2019/12/09 06:39:14 [INFO] [v.xxx.cf] acme: Obtaining bundled SAN certificate
2019/12/09 06:39:15 [INFO] [v.xx.cf] acme: Obtaining bundled SAN certificate
2019/12/09 06:39:16 [INFO] [v.xx.cf] acme: Obtaining bundled SAN certificate
2019/12/09 06:39:17 [INFO] [v.x.xcf] acme: Obtaining bundled SAN certificate
2019/12/09 06:39:19 [INFO] [v.x.xcf] acme: Obtaining bundled SAN certificate
2019/12/09 06:39:20 failed to obtain certificate: acme: error: 429 :: POST :: https://acme-v02.api.letsencrypt.org/acme/new-order :: urn:ietf:params:acme:error:rateLimited :: Error creating new order :: too many failed authorizations recently: see https://letsencrypt.org/docs/rate-limits/, url: