Not sure if it's of help but when the script is running and Chrome is open, this gets written to the console (which I believe is not captured in the log for some reason)
[AsyncHttpClient-3-1] DEBUG org.asynchttpclient.netty.channel.ChannelManager - Adding key:
http://localhost:11624 for channel [id: 0x320545e6, L:/
127.0.0.1:59248 - R:localhost/
127.0.0.1:11624]
[AsyncHttpClient-timer-1-1] DEBUG org.asynchttpclient.netty.channel.DefaultChannelPool - Entry count for :
http://localhost:45231 : 1
[AsyncHttpClient-timer-1-1] DEBUG org.asynchttpclient.netty.channel.DefaultChannelPool - Entry count for :
http://localhost:11624 : 1
[Forwarding findElements on session b41a30c970c711a4a91f4b11f2f56284 to remote] DEBUG org.asynchttpclient.netty.request.NettyRequestSender - Using pooled Channel '[id: 0x320545e6, L:/
127.0.0.1:59248 - R:localhost/
127.0.0.1:11624]' for 'POST' to '
http://localhost:11624/session/b41a30c970c711a4a91f4b11f2f56284/elements'
[Forwarding findElements on session b41a30c970c711a4a91f4b11f2f56284 to remote] DEBUG org.asynchttpclient.netty.request.NettyRequestSender - Using open Channel [id: 0x320545e6, L:/
127.0.0.1:59248 - R:localhost/
127.0.0.1:11624] for POST '/session/b41a30c970c711a4a91f4b11f2f56284/elements'
[AsyncHttpClient-3-1] DEBUG org.asynchttpclient.netty.handler.HttpHandler -
Request DefaultHttpRequest(decodeResult: success, version: HTTP/1.1)
POST /session/b41a30c970c711a4a91f4b11f2f56284/elements HTTP/1.1
User-Agent: selenium/4.0.0-alpha-5 (java unix)
Content-Length: 46
Content-Type: application/json; charset=utf-8
host: localhost:11624
accept: */*
Response DefaultHttpResponse(decodeResult: success, version: HTTP/1.1)
HTTP/1.1 200 OK
Content-Length: 12
Content-Type: application/json; charset=utf-8
cache-control: no-cache