r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000080)=@newsa={0x15c, 0x10, 0x9063c8f45262bcb, 0x0, 0x0, {{@in6=@private1, @in=@loopback}, {@in6=@mcast1, 0x0, 0x33}, @in6=@mcast1, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x69, 0x1, {{'cmac(aes)\x00'}, 0x108, "3c5dfa6b44580a10723498887adb7b7e88e2316be923faf7dce2e7fb45baa84af1"}}]}, 0x15c}}, 0x0)