Fix/cache containers dicsovering regression
What does this MR do?
Fixes a regression introduced while switching to github.com/docker/docker/client
library.
Why was this MR needed?
Pleas read #2276 (closed) for a reference.
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
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Documentation created/updated - Tests
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Added for this feature/bug -
All builds are passing
-
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Branch has no merge conflicts with master
(if you do - rebase it please)
What are the relevant issue numbers?
Fixes #2276 (closed)