r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000000)=@newsa={0x154, 0x10, 0x9063c8f45262bcb, 0x0, 0x0, {{@in6=@private1, @in=@loopback}, {@in=@multicast2, 0x0, 0x33}, @in6=@mcast1, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x48, 0x1, {{'cmac(aes)\x00'}}}, @encap={0x1c, 0x4, {0x0, 0x0, 0x0, @in6=@local}}]}, 0x154}}, 0x0)