root@testmaskin:~# mosquitto_pub -t hello -m world -d -h nm.129-151-201-102.nip.io -p 8883 --cafile /etc/netclient/broker.nm.129-151-201-102.nip.io/root.pem --cert /etc/netclient/broker.nm.129-151-201-102.nip.io/client.pem --key /etc/netclient/client.key Client mosq-Fw38cKABMOwhUpj3q2 sending CONNECT Error: host name verification failed. OpenSSL Error[0]: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed Error: A TLS error occurred.