[[求助]] Unacceptable TLS certificate

Unacceptable TLS certificate
什么原因？
以下已安装。
local/ca-certificates 20150402-1
Common CA certificates (default providers)
local/ca-certificates-cacert 20140824-2
CAcert.org root certificates
local/ca-certificates-mozilla 3.23-3
Mozilla's set of trusted CA certificates
local/ca-certificates-utils 20150402-1
Common CA certificates (utilities)