nvmet_aen_bit_disabled
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_NS_ATTR))
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_ANA_CHANGE))
if (nvmet_aen_bit_disabled(ctrl, NVME_AEN_BIT_DISC_CHANGE))