r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000002e00)={0x0, 0x0, &(0x7f0000002dc0)={&(0x7f0000000000)=@updsa={0x138, 0x1a, 0x1, 0x0, 0x0, {{@in6=@dev, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee00}, {@in, 0x0, 0x32}, @in=@dev, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x48, 0x1, {{'hmac(sha256)\x00'}}}]}, 0x138}}, 0x0)