CARP_VHAF_OWNER
if (carpa[i].carpa_flags & CARP_VHAF_OWNER)
KASSERT((vha->vha_flags & CARP_VHAF_OWNER) == 0,
vha->vha_flags |= CARP_VHAF_OWNER;
KASSERT((vha->vha_flags & CARP_VHAF_OWNER) == 0,
vha->vha_flags &= ~CARP_VHAF_OWNER;