Allow chained network namespace containers #4629
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The code currently assumes that the container we delegate network namespace to will never further delegate to another container, so when looking up things like /etc/hosts and /etc/resolv.conf we won't pull the correct files from the chained dependency. The changes to resolve this are relatively simple - just need to keep looking until we find a container without NetNsCtr set. Fixes containers#4626 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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The code currently assumes that the container we delegate network namespace to will never further delegate to another container, so when looking up things like /etc/hosts and /etc/resolv.conf we won't pull the correct files from the chained dependency. The changes to resolve this are relatively simple - just need to keep looking until we find a container without NetNsCtr set.
Fixes #4626