NONFATAL
rarperr(NONFATAL, "BIOCSBLEN:%d: %s", bufsize, strerror(errno));
rarperr(NONFATAL, "truncated request");
rarperr(NONFATAL, "truncated request");
rarperr(NONFATAL, "request fails sanity check");
rarperr(NONFATAL, "ether/arp sender address mismatch");
rarperr(NONFATAL, "ether/arp target address mismatch");
rarperr(NONFATAL, "cannot find %s on net %s",
rarperr(NONFATAL, "SIOCSARP: %s", strerror(errno));
rarperr(NONFATAL, "write: only %d of %d bytes written", n, len);