Enable netfilter settings for Kubernetes

Change-Id: I419fc6f639861b0ada005be2e6a2de2c31a27f0f
diff --git a/debian/defconfig b/debian/defconfig
index 8f7e892..477f278 100644
--- a/debian/defconfig
+++ b/debian/defconfig
@@ -139,6 +139,7 @@
 CONFIG_NF_TABLES_ARP=y
 CONFIG_IP_VS=m
 CONFIG_NETFILTER_XT_MATCH_IPVS=m
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
 CONFIG_EXT4_FS_SECURITY=y
 
 CONFIG_IIO=m