sometimes getting ws exception EADDRNOTAVAIL on PeerGroup shutdown

[dimxy]

Saw this in normaltx.js after await sleep(10k):

2022-07-05T10:00:24.939Z net:peer peer disconnecting... x://177.54.147.50:29404
2022-07-05T10:00:24.939Z net:peergroup:error peer is to disconnect, reason=Error: PeerGroup closing, left peer.length = 0
2022-07-05T10:00:24.939Z net:peer peer disconnecting... x://135.148.54.137:29404
2022-07-05T10:00:24.939Z net:peergroup finished, peers.length: 0
test finished
2022-07-05T10:00:24.941Z net:peergroup discovery connection error: Error: read EADDRNOTAVAIL
2022-07-05T10:00:24.941Z net:peergroup waiting for 10000 ms before connection retry
Waiting for the debugger to disconnect...
node:events:368
      throw er; // Unhandled 'error' event
      ^

Error: read EADDRNOTAVAIL
    at TCP.onStreamRead (node:internal/stream_base_commons:220:20)
    at TCP.callbackTrampoline (node:internal/async_hooks:130:17)
Emitted 'error' event on Peer instance at:
    at Peer._error (/Users/dimxy/repo/bitgo-komodo-cc-lib/net/peer.js:171:10)
    at Socket.emit (node:events:402:35)
    at emitErrorNT (node:internal/streams/destroy:157:8)
    at emitErrorCloseNT (node:internal/streams/destroy:122:3)
    at processTicksAndRejections (node:internal/process/task_queues:83:21) {
  errno: -49,
  code: 'EADDRNOTAVAIL',
  syscall: 'read'
}

Looks like discovery connection did not stop properly.
Connections were initially to non-local seeds