AB-6011 stream_keepalive_lost
| Class | Harness |
| HTTP status | n/a (ws) |
| Retryable | yes |
When it happens
Client missed 3 pings; server closed the stream.
Hint
Stream closed after missed keepalives. Reconnecting.
Troubleshooting
Automatic. Persistent recurrence indicates a proxy with idle timeouts; the sidecar falls back to long-poll.