[pull] master from Azure:master#1470

Merged

pull[bot] merged 6 commits intomudsut4ke:masterfrom

sonic-net:master

Mar 28, 2021

Commits on Mar 28, 2021

[sflow] Update version of hsflowd (#7137)
maksymbelei95
authored
[broadcom]: Updated bcmsai to 4.3.3.3 (#7090)
vmittal-msft
authored
[dockers][supervisor] Increase event buffer size for process exit listener; Set all event buffer sizes to 1024 (#7083)
jleveque
authored
[sonic-yang-model] fix ip_type value in test cases (#6968)
dzhangalibaba
authored
[yang-models]: Remove PLY Extensions and change translation code. (#6915)

Praveen Chaudhary
and
lguohan
authored
[yang]: SONiC Yang model for PORTCHANNEL_INTERFACE table (#7034)
ArthiSivanantham
authored