Do a safety check before calling close on the zeroconf service.
Do a safety check before calling close on the zeroconf service.

indirectlylit/kolibri,indirectlylit/kolibri,learningequality/kolibri,indirectlylit/kolibri,learningequality/kolibri,mrpau/kolibri,indirectlylit/kolibri,mrpau/kolibri,mrpau/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri