Libp2p peer reconnect problem

Reproduction

1. npm i
2. npm run relay
3. npm run alice
4. npm run bob
5. wait until peers connects to each other:

Alice:

Connected to 12D3KooWFYyvJysHGbbYiruVY8bgjKn7sYN9axgbnMxrWVkGXABF

Bob:

Connected to 12D3KooWLV3w42LqUb9MWE7oTzG7vwaFjPw9GvDqmsuDif5chTn9

6. wait for ~30 seconds for reconnect:

Alice:

Disconnected from 12D3KooWFYyvJysHGbbYiruVY8bgjKn7sYN9axgbnMxrWVkGXABF
disconnected after: 29.936s
Connected to 12D3KooWFYyvJysHGbbYiruVY8bgjKn7sYN9axgbnMxrWVkGXABF
reconnected after: 142.009ms

Bob:

Disconnected from 12D3KooWLV3w42LqUb9MWE7oTzG7vwaFjPw9GvDqmsuDif5chTn9
disconnected after: 29.938s
Connected to 12D3KooWLV3w42LqUb9MWE7oTzG7vwaFjPw9GvDqmsuDif5chTn9
reconnected after: 127.931ms