KAME rtsold.c 1.28
watch routing socket, and check for pcmcia card removal.
if pcmcia card gets removed, bring the interface state into IFS_DOWN.
KAME rtsold.c 1.29
changed the timeout period after sending MAX_RTR_SOLICITATIONS solicitation
from RTR_SOLICITATION_INTERVAL to MAX_RTR_SOLICITATION_DELAY according to
the last paragraph of RFC 2461 Section 6.3.7.
in response to a comment from Pekka Savola <pekkas@netcore.fi>
