Ingresses
Create an ingress rule
POST/zones/{zone_id}/intel/sinkholes/{sinkhole_id}/ingresses
Get an ingress rule
GET/zones/{zone_id}/intel/sinkholes/{sinkhole_id}/ingresses/{ingress_id}
Update an ingress rule
PUT/zones/{zone_id}/intel/sinkholes/{sinkhole_id}/ingresses/{ingress_id}
Delete an ingress rule
DELETE/zones/{zone_id}/intel/sinkholes/{sinkhole_id}/ingresses/{ingress_id}