r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=@updsa={0x138, 0x1a, 0x1, 0x0, 0x0, {{@in6=@private0, @in6=@private0}, {@in=@multicast2, 0xfffffffd, 0x6c}, @in6=@mcast2, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}}, 0x0)