testing: Converted libipsec/host2host-cert to swanctl

testing/tests/libipsec/host2host-cert/pretest.dat

@@ -2,8 +2,8 @@ moon::sysctl -w net.ipv4.conf.all.rp_filter=2
 sun::sysctl -w net.ipv4.conf.all.rp_filter=2
 moon::iptables-restore < /etc/iptables.rules
 sun::iptables-restore < /etc/iptables.rules
-sun::ipsec start
-moon::ipsec start
+moon::systemctl start strongswan-swanctl
+sun::systemctl start strongswan-swanctl
 sun::expect-connection host-host
 moon::expect-connection host-host
-moon::ipsec up host-host
+moon::swanctl --initiate --child host-host 2> /dev/null