Merge commit 'dbc5ba438f91d955d135d880800f83496a660b84' into dev

LTY252628

2022-02-22 9b72441340ad0ad570ebc421335a60cf29b8d9fa

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HAND_SHAKE_MAGIC = b"\x01\x09\x08\x09\x01\x00\x02\x02" 
HEADER_MAGIC = b"\x02\x01\x04\x03\x06\x05\x08\x07"