test-sipgw1:/usr/src/openswan-2.2.0# ipsec setup --start
ipsec_setup: Starting Openswan IPsec 2.2.0...
ipsec_setup: insmod: can't read 'ipsec': No such file or directory
ipsec_setup: FATAL: Module af_key not found.
ipsec_setup: calcgoo: warning: 2.6 kernel with kallsyms not supported yet
ipsec_setup: FATAL: Module ipsec not found.
ipsec_setup: kernel appears to lack KLIPS
test-sipgw1:/usr/src/openswan-2.2.0#