if (addr[i].addr.s6_addr32[0] != iface->ia_addr[i].addr.s6_addr32[0] ||
addr[i].addr.s6_addr32[1] != iface->ia_addr[i].addr.s6_addr32[1] ||
(addr[i].preferred > 0) != (iface->ia_addr[i].preferred > 0) ||
if (addr[i].addr.s6_addr32[0] != iface->ia_addr[i].addr.s6_addr32[0] ||
addr[i].addr.s6_addr32[1] != iface->ia_addr[i].addr.s6_addr32[1] ||
(addr[i].preferred > 0) != (iface->ia_addr[i].preferred > 0) ||