Constant libnghttp2_sys::NGHTTP2_ERR_FLOODED

pub const NGHTTP2_ERR_FLOODED: nghttp2_error = -904;

Possible flooding by peer was detected in this HTTP/2 session. Flooding is measured by how many PING and SETTINGS frames with ACK flag set are queued for transmission. These frames are response for the peer initiated frames, and peer can cause memory exhaustion on server side to send these frames forever and does not read network.