Error response from daemon: Get https://registry-1.docker.io/v2/: proxyconnect tcp: dial tcp: lookup proxy.example.com on 168.63.129.16:53: no such host
Error response from daemon: Get https://registry-1.docker.io/v2/: proxyconnect tcp: dial tcp: lookup proxy.example.com on 168.63.129.16:53: no such host