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an Initialize a synchronization context.
1) Ensure that the socket directory exists.
2) Bind a socket for each stage.
Binding the sockets on initialization allows receipt of stage
"start" notifications prior to the cloud-init stage being ready to
start.
:param names: stage names, used as a unique identifiers
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z.Notify the socket that this stage is complete.z,Completed socket interaction for boot stage r
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