pmm instance down ?

Percona Monitoring and Management (PMM) PMM 1.x
5
  1. the sockets continues to increase and server becomes unavailable.
  2. tls errors and down status.
    3, prometheus/targets → Get [URL]http://localhost:9100/metrics:[/URL] dial tcp [::1]:9100: i/o timeout
  3. if i access the endpoint using curl then i can see ssl error.

netstat
tcp 132 0 172.17.0.1:42003 172.17.0.2:35546 ESTABLISHED off (0.00/0/0)
tcp 0 0 172.17.0.1:42010 172.17.0.2:46726 ESTABLISHED keepalive (73.38/0/0)
tcp 0 0 172.17.0.1:42002 172.17.0.2:41970 ESTABLISHED keepalive (30.89/0/0)
tcp 132 0 172.17.0.1:42006 172.17.0.2:43960 ESTABLISHED off (0.00/0/0)
tcp 0 0 172.17.0.1:42011 172.17.0.2:56352 ESTABLISHED keepalive (87.72/0/0)
tcp 0 0 172.17.0.1:42003 172.17.0.2:53234 ESTABLISHED keepalive (120.49/0/0)
tcp 132 0 172.17.0.1:42005 172.17.0.2:47648 ESTABLISHED off (0.00/0/0)
tcp 0 0 172.17.0.1:42007 172.17.0.2:33106 ESTABLISHED keepalive (176.81/0/0)
tcp 0 0 172.17.0.1:42007 172.17.0.2:36374 ESTABLISHED keepalive (99.49/0/0)
tcp 0 0 172.17.0.1:42002 172.17.0.2:47632 ESTABLISHED keepalive (81.06/0/0)
tcp 132 0 172.17.0.1:42009 172.17.0.2:46248 ESTABLISHED off (0.00/0/0)
tcp 132 0 172.17.0.1:42008 172.17.0.2:32788 ESTABLISHED off (0.00/0/0)