r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000003c0)=@updsa={0x13c, 0x1a, 0x1, 0x0, 0x0, {{@in6=@private0, @in=@remote}, {@in, 0x0, 0x33}, @in6=@private0, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth_trunc={0x4c, 0x14, {{'sha256-generic\x00'}}}]}, 0x13c}}, 0x0)