east:~#
 TZ=GMT export TZ
east:~#
 ipsec spi --clear
east:~#
 ipsec eroute --clear
east:~#
 enckey=0x4043434545464649494a4a4c4c4f4f515152525454575758
east:~#
 authkey=0x87658765876587658765876587658765
east:~#
 ipsec spi --dumpsaref --af inet --edst 192.1.2.45 --spi 0x12345678 --proto esp --src 192.1.2.23 --esp 3des-md5-96 --enckey $enckey --authkey $authkey
/usr/local/libexec/ipsec/spi: saref=1/0
east:~#
 ipsec spi --dumpsaref --af inet --edst 192.1.2.45 --spi 0x12345678 --proto tun --src 192.1.2.23 --dst 192.1.2.45 --ip4
/usr/local/libexec/ipsec/spi: saref=2/0
east:~#
 ipsec setup stop
ipsec_setup: Stopping Libreswan IPsec...
ipsec_setup: stop ordered, but IPsec appears to be already stopped!
ipsec_setup: doing cleanup anyway...
east:~#
 kill `cat /var/run/klogd.pid`; cat /tmp/klog.log
klogd 1.3-3#33.1, log source = /proc/kmsg started.
east:~#
 halt -p -f
System halted.