Fix nodehealth silently ignoring errors
Fix nodehealth silently ignoring errors

nodehealth command did not act on errors.  Add a clause
to handle that data.

chenglch/confluent,jufm/confluent,michaelfardu/thinkconfluent,jjohnson42/confluent,chenglch/confluent,chenglch/confluent,michaelfardu/thinkconfluent,whowutwut/confluent,jufm/confluent,jjohnson42/confluent,whowutwut/confluent,jufm/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,michaelfardu/thinkconfluent,whowutwut/confluent,michaelfardu/thinkconfluent,xcat2/confluent,jjohnson42/confluent,jufm/confluent,michaelfardu/thinkconfluent,xcat2/confluent,chenglch/confluent,chenglch/confluent,xcat2/confluent,jufm/confluent,xcat2/confluent