Here is the error:

[2019/10/17 13:09:49.711964] infoblox.localdomain (DEBUG): Sending a 'GET' request within connection: protocol='https', host='xx.xx0.199', port='443', path='/wapi/v2.7/discovery:device?address=xx.xx.xxx.111&_return_fields=name,description,os_version,chassis_serial_number,model,ms_ad_user_data,type,vendor,interfaces', headers={'Content-Type': 'application/json', 'Cookie': '[*********]', 'Accept': 'application/json', 'Authorization': '[*********]'}, body='(no body)'.
[2019/10/17 13:09:49.712043] infoblox.localdomain (DEBUG): Request timeout is 30
[2019/10/17 13:10:19.828025] infoblox.localdomain (ERROR): Socket error during communication with external server: The read operation timed out
[2019/10/17 13:10:19.849726] infoblox.localdomain (DEBUG): Request execution failed. retry

Are you running it on GMC? Can GMC communicate with GM via 443/tcp (https)? 

Vadim