/* iface DUID iaid hostname lifetime assigned length [addrs...] */
ctxt.buf_idx = snprintf(ctxt.buf, ctxt.buf_len, "# %s %s ipv4 %s %ld %x 32 ",
ctxt.iface->ifname, duidbuf,
/* iface DUID iaid hostname lifetime assigned length [addrs...] */
ctxt.buf_idx = snprintf(ctxt.buf, ctxt.buf_len, "# %s %s ipv4 %s %ld %x 32 ",
ctxt.iface->ifname, duidbuf,