[PATCH][IPSEC][0/4] fix conflict of device tunnels with the ipsec tunnel

Hello David,

I fixed and reconstruted the patch.

# I understood my mistake. I'm ashamed.

[1/4] changing API of xfrm4_tunnel_register
[2/4] make sit use the xfrm4_tunnel_register
[3/4] changing API of xfrm6_tunnel_register
[4/4] Fix the address family to refer encap_family

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Kazunori Miyazawa