grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that terminated with:
    status = StatusCode.UNAVAILABLE
    details = "errors resolving 2001:db8::1:57400: [field:hostname lookup error:address lookup failed for 2001:db8::1:57400: Domain name not found]"
    debug_error_string = "UNKNOWN:Error received from peer  {created_time:"2025-02-21T15:46:41.57215963-08:00", grpc_status:14, grpc_message:"errors resolving 2001:db8::1:57400: [field:hostname lookup error:address lookup failed for 2001:db8::1:57400: Domain name not found]"}"

The SSL certificate cannot be retrieved from ('[2001:db8::1]', '57400')
Traceback (most recent call last):
  File "<REDACTED>/pygnmi/client.py", line 145, in connect
    ssl_cert = ssl.get_server_certificate(
  File "<REDACTED>/lib/python3.10/ssl.py", line 1523, in get_server_certificate
    with create_connection(addr, timeout=timeout) as sock:
  File "<REDACTED>/lib/python3.10/socket.py", line 824, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "<REDACTED>/lib/python3.10/socket.py", line 955, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known