After some db calls, we have to restart our Go backend:

Message: read tcp 127.0.0.1:50743->127.0.0.1:27017: i/o timeout

MongoDB 3.4.10
Go 1.9.2 windows/amd64
github.com/globalsign/mgo 5be15cc

I think it was ok with:
MongoDB 3.2.16
github.com/globalsign/mgo c4a7121
Go 1.9.1 Alpine 3.6