Use net.inet6.ip6.redirect / ip6_sendredirects as part of the decision to generate icmp6 redirects. Now it is possible to switch redirects off.
Use net.inet6.ip6.redirect / ip6_sendredirects as part of the decision
to generate icmp6 redirects. Now it is possible to switch redirects off.

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase