DNSSEC: prevent ipa-ods-exporter from looping after service auto-restart
It might happen that systemd will restart the service even if there is
no incomming connection to service socket. In that case we want to exit
because HSM synchronization is done before socket.accept() and we want
to synchronize HSM and DNS zones at the same time.
Reviewed-By: Martin Basti <email@example.com>
Reviewed-By: Oleg Fayans <firstname.lastname@example.org>