The negative path, e.g. not in a cgroup is problematic since there can be different log messages and thus is not working and that test part is mostly useless.
            
- duplicates
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                    JDK-8203691 [TESTBUG] Test /runtime/containers/cgroup/PlainRead.java fails -           
- Resolved
 
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- relates to
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                    JDK-8203357 Container Metrics -           
- Resolved
 
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