ip_set module not loading into CentOS 6.5

modinfo-ip_set

[root]# modinfo ip_set
filename:       /lib/modules/2.6.32-431.23.3.el6.x86_64/kernel/net/netfilter/ipset/ip_set.ko
alias:          nfnetlink-subsys-6
description:    core IP set support
author:         Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
license:        GPL
srcversion:     3EDD1B73D424DDE6D909F01
depends:        nfnetlink
vermagic:       2.6.32-431.23.3.el6.x86_64 SMP mod_unload modversions 
parm:           max_sets:maximal number of sets (int)

From April of 2014:
filename:       /lib/modules/2.6.32-431.5.1.el6.x86_64/kernel/net/netfilter/ipset/ip_set.ko
alias:          nfnetlink-subsys-6
description:    core IP set support
author:         Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
license:        GPL
srcversion:     3EDD1B73D424DDE6D909F01
depends:        nfnetlink
vermagic:       2.6.32-431.5.1.el6.x86_64 SMP mod_unload modversions 
parm:           max_sets:maximal number of sets (int)


CentOS 6.5 64bit ipset-6.11-1.el6

So i wonder if i need to load all of the following modules that i actually use or just ip_set. 
[root@pc232 modprobe.d]# modprobe -l | grep ip_set
kernel/net/netfilter/ipset/ip_set.ko
kernel/net/netfilter/ipset/ip_set_bitmap_ip.ko
kernel/net/netfilter/ipset/ip_set_bitmap_ipmac.ko
kernel/net/netfilter/ipset/ip_set_bitmap_port.ko
kernel/net/netfilter/ipset/ip_set_hash_ip.ko
kernel/net/netfilter/ipset/ip_set_hash_ipport.ko
kernel/net/netfilter/ipset/ip_set_hash_ipportip.ko
kernel/net/netfilter/ipset/ip_set_hash_ipportnet.ko
kernel/net/netfilter/ipset/ip_set_hash_net.ko
kernel/net/netfilter/ipset/ip_set_hash_netport.ko
kernel/net/netfilter/ipset/ip_set_list_set.ko

dracut.conf also has a place to load modules into the initramfs

i created /etc/modprobe.d/ipset.conf and inserted 'install ip_set' which resulted in
iptables: Applying firewall rules: WARNING: /etc/modprobe.d/ipset.conf line 21: ignoring bad line starting with 'install'

simply putting ip_set in /etc/modprobe.d/ipset.conf
ip6tables: Applying firewall rules: WARNING: /etc/modprobe.d/ipset.conf line 22: ignoring bad line starting with 'ip_set'
iptables: Applying firewall rules: WARNING: /etc/modprobe.d/ipset.conf line 22: ignoring bad line starting with 'ip_set'

modprobe ip_set:
ip6tables: Applying firewall rules: WARNING: /etc/modprobe.d/ipset.conf line 23: ignoring bad line starting with 'modprobe'
iptables: Applying firewall rules: WARNING: /etc/modprobe.d/ipset.conf line 23: ignoring bad line starting with 'modprobe'