diff --git a/linaro/configs/ubuntu-minimal.conf b/linaro/configs/ubuntu-minimal.conf
index 330adcfd2678..cb77d3995eba 100644
--- a/linaro/configs/ubuntu-minimal.conf
+++ b/linaro/configs/ubuntu-minimal.conf
@@ -7,8 +7,13 @@ CONFIG_CC_STACKPROTECTOR=y
 CONFIG_SYN_COOKIES=y
 CONFIG_IPV6=y
 CONFIG_NETLABEL=y
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_NAT_IPV4=m
 CONFIG_IP_NF_IPTABLES=m
 CONFIG_IP_NF_FILTER=m
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_NAT_IPV6=m
 CONFIG_IP6_NF_IPTABLES=m
 CONFIG_IP6_NF_FILTER=m
 CONFIG_DEVTMPFS=y