r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000340)=@updsa={0x138, 0x16, 0x1, 0x0, 0x0, {{@in6=@private0, @in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, {@in, 0x0, 0x6c}, @in6=@mcast2}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}}, 0x0)