ipactl restart: log httplib failues as debug
There are several excerptions ConnectionRefusedError raised
before ipactl is able to connect to dogtag after restart. These
exception should be logged on debug level until timeout is reached.
https://fedorahosted.org/freeipa/ticket/6674
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>