how to get the logs of bmv2 switches in mininet (docker )?

[LoserFeng]

I'am writing a ONOS APP and i try it in this tutorial's environment ,everything seems to be OK in the onos-log,but when i try to ping ,it doesn't work, i hope to inspect the bmv2 switch to figure out the problem,but the enviroment is in Docker so i don't know how to get the log of bmv2 switch .........QAQ

[swapniil]

Those are in /tmp/ directory inside ngsdn container.
If you want to access from host then there is a ./tmp/ directory inside ngsdn-tutorial/, You can see all the log files there.