[  753.628305][T13732] netconsole selftest: netcons_NBbdb
[  757.425029][T13732] netconsole selftest: netcons_NBbdb
[  761.256149][T13732] netconsole selftest: netcons_NBbdb
[  765.101907][T13732] netconsole selftest: netcons_NBbdb