(RaspberryPi2)ubuntu@localhost:~$ lsmod
Module                  Size  Used by
xt_nat                 16384  2 
xt_tcpudp              16384  6 
xt_addrtype            16384  2 
xt_conntrack           16384  1 
ipt_MASQUERADE         16384  3 
nf_nat_masquerade_ipv4    16384  1 ipt_MASQUERADE
iptable_nat            16384  1 
nf_conntrack_ipv4      20480  2 
nf_defrag_ipv4         16384  1 nf_conntrack_ipv4
nf_nat_ipv4            16384  1 iptable_nat
iptable_filter         16384  1 
ip_tables              24576  2 iptable_filter,iptable_nat
x_tables               20480  7 ip_tables,xt_tcpudp,ipt_MASQUERADE,xt_conntrack,xt_nat,iptable_filter,xt_addrtype
nf_nat                 20480  3 nf_nat_ipv4,xt_nat,nf_nat_masquerade_ipv4
nf_conntrack           81920  5 nf_nat,nf_nat_ipv4,xt_conntrack,nf_nat_masquerade_ipv4,nf_conntrack_ipv4
bridge                 98304  0 
aufs                  204800  731 
uio_pdrv_genirq        16384  0 
uio                    20480  1 uio_pdrv_genirq