~ $ ls /lib/modules/current/ip*ko
/lib/modules/current/ip6_tables.ko
/lib/modules/current/ip6t_LOG.ko
/lib/modules/current/ip6table_filter.ko
/lib/modules/current/ip_gre.ko
/lib/modules/current/ip_tables.ko
/lib/modules/current/ipcomp.ko
/lib/modules/current/ipcomp6.ko
/lib/modules/current/iphb.ko
/lib/modules/current/ipip.ko
/lib/modules/current/ipt_LOG.ko
/lib/modules/current/ipt_MASQUERADE.ko
/lib/modules/current/ipt_NETMAP.ko
/lib/modules/current/ipt_REDIRECT.ko
/lib/modules/current/ipt_REJECT.ko
/lib/modules/current/iptable_filter.ko
/lib/modules/current/iptable_mangle.ko
/lib/modules/current/iptable_nat.ko
/lib/modules/current/ipv6.ko