Coverage decreased (-0.2%) to 76.009% when pulling abc408cf7e5ae8ff6eb09adf93330b201dd7551c on limfriend:patch-1 into d91d7072e141fa66265946b5164c249bf3045017 on opentracing:master.
It's a log field, not a tag.
'error.kind' is very important , we should be easy to search and stat it. it is difficulty to search when ''error.kind' is log field
add tag 'error_kind'