to be friendly with NRL/bsdi4 code (which uses non-conformant one).
* kame/kame/rtadvd: introduced some improvements and new features mainly for auto router renumbering (RR): - joined all-routers site-local multicast group when RR is enabled, and made the receiving interface configurable via a new command line option "-M". - fixed many bugs in handling RR messages. - supported lifetimes that decrement in real time, and will expire at a specified time in the future. 3 new parameters for rtadvd.conf were introduced to handle such lifetimes. See rtadvd.conf(5).
decrement in real time.
…ip6q. this is to avoid frag6_drain from modifying reass queue from within MGET() calls. matters only if we have heavy mbuf load, not sure if it constitutes real problem or not.
after sentence will not be correct).
if we got a transport-mode SA. need to do more for "any" SA. DO NOT MERGE IT TO *BSD YET.