r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000002e00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000005c0)=@updsa={0x140, 0x1a, 0x1, 0x0, 0x0, {{@in6=@mcast2, @in6=@private0}, {@in, 0x0, 0x32}, @in6=@mcast2, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_aead={0x50, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0x20, 0x40, "fb561c9e"}}]}, 0x140}}, 0x0)