* [brcmsai]: Updated BRCM SAI Debina package to 3.7.5.1-2 (sonic-net#4916)

Fix for Copp Rules not having Policer Rate-Limit applied.

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

* [nephos]: upgrade Nephos SAI version to c749df (sonic-net#4814)

Verified with Nephos nps8365 based platform Accton AS7116-54x.

* "[config]: Multi ASIC loopback changes (sonic-net#4895)

Resubmitting the changes for (sonic-net#4825) with fixes for sonic-bgpcdgd test failures
Signed-off-by: Arvindsrinivasan Lakshmi Narasimhan <arlakshm@microsoft.com>

* [mellanox]: Support warm reboot on MSN4700 (sonic-net#4910)

* [Submodule Update] Sonic-platform-common
[sfp_base] Update return value documentation of channel-specific methods
(#98)
[SfpBase] Fix key name typo in docstring (#99)
[sfp] Tweak key names of some transceiver info fields (#97)
[sfputil] Make SfpUtilHelper.get_physical_to_logical noexcept as
in SfpUtilBase (#96)

* [Submodule update] sonic-platform-daemons
[xcvrd] Update key names in 'get_media_settings_value()' (#63)
[xcvrd] Tweak some transceiver info key names (#62)

* [Submodule update] sonic-utilities
[sfpshow][mock_state_db] Tweak key names of some transceiver info fields
(sonic-net#958)
[config] Fix syntax error (sonic-net#966)
[config] Fix indentation level in _get_disabled_services_list() (sonic-net#965)

* [Submodule Update] sonic-swss
[aclorch] Use IPv6 Next Header internally for protocol number on MLNX
platform (sonic-net#1343)

* [Submodule Update]
 Add support for attribute capability query in lua script (sonic-net#362)

* Cherry-pick was not clean. Fixing it.
Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

* [telemetry] Call sonic-cfggen Once (sonic-net#4901)

sonic-cfggen call is slow and this is taking place in the SONiC
boot up process. The change uses templates to assemble all required
vars into single template file. With this change, telemetry now calls
once into sonic-cfggen.

signed-off-by: Tamer Ahmed <tamer.ahmed@microsoft.com>

* [mgmt docker] move pycryptodome installation to the end of the docker building (sonic-net#4917)

* [mgmt docker] move pycryptodome installation to the end of the docker building

Signed-off-by: Ying Xie <ying.xie@microsoft.com>

* pin down the version to current: 3.9.8

* comment

* Add support for bcmsh and bcmcmd utlitites in multi ASIC devices (sonic-net#4926)

Signed-off-by: Arvindsrinivasan Lakshmi Narasimhan <arlakshm@microsoft.com>
This PR has changes to support accessing the bcmsh and bcmcmd utilities on multi ASIC devices
Changes done
- move the link of /var/run/sswsyncd from docker-syncd-brcm.mk to docker_image_ctl.j2
- update the bcmsh and bcmcmd scripts to take -n [ASIC_ID] as an argument on multi ASIC platforms

* [caclmgrd] Improve code reuse (sonic-net#4931)

Improve code reuse in `generate_block_ip2me_traffic_iptables_commands()` function.

* [Submodule Update] sonic-utilities
Intf table migration for APP_DB entries during warmboot (sonic-net#980)
[Multi NPU] Time Improvements to the config reload/load_minigraph
commands  (sonic-net#917)

* [Submodule Update] sonic-py-swssdk
 [MultiDB]: use python class composition to avoid confusion in base
class (#74)

* [Submodule update] sonic-snmpagent. Movent to 201911 Branch with with
following PR's :
Implement cbgpPeer2State in CiscoBgp4MIB (#119)
Fix index nodes in LLDP tables whose access right is not-accessible.
(#112)
 Fix quagga/FRR parser on IPv6 BGP sessions (#122)
 [lint] Fix some syntax errors or warnings (#127)
  Update README.md: Add lgtm badges (#128)
  [Multi-asic]: Support multi-asic platform (#126)
  Simplify test code (#132)
  [Multi-asic]: Namespace support for LLDP and Sensor tables (#131)
  Fix undefined variable and warning message (#134)
  Fix SNMP AgentX socket connection timeout when using
  Namespace.get_all() (#140)
  [Namespace] Fix interfaces counters in InterfacesMIB RFC 2863 (#141)
   Fix LGTM reported alert of PR#141 (#142)

* [bgpcfgd] - Fix a key error during delete (sonic-net#4946)

* [Submodule Update] sonic-utilities
 Fix the None Type Exception when Interface Table does not exist (cold
boot) as part of db migration (sonic-net#986)

* Fix the below frr start.sh jija2 exception in 201911 image syslog: (sonic-net#4958)

File "/usr/local/bin/sonic-cfggen", line 380, in <module>
     main()
   File "/usr/local/bin/sonic-cfggen", line 354, in main
     print(template.render(data))
   File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 1090, in render
     self.environment.handle_exception()
   File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 832, in handle_exception
     reraise(*rewrite_traceback_stack(source=source))
   File "<template>", line 1, in top-level template code
   File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 471, in getattr
     return getattr(obj, attribute)
 jinja2.exceptions.UndefinedError: 'WARM_RESTART' is undefined

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

* [Submodule update] sonic-snmpagent
 [201911] Fix interface counters in RFC1213 (#144)

* [docker-ptf] Add support for spytest to ptf container (sonic-net#4410)

- Install apt and pip dependencies
- Define traffic generator service

Signed-off-by: Danny Allen <daall@microsoft.com>

* [arista] update Arista drivers submodules (sonic-net#4967)

Merge most of the changes that recently made it to master.
This will be the last such merge operation and future commits will only cherry-pick fixes and targeted features.

Major fixes and features,
- reboot cause enhancement with more hardware reboot cause reporting
- fix reboot cause parsing issue with 201811 release
- fix get_change_event logic
- fix error message on missing sysfs entry by our plugins
- final piece of the platform refactors for fan and sensor reporting through the platform API

* [201911][devices] Update SFP keys to align with new standard (sonic-net#4976)

Align SFP key names with new standard defined in sonic-net/sonic-platform-common#97

- hardwarerev -> hardware_rev
- serialnum -> serial
- manufacturename -> manufacturer
- modelname -> model
- Connector -> connector

* [201911][sonic-telemetry] Update submodule (sonic-net#4987)

Point submodule to new 201911 branch of sonic-telemetry and update pointer to the current HEAD of the 201911 branch

* src/sonic-telemetry aaa9188...01b5365 (1):
  > [testdata] Update SFP keys to align with new standard (#39)

* [201911][sudoers] Add `sonic_installer list` to read-only commands (sonic-net#4997)

`sonic_installer list` is a read-only command. Specify it as such in the sudoers file.

This will also ensure the new `show boot` command, which calls `sudo sonic_installer list` under the hood doesn't fail due to permissions.

* [caclmgrd] Filter DHCP packets based on dest port only (sonic-net#4995)

Co-authored-by: abdosi <58047199+abdosi@users.noreply.github.com>
Co-authored-by: gracelicd <39251567+gracelicd@users.noreply.github.com>
Co-authored-by: arlakshm <55814491+arlakshm@users.noreply.github.com>
Co-authored-by: Stephen Sun <5379172+stephenxs@users.noreply.github.com>
Co-authored-by: Abhishek Dosi <abdosi@microsoft.com>
Co-authored-by: Tamer Ahmed <tamer.ahmed@microsoft.com>
Co-authored-by: Ying Xie <yxieca@users.noreply.github.com>
Co-authored-by: Joe LeVeque <jleveque@users.noreply.github.com>
Co-authored-by: Prince Sunny <prince.sunny@microsoft.com>
Co-authored-by: Danny Allen <daall@microsoft.com>
Co-authored-by: Samuel Angebault <staphylo@arista.com>