vnic_intr_alloc
err = vnic_intr_alloc(enic->vdev, &enic->intr[i], i);
int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
err = vnic_intr_alloc(fnic->vdev, &fnic->intr[i], i);
int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,