mcr/tcpdump — pull request #4 by infrastation (2011-12-29 16:52:55+00:00)
Title: ND_OPT_ADVINTERVAL is in milliseconds, not seconds

RFC 6275 7.3. New Advertisement Interval Option Format

Advertisement Interval

32-bit unsigned integer. The maximum time, in milliseconds,
between successive unsolicited Router Advertisement messages sent
by this router on this network interface.