fix(logcollector): Change log level message
fix(logcollector): Change log level message

For some jobs, logcollector don't collect logs for monitoring
and loader clusters. Main reason is appropriate nodes was terminated
by aws termination.
Added new log message priority to and message list for future investigation

scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests