NLB cluster %2]: Host %5 converged with legacy host(s)%3. This is expected during rolling upgrades. Until all hosts are upgraded ...

NLB cluster [%2]: Host %5 converged with legacy host(s)%3. This is expected during rolling upgrades. Until all hosts are upgraded to the latest version, newer NLB features will not be available for use. Please upgrade all hosts to the latest OS version.