r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000200)=@newsa={0x154, 0x10, 0x9063c8f45262bcb, 0x0, 0x0, {{@in6=@loopback, @in=@loopback}, {@in=@loopback, 0x0, 0x33}, @in6=@ipv4={'\x00', '\xff\xff', @private}, {}, {}, {}, 0x0, 0x0, 0xa, 0x0, 0xf7}, [@replay_esn_val={0x1c}, @algo_auth={0x48, 0x1, {{'blake2s-256-generic\x00'}}}]}, 0x154}}, 0x0)