r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000500)=@newsa={0x13c, 0x10, 0x1, 0x0, 0x0, {{@in6=@mcast2, @in6=@private0}, {@in6=@private2, 0x0, 0x2b}, @in=@loopback, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_aead={0x4c, 0x12, {{'rfc4106-gcm-aesni\x00'}}}]}, 0x13c}}, 0x0)