Fix issues for sonic_installer upgrade-docker and sonic_installer rollback-docker#2278

Merged

qiluo-msft merged 4 commits intosonic-net:masterfrom Junchao-Mellanox:fix-upgrade-docker-1

Aug 8, 2022

+142-25

Commits on Jul 20, 2022

Fix issues for sonic_installer upgrade-docker and sonic_installer rollback-docker
Junchao-Mellanox
committed

Commits on Jul 21, 2022

Allow mgmt-framework to be warm restart
Junchao-Mellanox
committed

Commits on Aug 5, 2022

Fix review comment and add unit test
Junchao-Mellanox
committed

Commits on Aug 8, 2022

Improve coverage
Junchao-Mellanox
committed