261 void trace(int, const char *, ...)
775 					trace(2, "    NextHop reset");  in ripflush()
777 					trace(2, "    NextHop %s",  in ripflush()
781 				trace(2, "    %s/%d[%d]",  in ripflush()
786 				trace(2, "  tag=0x%04x",  in ripflush()
789 			trace(2, "\n");  in ripflush()
1087 		trace(1, "sendmsg: %s\n", strerror(errno));  in sendpacket()
1146 				trace(1,  in riprecv()
1155 				trace(1,  in riprecv()
1165 		trace(1, "Packet too short\n");  in riprecv()
1177 		trace(1, "IPv6 packet information cannot be retrieved\n");  in riprecv()
1188 		trace(1, "Incorrect RIP version %d\n", rp->rip6_vers);  in riprecv()
1202 		trace(1, "Response from non-ll addr: %s\n",  in riprecv()
1207 		trace(1, "Response from non-rip port from %s\n",  in riprecv()
1212 		trace(1,  in riprecv()
1230 		trace(1,  in riprecv()
1241 		trace(1, "Packets to unknown interface index %d\n", idx);  in riprecv()
1247 		trace(1, "Invalid command %d\n", rp->rip6_cmd);  in riprecv()
1265 				trace(1, "\tNexthop: %s\n", inet6_n2p(&nh));  in riprecv()
1268 				trace(1, "\tNexthop: %s\n", inet6_n2p(&nh));  in riprecv()
1271 				trace(1, "\tInvalid Nexthop: %s\n",  in riprecv()
1277 			trace(1, "\tMulticast netinfo6: %s/%d [%d]\n",  in riprecv()
1283 			trace(1, "\tLoopback netinfo6: %s/%d [%d]\n",  in riprecv()
1289 			trace(1, "\tLink Local netinfo6: %s/%d [%d]\n",  in riprecv()
1296 			trace(1, "\tSite Local netinfo6: %s/%d [%d]\n",  in riprecv()
1301 		trace(2, "\tnetinfo6: %s/%d [%d]",  in riprecv()
1305 			trace(2, "  tag=0x%04x", ntohs(np->rip6_tag) & 0xffff);  in riprecv()
1310 				trace(2, " [junk outside prefix]");  in riprecv()
1334 			trace(2, "  (filtered)\n");  in riprecv()
1338 		trace(2, "\n");  in riprecv()
1485 		trace(1, "\tRIP Request\n");  in riprequest()
1497 	trace(1, "\tRIP Request -- whole routing table\n");  in riprequest()
1544 			trace(1, "newif %s <%s>\n", ifcp->ifc_name,  in ifconfig()
1551 				trace(1, "%s: <%s> -> ", ifcp->ifc_name,  in ifconfig()
1553 				trace(1, "<%s>\n", ifflags(ifa->ifa_flags));  in ifconfig()
1571 			trace(1, "join %s %s\n", ifcp->ifc_name, RIP6_DEST);  in ifconfig()
1629 		trace(1, "found address %s/%d -- %s\n",  in ifconfig1()
1632 		trace(1, "found address %s/%d\n",  in ifconfig1()
1649 		trace(1, "\tindex: %d, mtu: %d, metric: %d\n",  in ifconfig1()
1712 		trace(1, "short read from rtsock: %d (should be > %lu)\n",  in rtrecv()
1732 			trace(1, "bogus rtmsg: length=%d\n",  in rtrecv()
1768 				trace(1, "unexpected rtmsg version %d "  in rtrecv()
1775 				trace(1, "rtmsg looped back to me, ignored\n");  in rtrecv()
1789 		trace(1, "rtsock: %s (addrs=%x)\n",  in rtrecv()
1820 			trace(1, "\tnothing to be done, ignored\n");  in rtrecv()
1826 			trace(1, "\tno destination, ignored\n");  in rtrecv()
1830 			trace(1, "\taf mismatch, ignored\n");  in rtrecv()
1834 			trace(1, "\tlinklocal destination, ignored\n");  in rtrecv()
1838 			trace(1, "\tloopback destination, ignored\n");  in rtrecv()
1842 			trace(1, "\tmulticast destination, ignored\n");  in rtrecv()
1861 				trace(1, "\tsome of dst/gw/netamsk are "  in rtrecv()
1871 				trace(1, "\tsome of dst/gw/netamsk are "  in rtrecv()
1882 			trace(1, "\tnot supported yet, ignored\n");  in rtrecv()
1886 				trace(1, "\tno netmask or ifa given, ignored\n");  in rtrecv()
1894 				trace(1, "\tinvalid ifam_index %d, ignored\n",  in rtrecv()
1906 		trace(1, "rtsock: reconfigure interfaces, refresh interface routes\n");  in rtrecv()
1928 		trace(1, "rtsock: read routing table again\n");  in rtrecv()
1949 		trace(1, "\tother AF, ignored\n");  in rt_del()
1955 		trace(1, "\taddress %s not interesting, ignored\n",  in rt_del()
1972 		trace(1, "\t%s is an interface route, guessing prefixlen\n",  in rt_del()
1988 			trace(1, "\tno matching interface route found\n");  in rt_del()
1994 		trace(1, "\tunsupported af: (gw=%d)\n", sgw->sin6_family);  in rt_del()
1998 	trace(1, "\tdeleting %s/%d ", inet6_n2p(dst), prefix);  in rt_del()
1999 	trace(1, "gw %s\n", inet6_n2p(gw));  in rt_del()
2006 	trace(1, "\tfind route %s/%d\n", inet6_n2p(&ni6.rip6_dest),  in rt_del()
2009 		trace(1, "\tno route found\n");  in rt_del()
2014 		trace(1, "\tyou can delete static routes only\n");  in rt_del()
2018 		trace(1, "\tgw mismatch: %s <-> ",  in rt_del()
2020 		trace(1, "%s\n", inet6_n2p(gw));  in rt_del()
2022 		trace(1, "\troute found, age it\n");  in rt_del()
2048 		trace(1, "\tother AF, ignored\n");  in rt_deladdr()
2054 	trace(1, "\tdeleting %s/%d from %s\n",  in rt_deladdr()
2058 		trace(1, "\tno matching ifa found for %s/%d on %s\n",  in rt_deladdr()
2063 		trace(1, "\taddress table corrupt: back pointer does not match "  in rt_deladdr()
2075 	trace(1, "\tfind interface route %s/%d on %d\n",  in rt_deladdr()
2083 			trace(1, "\troute found, age it\n");  in rt_deladdr()
2090 			trace(1, "\tnon-interface route found: %s/%d on %d\n",  in rt_deladdr()
2096 		trace(1, "\tno interface route found\n");  in rt_deladdr()
2103 		trace(1, "\tfind p2p route %s/%d on %d\n",  in rt_deladdr()
2110 				trace(1, "\troute found, age it\n");  in rt_deladdr()
2118 				trace(1, "\tnon-p2p route found: %s/%d on %d\n",  in rt_deladdr()
2124 			trace(1, "\tno p2p route found\n");  in rt_deladdr()
2157 			trace(1, "route: %s on %s: "  in ifrt()
2165 			trace(1, "route: %s: skip unspec interface address\n",  in ifrt()
2172 			trace(1, "route: %s: skip loopback address\n",  in ifrt()
2200 						trace(1, "route: %s/%d: "  in ifrt()
2212 			trace(1, "route: %s/%d: register route (%s)\n",  in ifrt()
2359 				trace(1, "route: %s: skip unspec/linklocal "  in ifrt_p2p()
2376 				trace(1, "route: %s/%d: register route "  in ifrt_p2p()
2388 				trace(1, "route: %s/%d: update (%s on %s%s)\n",  in ifrt_p2p()
2394 					trace(1, "route: %s/%d: "  in ifrt_p2p()
2730 			trace(1, "route: %s/%d flags %s: already registered\n",  in rt_entry()
2749 	trace(1, "route: %s/%d flags %s",  in rt_entry()
2751 	trace(1, " gw %s", inet6_n2p(&rrt->rrt_gw));  in rt_entry()
2758 		trace(1, " not configured\n");  in rt_entry()
2762 	trace(1, " if %s sock %d", ifname, ifindex);  in rt_entry()
2765 	trace(1, "\n");  in rt_entry()
2771 		trace(0, "***** Gateway %s is not a link-local address.\n",  in rt_entry()
2773 		trace(0, "*****     dest(%s) if(%s) -- Not optimized.\n",  in rt_entry()
2784 		trace(1, "route: %s/%d flags %s: replace new route\n",  in rt_entry()
2852 		trace(0, "ADD: Route already exists %s/%d gw %s\n",  in addroute()
2858 		trace(0, "Can not write to rtsock (addroute): %s\n",  in addroute()
2918 		trace(0, "RTDEL: Route does not exist: %s/%d gw %s\n",  in delroute()
2924 		trace(0, "Can not write to rtsock (delroute): %s\n",  in delroute()
3255 		trace(1, "Aggregate: %s/%d for %s\n",  in filterconfig()
3518 trace(int level, const char *fmt, ...)  in trace()  function
3520 trace(level, fmt, va_alist)  in trace()