1esp from 1.1.1.1 to 2.2.2.2 spi 0xdeadbeef \ 2 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 3 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 4esp from 2.2.2.2 to 1.1.1.1 spi 0xbeefdead \ 5 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 6 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 7