Why I did it Add the missing debian source bullseye-updates/buster-updates The build failure as below, it is caused by the docker image debian:bullseye used the version 2.31-13+deb11u5, but the version only available in bullseye-update.
* [slave-bullseye]: Remove Python 2 It shouldn't be needed anymore. Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com> * [dockers]: Add docker-base-bullseye and docker-config-engine-bullseye Also upgrade socat from 1.7.3.1 to 1.7.4.1 Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>