diff -Naur libreswan-4.3-orig/configs/ipsec.conf.in libreswan-4.3/configs/ipsec.conf.in
--- libreswan-4.3-orig/configs/ipsec.conf.in	2021-03-04 14:29:50.591912834 -0500
+++ libreswan-4.3/configs/ipsec.conf.in	2021-03-04 14:30:27.227389433 -0500
@@ -32,6 +32,7 @@
 	# listen-tcp=yes
 	# To enable IKE and IPsec over TCP for VPN client, also specify
 	# tcp-remote-port=4500 in the client's conn section.
+	virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:25.0.0.0/8,%v4:100.64.0.0/10,%v6:fd00::/8,%v6:fe80::/10
 
 # if it exists, include system wide crypto-policy defaults
 # include /etc/crypto-policies/back-ends/libreswan.config