r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000002dc0)={&(0x7f00000001c0)=@updsa={0x138, 0x10, 0x1, 0x0, 0x0, {{@in=@multicast2, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee01}, {@in=@multicast2, 0x0, 0x32}, @in=@private, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x48, 0x1, {{'poly1305-generic\x00'}}}]}, 0x138}}, 0x0)