improve: log error in NodeExecutor #6049

Job	Run time
sample_operators_tests (sample-operators/leader-election)	3m 25s
sample_operators_tests (sample-operators/tomcat-operator)	2m 53s
sample_operators_tests (sample-operators/mysql-schema)	2m 49s
sample_operators_tests (sample-operators/webpage)	3m 19s
	12m 26s

Provide feedback