Version 1.15.0 will initialize and make API calls. Any newer version fails without making any API calls. Logs below for version 2.1.3:
finest: socket 423 opened
fine: [f5-cloud-failover] HTTP Request - POST /declare
fine: [f5-cloud-failover] Successfully validated declaration
info: [f5-cloud-failover] Global logLevel set to 'silly'
finest: [f5-cloud-failover] Modifying existing data group f5-cloud-failover-state with body {"name":"f5-cloud-failover-state","type":"string","records":{Redacted}
info: [f5-cloud-failover] Successfully wrote Failover trigger scripts to filesystem
finest: [f5-cloud-failover] Device initialization complete
finest: [f5-cloud-failover] Fetched proxy settings:
finest: [f5-cloud-failover] {"protocol":"http","host":"","port":"8080","username":"","password":"********"}
finest: socket 423 closed