Network lifecycle events handler

def _network_event_lifecycle_cb(conn, net, event, detail, opaque):
    '''
    Network lifecycle events handler
    '''

    _salt_send_event(opaque, conn, {
        'network': {
            'name': net.name(),
            'uuid': net.UUIDString()
        },
        'event': _get_libvirt_enum_string('VIR_NETWORK_EVENT_', event),
        'detail': 'unknown'  # currently unused
    })