD, origin/master, origin/HEAD, master) Merge pull request src: Add libnl3 build.sh script sonic-net#11 from jcaiMR/dev/jcai_fix_err_log (11 days ago) [StormLiangMS]
c5ef7e7 - Change common_libs dependencies from buster to bullseye (Updating docker-orchagent/syncd Dockerfile and start.sh sonic-net#9)
824a144 - replace atoi with strtol (Rename hostname sonic-net#6) (10 weeks ago) [Mai Bui]
32c0c3f - Fix libswsscommon package installation for non-amd64 (README.md leaves out docker-database sonic-net#7) (10 weeks ago) [Saikrishna Arcot]
Work item tracking
Microsoft ADO (25048723):
How I did it
How to verify it
Run test_dhcp_relay.py, no failure