248 39.552283 fe80::224:8cff:fe1d:d43 :: ICMPv6 Neighbor solicitation for 2001:44b8:7222:a50::3 from 00:24:8c:1d:0d:43
Note the address of "::" as the destination, which is likely caused by the routing trying to send packets to the gateway (which is all zero, as this is just a link-local address).
It's obvious that I need to add some checks for destinations which are uniquely identifiable (eg, FF02::n). Perhaps an "if multicast, don't sub in a gateway" check?
===== HTTP Booting =====
==== Successful hit to an IPv6 HTTP server ====
7259 1153.200683 2001:44b8:7222:a50::3 fe80::224:8cff:fe1d:d43 TCP search-agent > 11327 [PSH, ACK] Seq=1443212282 Ack=60851570 Win=14280 Len=493 TSV=1479476 TSER=130305
HTTP/1.1 404 Not Found
Date: Mon, 30 May 2011 10:12:21 GMT
Server: Apache/2.2.17 (Ubuntu)
Vary: Accept-Encoding
Content-Length: 290
Connection: close
Content-Type: text/html; charset=iso-8859-1
404 Not Found
Not Found
The requested URL /test.bin was not found on this server.
Apache/2.2.17 (Ubuntu) Server at 2001:44b8:7222:a50: Port 3
Successful HTTP request (even though it ended in a 404) to an IPv6 HTTP server from one of my test machines.
Still need to do a fair bit of work on getting NDP working nicely and trying to avoid using a link-local address for all network access.