The post-send sent_at change does shift the upstream IPDV component's endpoint, since ReplySample copies sent_at into client_send_mono/wall for send_ipdv_ns. Document the shift instead of claiming IPDV is unaffected.
The post-send sent_at change does shift the upstream IPDV component's endpoint, since ReplySample copies sent_at into client_send_mono/wall for send_ipdv_ns. Document the shift instead of claiming IPDV is unaffected.