Chery pick of azure master PR # 16026#75

Merged

abdosi merged 3 commits intoAzure:202205from

Aug 7, 2023

Commits on Aug 7, 2023

[YANG] add yang model for `MUX_LINKMGR|MUXLOGGER` (#15884) (#16021)

mssonicbld
and
zjswhhh
authored
Fix the Loopback0 IPv6 address of LC's in chassis not reachable from (#16026)
abdosi
committed
Revert "[YANG] add yang model for `MUX_LINKMGR|MUXLOGGER` (#15884) (#16021)"
abdosi
committed