Description TBA, but we observed my errors coming from this host in
https://logstash.wikimedia.org/goto/7b7aea332f2a58897aa63d2943eb69f1
```
TypeError: "value" argument is out of bounds
at checkInt (buffer.js:1041:11)
at Buffer.writeInt32BE (buffer.js:1244:5)
at HTCPPurger._constructHTCPRequest (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/htcp-purge/index.js:98:16)
at P.all.urls.map (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/htcp-purge/index.js:57:35)
at Array.map (native)
at HTCPPurger.purge (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/htcp-purge/index.js:56:27)
at PurgeService.purge (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/src/sys/purge.js:37:28)
at tryCatcher (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/bluebird/js/release/util.js:16:23)
at /srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/bluebird/js/release/method.js:15:34
at handlerWrapper (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/hyperswitch.js:422:37)
at next (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/hyperswitch.js:408:42)
at Object.module.exports [as filter] (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/filters/validator.js:272:12)
at handlerWrapper (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/hyperswitch.js:420:27)
at next (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/hyperswitch.js:408:42)
at Object.module.exports [as filter] (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/filters/metrics.js:16:12)
at handlerWrapper (/srv/deployment/changeprop/deploy-cache/revs/c25a1c25ca9eb8d4a7c1459add82849b16f665b3/node_modules/hyperswitch/lib/hyperswitch.js:420:27)
```
Host is depooled