PAN-DB connectivity failed due to the error Failed to send req type[3], curl error

2022-07-12 15:51:57.698 +0000 Error:  pan_mlav_get_metadata(pan_mlav_cloud.c:1669): Failed to send metadata query
2022-07-12 15:51:57.698 +0000 Error:  pan_mlav_check_model(pan_mlav_cloud.c:1907): Failed to get metadata from cloud
2022-07-12 15:51:57.698 +0000 Error:  pan_mlav_req_handler(pan_mlav_cloud.c:2029): meta download s_connection_tries [10]
2022-07-12 15:51:57.698 +0000 Error:  pan_mlav_req_handler(pan_mlav_cloud.c:2047): s_connection_tries [10], query[good], upload[good], meta[bad]
2022-07-12 15:51:57.698 +0000 MLAV cloud error, will try in 15 minutes
2022-07-12 15:53:40.900 +0000 Warning:  pan_cloud_send_classify_rqst_msg(pan_cloud_agent_connect.c:2892): Failed to send message to the cloud (ERROR: (1) Couldn't resolve host name), an election process will start immediately.
2022-07-12 15:53:41.900 +0000 path : https://s0000.urlcloud.paloaltonetworks.com/urlcloud_list, path
2022-07-12 15:53:41.908 +0000 pandb use thermite client cert
2022-07-12 15:53:41.912 +0000 =======================================
2022-07-12 15:53:41.912 +0000 Cloud 
2022-07-12 15:53:41.912 +0000 URL https://s0000.urlcloud.paloaltonetworks.com/urlcloud_list IP 
2022-07-12 15:53:41.912 +0000 Source IP 10.53.234.100
2022-07-12 15:53:41.912 +0000 name lookup time 0.000000 second
2022-07-12 15:53:41.912 +0000 connect time 0.000000 second
2022-07-12 15:53:41.912 +0000 ssl connect time 0.000000 second
2022-07-12 15:53:41.912 +0000 total time 0.000054 second
2022-07-12 15:53:41.912 +0000 server certificate chain: 0 certinfo(s)
2022-07-12 15:53:41.912 +0000 curl error: Could not resolve host: s0000.urlcloud.paloaltonetworks.com
2022-07-12 15:53:41.912 +0000 =======================================
2022-07-12 15:53:41.912 +0000 Perform download from cloud with result Couldn't resolve host name.
2022-07-12 15:53:41.912 +0000 Error:  pan_cloud_agent_download_cloud_list(pan_cloud_agent_connect.c:1454): PAN-DB cloud list loading failed (ERROR:Couldn't resolve host name).