* Update libp2p
* Some more diagnostics
* 30 seconds back to 5 seconds
* Bump libp2p-core and improve test
* Fix runtime Cargo.lock
* More work
* Finish upgrade to libp2p 0.3
* Add a maximum of 60 seconds for the rounds
* Remove env_logger
* Update Cargo.lock
* Update Cargo.lock in test-runtime
* Fix test compilation
* Make the test pass
* Add identify addresses to Kademlia
* Don't connect to nodes we're already connected to
* Add warning for non-Substrate nodes
* Fix external address not added
* Start in Enabled mode