NA CCI: fix error handling when cci_connect() fails (close #206)
NA CCI: fix error handling when cci_connect() fails (close #206)

Co-authored-by: Marc Vef <5cdacb2d6ae58cc97378f47da898cdc2aae0b480@uni-mainz.de>

mercury-hpc/mercury,mercury-hpc/mercury,mercury-hpc/mercury,mercury-hpc/mercury