dynamic $ $.$replaceString.peers[*].server state 1 active 2 requests 3 received 10 KBPS sent 11 KBPS fails 12 unavail 13 backup 18 total 4 1xx 5 2xx 6 3xx 7 4xx 8 5xx 9 checks 14 fails 15 unhealthy 16 last_passed 17